drivers: ttc: added support for Zynq Ultrascale MP
This patch deprecates older version 2_0 and adds new major version 3_0 for Zynq Ultrascale MP support Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>
This commit is contained in:
Kinjal Pravinbhai Patel
Suneel Garapati
parent
f91b0e890d
commit
055fab1b3a
14 changed files with 3453 additions and 0 deletions
42
XilinxProcessorIPLib/drivers/ttcps/data/ttcps.mdd
Executable file
42
XilinxProcessorIPLib/drivers/ttcps/data/ttcps.mdd
Executable file
|
|
@ -0,0 +1,42 @@
|
|||
###############################################################################
|
||||
#
|
||||
# Copyright (C) 2011 - 2014 Xilinx, Inc. All rights reserved.
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# Use of the Software is limited solely to applications:
|
||||
# (a) running on a Xilinx device, or
|
||||
# (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
# SOFTWARE.
|
||||
#
|
||||
# Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
# in advertising or otherwise to promote the sale, use or other dealings in
|
||||
# this Software without prior written authorization from Xilinx.
|
||||
#
|
||||
###############################################################################
|
||||
OPTION psf_version = 2.1;
|
||||
|
||||
BEGIN driver ttcps
|
||||
|
||||
OPTION supported_peripherals = (ps7_ttc, ps8_ttc, pss_ttc);
|
||||
OPTION driver_state = ACTIVE;
|
||||
OPTION copyfiles = all;
|
||||
OPTION VERSION = 3.0;
|
||||
OPTION NAME = ttcps;
|
||||
|
||||
END driver
|
||||
287
XilinxProcessorIPLib/drivers/ttcps/data/ttcps.tcl
Executable file
287
XilinxProcessorIPLib/drivers/ttcps/data/ttcps.tcl
Executable file
|
|
@ -0,0 +1,287 @@
|
|||
###############################################################################
|
||||
#
|
||||
# Copyright (C) 2012 - 2014 Xilinx, Inc. All rights reserved.
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# Use of the Software is limited solely to applications:
|
||||
# (a) running on a Xilinx device, or
|
||||
# (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
# SOFTWARE.
|
||||
#
|
||||
# Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
# in advertising or otherwise to promote the sale, use or other dealings in
|
||||
# this Software without prior written authorization from Xilinx.
|
||||
#
|
||||
###############################################################################
|
||||
#
|
||||
# Modification History
|
||||
#
|
||||
# Ver Who Date Changes
|
||||
# ----- ---- -------- -----------------------------------------------
|
||||
# 1.00a sdm 01/20/12 Initialize release
|
||||
# 2.0 adk 12/10/13 Updated as per the New Tcl API's
|
||||
#
|
||||
##############################################################################
|
||||
#uses "xillib.tcl"
|
||||
|
||||
proc generate {drv_handle} {
|
||||
xdefine_include_file $drv_handle "xparameters.h" "XTtcPs" "NUM_INSTANCES" "DEVICE_ID" "C_S_AXI_BASEADDR" "C_TTC_CLK_FREQ_HZ" "C_TTC_CLK_CLKSRC"
|
||||
xdefine_config_file $drv_handle "xttcps_g.c" "XTtcPs" "DEVICE_ID" "C_S_AXI_BASEADDR" "C_TTC_CLK_FREQ_HZ"
|
||||
|
||||
xdefine_canonical_xpars $drv_handle "xparameters.h" "XTtcPs" "DEVICE_ID" "C_S_AXI_BASEADDR" "C_TTC_CLK_FREQ_HZ" "C_TTC_CLK_CLKSRC"
|
||||
}
|
||||
|
||||
|
||||
proc xdefine_include_file {drv_handle file_name drv_string args} {
|
||||
# Open include file
|
||||
set file_handle [::hsm::utils::open_include_file $file_name]
|
||||
|
||||
# Get all peripherals connected to this driver
|
||||
set periphs [::hsm::utils::get_common_driver_ips $drv_handle]
|
||||
|
||||
# Handle special cases
|
||||
set arg "NUM_INSTANCES"
|
||||
set posn [lsearch -exact $args $arg]
|
||||
if {$posn > -1} {
|
||||
puts $file_handle "/* Definitions for driver [string toupper [get_property NAME $drv_handle]] */"
|
||||
# Define NUM_INSTANCES
|
||||
puts $file_handle "#define [::hsm::utils::get_driver_param_name $drv_string $arg] [expr [llength $periphs] * 3]"
|
||||
set args [lreplace $args $posn $posn]
|
||||
}
|
||||
# Check if it is a driver parameter
|
||||
|
||||
lappend newargs
|
||||
foreach arg $args {
|
||||
set value [get_property CONFIG.$arg $drv_handle]
|
||||
if {[llength $value] == 0} {
|
||||
lappend newargs $arg
|
||||
} else {
|
||||
puts $file_handle "#define [::hsm::utils::get_driver_param_name $drv_string $arg] [get_property CONFIG.$arg $drv_handle]"
|
||||
}
|
||||
}
|
||||
set args $newargs
|
||||
|
||||
# Print all parameters for all peripherals
|
||||
set device_id 0
|
||||
foreach periph $periphs {
|
||||
puts $file_handle ""
|
||||
puts $file_handle "/* Definitions for peripheral [string toupper [get_property NAME $periph]] */"
|
||||
for {set x 0} {$x<3} {incr x} {
|
||||
foreach arg $args {
|
||||
if {[string compare -nocase "DEVICE_ID" $arg] == 0} {
|
||||
set value [expr $device_id * 3 + $x]
|
||||
} elseif {[string compare -nocase "C_TTC_CLK_CLKSRC" $arg] == 0} {
|
||||
set value [::hsm::utils::get_param_value $periph [format "C_TTC_CLK%d_CLKSRC" $x]]
|
||||
} elseif {[string compare -nocase "C_TTC_CLK_FREQ_HZ" $arg] == 0} {
|
||||
set value [::hsm::utils::get_param_value $periph [format "C_TTC_CLK%d_FREQ_HZ" $x]]
|
||||
} else {
|
||||
set value [::hsm::utils::get_param_value $periph $arg]
|
||||
}
|
||||
if {[llength $value] == 0} {
|
||||
set value 0
|
||||
}
|
||||
set value [::hsm::utils::format_addr_string $value $arg]
|
||||
if {[string match C_* $arg]} {
|
||||
set arg_name [string range $arg 2 end]
|
||||
} else {
|
||||
set arg_name $arg
|
||||
}
|
||||
set arg_name [format "XPAR_%s_%d_%s" [string toupper [string range [get_property NAME $periph] 0 end-2]] [expr $device_id * 3 + $x] $arg_name]
|
||||
regsub "S_AXI_" $arg_name "" arg_name
|
||||
if {[string compare -nocase "C_S_AXI_BASEADDR" $arg] == 0} {
|
||||
puts $file_handle "#define $arg_name [string toupper [format 0x%08x [expr $value + $x * 4]]]"
|
||||
} else {
|
||||
puts $file_handle "#define $arg_name $value"
|
||||
}
|
||||
}
|
||||
}
|
||||
incr device_id
|
||||
puts $file_handle ""
|
||||
}
|
||||
puts $file_handle "\n/******************************************************************/\n"
|
||||
close $file_handle
|
||||
}
|
||||
|
||||
|
||||
#
|
||||
# Create configuration C file as required by Xilinx drivers
|
||||
#
|
||||
proc xdefine_config_file {drv_handle file_name drv_string args} {
|
||||
set filename [file join "src" $file_name]
|
||||
file delete $filename
|
||||
set config_file [open $filename w]
|
||||
::hsm::utils::write_c_header $config_file "Driver configuration"
|
||||
puts $config_file "#include \"xparameters.h\""
|
||||
puts $config_file "#include \"[string tolower $drv_string].h\""
|
||||
puts $config_file "\n/*"
|
||||
puts $config_file "* The configuration table for devices"
|
||||
puts $config_file "*/\n"
|
||||
puts $config_file [format "%s_Config %s_ConfigTable\[\] =" $drv_string $drv_string]
|
||||
puts $config_file "\{"
|
||||
set periphs [::hsm::utils::get_common_driver_ips $drv_handle]
|
||||
set start_comma ""
|
||||
set device_id 0
|
||||
foreach periph $periphs {
|
||||
for {set x 0} {$x<3} {incr x} {
|
||||
puts $config_file [format "%s\t\{" $start_comma]
|
||||
set comma ""
|
||||
foreach arg $args {
|
||||
# Check if this is a driver parameter or a peripheral parameter
|
||||
set value [get_property CONFIG.$arg $drv_handle]
|
||||
if {[llength $value] == 0} {
|
||||
set local_value [get_property CONFIG.$arg $periph]
|
||||
# If a parameter isn't found locally (in the current
|
||||
# peripheral), we will (for some obscure and ancient reason)
|
||||
# look in peripherals connected via point to point links
|
||||
if { [string compare -nocase $local_value ""] == 0} {
|
||||
set p2p_name [::hsm::utils::get_p2p_name $periph $arg]
|
||||
if { [string compare -nocase $p2p_name ""] == 0} {
|
||||
if {[string match C_* $arg]} {
|
||||
set arg_name [string range $arg 2 end]
|
||||
} else {
|
||||
set arg_name $arg
|
||||
}
|
||||
set arg_name [format "XPAR_%s_%d_%s" [string toupper [string range [get_property NAME $periph] 0 end-2]] [expr $device_id * 3 + $x] $arg_name]
|
||||
regsub "S_AXI_" $arg_name "" arg_name
|
||||
puts -nonewline $config_file [format "%s\t\t%s" $comma $arg_name]
|
||||
} else {
|
||||
regsub "S_AXI_" $p2p_name "" p2p_name
|
||||
puts -nonewline $config_file [format "%s\t\t%s" $comma $p2p_name]
|
||||
}
|
||||
} else {
|
||||
if {[string match C_* $arg]} {
|
||||
set arg_name [string range $arg 2 end]
|
||||
} else {
|
||||
set arg_name $arg
|
||||
}
|
||||
set arg_name [format "XPAR_%s_%d_%s" [string toupper [string range [get_property NAME $periph] 0 end-2]] [expr $device_id * 3 + $x] $arg_name]
|
||||
regsub "S_AXI_" $arg_name "" arg_name
|
||||
puts -nonewline $config_file [format "%s\t\t%s" $comma $arg_name]
|
||||
}
|
||||
} else {
|
||||
set arg_name [::hsm::utils::get_driver_param_name $drv_string $arg]
|
||||
regsub "S_AXI_" $arg_name "" arg_name
|
||||
puts -nonewline $config_file [format "%s\t\t%s" $comma $arg_name]
|
||||
}
|
||||
set comma ",\n"
|
||||
}
|
||||
puts -nonewline $config_file "\n\t\}"
|
||||
set start_comma ",\n"
|
||||
}
|
||||
incr device_id
|
||||
}
|
||||
puts $config_file "\n\};"
|
||||
|
||||
puts $config_file "\n";
|
||||
|
||||
close $config_file
|
||||
}
|
||||
|
||||
#-----------------------------------------------------------------------------
|
||||
# xdefine_canonical_xpars - Used to print out canonical defines for a driver.
|
||||
# Given a list of arguments, define each as a canonical constant name, using
|
||||
# the driver name, in an include file.
|
||||
#-----------------------------------------------------------------------------
|
||||
proc xdefine_canonical_xpars {drv_handle file_name drv_string args} {
|
||||
# Open include file
|
||||
set file_handle [::hsm::utils::open_include_file $file_name]
|
||||
|
||||
# Get all the peripherals connected to this driver
|
||||
set periphs [::hsm::utils::get_common_driver_ips $drv_handle]
|
||||
|
||||
# Get the names of all the peripherals connected to this driver
|
||||
foreach periph $periphs {
|
||||
set peripheral_name [string toupper [get_property NAME $periph]]
|
||||
lappend peripherals $peripheral_name
|
||||
}
|
||||
|
||||
# Get possible canonical names for all the peripherals connected to this
|
||||
# driver
|
||||
set device_id 0
|
||||
foreach periph $periphs {
|
||||
set canonical_name [string toupper [format "%s_%s" $drv_string $device_id]]
|
||||
lappend canonicals $canonical_name
|
||||
|
||||
# Create a list of IDs of the peripherals whose hardware instance name
|
||||
# doesn't match the canonical name. These IDs can be used later to
|
||||
# generate canonical definitions
|
||||
if { [lsearch $peripherals $canonical_name] < 0 } {
|
||||
lappend indices $device_id
|
||||
lappend indices [expr $device_id + 1]
|
||||
lappend indices [expr $device_id + 2]
|
||||
}
|
||||
incr device_id
|
||||
}
|
||||
|
||||
set i 0
|
||||
set device_id 0
|
||||
foreach periph $periphs {
|
||||
set periph_name [string toupper [get_property NAME $periph]]
|
||||
|
||||
# Generate canonical definitions only for the peripherals whose
|
||||
# canonical name is not the same as hardware instance name
|
||||
if { [lsearch $canonicals $periph_name] < 0 } {
|
||||
puts $file_handle "/* Canonical definitions for peripheral $periph_name */"
|
||||
for {set x 0} {$x<3} {incr x} {
|
||||
set canonical_name [format "%s_%s" $drv_string [lindex $indices $i]]
|
||||
|
||||
foreach arg $args {
|
||||
if {[string match C_* $arg]} {
|
||||
set arg_name [string range $arg 2 end]
|
||||
} else {
|
||||
set arg_name $arg
|
||||
}
|
||||
set lvalue [format "XPAR_%s_%d_%s" [string toupper $drv_string] [expr $device_id * 3 + $x] $arg_name]
|
||||
regsub "S_AXI_" $lvalue "" lvalue
|
||||
|
||||
# The commented out rvalue is the name of the instance-specific constant
|
||||
# set rvalue [::hsm::utils::get_ip_param_name $periph $arg]
|
||||
# The rvalue set below is the actual value of the parameter
|
||||
if {[string compare -nocase "DEVICE_ID" $arg] == 0} {
|
||||
set rvalue [format "XPAR_%s_%d_%s" [string toupper [string range [get_property NAME $periph] 0 end-2]] [expr $device_id * 3 + $x] $arg]
|
||||
} else {
|
||||
if {[string compare -nocase "C_TTC_CLK_CLKSRC" $arg] == 0} {
|
||||
set rvalue [::hsm::utils::get_param_value $periph [format "C_TTC_CLK%d_CLKSRC" $x]]
|
||||
} elseif {[string compare -nocase "C_TTC_CLK_FREQ_HZ" $arg] == 0} {
|
||||
set rvalue [::hsm::utils::get_param_value $periph [format "C_TTC_CLK%d_FREQ_HZ" $x]]
|
||||
} else {
|
||||
set rvalue [::hsm::utils::get_param_value $periph $arg]
|
||||
if {[string compare -nocase "C_S_AXI_BASEADDR" $arg] == 0} {
|
||||
set rvalue [string toupper [format 0x%08x [expr $rvalue + $x * 4]]]
|
||||
}
|
||||
}
|
||||
if {[llength $rvalue] == 0} {
|
||||
set rvalue 0
|
||||
}
|
||||
set rvalue [::hsm::utils::format_addr_string $rvalue $arg]
|
||||
}
|
||||
|
||||
puts $file_handle "#define $lvalue $rvalue"
|
||||
|
||||
}
|
||||
puts $file_handle ""
|
||||
incr i
|
||||
}
|
||||
}
|
||||
incr device_id
|
||||
}
|
||||
|
||||
puts $file_handle "\n/******************************************************************/\n"
|
||||
close $file_handle
|
||||
}
|
||||
19
XilinxProcessorIPLib/drivers/ttcps/examples/index.html
Executable file
19
XilinxProcessorIPLib/drivers/ttcps/examples/index.html
Executable file
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Language" content="en-us">
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
||||
<title>Driver example applications</title>
|
||||
<link rel="stylesheet" type="text/css" href="../help.css">
|
||||
</head>
|
||||
<body bgcolor="#FFFFFF">
|
||||
<h1> Example Applications for the driver ttcps_v2_0 </h1>
|
||||
<HR>
|
||||
<ul>
|
||||
<li>xttcps_low_level_example.c <a href="xttcps_low_level_example.c">(source)</a> </li>
|
||||
<li>xttcps_intr_example.c <a href="xttcps_intr_example.c">(source)</a> </li>
|
||||
<li>xttcps_rtc_example.c <a href="xttcps_rtc_example.c">(source)</a> </li>
|
||||
</ul>
|
||||
<p><font face="Times New Roman" color="#800000">Copyright <20> 1995-2014 Xilinx, Inc. All rights reserved.</font></p>
|
||||
</body>
|
||||
</html>
|
||||
666
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_intr_example.c
Executable file
666
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_intr_example.c
Executable file
|
|
@ -0,0 +1,666 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
* @file xttcps_intr_example.c
|
||||
*
|
||||
* This file contains a example using two timer counters in the Triple Timer
|
||||
* Counter (TTC) module in the Ps block in interrupt mode.
|
||||
*
|
||||
* The example proceeds using interleaving interrupt handling from both
|
||||
* timer counters. One timer counter, Ticker, counts how many interrupts
|
||||
* has occurred to it, and updates a flag for another timer counter upon
|
||||
* a given threshold. Another timer counter, PWM, waits for the flag set
|
||||
* from the Ticker, and increases its duty cycle. When the duty cycle of
|
||||
* PWM reaches 100, the example terminates.
|
||||
*
|
||||
* @note
|
||||
* The example may take seconds to minutes to finish. A small setting of
|
||||
* PWM_DELTA_DUTY gives a long running time, while a large setting makes
|
||||
* the example finishes faster.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ---- ------ -------- ---------------------------------------------
|
||||
* 1.00 drg/jz 01/23/10 First release
|
||||
*</pre>
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "xparameters.h"
|
||||
#include "xstatus.h"
|
||||
#include "xil_exception.h"
|
||||
#include "xttcps.h"
|
||||
#include "xscugic.h"
|
||||
#include "xil_printf.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/*
|
||||
* The following constants map to the XPAR parameters created in the
|
||||
* xparameters.h file. They are only defined here such that a user can easily
|
||||
* change all the needed parameters in one place.
|
||||
*/
|
||||
#define TTC_TICK_DEVICE_ID XPAR_XTTCPS_1_DEVICE_ID
|
||||
#define TTC_TICK_INTR_ID XPAR_XTTCPS_1_INTR
|
||||
|
||||
#define TTC_PWM_DEVICE_ID XPAR_XTTCPS_0_DEVICE_ID
|
||||
#define TTC_PWM_INTR_ID XPAR_XTTCPS_0_INTR
|
||||
#define TTCPS_CLOCK_HZ XPAR_XTTCPS_0_CLOCK_HZ
|
||||
|
||||
#define INTC_DEVICE_ID XPAR_SCUGIC_SINGLE_DEVICE_ID
|
||||
|
||||
/*
|
||||
* Constants to set the basic operating parameters.
|
||||
* PWM_DELTA_DUTY is critical to the running time of the test. Smaller values
|
||||
* make the test run longer.
|
||||
*/
|
||||
#define TICK_TIMER_FREQ_HZ 100 /* Tick timer counter's output frequency */
|
||||
#define PWM_OUT_FREQ 350 /* PWM timer counter's output frequency */
|
||||
|
||||
#define PWM_DELTA_DUTY 50 /* Initial and increment to duty cycle for PWM */
|
||||
#define TICKS_PER_CHANGE_PERIOD TICK_TIMER_FREQ_HZ * 5 /* Tick signals PWM */
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
typedef struct {
|
||||
u32 OutputHz; /* Output frequency */
|
||||
u16 Interval; /* Interval value */
|
||||
u8 Prescaler; /* Prescaler value */
|
||||
u16 Options; /* Option settings */
|
||||
} TmrCntrSetup;
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
static int TmrInterruptExample(void); /* Main test */
|
||||
|
||||
/* Set up routines for timer counters */
|
||||
static int SetupTicker(void);
|
||||
static int SetupPWM(void);
|
||||
static int SetupTimer(int DeviceID);
|
||||
|
||||
/* Interleaved interrupt test for both timer counters */
|
||||
static int WaitForDutyCycleFull(void);
|
||||
|
||||
static int SetupInterruptSystem(u16 IntcDeviceID, XScuGic *IntcInstancePtr);
|
||||
|
||||
static void TickHandler(void *CallBackRef);
|
||||
static void PWMHandler(void *CallBackRef);
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
static XTtcPs TtcPsInst[2]; /* Two timer counters */
|
||||
|
||||
static TmrCntrSetup SettingsTable[2] = {
|
||||
{100, 0, 0, 0}, /* Ticker timer counter initial setup, only output freq */
|
||||
{200, 0, 0, 0}, /* PWM timer counter initial setup, only output freq */
|
||||
};
|
||||
|
||||
XScuGic InterruptController; /* Interrupt controller instance */
|
||||
|
||||
static u32 MatchValue; /* Match value for PWM, set by PWM interrupt handler,
|
||||
updated by main test routine */
|
||||
|
||||
static volatile u32 PWM_UpdateFlag; /* Flag used by Ticker to signal PWM */
|
||||
static volatile u8 ErrorCount; /* Errors seen at interrupt time */
|
||||
static volatile u32 TickCount; /* Ticker interrupts between PWM change */
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function calls the Ttc interrupt example.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return
|
||||
* - XST_SUCCESS to indicate Success
|
||||
* - XST_FAILURE to indicate Failure.
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
*****************************************************************************/
|
||||
int main(void)
|
||||
{
|
||||
int Status;
|
||||
|
||||
xil_printf("TTC Interrupt Example Test\r\n");
|
||||
|
||||
Status = TmrInterruptExample();
|
||||
if (Status != XST_SUCCESS) {
|
||||
xil_printf("TTC Interrupt Example Test Failed\r\n");
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
xil_printf("Successfully ran TTC Interrupt Example Test\r\n");
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up the interrupt example.
|
||||
*
|
||||
* @param None.
|
||||
*
|
||||
* @return
|
||||
* - XST_SUCCESS to indicate Success
|
||||
* - XST_FAILURE to indicate Failure.
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
****************************************************************************/
|
||||
static int TmrInterruptExample(void)
|
||||
{
|
||||
int Status;
|
||||
|
||||
/*
|
||||
* Make sure the interrupts are disabled, in case this is being run
|
||||
* again after a failure.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Connect the Intc to the interrupt subsystem such that interrupts can
|
||||
* occur. This function is application specific.
|
||||
*/
|
||||
Status = SetupInterruptSystem(INTC_DEVICE_ID, &InterruptController);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up the Ticker timer
|
||||
*/
|
||||
Status = SetupTicker();
|
||||
if (Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up the PWM timer
|
||||
*/
|
||||
Status = SetupPWM();
|
||||
if (Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable interrupts
|
||||
*/
|
||||
|
||||
Status = WaitForDutyCycleFull();
|
||||
if (Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stop the counters
|
||||
*/
|
||||
XTtcPs_Stop(&(TtcPsInst[TTC_TICK_DEVICE_ID]));
|
||||
|
||||
XTtcPs_Stop(&(TtcPsInst[TTC_PWM_DEVICE_ID]));
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up the Ticker timer.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS if everything sets up well, XST_FAILURE otherwise.
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
*****************************************************************************/
|
||||
int SetupTicker(void)
|
||||
{
|
||||
int Status;
|
||||
TmrCntrSetup *TimerSetup;
|
||||
XTtcPs *TtcPsTick;
|
||||
|
||||
TimerSetup = &(SettingsTable[TTC_TICK_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Set up appropriate options for Ticker: interval mode without
|
||||
* waveform output.
|
||||
*/
|
||||
TimerSetup->Options |= (XTTCPS_OPTION_INTERVAL_MODE |
|
||||
XTTCPS_OPTION_WAVE_DISABLE);
|
||||
|
||||
/*
|
||||
* Calling the timer setup routine
|
||||
* . initialize device
|
||||
* . set options
|
||||
*/
|
||||
Status = SetupTimer(TTC_TICK_DEVICE_ID);
|
||||
if(Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
TtcPsTick = &(TtcPsInst[TTC_TICK_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Connect to the interrupt controller
|
||||
*/
|
||||
Status = XScuGic_Connect(&InterruptController, TTC_TICK_INTR_ID,
|
||||
(Xil_ExceptionHandler)TickHandler, (void *)TtcPsTick);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable the interrupt for the Timer counter
|
||||
*/
|
||||
XScuGic_Enable(&InterruptController, TTC_TICK_INTR_ID);
|
||||
|
||||
/*
|
||||
* Enable the interrupts for the tick timer/counter
|
||||
* We only care about the interval timeout.
|
||||
*/
|
||||
XTtcPs_EnableInterrupts(TtcPsTick, XTTCPS_IXR_INTERVAL_MASK);
|
||||
|
||||
/*
|
||||
* Start the tick timer/counter
|
||||
*/
|
||||
XTtcPs_Start(TtcPsTick);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up the waveform output timer counter (PWM).
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS if everything sets up well, XST_FAILURE otherwise.
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
*****************************************************************************/
|
||||
int SetupPWM(void)
|
||||
{
|
||||
int Status;
|
||||
TmrCntrSetup *TimerSetup;
|
||||
XTtcPs *TtcPsPWM;
|
||||
|
||||
TimerSetup = &(SettingsTable[TTC_PWM_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Set up appropriate options for PWM: interval mode and
|
||||
* match mode for waveform output.
|
||||
*/
|
||||
TimerSetup->Options |= (XTTCPS_OPTION_INTERVAL_MODE |
|
||||
XTTCPS_OPTION_MATCH_MODE);
|
||||
|
||||
/*
|
||||
* Calling the timer setup routine
|
||||
* initialize device
|
||||
* set options
|
||||
*/
|
||||
Status = SetupTimer(TTC_PWM_DEVICE_ID);
|
||||
if(Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
TtcPsPWM = &(TtcPsInst[TTC_PWM_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Connect to the interrupt controller
|
||||
*/
|
||||
Status = XScuGic_Connect(&InterruptController, TTC_PWM_INTR_ID,
|
||||
(Xil_ExceptionHandler)PWMHandler, (void *)&MatchValue);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable the interrupt for the Timer counter
|
||||
*/
|
||||
XScuGic_Enable(&InterruptController, TTC_PWM_INTR_ID);
|
||||
|
||||
/*
|
||||
* Enable the interrupts for the tick timer/counter
|
||||
* We only care about the interval timeout.
|
||||
*/
|
||||
XTtcPs_EnableInterrupts(TtcPsPWM, XTTCPS_IXR_INTERVAL_MASK);
|
||||
|
||||
/*
|
||||
* Start the tick timer/counter
|
||||
*/
|
||||
XTtcPs_Start(TtcPsPWM);
|
||||
|
||||
return Status;
|
||||
}
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function uses the interrupt inter-locking between the ticker timer
|
||||
* counter and the waveform output timer counter. When certain amount of
|
||||
* interrupts have happened to the ticker timer counter, a flag, PWM_UpdateFlag,
|
||||
* is set to true.
|
||||
*
|
||||
* When PWM_UpdateFlag for the waveform timer counter is true, the duty
|
||||
* cycle for PWM timer counter is increased by PWM_DELTA_DUTY.
|
||||
* The function exits successfully when the duty cycle for PWM timer
|
||||
* counter reaches beyond 100.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS if duty cycle successfully reaches beyond 100,
|
||||
* otherwise, XST_FAILURE.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int WaitForDutyCycleFull(void)
|
||||
{
|
||||
TmrCntrSetup *TimerSetup;
|
||||
u8 DutyCycle; /* The current output duty cycle */
|
||||
XTtcPs *TtcPs_PWM; /* Pointer to the instance structure */
|
||||
|
||||
TimerSetup = &(SettingsTable[TTC_PWM_DEVICE_ID]);
|
||||
TtcPs_PWM = &(TtcPsInst[TTC_PWM_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Initialize some variables used by the interrupts and in loops.
|
||||
*/
|
||||
DutyCycle = PWM_DELTA_DUTY;
|
||||
PWM_UpdateFlag = TRUE;
|
||||
ErrorCount = 0;
|
||||
|
||||
/*
|
||||
* Loop until 100% duty cycle in the PWM output.
|
||||
*/
|
||||
while (DutyCycle <= 100) {
|
||||
|
||||
/*
|
||||
* If error occurs, disable interrupts, and exit.
|
||||
*/
|
||||
if (0 != ErrorCount) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* The Ticker interrupt sets a flag for PWM to update its duty
|
||||
* cycle.
|
||||
*/
|
||||
if (PWM_UpdateFlag) {
|
||||
/* Calculate the new register setting here, not at the
|
||||
* time critical interrupt level.
|
||||
*/
|
||||
MatchValue = (TimerSetup->Interval * DutyCycle) / 100;
|
||||
|
||||
/*
|
||||
* Change the PWM duty cycle
|
||||
*/
|
||||
DutyCycle += PWM_DELTA_DUTY;
|
||||
|
||||
/*
|
||||
* Enable the PWM Interval interrupt
|
||||
*/
|
||||
XTtcPs_EnableInterrupts(TtcPs_PWM,
|
||||
XTTCPS_IXR_INTERVAL_MASK);
|
||||
|
||||
PWM_UpdateFlag = FALSE;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up a timer counter device, using the information in its
|
||||
* setup structure.
|
||||
* . initialize device
|
||||
* . set options
|
||||
* . set interval and prescaler value for given output frequency.
|
||||
*
|
||||
* @param DeviceID is the unique ID for the device.
|
||||
*
|
||||
* @return XST_SUCCESS if successful, otherwise XST_FAILURE.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int SetupTimer(int DeviceID)
|
||||
{
|
||||
int Status;
|
||||
XTtcPs_Config *Config;
|
||||
XTtcPs *Timer;
|
||||
TmrCntrSetup *TimerSetup;
|
||||
|
||||
TimerSetup = &SettingsTable[DeviceID];
|
||||
|
||||
Timer = &(TtcPsInst[DeviceID]);
|
||||
/*
|
||||
* Stop the timer first
|
||||
*/
|
||||
XTtcPs_Stop(Timer);
|
||||
|
||||
/*
|
||||
* Look up the configuration based on the device identifier
|
||||
*/
|
||||
Config = XTtcPs_LookupConfig(DeviceID);
|
||||
if (NULL == Config) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize the device
|
||||
*/
|
||||
Status = XTtcPs_CfgInitialize(Timer, Config, Config->BaseAddress);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the options
|
||||
*/
|
||||
XTtcPs_SetOptions(Timer, TimerSetup->Options);
|
||||
|
||||
/*
|
||||
* Timer frequency is preset in the TimerSetup structure,
|
||||
* however, the value is not reflected in its other fields, such as
|
||||
* IntervalValue and PrescalerValue. The following call will map the
|
||||
* frequency to the interval and prescaler values.
|
||||
*/
|
||||
XTtcPs_CalcIntervalFromFreq(Timer, TimerSetup->OutputHz,
|
||||
&(TimerSetup->Interval), &(TimerSetup->Prescaler));
|
||||
|
||||
/*
|
||||
* Set the interval and prescale
|
||||
*/
|
||||
XTtcPs_SetInterval(Timer, TimerSetup->Interval);
|
||||
XTtcPs_SetPrescaler(Timer, TimerSetup->Prescaler);
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function setups the interrupt system such that interrupts can occur.
|
||||
* This function is application specific since the actual system may or may not
|
||||
* have an interrupt controller. The TTC could be directly connected to a
|
||||
* processor without an interrupt controller. The user should modify this
|
||||
* function to fit the application.
|
||||
*
|
||||
* @param IntcDeviceID is the unique ID of the interrupt controller
|
||||
* @param IntcInstacePtr is a pointer to the interrupt controller
|
||||
* instance.
|
||||
*
|
||||
* @return XST_SUCCESS if successful, otherwise XST_FAILURE.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
static int SetupInterruptSystem(u16 IntcDeviceID,
|
||||
XScuGic *IntcInstancePtr)
|
||||
{
|
||||
int Status;
|
||||
XScuGic_Config *IntcConfig; /* The configuration parameters of the
|
||||
interrupt controller */
|
||||
|
||||
/*
|
||||
* Initialize the interrupt controller driver
|
||||
*/
|
||||
IntcConfig = XScuGic_LookupConfig(IntcDeviceID);
|
||||
if (NULL == IntcConfig) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
Status = XScuGic_CfgInitialize(IntcInstancePtr, IntcConfig,
|
||||
IntcConfig->CpuBaseAddress);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Connect the interrupt controller interrupt handler to the hardware
|
||||
* interrupt handling logic in the ARM processor.
|
||||
*/
|
||||
Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT,
|
||||
(Xil_ExceptionHandler) XScuGic_InterruptHandler,
|
||||
IntcInstancePtr);
|
||||
|
||||
/*
|
||||
* Enable interrupts in the ARM
|
||||
*/
|
||||
Xil_ExceptionEnable();
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is the handler which handles the periodic tick interrupt.
|
||||
* It updates its count, and set a flag to signal PWM timer counter to
|
||||
* update its duty cycle.
|
||||
*
|
||||
* This handler provides an example of how to handle data for the TTC and
|
||||
* is application specific.
|
||||
*
|
||||
* @param CallBackRef contains a callback reference from the driver, in
|
||||
* this case it is the instance pointer for the TTC driver.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
static void TickHandler(void *CallBackRef)
|
||||
{
|
||||
u32 StatusEvent;
|
||||
|
||||
/*
|
||||
* Read the interrupt status, then write it back to clear the interrupt.
|
||||
*/
|
||||
StatusEvent = XTtcPs_GetInterruptStatus((XTtcPs *)CallBackRef);
|
||||
XTtcPs_ClearInterruptStatus((XTtcPs *)CallBackRef, StatusEvent);
|
||||
|
||||
if (0 != (XTTCPS_IXR_INTERVAL_MASK & StatusEvent)) {
|
||||
TickCount++;
|
||||
|
||||
if (TICKS_PER_CHANGE_PERIOD == TickCount) {
|
||||
TickCount = 0;
|
||||
PWM_UpdateFlag = TRUE;
|
||||
}
|
||||
|
||||
}
|
||||
else {
|
||||
/*
|
||||
* The Interval event should be the only one enabled. If it is
|
||||
* not it is an error
|
||||
*/
|
||||
ErrorCount++;
|
||||
}
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is the handler which handles the PWM interrupt.
|
||||
*
|
||||
* It updates the match register to reflect the change on duty cycle. It also
|
||||
* disable interrupt at the end. The interrupt will be enabled by the Ticker
|
||||
* timer counter.
|
||||
*
|
||||
* @param CallBackRef contains a callback reference from the driver, in
|
||||
* this case it is a pointer to the MatchValue variable.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
static void PWMHandler(void *CallBackRef)
|
||||
{
|
||||
u32 *MatchReg;
|
||||
u32 StatusEvent;
|
||||
XTtcPs *Timer;
|
||||
|
||||
MatchReg = (u32 *) CallBackRef;
|
||||
Timer = &(TtcPsInst[TTC_PWM_DEVICE_ID]);
|
||||
|
||||
/*
|
||||
* Read the interrupt status, then write it back to clear the interrupt.
|
||||
*/
|
||||
StatusEvent = XTtcPs_GetInterruptStatus(Timer);
|
||||
XTtcPs_ClearInterruptStatus(Timer, StatusEvent);
|
||||
|
||||
if (0 != (XTTCPS_IXR_INTERVAL_MASK & StatusEvent)) {
|
||||
XTtcPs_SetMatchValue(Timer, 0, *MatchReg);
|
||||
}
|
||||
else {
|
||||
/*
|
||||
* If it is not Interval event, it is an error.
|
||||
*/
|
||||
ErrorCount++;
|
||||
}
|
||||
|
||||
XTtcPs_DisableInterrupts(Timer, XTTCPS_IXR_ALL_MASK);
|
||||
}
|
||||
324
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_low_level_example.c
Executable file
324
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_low_level_example.c
Executable file
|
|
@ -0,0 +1,324 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
* @file xttcps_low_level_example.c
|
||||
*
|
||||
* This file contains a design example using the Triple Timer Counter hardware
|
||||
* and driver in polled mode.
|
||||
*
|
||||
* The example generates a square wave output on the waveform out pin.
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* None
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ---- ------ -------- ---------------------------------------------
|
||||
* 1.00 drg/jz 01/23/10 First release
|
||||
*</pre>
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xparameters.h"
|
||||
#include "xstatus.h"
|
||||
#include "xttcps.h"
|
||||
#include "xil_printf.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/*
|
||||
* The following constants map to the XPAR parameters created in the
|
||||
* xparameters.h file. They are only defined here such that a user can easily
|
||||
* change all the needed parameters in one place.
|
||||
*/
|
||||
#define PCLK_FREQ_HZ XPAR_XTTCPS_0_CLOCK_HZ /* Input freq */
|
||||
#define TTC_NUM_DEVICES XPAR_XTTCPS_NUM_INSTANCES
|
||||
|
||||
#define TABLE_OFFSET 6
|
||||
#define MAX_LOOP_COUNT 0xFFFF
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
typedef struct {
|
||||
u32 OutputHz; /* The frequency the timer should output on the
|
||||
waveout pin */
|
||||
u8 OutputDutyCycle; /* The duty cycle of the output wave as a
|
||||
percentage */
|
||||
u8 PrescalerValue; /* Value of the prescaler in the Count Control
|
||||
register */
|
||||
} TmrCntrSetup;
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
static int TmrCtrLowLevelExample(u8 SettingsTableOffset);
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
/*
|
||||
* Convert from a 0-2 index to the correct timer counter number as defined in
|
||||
* xttcps_hw.h
|
||||
*/
|
||||
static u32 TimerCounterBaseAddr[] = {
|
||||
XPS_TTC0_BASEADDR,
|
||||
XPS_TTC1_BASEADDR
|
||||
};
|
||||
|
||||
/*
|
||||
* A table of the actual prescaler setting based on the prescaler value from
|
||||
* 0-15. The setting is 2^(prescaler value + 1). Use a table to avoid doing
|
||||
* powers at run time.
|
||||
* A Prescaler value of 16, means use no prescaler, or a prescaler value of 1.
|
||||
*/
|
||||
static u32 PrescalerSettings[] = {
|
||||
2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
|
||||
32768, 65536, 1
|
||||
};
|
||||
|
||||
static TmrCntrSetup SettingsTable[] = {
|
||||
/* Table offset of 0 */
|
||||
{10, 50, 6},
|
||||
{10, 25, 6},
|
||||
{10, 75, 6},
|
||||
|
||||
/* Table offset of 3 */
|
||||
{100, 50, 3},
|
||||
{200, 25, 2},
|
||||
{400, 12.5, 1},
|
||||
|
||||
/* Table offset of 6 */
|
||||
{500, 50, 1},
|
||||
{1000, 50, 0},
|
||||
{5000, 50, 16},
|
||||
|
||||
/* Table offset of 9 */
|
||||
{10000, 50, 16},
|
||||
{50000, 50, 16},
|
||||
{100000, 50, 16},
|
||||
|
||||
/* Table offset of 12 */
|
||||
{500000, 50, 16},
|
||||
{1000000, 50, 16},
|
||||
{5000000, 50, 16},
|
||||
/* Note: at greater than 1 MHz the timer reload is noticeable. */
|
||||
|
||||
};
|
||||
|
||||
#define SETTINGS_TABLE_SIZE (sizeof(SettingsTable)/sizeof(TmrCntrSetup))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is the main function of the Timer/Counter example.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS to indicate success, else XST_FAILURE to indicate
|
||||
* a Failure.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int main(void)
|
||||
{
|
||||
int Status;
|
||||
|
||||
xil_printf("TTC Lowlevel Example Test \r\n");
|
||||
|
||||
/*
|
||||
* Run the Timer Counter - Low Level example.
|
||||
*/
|
||||
Status = TmrCtrLowLevelExample(TABLE_OFFSET);
|
||||
if (Status != XST_SUCCESS) {
|
||||
xil_printf("TTC Lowlevel Example Test Failed\r\n");
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
xil_printf("Successfully ran TTC Lowlevel Example Test\r\n");
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
* This function does a minimal test on the timer counter device and
|
||||
* the low level driver as a design example. The purpose of this function is
|
||||
* to illustrate how to use the XTtcPs low level driver.
|
||||
*
|
||||
*
|
||||
* @param SettingsTableOffset is an offset into the settings table. This
|
||||
* allows multiple counter setups to be kept and swapped easily.
|
||||
*
|
||||
* @return XST_SUCCESS to indicate success, else XST_FAILURE to indicate
|
||||
* a Failure.
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* This function contains a loop which waits for the value of a timer counter
|
||||
* to change. If the hardware is not working correctly, this function may not
|
||||
* return.
|
||||
*
|
||||
****************************************************************************/
|
||||
int TmrCtrLowLevelExample(u8 SettingsTableOffset)
|
||||
{
|
||||
u32 RegValue;
|
||||
u32 LoopCount;
|
||||
u32 TmrCtrBaseAddress;
|
||||
u32 IntervalValue, MatchValue;
|
||||
TmrCntrSetup *CurrSetup;
|
||||
|
||||
/*
|
||||
* Assert on the value of constants calculated above
|
||||
* Because the counters are 16 bits, no value can be greater than 65535
|
||||
*/
|
||||
if ((SettingsTableOffset + 2) > SETTINGS_TABLE_SIZE) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
for (LoopCount = 0; LoopCount < TTC_NUM_DEVICES; LoopCount++) {
|
||||
/*
|
||||
* Set the timer counter number to use
|
||||
*/
|
||||
TmrCtrBaseAddress = TimerCounterBaseAddr[LoopCount];
|
||||
|
||||
/* And get the setup for that counter
|
||||
*/
|
||||
CurrSetup = &SettingsTable[SettingsTableOffset + LoopCount];
|
||||
|
||||
/*
|
||||
* Set the Clock Control Register
|
||||
*/
|
||||
if (16 > CurrSetup->PrescalerValue) {
|
||||
/* Use the clock prescaler */
|
||||
RegValue =
|
||||
(CurrSetup->
|
||||
PrescalerValue <<
|
||||
XTTCPS_CLK_CNTRL_PS_VAL_SHIFT) &
|
||||
XTTCPS_CLK_CNTRL_PS_VAL_MASK;
|
||||
RegValue |= XTTCPS_CLK_CNTRL_PS_EN_MASK;
|
||||
}
|
||||
else {
|
||||
/* Do not use the clock prescaler */
|
||||
RegValue = 0;
|
||||
}
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress, XTTCPS_CLK_CNTRL_OFFSET,
|
||||
RegValue);
|
||||
|
||||
|
||||
/*
|
||||
* Set the Interval register. This determines the frequency of
|
||||
* the waveform. The counter will be reset to 0 each time this
|
||||
* value is reached.
|
||||
*/
|
||||
IntervalValue = PCLK_FREQ_HZ /
|
||||
(u32) (PrescalerSettings[CurrSetup->PrescalerValue] *
|
||||
CurrSetup->OutputHz);
|
||||
|
||||
/*
|
||||
* Make sure the value is not to large or too small
|
||||
*/
|
||||
if ((65535 < IntervalValue) || (4 > IntervalValue)) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress,
|
||||
XTTCPS_INTERVAL_VAL_OFFSET, IntervalValue);
|
||||
|
||||
/*
|
||||
* Set the Match register. This determines the duty cycle of the
|
||||
* waveform. The waveform output will be toggle each time this
|
||||
* value is reached.
|
||||
*/
|
||||
MatchValue = (IntervalValue * CurrSetup->OutputDutyCycle) / 100;
|
||||
|
||||
/*
|
||||
* Make sure the value is not to large or too small
|
||||
*/
|
||||
if ((65535 < MatchValue) || (4 > MatchValue)) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress, XTTCPS_MATCH_0_OFFSET,
|
||||
MatchValue);
|
||||
|
||||
/*
|
||||
* Set the Counter Control Register
|
||||
*/
|
||||
RegValue =
|
||||
~(XTTCPS_CNT_CNTRL_DIS_MASK |
|
||||
XTTCPS_CNT_CNTRL_EN_WAVE_MASK) &
|
||||
(XTTCPS_CNT_CNTRL_INT_MASK |
|
||||
XTTCPS_CNT_CNTRL_MATCH_MASK |
|
||||
XTTCPS_CNT_CNTRL_RST_MASK);
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress, XTTCPS_CNT_CNTRL_OFFSET,
|
||||
RegValue);
|
||||
|
||||
/*
|
||||
* Write to the Interrupt enable register. The status flags are
|
||||
* not active if this is not done.
|
||||
*/
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress, XTTCPS_IER_OFFSET,
|
||||
XTTCPS_IXR_INTERVAL_MASK);
|
||||
}
|
||||
|
||||
LoopCount = 0;
|
||||
while (LoopCount < MAX_LOOP_COUNT) {
|
||||
|
||||
/*
|
||||
* Read the status register for debugging
|
||||
*/
|
||||
RegValue =
|
||||
XTtcPs_ReadReg(TmrCtrBaseAddress, XTTCPS_ISR_OFFSET);
|
||||
|
||||
/*
|
||||
* Write the status register to clear the flags
|
||||
*/
|
||||
XTtcPs_WriteReg(TmrCtrBaseAddress, XTTCPS_ISR_OFFSET,
|
||||
RegValue);
|
||||
|
||||
if (0 != (XTTCPS_IXR_INTERVAL_MASK & RegValue)) {
|
||||
LoopCount++;
|
||||
/*
|
||||
* Count the number of output cycles so the program will
|
||||
* eventually exit. Otherwise it would stay in this loop
|
||||
* indefinitely.
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
490
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_rtc_example.c
Executable file
490
XilinxProcessorIPLib/drivers/ttcps/examples/xttcps_rtc_example.c
Executable file
|
|
@ -0,0 +1,490 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
* @file xttcps_rtc_example.c
|
||||
*
|
||||
* This example uses one timer/counter to make a real time clock. The number of
|
||||
* minutes and seconds is displayed on the console.
|
||||
*
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ---- ------ -------- ---------------------------------------------
|
||||
* 1.00 drg/jz 01/23/10 First release
|
||||
*</pre>
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "xparameters.h"
|
||||
#include "xstatus.h"
|
||||
#include "xil_io.h"
|
||||
#include "xil_exception.h"
|
||||
#include "xttcps.h"
|
||||
#include "xscugic.h"
|
||||
#include "xil_printf.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/*
|
||||
* The following constants map to the XPAR parameters created in the
|
||||
* xparameters.h file. They are only defined here such that a user can easily
|
||||
* change all the needed parameters in one place.
|
||||
*/
|
||||
#define TTC_TICK_DEVICE_ID XPAR_XTTCPS_0_DEVICE_ID
|
||||
#define TTC_TICK_INTR_ID XPAR_XTTCPS_0_INTR
|
||||
#define INTC_DEVICE_ID XPAR_SCUGIC_SINGLE_DEVICE_ID
|
||||
|
||||
/*
|
||||
* Constants to set the basic operating parameters.
|
||||
* PWM_DELTA_DUTY is critical to the running time of the test. Smaller values
|
||||
* make the test run longer.
|
||||
*/
|
||||
#define TICK_TIMER_FREQ_HZ 100 /* Tick timer counter's output frequency */
|
||||
|
||||
#define TICKS_PER_CHANGE_PERIOD TICK_TIMER_FREQ_HZ /* Tick signals per update */
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
typedef struct {
|
||||
u32 OutputHz; /* Output frequency */
|
||||
u16 Interval; /* Interval value */
|
||||
u8 Prescaler; /* Prescaler value */
|
||||
u16 Options; /* Option settings */
|
||||
} TmrCntrSetup;
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
static int TmrRtcInterruptExample(void); /* Main test */
|
||||
|
||||
/* Set up routines for timer counters */
|
||||
static int SetupTicker(void);
|
||||
static int SetupTimer(int DeviceID);
|
||||
|
||||
/* Interleaved interrupt test for both timer counters */
|
||||
static int WaitForDutyCycleFull(void);
|
||||
|
||||
static int SetupInterruptSystem(u16 IntcDeviceID, XScuGic *IntcInstancePtr);
|
||||
|
||||
static void TickHandler(void *CallBackRef);
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
static XTtcPs TtcPsInst; /* Timer counter instance */
|
||||
|
||||
static TmrCntrSetup SettingsTable=
|
||||
{TICK_TIMER_FREQ_HZ, 0, 0, 0}; /* Ticker timer counter initial setup,
|
||||
only output freq */
|
||||
|
||||
XScuGic InterruptController; /* Interrupt controller instance */
|
||||
|
||||
static u8 ErrorCount; /* Errors seen at interrupt time */
|
||||
static volatile u8 UpdateFlag; /* Flag to update the seconds counter */
|
||||
static u32 TickCount; /* Ticker interrupts between seconds change */
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This is the main function that calls the TTC RTC interrupt example.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return
|
||||
* - XST_SUCCESS to indicate Success
|
||||
* - XST_FAILURE to indicate a Failure.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int main(void)
|
||||
{
|
||||
int Status;
|
||||
|
||||
xil_printf("Starting Timer RTC Example");
|
||||
Status = TmrRtcInterruptExample();
|
||||
if (Status != XST_SUCCESS) {
|
||||
xil_printf("FAIL!");
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
xil_printf("Success!");
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This is the main function of the interrupt example.
|
||||
*
|
||||
*
|
||||
* @param None.
|
||||
*
|
||||
* @return XST_SUCCESS to indicate success, else XST_FAILURE to indicate
|
||||
* a Failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
static int TmrRtcInterruptExample(void)
|
||||
{
|
||||
int Status;
|
||||
|
||||
/*
|
||||
* Make sure the interrupts are disabled, in case this is being run
|
||||
* again after a failure.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Connect the Intc to the interrupt subsystem such that interrupts can
|
||||
* occur. This function is application specific.
|
||||
*/
|
||||
Status = SetupInterruptSystem(INTC_DEVICE_ID, &InterruptController);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up the Ticker timer
|
||||
*/
|
||||
Status = SetupTicker();
|
||||
if (Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
Status = WaitForDutyCycleFull();
|
||||
if (Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stop the counters
|
||||
*/
|
||||
XTtcPs_Stop(&TtcPsInst);
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up the Ticker timer.
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS if everything sets up well, XST_FAILURE otherwise.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int SetupTicker(void)
|
||||
{
|
||||
int Status;
|
||||
TmrCntrSetup *TimerSetup;
|
||||
XTtcPs *TtcPsTick;
|
||||
|
||||
TimerSetup = &SettingsTable;
|
||||
|
||||
/*
|
||||
* Set up appropriate options for Ticker: interval mode without
|
||||
* waveform output.
|
||||
*/
|
||||
TimerSetup->Options |= (XTTCPS_OPTION_INTERVAL_MODE |
|
||||
XTTCPS_OPTION_WAVE_DISABLE);
|
||||
|
||||
/*
|
||||
* Calling the timer setup routine
|
||||
* . initialize device
|
||||
* . set options
|
||||
*/
|
||||
Status = SetupTimer(TTC_TICK_DEVICE_ID);
|
||||
if(Status != XST_SUCCESS) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
TtcPsTick = &TtcPsInst;
|
||||
|
||||
/*
|
||||
* Connect to the interrupt controller
|
||||
*/
|
||||
Status = XScuGic_Connect(&InterruptController, TTC_TICK_INTR_ID,
|
||||
(Xil_InterruptHandler)TickHandler, (void *)TtcPsTick);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable the interrupt for the Timer counter
|
||||
*/
|
||||
XScuGic_Enable(&InterruptController, TTC_TICK_INTR_ID);
|
||||
|
||||
/*
|
||||
* Enable the interrupts for the tick timer/counter
|
||||
* We only care about the interval timeout.
|
||||
*/
|
||||
XTtcPs_EnableInterrupts(TtcPsTick, XTTCPS_IXR_INTERVAL_MASK);
|
||||
|
||||
/*
|
||||
* Start the tick timer/counter
|
||||
*/
|
||||
XTtcPs_Start(TtcPsTick);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function uses the interrupt inter-locking between the ticker timer
|
||||
* counter and the waveform output timer counter. When certain amount of
|
||||
* interrupts have happened to the ticker timer counter, a flag, UpdateFlag,
|
||||
* is set to true.
|
||||
*
|
||||
*
|
||||
* @param None
|
||||
*
|
||||
* @return XST_SUCCESS if duty cycle successfully reaches beyond 100,
|
||||
* otherwise XST_FAILURE.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int WaitForDutyCycleFull(void)
|
||||
{
|
||||
u32 seconds;
|
||||
|
||||
/*
|
||||
* Initialize some variables used by the interrupts and in loops.
|
||||
*/
|
||||
|
||||
ErrorCount = 0;
|
||||
seconds = 0;
|
||||
|
||||
/*
|
||||
* Loop until two minutes passes.
|
||||
*/
|
||||
while (seconds <= 121) {
|
||||
|
||||
/*
|
||||
* If error occurs, disable interrupts, and exit.
|
||||
*/
|
||||
if (0 != ErrorCount) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* The Ticker interrupt sets a flag for update.
|
||||
*/
|
||||
if (UpdateFlag) {
|
||||
/*
|
||||
* Calculate the time setting here, not at the time
|
||||
* critical interrupt level.
|
||||
*/
|
||||
seconds++;
|
||||
UpdateFlag = FALSE;
|
||||
|
||||
xil_printf("Time: %d\n\r", seconds);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets up a timer counter device, using the information in its
|
||||
* setup structure.
|
||||
* . initialize device
|
||||
* . set options
|
||||
* . set interval and prescaler value for given output frequency.
|
||||
*
|
||||
* @param DeviceID is the unique ID for the device.
|
||||
*
|
||||
* @return XST_SUCCESS if successful, otherwise XST_FAILURE.
|
||||
*
|
||||
*****************************************************************************/
|
||||
int SetupTimer(int DeviceID)
|
||||
{
|
||||
int Status;
|
||||
XTtcPs_Config *Config;
|
||||
XTtcPs *Timer;
|
||||
TmrCntrSetup *TimerSetup;
|
||||
|
||||
TimerSetup = &SettingsTable;
|
||||
|
||||
Timer = &TtcPsInst;
|
||||
/*
|
||||
* Stop the timer first
|
||||
*/
|
||||
XTtcPs_Stop(Timer);
|
||||
|
||||
/*
|
||||
* Look up the configuration based on the device identifier
|
||||
*/
|
||||
Config = XTtcPs_LookupConfig(DeviceID);
|
||||
if (NULL == Config) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize the device
|
||||
*/
|
||||
Status = XTtcPs_CfgInitialize(Timer, Config, Config->BaseAddress);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the options
|
||||
*/
|
||||
XTtcPs_SetOptions(Timer, TimerSetup->Options);
|
||||
|
||||
/*
|
||||
* Timer frequency is preset in the TimerSetup structure,
|
||||
* however, the value is not reflected in its other fields, such as
|
||||
* IntervalValue and PrescalerValue. The following call will map the
|
||||
* frequency to the interval and prescaler values.
|
||||
*/
|
||||
XTtcPs_CalcIntervalFromFreq(Timer, TimerSetup->OutputHz,
|
||||
&(TimerSetup->Interval), &(TimerSetup->Prescaler));
|
||||
|
||||
/*
|
||||
* Set the interval and prescale
|
||||
*/
|
||||
XTtcPs_SetInterval(Timer, TimerSetup->Interval);
|
||||
XTtcPs_SetPrescaler(Timer, TimerSetup->Prescaler);
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function setups the interrupt system such that interrupts can occur.
|
||||
* This function is application specific since the actual system may or may not
|
||||
* have an interrupt controller. The TTC could be directly connected to a
|
||||
* processor without an interrupt controller. The user should modify this
|
||||
* function to fit the application.
|
||||
*
|
||||
* @param IntcDeviceID is the unique ID of the interrupt controller
|
||||
* @param IntcInstacePtr is a pointer to the interrupt controller
|
||||
* instance.
|
||||
*
|
||||
* @return XST_SUCCESS if successful, otherwise XST_FAILURE.
|
||||
*
|
||||
*****************************************************************************/
|
||||
static int SetupInterruptSystem(u16 IntcDeviceID,
|
||||
XScuGic *IntcInstancePtr)
|
||||
{
|
||||
int Status;
|
||||
XScuGic_Config *IntcConfig; /* The configuration parameters of the
|
||||
interrupt controller */
|
||||
|
||||
/*
|
||||
* Initialize the interrupt controller driver
|
||||
*/
|
||||
IntcConfig = XScuGic_LookupConfig(IntcDeviceID);
|
||||
if (NULL == IntcConfig) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
Status = XScuGic_CfgInitialize(IntcInstancePtr, IntcConfig,
|
||||
IntcConfig->CpuBaseAddress);
|
||||
if (Status != XST_SUCCESS) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Connect the interrupt controller interrupt handler to the hardware
|
||||
* interrupt handling logic in the ARM processor.
|
||||
*/
|
||||
Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_IRQ_INT,
|
||||
(Xil_ExceptionHandler) XScuGic_InterruptHandler,
|
||||
IntcInstancePtr);
|
||||
|
||||
|
||||
/*
|
||||
* Enable interrupts in the ARM
|
||||
*/
|
||||
Xil_ExceptionEnable();
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is the handler which handles the periodic tick interrupt.
|
||||
* It updates its count, and set a flag to signal PWM timer counter to
|
||||
* update its duty cycle.
|
||||
*
|
||||
* This handler provides an example of how to handle data for the TTC and
|
||||
* is application specific.
|
||||
*
|
||||
* @param CallBackRef contains a callback reference from the driver, in
|
||||
* this case it is the instance pointer for the TTC driver.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
*****************************************************************************/
|
||||
static void TickHandler(void *CallBackRef)
|
||||
{
|
||||
u32 StatusEvent;
|
||||
|
||||
/*
|
||||
* Read the interrupt status, then write it back to clear the interrupt.
|
||||
*/
|
||||
StatusEvent = XTtcPs_GetInterruptStatus((XTtcPs *)CallBackRef);
|
||||
XTtcPs_ClearInterruptStatus((XTtcPs *)CallBackRef, StatusEvent);
|
||||
|
||||
if (0 != (XTTCPS_IXR_INTERVAL_MASK & StatusEvent)) {
|
||||
TickCount++;
|
||||
|
||||
if (TICKS_PER_CHANGE_PERIOD == TickCount) {
|
||||
TickCount = 0;
|
||||
UpdateFlag = TRUE;
|
||||
}
|
||||
|
||||
}
|
||||
else {
|
||||
/*
|
||||
* The Interval event should be the only one enabled. If it is
|
||||
* not it is an error
|
||||
*/
|
||||
ErrorCount++;
|
||||
}
|
||||
}
|
||||
40
XilinxProcessorIPLib/drivers/ttcps/src/Makefile
Executable file
40
XilinxProcessorIPLib/drivers/ttcps/src/Makefile
Executable file
|
|
@ -0,0 +1,40 @@
|
|||
COMPILER=
|
||||
ARCHIVER=
|
||||
CP=cp
|
||||
COMPILER_FLAGS=
|
||||
EXTRA_COMPILER_FLAGS=
|
||||
LIB=libxil.a
|
||||
|
||||
CC_FLAGS = $(COMPILER_FLAGS)
|
||||
ECC_FLAGS = $(EXTRA_COMPILER_FLAGS)
|
||||
|
||||
RELEASEDIR=../../../lib
|
||||
INCLUDEDIR=../../../include
|
||||
INCLUDES=-I./. -I${INCLUDEDIR}
|
||||
|
||||
OUTS = *.o
|
||||
|
||||
LIBSOURCES:=*.c
|
||||
INCLUDEFILES:=*.h
|
||||
|
||||
OBJECTS = $(addsuffix .o, $(basename $(wildcard *.c)))
|
||||
|
||||
libs: banner ttcps_libs clean
|
||||
|
||||
%.o: %.c
|
||||
${COMPILER} $(CC_FLAGS) $(ECC_FLAGS) $(INCLUDES) -o $@ $<
|
||||
|
||||
banner:
|
||||
echo "Compiling ttcps"
|
||||
|
||||
ttcps_libs: ${OBJECTS}
|
||||
$(ARCHIVER) -r ${RELEASEDIR}/${LIB} ${OBJECTS}
|
||||
|
||||
.PHONY: include
|
||||
include: ttcps_includes
|
||||
|
||||
ttcps_includes:
|
||||
${CP} ${INCLUDEFILES} ${INCLUDEDIR}
|
||||
|
||||
clean:
|
||||
rm -rf ${OBJECTS}
|
||||
423
XilinxProcessorIPLib/drivers/ttcps/src/xttcps.c
Executable file
423
XilinxProcessorIPLib/drivers/ttcps/src/xttcps.c
Executable file
|
|
@ -0,0 +1,423 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps.c
|
||||
*
|
||||
* This file contains the implementation of the XTtcPs driver. This driver
|
||||
* controls the operation of one timer counter in the Triple Timer Counter (TTC)
|
||||
* module in the Ps block. Refer to xttcps.h for more detailed description
|
||||
* of the driver.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- -------------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
*
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xttcps.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Initializes a specific XTtcPs instance such that the driver is ready to use.
|
||||
* This function initializes a single timer counter in the triple timer counter
|
||||
* function block.
|
||||
*
|
||||
* The state of the device after initialization is:
|
||||
* - Overflow Mode
|
||||
* - Internal (pclk) selected
|
||||
* - Counter disabled
|
||||
* - All Interrupts disabled
|
||||
* - Output waveforms disabled
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param ConfigPtr is a reference to a structure containing information
|
||||
* about a specific TTC device.
|
||||
* @param EffectiveAddr is the device base address in the virtual memory
|
||||
* address space. The caller is responsible for keeping the address
|
||||
* mapping from EffectiveAddr to the device physical base address
|
||||
* unchanged once this function is invoked. Unexpected errors may
|
||||
* occur if the address mapping changes after this function is
|
||||
* called. If address translation is not used, then use
|
||||
* ConfigPtr->BaseAddress for this parameter, passing the physical
|
||||
* address instead.
|
||||
*
|
||||
* @return
|
||||
*
|
||||
* - XST_SUCCESS if the initialization is successful.
|
||||
* - XST_DEVICE_IS_STARTED if the device is started. It must be
|
||||
* stopped to re-initialize.
|
||||
*
|
||||
* @note Device has to be stopped first to call this function to
|
||||
* initialize it.
|
||||
*
|
||||
******************************************************************************/
|
||||
int XTtcPs_CfgInitialize(XTtcPs *InstancePtr, XTtcPs_Config *ConfigPtr,
|
||||
u32 EffectiveAddr)
|
||||
{
|
||||
/*
|
||||
* Assert to validate input arguments.
|
||||
*/
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(ConfigPtr != NULL);
|
||||
|
||||
/*
|
||||
* Set some default values
|
||||
*/
|
||||
InstancePtr->Config.DeviceId = ConfigPtr->DeviceId;
|
||||
InstancePtr->Config.BaseAddress = EffectiveAddr;
|
||||
InstancePtr->Config.InputClockHz = ConfigPtr->InputClockHz;
|
||||
|
||||
/*
|
||||
* If the timer counter has already started, return an error
|
||||
* Device should be stopped first.
|
||||
*/
|
||||
if(XTtcPs_IsStarted(InstancePtr)) {
|
||||
return XST_DEVICE_IS_STARTED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset the count control register to it's default value.
|
||||
*/
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CNT_CNTRL_OFFSET,
|
||||
XTTCPS_CNT_CNTRL_RESET_VALUE);
|
||||
|
||||
/*
|
||||
* Reset the rest of the registers to the default values.
|
||||
*/
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_INTERVAL_VAL_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_MATCH_1_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_MATCH_2_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_MATCH_2_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_IER_OFFSET, 0x00);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_ISR_OFFSET, XTTCPS_IXR_ALL_MASK);
|
||||
|
||||
InstancePtr->IsReady = XIL_COMPONENT_IS_READY;
|
||||
|
||||
/*
|
||||
* Reset the counter value
|
||||
*/
|
||||
XTtcPs_ResetCounterValue(InstancePtr);
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is used to set the match registers. There are three match
|
||||
* registers.
|
||||
*
|
||||
* The match 0 register is special. If the waveform output mode is enabled, the
|
||||
* waveform will change polarity when the count matches the value in the match 0
|
||||
* register. The polarity of the waveform output can also be set using the
|
||||
* XTtcPs_SetOptions() function.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param MatchIndex is the index to the match register to be set.
|
||||
* Valid values are 0, 1, or 2.
|
||||
* @param Value is the 16-bit value to be set in the match register.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
****************************************************************************/
|
||||
void XTtcPs_SetMatchValue(XTtcPs *InstancePtr, u8 MatchIndex, u16 Value)
|
||||
{
|
||||
/*
|
||||
* Assert to validate input arguments.
|
||||
*/
|
||||
Xil_AssertVoid(InstancePtr != NULL);
|
||||
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
Xil_AssertVoid(MatchIndex < XTTCPS_NUM_MATCH_REG);
|
||||
|
||||
/*
|
||||
* Write the value to the correct match register with MatchIndex
|
||||
*/
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTtcPs_Match_N_Offset(MatchIndex), Value);
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function is used to get the value of the match registers. There are
|
||||
* three match registers.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param MatchIndex is the index to the match register to be set.
|
||||
* Valid values are 0, 1, or 2.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
****************************************************************************/
|
||||
u16 XTtcPs_GetMatchValue(XTtcPs *InstancePtr, u8 MatchIndex)
|
||||
{
|
||||
u32 MatchReg;
|
||||
|
||||
/*
|
||||
* Assert to validate input arguments.
|
||||
*/
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
Xil_AssertNonvoid(MatchIndex < XTTCPS_NUM_MATCH_REG);
|
||||
|
||||
MatchReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTtcPs_Match_N_Offset(MatchIndex));
|
||||
|
||||
return (u16) MatchReg;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets the prescaler enable bit and if needed sets the prescaler
|
||||
* bits in the control register.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param PrescalerValue is a number from 0-16 that sets the prescaler
|
||||
* to use.
|
||||
* If the parameter is 0 - 15, use a prescaler on the clock of
|
||||
* 2^(PrescalerValue+1), or 2-65536.
|
||||
* If the parameter is XTTCPS_CLK_CNTRL_PS_DISABLE, do not use a
|
||||
* prescaler.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
****************************************************************************/
|
||||
void XTtcPs_SetPrescaler(XTtcPs *InstancePtr, u8 PrescalerValue)
|
||||
{
|
||||
u32 ClockReg;
|
||||
|
||||
/*
|
||||
* Assert to validate input arguments.
|
||||
*/
|
||||
Xil_AssertVoid(InstancePtr != NULL);
|
||||
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
Xil_AssertVoid(PrescalerValue <= XTTCPS_CLK_CNTRL_PS_DISABLE);
|
||||
|
||||
/*
|
||||
* Read the clock control register
|
||||
*/
|
||||
ClockReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET);
|
||||
|
||||
/*
|
||||
* Clear all of the prescaler control bits in the register
|
||||
*/
|
||||
ClockReg &=
|
||||
~(XTTCPS_CLK_CNTRL_PS_VAL_MASK | XTTCPS_CLK_CNTRL_PS_EN_MASK);
|
||||
|
||||
if (PrescalerValue < XTTCPS_CLK_CNTRL_PS_DISABLE) {
|
||||
/*
|
||||
* Set the prescaler value and enable prescaler
|
||||
*/
|
||||
ClockReg |= (PrescalerValue << XTTCPS_CLK_CNTRL_PS_VAL_SHIFT) &
|
||||
XTTCPS_CLK_CNTRL_PS_VAL_MASK;
|
||||
ClockReg |= XTTCPS_CLK_CNTRL_PS_EN_MASK;
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the register with the new values.
|
||||
*/
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET, ClockReg);
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function gets the input clock prescaler
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* <pre>
|
||||
* @return The value(n) from which the prescalar value is calculated
|
||||
* as 2^(n+1). Some example values are given below :
|
||||
*
|
||||
* Value Prescaler
|
||||
* 0 2
|
||||
* 1 4
|
||||
* N 2^(n+1)
|
||||
* 15 65536
|
||||
* 16 1
|
||||
* </pre>
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
****************************************************************************/
|
||||
u8 XTtcPs_GetPrescaler(XTtcPs *InstancePtr)
|
||||
{
|
||||
u32 ClockReg;
|
||||
|
||||
/*
|
||||
* Assert to validate input arguments.
|
||||
*/
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
|
||||
/*
|
||||
* Read the clock control register
|
||||
*/
|
||||
ClockReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET);
|
||||
|
||||
if (0 == (ClockReg & XTTCPS_CLK_CNTRL_PS_EN_MASK)) {
|
||||
/*
|
||||
* Prescaler is disabled. Return the correct flag value
|
||||
*/
|
||||
return XTTCPS_CLK_CNTRL_PS_DISABLE;
|
||||
}
|
||||
|
||||
return ((ClockReg & XTTCPS_CLK_CNTRL_PS_VAL_MASK) >>
|
||||
XTTCPS_CLK_CNTRL_PS_VAL_SHIFT);
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function calculates the interval value as well as the prescaler value
|
||||
* for a given frequency.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param Freq is the requested output frequency for the device.
|
||||
* @param Interval is the interval value for the given frequency,
|
||||
* it is the output value for this function.
|
||||
* @param Prescaler is the prescaler value for the given frequency,
|
||||
* it is the output value for this function.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note
|
||||
* Upon successful calculation for the given frequency, Interval and Prescaler
|
||||
* carry the settings for the timer counter; Upon unsuccessful calculation,
|
||||
* Interval and Prescaler are set to 0xFF(FF) for their maximum values to
|
||||
* signal the caller of failure. Therefore, caller needs to check the return
|
||||
* interval or prescaler values for whether the function has succeeded.
|
||||
*
|
||||
****************************************************************************/
|
||||
void XTtcPs_CalcIntervalFromFreq(XTtcPs *InstancePtr, u32 Freq,
|
||||
u16 *Interval, u8 *Prescaler)
|
||||
{
|
||||
u8 TmpPrescaler;
|
||||
u32 TempValue;
|
||||
u32 InputClock;
|
||||
|
||||
InputClock = InstancePtr->Config.InputClockHz;
|
||||
/*
|
||||
* Find the smallest prescaler that will work for a given frequency. The
|
||||
* smaller the prescaler, the larger the count and the more accurate the
|
||||
* PWM setting.
|
||||
*/
|
||||
TempValue = InputClock/ Freq;
|
||||
|
||||
if (TempValue < 4) {
|
||||
/*
|
||||
* The frequency is too high, it is too close to the input
|
||||
* clock value. Use maximum values to signal caller.
|
||||
*/
|
||||
*Interval = 0xFFFF;
|
||||
*Prescaler = 0xFF;
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* First, do we need a prescaler or not?
|
||||
*/
|
||||
if (65536 > TempValue) {
|
||||
/*
|
||||
* We do not need a prescaler, so set the values appropriately
|
||||
*/
|
||||
*Interval = TempValue;
|
||||
*Prescaler = XTTCPS_CLK_CNTRL_PS_DISABLE;
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
for (TmpPrescaler = 0; TmpPrescaler < XTTCPS_CLK_CNTRL_PS_DISABLE;
|
||||
TmpPrescaler++) {
|
||||
TempValue = InputClock/ (Freq * (1 << (TmpPrescaler + 1)));
|
||||
|
||||
/*
|
||||
* The first value less than 2^16 is the best bet
|
||||
*/
|
||||
if (65536 > TempValue) {
|
||||
/*
|
||||
* Set the values appropriately
|
||||
*/
|
||||
*Interval = TempValue;
|
||||
*Prescaler = TmpPrescaler;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/* Can not find interval values that work for the given frequency.
|
||||
* Return maximum values to signal caller.
|
||||
*/
|
||||
*Interval = 0XFFFF;
|
||||
*Prescaler = 0XFF;
|
||||
return;
|
||||
}
|
||||
407
XilinxProcessorIPLib/drivers/ttcps/src/xttcps.h
Executable file
407
XilinxProcessorIPLib/drivers/ttcps/src/xttcps.h
Executable file
|
|
@ -0,0 +1,407 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps.h
|
||||
*
|
||||
* This is the driver for one 16-bit timer counter in the Triple Timer Counter
|
||||
* (TTC) module in the Ps block.
|
||||
*
|
||||
* The TTC module provides three independent timer/counter modules that can each
|
||||
* be clocked using either the system clock (pclk) or an externally driven
|
||||
* clock (ext_clk). In addition, each counter can independently prescale its
|
||||
* selected clock input (divided by 2 to 65536). Counters can be set to
|
||||
* decrement or increment.
|
||||
*
|
||||
* Each of the counters can be programmed to generate interrupt pulses:
|
||||
* . At a regular, predefined period, that is on a timed interval
|
||||
* . When the counter registers overflow
|
||||
* . When the count matches any one of the three 'match' registers
|
||||
*
|
||||
* Therefore, up to six different events can trigger a timer interrupt: three
|
||||
* match interrupts, an overflow interrupt, an interval interrupt and an event
|
||||
* timer interrupt. Note that the overflow interrupt and the interval interrupt
|
||||
* are mutually exclusive.
|
||||
*
|
||||
* <b>Initialization & Configuration</b>
|
||||
*
|
||||
* An XTtcPs_Config structure is used to configure a driver instance.
|
||||
* Information in the XTtcPs_Config structure is the hardware properties
|
||||
* about the device.
|
||||
*
|
||||
* A driver instance is initialized through
|
||||
* XTtcPs_CfgInitialize(InstancePtr, CfgPtr, EffectiveAddr). Where CfgPtr
|
||||
* is a pointer to the XTtcPs_Config structure, it can be looked up statically
|
||||
* through XTtcPs_LookupConfig(DeviceID), or passed in by the caller. The
|
||||
* EffectiveAddr can be the static base address of the device or virtual
|
||||
* mapped address if address translation is supported.
|
||||
*
|
||||
* <b>Interrupts</b>
|
||||
*
|
||||
* Interrupt handler is not provided by the driver, as handling of interrupt
|
||||
* is application specific.
|
||||
*
|
||||
* @note
|
||||
* The default setting for a timer/counter is:
|
||||
* - Overflow Mode
|
||||
* - Internal clock (pclk) selected
|
||||
* - Counter disabled
|
||||
* - All Interrupts disabled
|
||||
* - Output waveforms disabled
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- -----------------------------------------------------
|
||||
* 1.00a drg/jz 01/20/10 First release..
|
||||
* 2.0 adk 12/10/13 Updated as per the New Tcl API's
|
||||
* 3.0 pkp 12/09/14 Added support for Zynq Ultrascale Mp
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
#ifndef XTTCPS_H /* prevent circular inclusions */
|
||||
#define XTTCPS_H /* by using protection macros */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xttcps_hw.h"
|
||||
#include "xstatus.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/** @name Configuration options
|
||||
*
|
||||
* Options for the device. Each of the options is bit field, so more than one
|
||||
* options can be specified.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_OPTION_EXTERNAL_CLK 0x0001 /**< External clock source */
|
||||
#define XTTCPS_OPTION_CLK_EDGE_NEG 0x0002 /**< Clock on trailing edge for
|
||||
external clock*/
|
||||
#define XTTCPS_OPTION_INTERVAL_MODE 0x0004 /**< Interval mode */
|
||||
#define XTTCPS_OPTION_DECREMENT 0x0008 /**< Decrement the counter */
|
||||
#define XTTCPS_OPTION_MATCH_MODE 0x0010 /**< Match mode */
|
||||
#define XTTCPS_OPTION_WAVE_DISABLE 0x0020 /**< No waveform output */
|
||||
#define XTTCPS_OPTION_WAVE_POLARITY 0x0040 /**< Waveform polarity */
|
||||
/*@}*/
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
/**
|
||||
* This typedef contains configuration information for the device.
|
||||
*/
|
||||
typedef struct {
|
||||
u16 DeviceId; /**< Unique ID for device */
|
||||
u32 BaseAddress; /**< Base address for device */
|
||||
u32 InputClockHz; /**< Input clock frequency */
|
||||
} XTtcPs_Config;
|
||||
|
||||
/**
|
||||
* The XTtcPs driver instance data. The user is required to allocate a
|
||||
* variable of this type for each PS timer/counter device in the system. A
|
||||
* pointer to a variable of this type is then passed to various driver API
|
||||
* functions.
|
||||
*/
|
||||
typedef struct {
|
||||
XTtcPs_Config Config; /**< Configuration structure */
|
||||
u32 IsReady; /**< Device is initialized and ready */
|
||||
} XTtcPs;
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
/*
|
||||
* Internal helper macros
|
||||
*/
|
||||
#define InstReadReg(InstancePtr, RegOffset) \
|
||||
(Xil_In32(((InstancePtr)->Config.BaseAddress) + (RegOffset)))
|
||||
|
||||
#define InstWriteReg(InstancePtr, RegOffset, Data) \
|
||||
(Xil_Out32(((InstancePtr)->Config.BaseAddress) + (RegOffset), (Data)))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function starts the counter/timer without resetting the counter value.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note C-style signature:
|
||||
* void XTtcPs_Start(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_Start(InstancePtr) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET, \
|
||||
(InstReadReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET) & \
|
||||
~XTTCPS_CNT_CNTRL_DIS_MASK))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function stops the counter/timer. This macro may be called at any time
|
||||
* to stop the counter. The counter holds the last value until it is reset,
|
||||
* restarted or enabled.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note C-style signature:
|
||||
* void XTtcPs_Stop(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_Stop(InstancePtr) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET, \
|
||||
(InstReadReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET) | \
|
||||
XTTCPS_CNT_CNTRL_DIS_MASK))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function checks whether the timer counter has already started.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance
|
||||
*
|
||||
* @return Non-zero if the device has started, '0' otherwise.
|
||||
*
|
||||
* @note C-style signature:
|
||||
* int XTtcPs_IsStarted(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_IsStarted(InstancePtr) \
|
||||
(int)((InstReadReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET) & \
|
||||
XTTCPS_CNT_CNTRL_DIS_MASK) == 0)
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function returns the current 16-bit counter value. It may be called at
|
||||
* any time.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return 16-bit counter value.
|
||||
*
|
||||
* @note C-style signature:
|
||||
* u16 XTtcPs_GetCounterValue(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_GetCounterValue(InstancePtr) \
|
||||
(u16)InstReadReg((InstancePtr), XTTCPS_COUNT_VALUE_OFFSET)
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets the interval value to be used in interval mode.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param Value is the 16-bit value to be set in the interval register.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note C-style signature:
|
||||
* void XTtcPs_SetInterval(XTtcPs *InstancePtr, u16 Value)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_SetInterval(InstancePtr, Value) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_INTERVAL_VAL_OFFSET, (Value))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function gets the interval value from the interval register.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return 16-bit interval value
|
||||
*
|
||||
* @note C-style signature:
|
||||
* u16 XTtcPs_GetInterval(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_GetInterval(InstancePtr) \
|
||||
(u16)InstReadReg((InstancePtr), XTTCPS_INTERVAL_VAL_OFFSET)
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This macro resets the count register. It may be called at any time. The
|
||||
* counter is reset to either 0 or 0xFFFF, or the interval value, depending on
|
||||
* the increment/decrement mode. The state of the counter, as started or
|
||||
* stopped, is not affected by calling reset.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note C-style signature:
|
||||
* void XTtcPs_ResetCounterValue(XTtcPs *InstancePtr)
|
||||
*
|
||||
****************************************************************************/
|
||||
#define XTtcPs_ResetCounterValue(InstancePtr) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET, \
|
||||
(InstReadReg((InstancePtr), XTTCPS_CNT_CNTRL_OFFSET) | \
|
||||
XTTCPS_CNT_CNTRL_RST_MASK))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function enables the interrupts.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param InterruptMask defines which interrupt should be enabled.
|
||||
* Constants are defined in xttcps_hw.h as XTTCPS_IXR_*.
|
||||
* This is a bit mask, all set bits will be enabled, cleared bits
|
||||
* will not be disabled.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note
|
||||
* C-style signature:
|
||||
* void XTtcPs_EnableInterrupts(XTtcPs *InstancePtr, u32 InterruptMask)
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XTtcPs_EnableInterrupts(InstancePtr, InterruptMask) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_IER_OFFSET, \
|
||||
(InstReadReg((InstancePtr), XTTCPS_IER_OFFSET) | \
|
||||
(InterruptMask)))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function disables the interrupts.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param InterruptMask defines which interrupt should be disabled.
|
||||
* Constants are defined in xttcps_hw.h as XTTCPS_IXR_*.
|
||||
* This is a bit mask, all set bits will be disabled, cleared bits
|
||||
* will not be disabled.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note
|
||||
* C-style signature:
|
||||
* void XTtcPs_DisableInterrupts(XTtcPs *InstancePtr, u32 InterruptMask)
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XTtcPs_DisableInterrupts(InstancePtr, InterruptMask) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_IER_OFFSET, \
|
||||
(InstReadReg((InstancePtr), XTTCPS_IER_OFFSET) & \
|
||||
~(InterruptMask)))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function reads the interrupt status.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note C-style signature:
|
||||
* u32 XTtcPs_GetInterruptStatus(XTtcPs *InstancePtr)
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XTtcPs_GetInterruptStatus(InstancePtr) \
|
||||
InstReadReg((InstancePtr), XTTCPS_ISR_OFFSET)
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function clears the interrupt status.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param InterruptMask defines which interrupt should be cleared.
|
||||
* Constants are defined in xttcps_hw.h as XTTCPS_IXR_*.
|
||||
* This is a bit mask, all set bits will be cleared, cleared bits
|
||||
* will not be cleared.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note
|
||||
* C-style signature:
|
||||
* void XTtcPs_ClearInterruptStatus(XTtcPs *InstancePtr, u32 InterruptMask)
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XTtcPs_ClearInterruptStatus(InstancePtr, InterruptMask) \
|
||||
InstWriteReg((InstancePtr), XTTCPS_ISR_OFFSET, \
|
||||
(InterruptMask))
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/*
|
||||
* Initialization functions in xttcps_sinit.c
|
||||
*/
|
||||
XTtcPs_Config *XTtcPs_LookupConfig(u16 DeviceId);
|
||||
|
||||
/*
|
||||
* Required functions, in xttcps.c
|
||||
*/
|
||||
int XTtcPs_CfgInitialize(XTtcPs *InstancePtr,
|
||||
XTtcPs_Config * ConfigPtr, u32 EffectiveAddr);
|
||||
|
||||
void XTtcPs_SetMatchValue(XTtcPs *InstancePtr, u8 MatchIndex, u16 Value);
|
||||
u16 XTtcPs_GetMatchValue(XTtcPs *InstancePtr, u8 MatchIndex);
|
||||
|
||||
void XTtcPs_SetPrescaler(XTtcPs *InstancePtr, u8 PrescalerValue);
|
||||
u8 XTtcPs_GetPrescaler(XTtcPs *InstancePtr);
|
||||
|
||||
void XTtcPs_CalcIntervalFromFreq(XTtcPs *InstancePtr, u32 Freq,
|
||||
u16 *Interval, u8 *Prescaler);
|
||||
|
||||
/*
|
||||
* Functions for options, in file xttcps_options.c
|
||||
*/
|
||||
int XTtcPs_SetOptions(XTtcPs *InstancePtr, u32 Options);
|
||||
u32 XTtcPs_GetOptions(XTtcPs *InstancePtr);
|
||||
|
||||
/*
|
||||
* Function for self-test, in file xttcps_selftest.c
|
||||
*/
|
||||
int XTtcPs_SelfTest(XTtcPs *InstancePtr);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* end of protection macro */
|
||||
119
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_g.c
Executable file
119
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_g.c
Executable file
|
|
@ -0,0 +1,119 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps_g.c
|
||||
*
|
||||
* This file contains a configuration table where each entry is the
|
||||
* configuration information for one timer counter device in the system.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- -----------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
* 2.00 hk 22/01/14 Added check for picking instances other than
|
||||
* default.
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
#include "xttcps.h"
|
||||
#include "xparameters.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
|
||||
/************************** Variable Prototypes ******************************/
|
||||
|
||||
/**
|
||||
* This table contains configuration information for each TTC device
|
||||
* in the system.
|
||||
*/
|
||||
XTtcPs_Config XTtcPs_ConfigTable[XPAR_XTTCPS_NUM_INSTANCES] = {
|
||||
{
|
||||
XPAR_XTTCPS_0_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_0_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_0_TTC_CLK_FREQ_HZ /* Device input clock frequency */
|
||||
},
|
||||
#ifdef XPAR_XTTCPS_1_DEVICE_ID
|
||||
{
|
||||
XPAR_XTTCPS_1_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_1_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_1_CLOCK_HZ /* Device input clock frequency */
|
||||
},
|
||||
#endif
|
||||
|
||||
#ifdef XPAR_XTTCPS_2_DEVICE_ID
|
||||
{
|
||||
XPAR_XTTCPS_2_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_2_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_2_CLOCK_HZ /* Device input clock frequency */
|
||||
},
|
||||
#endif
|
||||
|
||||
#ifdef XPAR_XTTCPS_3_DEVICE_ID
|
||||
{
|
||||
XPAR_XTTCPS_3_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_3_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_3_CLOCK_HZ /* Device input clock frequency */
|
||||
},
|
||||
#endif
|
||||
|
||||
#ifdef XPAR_XTTCPS_4_DEVICE_ID
|
||||
{
|
||||
XPAR_XTTCPS_4_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_4_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_4_CLOCK_HZ /* Device input clock frequency */
|
||||
},
|
||||
#endif
|
||||
|
||||
#ifdef XPAR_XTTCPS_5_DEVICE_ID
|
||||
{
|
||||
XPAR_XTTCPS_5_DEVICE_ID, /* Device ID for instance */
|
||||
XPAR_XTTCPS_5_BASEADDR, /* Device base address */
|
||||
XPAR_XTTCPS_5_CLOCK_HZ /* Device input clock frequency */
|
||||
},
|
||||
#endif
|
||||
};
|
||||
208
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_hw.h
Executable file
208
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_hw.h
Executable file
|
|
@ -0,0 +1,208 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps_hw.h
|
||||
*
|
||||
* This file defines the hardware interface to one of the three timer counters
|
||||
* in the Ps block.
|
||||
*
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- -------------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
*
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
#ifndef XTTCPS_HW_H /* prevent circular inclusions */
|
||||
#define XTTCPS_HW_H /* by using protection macros */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xil_types.h"
|
||||
#include "xil_assert.h"
|
||||
#include "xil_io.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/** @name Register Map
|
||||
*
|
||||
* Register offsets from the base address of the device.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_CLK_CNTRL_OFFSET 0x00000000 /**< Clock Control Register */
|
||||
#define XTTCPS_CNT_CNTRL_OFFSET 0x0000000C /**< Counter Control Register*/
|
||||
#define XTTCPS_COUNT_VALUE_OFFSET 0x00000018 /**< Current Counter Value */
|
||||
#define XTTCPS_INTERVAL_VAL_OFFSET 0x00000024 /**< Interval Count Value */
|
||||
#define XTTCPS_MATCH_0_OFFSET 0x00000030 /**< Match 1 value */
|
||||
#define XTTCPS_MATCH_1_OFFSET 0x0000003C /**< Match 2 value */
|
||||
#define XTTCPS_MATCH_2_OFFSET 0x00000048 /**< Match 3 value */
|
||||
#define XTTCPS_ISR_OFFSET 0x00000054 /**< Interrupt Status Register */
|
||||
#define XTTCPS_IER_OFFSET 0x00000060 /**< Interrupt Enable Register */
|
||||
/* @} */
|
||||
|
||||
/** @name Clock Control Register
|
||||
* Clock Control Register definitions
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_CLK_CNTRL_PS_EN_MASK 0x00000001 /**< Prescale enable */
|
||||
#define XTTCPS_CLK_CNTRL_PS_VAL_MASK 0x0000001E /**< Prescale value */
|
||||
#define XTTCPS_CLK_CNTRL_PS_VAL_SHIFT 1 /**< Prescale shift */
|
||||
#define XTTCPS_CLK_CNTRL_PS_DISABLE 16 /**< Prescale disable */
|
||||
#define XTTCPS_CLK_CNTRL_SRC_MASK 0x00000020 /**< Clock source */
|
||||
#define XTTCPS_CLK_CNTRL_EXT_EDGE_MASK 0x00000040 /**< External Clock edge */
|
||||
/* @} */
|
||||
|
||||
/** @name Counter Control Register
|
||||
* Counter Control Register definitions
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_CNT_CNTRL_DIS_MASK 0x00000001 /**< Disable the counter */
|
||||
#define XTTCPS_CNT_CNTRL_INT_MASK 0x00000002 /**< Interval mode */
|
||||
#define XTTCPS_CNT_CNTRL_DECR_MASK 0x00000004 /**< Decrement mode */
|
||||
#define XTTCPS_CNT_CNTRL_MATCH_MASK 0x00000008 /**< Match mode */
|
||||
#define XTTCPS_CNT_CNTRL_RST_MASK 0x00000010 /**< Reset counter */
|
||||
#define XTTCPS_CNT_CNTRL_EN_WAVE_MASK 0x00000020 /**< Enable waveform */
|
||||
#define XTTCPS_CNT_CNTRL_POL_WAVE_MASK 0x00000040 /**< Waveform polarity */
|
||||
#define XTTCPS_CNT_CNTRL_RESET_VALUE 0x00000021 /**< Reset value */
|
||||
/* @} */
|
||||
|
||||
/** @name Current Counter Value Register
|
||||
* Current Counter Value Register definitions
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_COUNT_VALUE_MASK 0x0000FFFF /**< 16-bit counter value */
|
||||
/* @} */
|
||||
|
||||
/** @name Interval Value Register
|
||||
* Interval Value Register is the maximum value the counter will count up or
|
||||
* down to.
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_INTERVAL_VAL_MASK 0x0000FFFF /**< 16-bit Interval value*/
|
||||
/* @} */
|
||||
|
||||
/** @name Match Registers
|
||||
* Definitions for Match registers, each timer counter has three match
|
||||
* registers.
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_MATCH_MASK 0x0000FFFF /**< 16-bit Match value */
|
||||
#define XTTCPS_NUM_MATCH_REG 3 /**< Num of Match reg */
|
||||
/* @} */
|
||||
|
||||
/** @name Interrupt Registers
|
||||
* Following register bit mask is for all interrupt registers.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
#define XTTCPS_IXR_INTERVAL_MASK 0x00000001 /**< Interval Interrupt */
|
||||
#define XTTCPS_IXR_MATCH_0_MASK 0x00000002 /**< Match 1 Interrupt */
|
||||
#define XTTCPS_IXR_MATCH_1_MASK 0x00000004 /**< Match 2 Interrupt */
|
||||
#define XTTCPS_IXR_MATCH_2_MASK 0x00000008 /**< Match 3 Interrupt */
|
||||
#define XTTCPS_IXR_CNT_OVR_MASK 0x00000010 /**< Counter Overflow */
|
||||
#define XTTCPS_IXR_ALL_MASK 0x0000001F /**< All valid Interrupts */
|
||||
/* @} */
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Read the given Timer Counter register.
|
||||
*
|
||||
* @param BaseAddress is the base address of the timer counter device.
|
||||
* @param RegOffset is the register offset to be read
|
||||
*
|
||||
* @return The 32-bit value of the register
|
||||
*
|
||||
* @note C-style signature:
|
||||
* u32 XTtcPs_ReadReg(u32 BaseAddress, u32 RegOffset)
|
||||
*
|
||||
*****************************************************************************/
|
||||
#define XTtcPs_ReadReg(BaseAddress, RegOffset) \
|
||||
(Xil_In32((BaseAddress) + (RegOffset)))
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Write the given Timer Counter register.
|
||||
*
|
||||
* @param BaseAddress is the base address of the timer counter device.
|
||||
* @param RegOffset is the register offset to be written
|
||||
* @param Data is the 32-bit value to write to the register
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note C-style signature:
|
||||
* void XTtcPs_WriteReg(XTtcPs BaseAddress, u32 RegOffset,
|
||||
* u32 Data)
|
||||
*
|
||||
*****************************************************************************/
|
||||
#define XTtcPs_WriteReg(BaseAddress, RegOffset, Data) \
|
||||
(Xil_Out32((BaseAddress) + (RegOffset), (Data)))
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Calculate a match register offset using the Match Register index.
|
||||
*
|
||||
* @param MatchIndex is the 0-2 value of the match register
|
||||
*
|
||||
* @return MATCH_N_OFFSET.
|
||||
*
|
||||
* @note C-style signature:
|
||||
* u32 XTtcPs_Match_N_Offset(u8 MatchIndex)
|
||||
*
|
||||
*****************************************************************************/
|
||||
#define XTtcPs_Match_N_Offset(MatchIndex) \
|
||||
(XTTCPS_MATCH_0_OFFSET + (12 * (MatchIndex)))
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif /* end of protection macro */
|
||||
232
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_options.c
Executable file
232
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_options.c
Executable file
|
|
@ -0,0 +1,232 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps_options.c
|
||||
*
|
||||
* This file contains functions to get or set option features for the device.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- ---------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
* 1.01a nm 03/05/2012 Removed break statement after return to remove
|
||||
* compilation warnings.
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xttcps.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
/*
|
||||
* Create the table of options which are processed to get/set the device
|
||||
* options. These options are table driven to allow easy maintenance and
|
||||
* expansion of the options.
|
||||
*/
|
||||
typedef struct {
|
||||
u32 Option;
|
||||
u32 Mask;
|
||||
u32 Register;
|
||||
} OptionsMap;
|
||||
|
||||
static OptionsMap TmrCtrOptionsTable[] = {
|
||||
{XTTCPS_OPTION_EXTERNAL_CLK, XTTCPS_CLK_CNTRL_SRC_MASK,
|
||||
XTTCPS_CLK_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_CLK_EDGE_NEG, XTTCPS_CLK_CNTRL_EXT_EDGE_MASK,
|
||||
XTTCPS_CLK_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_INTERVAL_MODE, XTTCPS_CNT_CNTRL_INT_MASK,
|
||||
XTTCPS_CNT_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_DECREMENT, XTTCPS_CNT_CNTRL_DECR_MASK,
|
||||
XTTCPS_CNT_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_MATCH_MODE, XTTCPS_CNT_CNTRL_MATCH_MASK,
|
||||
XTTCPS_CNT_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_WAVE_DISABLE, XTTCPS_CNT_CNTRL_EN_WAVE_MASK,
|
||||
XTTCPS_CNT_CNTRL_OFFSET},
|
||||
{XTTCPS_OPTION_WAVE_POLARITY, XTTCPS_CNT_CNTRL_POL_WAVE_MASK,
|
||||
XTTCPS_CNT_CNTRL_OFFSET},
|
||||
};
|
||||
|
||||
#define XTTCPS_NUM_TMRCTR_OPTIONS (sizeof(TmrCtrOptionsTable) / \
|
||||
sizeof(OptionsMap))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function sets the options for the TTC device.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
* @param Options contains the specified options to be set. This is a bit
|
||||
* mask where a 1 means to turn the option on, and a 0 means to
|
||||
* turn the option off. One or more bit values may be contained
|
||||
* in the mask. See the bit definitions named XTTCPS_*_OPTION in
|
||||
* the file xttcps.h.
|
||||
*
|
||||
* @return
|
||||
* - XST_SUCCESS if options are successfully set.
|
||||
* - XST_FAILURE if any of the options are unknown.
|
||||
*
|
||||
* @note None
|
||||
*
|
||||
******************************************************************************/
|
||||
int XTtcPs_SetOptions(XTtcPs *InstancePtr, u32 Options)
|
||||
{
|
||||
u32 CountReg;
|
||||
u32 ClockReg;
|
||||
unsigned Index;
|
||||
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
|
||||
ClockReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET);
|
||||
CountReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CNT_CNTRL_OFFSET);
|
||||
|
||||
/*
|
||||
* Loop through the options table, turning the option on or off
|
||||
* depending on whether the bit is set in the incoming options flag.
|
||||
*/
|
||||
for (Index = 0; Index < XTTCPS_NUM_TMRCTR_OPTIONS; Index++) {
|
||||
if (Options & TmrCtrOptionsTable[Index].Option) {
|
||||
|
||||
switch (TmrCtrOptionsTable[Index].Register) {
|
||||
|
||||
case XTTCPS_CLK_CNTRL_OFFSET:
|
||||
/* Add option */
|
||||
ClockReg |= TmrCtrOptionsTable[Index].Mask;
|
||||
break;
|
||||
|
||||
case XTTCPS_CNT_CNTRL_OFFSET:
|
||||
/* Add option */
|
||||
CountReg |= TmrCtrOptionsTable[Index].Mask;
|
||||
break;
|
||||
|
||||
default:
|
||||
return XST_FAILURE;
|
||||
}
|
||||
}
|
||||
else {
|
||||
switch (TmrCtrOptionsTable[Index].Register) {
|
||||
|
||||
case XTTCPS_CLK_CNTRL_OFFSET:
|
||||
/* Remove option*/
|
||||
ClockReg &= ~TmrCtrOptionsTable[Index].Mask;
|
||||
break;
|
||||
|
||||
case XTTCPS_CNT_CNTRL_OFFSET:
|
||||
/* Remove option*/
|
||||
CountReg &= ~TmrCtrOptionsTable[Index].Mask;
|
||||
break;
|
||||
|
||||
default:
|
||||
return XST_FAILURE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Now write the registers. Leave it to the upper layers to restart the
|
||||
* device.
|
||||
*/
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CLK_CNTRL_OFFSET, ClockReg);
|
||||
XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CNT_CNTRL_OFFSET, CountReg);
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* This function gets the settings for the options for the TTC device.
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return
|
||||
*
|
||||
* The return u32 contains the specified options that are set. This is a bit
|
||||
* mask where a '1' means the option is on, and a'0' means the option is off.
|
||||
* One or more bit values may be contained in the mask. See the bit definitions
|
||||
* named XTTCPS_*_OPTION in the file xttcps.h.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
u32 XTtcPs_GetOptions(XTtcPs *InstancePtr)
|
||||
{
|
||||
u32 OptionsFlag = 0;
|
||||
u32 Register;
|
||||
unsigned Index;
|
||||
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
|
||||
|
||||
/*
|
||||
* Loop through the options table to determine which options are set
|
||||
*/
|
||||
for (Index = 0; Index < XTTCPS_NUM_TMRCTR_OPTIONS; Index++) {
|
||||
/*
|
||||
* Get the control register to determine which options are
|
||||
* currently set.
|
||||
*/
|
||||
Register = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
TmrCtrOptionsTable[Index].
|
||||
Register);
|
||||
|
||||
if (Register & TmrCtrOptionsTable[Index].Mask) {
|
||||
OptionsFlag |= TmrCtrOptionsTable[Index].Option;
|
||||
}
|
||||
}
|
||||
|
||||
return OptionsFlag;
|
||||
}
|
||||
102
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_selftest.c
Executable file
102
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_selftest.c
Executable file
|
|
@ -0,0 +1,102 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps_selftest.c
|
||||
*
|
||||
* This file contains the implementation of self test function for the
|
||||
* XTtcPs driver.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- ---------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xttcps.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Runs a self-test on the driver/device.
|
||||
*
|
||||
*
|
||||
* @param InstancePtr is a pointer to the XTtcPs instance.
|
||||
*
|
||||
* @return
|
||||
*
|
||||
* - XST_SUCCESS if successful
|
||||
* - XST_FAILURE indicates a register did not read or write correctly
|
||||
*
|
||||
* @note This test fails if it is not called right after initialization.
|
||||
*
|
||||
******************************************************************************/
|
||||
int XTtcPs_SelfTest(XTtcPs *InstancePtr)
|
||||
{
|
||||
u32 TempReg;
|
||||
|
||||
Xil_AssertNonvoid(InstancePtr != NULL);
|
||||
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
||||
|
||||
/*
|
||||
* All the TTC registers should be in their default state right now.
|
||||
*/
|
||||
TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
|
||||
XTTCPS_CNT_CNTRL_OFFSET);
|
||||
if (XTTCPS_CNT_CNTRL_RESET_VALUE != TempReg) {
|
||||
return XST_FAILURE;
|
||||
}
|
||||
|
||||
return XST_SUCCESS;
|
||||
}
|
||||
94
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_sinit.c
Executable file
94
XilinxProcessorIPLib/drivers/ttcps/src/xttcps_sinit.c
Executable file
|
|
@ -0,0 +1,94 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xttcps_sinit.c
|
||||
*
|
||||
* The implementation of the XTtcPs driver's static initialization functionality.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ------ -------- ---------------------------------------------
|
||||
* 1.00a drg/jz 01/21/10 First release
|
||||
* </pre>
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xparameters.h"
|
||||
#include "xttcps.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
extern XTtcPs_Config XTtcPs_ConfigTable[];
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Looks up the device configuration based on the unique device ID. A table
|
||||
* contains the configuration info for each device in the system.
|
||||
*
|
||||
* @param DeviceId contains the unique ID of the device
|
||||
*
|
||||
* @return
|
||||
*
|
||||
* A pointer to the configuration found or NULL if the specified device ID was
|
||||
* not found. See xttcps.h for the definition of XTtcPs_Config.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
XTtcPs_Config *XTtcPs_LookupConfig(u16 DeviceId)
|
||||
{
|
||||
XTtcPs_Config *CfgPtr = NULL;
|
||||
unsigned Index;
|
||||
|
||||
for (Index = 0; Index < XPAR_XTTCPS_NUM_INSTANCES; Index++) {
|
||||
if (XTtcPs_ConfigTable[Index].DeviceId == DeviceId) {
|
||||
CfgPtr = &XTtcPs_ConfigTable[Index];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return CfgPtr;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue