260 lines
8.2 KiB
C
Executable file
260 lines
8.2 KiB
C
Executable file
/******************************************************************************
|
|
*
|
|
* (c) Copyright 2007-2013 Xilinx, Inc. All rights reserved.
|
|
*
|
|
* This file contains confidential and proprietary information of Xilinx, Inc.
|
|
* and is protected under U.S. and international copyright and other
|
|
* intellectual property laws.
|
|
*
|
|
* DISCLAIMER
|
|
* This disclaimer is not a license and does not grant any rights to the
|
|
* materials distributed herewith. Except as otherwise provided in a valid
|
|
* license issued to you by Xilinx, and to the maximum extent permitted by
|
|
* applicable law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND WITH ALL
|
|
* FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS,
|
|
* IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
|
|
* MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE;
|
|
* and (2) Xilinx shall not be liable (whether in contract or tort, including
|
|
* negligence, or under any other theory of liability) for any loss or damage
|
|
* of any kind or nature related to, arising under or in connection with these
|
|
* materials, including for any direct, or any indirect, special, incidental,
|
|
* or consequential loss or damage (including loss of data, profits, goodwill,
|
|
* or any type of loss or damage suffered as a result of any action brought by
|
|
* a third party) even if such damage or loss was reasonably foreseeable or
|
|
* Xilinx had been advised of the possibility of the same.
|
|
*
|
|
* CRITICAL APPLICATIONS
|
|
* Xilinx products are not designed or intended to be fail-safe, or for use in
|
|
* any application requiring fail-safe performance, such as life-support or
|
|
* safety devices or systems, Class III medical devices, nuclear facilities,
|
|
* applications related to the deployment of airbags, or any other applications
|
|
* that could lead to death, personal injury, or severe property or
|
|
* environmental damage (individually and collectively, "Critical
|
|
* Applications"). Customer assumes the sole risk and liability of any use of
|
|
* Xilinx products in Critical Applications, subject only to applicable laws
|
|
* and regulations governing limitations on product liability.
|
|
*
|
|
* THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS PART OF THIS FILE
|
|
* AT ALL TIMES.
|
|
*
|
|
*******************************************************************************/
|
|
/******************************************************************************/
|
|
/**
|
|
* @file mbox_example.c
|
|
*
|
|
* This file contains a design example for using the Mailbox hardware and driver
|
|
* XMbox
|
|
*
|
|
* The example assumes there are two processors availabile in the system that
|
|
* are expected to inter-communicate.
|
|
*
|
|
* This example has been tested on ML505 Hardware Evaluation board.
|
|
*
|
|
* @note
|
|
*
|
|
* These code fragments will illustrate how the XMbox component can be used to:
|
|
* - Initialize the Mailbox core
|
|
* - Pass data between two processes
|
|
*
|
|
*
|
|
*<pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- ---- -------- -----------------------------------------------
|
|
* 1.00a va First release
|
|
* 1.00a ecm 06/09/07 Cleanup, new coding standard, check into XCS
|
|
* 3.01a sdm 05/06/10 Cleanup for coding guidelines
|
|
*</pre>
|
|
*******************************************************************************/
|
|
|
|
/***************************** Include Files **********************************/
|
|
|
|
#include "xmbox.h"
|
|
#include "xstatus.h"
|
|
#include "xparameters.h"
|
|
|
|
/************************** Constant Definitions *****************************/
|
|
|
|
#define MSGSIZ 1024 /* Size of the actual Message */
|
|
|
|
#define HELLO_SIZE 40 /* Size of the Hello Message */
|
|
|
|
#if XPAR_CPU_ID == 2
|
|
#define MY_CPU_ID 1
|
|
#else
|
|
#define MY_CPU_ID XPAR_CPU_ID
|
|
#endif
|
|
|
|
|
|
/**************************** Type Definitions *******************************/
|
|
|
|
/***************** Macros (Inline Functions) Definitions *********************/
|
|
|
|
#define printf xil_printf /* A smaller footprint printf */
|
|
|
|
/************************** Variable Definitions *****************************/
|
|
|
|
char *Role[2] = { "PRODUCER",
|
|
"CONSUMER" };
|
|
|
|
extern char data[];
|
|
char *SendMsg = data;
|
|
char RecvMsg[MSGSIZ] __attribute__ ((aligned(4)));
|
|
|
|
u32 temp1pad = 0;
|
|
char *hello = "Hello! The Producer greets the Consumer...";
|
|
u32 temp2pad = 0;
|
|
char *rhello = "Hello! The Consumer greets the Producer...";
|
|
|
|
/************************** Function Prototypes ******************************/
|
|
|
|
int ProdCon (void);
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* This function is the main function for the mailbox example.
|
|
*
|
|
* @param None.
|
|
*
|
|
* @return XST_SUCCESS if successful, XST_FAILURE if unsuccessful.
|
|
*
|
|
* @note None.
|
|
*
|
|
******************************************************************************/
|
|
int main(void)
|
|
{
|
|
int Status;
|
|
|
|
printf ("-- Entering main() --\r\n");
|
|
printf ("PRODCON :\tStarts.\r\n");
|
|
|
|
Status = ProdCon();
|
|
if (Status != XST_SUCCESS) {
|
|
printf ("PRODCON :\tFailed.\r\n");
|
|
} else {
|
|
printf ("PRODCON :\tSucceeded.\r\n");
|
|
}
|
|
|
|
printf ("PRODCON :\tEnds.\r\n");
|
|
printf ("-- Exiting main() --\r\n");
|
|
|
|
return Status;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/**
|
|
*
|
|
* This function performs the producer and consumer console functionality.
|
|
* At compile time the role, producer or consumer, is determined.
|
|
*
|
|
* @param None.
|
|
*
|
|
* @return XST_SUCCESS.
|
|
*
|
|
* @note None.
|
|
*
|
|
*******************************************************************************/
|
|
int ProdCon ()
|
|
{
|
|
XMbox Mbox;
|
|
XMbox_Config *ConfigPtr;
|
|
int Status;
|
|
u32 NumBytes;
|
|
u32 Sent;
|
|
u32 Rcvd;
|
|
int Index;
|
|
|
|
printf ("(%s):\tStarts.\r\n", Role[MY_CPU_ID]);
|
|
|
|
/*
|
|
* Lookup configuration data in the device configuration table.
|
|
* Use this configuration info down below when initializing this
|
|
* component.
|
|
*/
|
|
ConfigPtr = XMbox_LookupConfig(XPAR_MBOX_4_DEVICE_ID );
|
|
if (ConfigPtr == (XMbox_Config *)NULL) {
|
|
printf ("(%s):\tLookupConfig Failed.%8.8x\r\n",
|
|
Role[MY_CPU_ID], XPAR_MBOX_4_DEVICE_ID );
|
|
return XST_FAILURE;
|
|
}
|
|
|
|
/*
|
|
* Perform the rest of the initialization
|
|
*/
|
|
Status = XMbox_CfgInitialize(&Mbox, ConfigPtr, ConfigPtr->BaseAddress);
|
|
if (Status != XST_SUCCESS) {
|
|
return XST_FAILURE;
|
|
}
|
|
|
|
#if MY_CPU_ID == 0
|
|
/* First send the hello */
|
|
printf ("CPU 0 WriteBlocking call\n");
|
|
/* Write a message to the Mbox */
|
|
XMbox_WriteBlocking(&Mbox, (u32*)((u8*)hello), HELLO_SIZE);
|
|
|
|
printf ("(%s):\tsent %d bytes.\r\n", Role[MY_CPU_ID], HELLO_SIZE);
|
|
|
|
printf ("(%s):\tSuccessfully sent the message --> \r\n\r\n\t--[%s]--\r\n\r\n", Role[MY_CPU_ID], hello);
|
|
#else
|
|
/* First recv the hello */
|
|
printf ("CPU 1 ReadBlocking call\n");
|
|
/* Read a message from the Mbox */
|
|
XMbox_ReadBlocking(&Mbox, (u32*)(RecvMsg), HELLO_SIZE);
|
|
|
|
printf ("(%s):\tSuccessfully Rcvd the message --> \r\n\r\n\t--[%s]--\r\n\r\n", Role[MY_CPU_ID], RecvMsg);
|
|
#endif
|
|
|
|
#if MY_CPU_ID == 0
|
|
/* Now get back a hello */
|
|
/* Read a message from the Mbox */
|
|
printf ("CPU 0 ReadBlocking call\n");
|
|
XMbox_ReadBlocking (&Mbox, (u32*)(RecvMsg), HELLO_SIZE);
|
|
|
|
printf ("(%s):\tSuccessfully Rcvd the message --> \r\n\r\n\t--[%s]--\r\n\r\n", Role[MY_CPU_ID], RecvMsg);
|
|
#else
|
|
/* First recv the hello */
|
|
NumBytes = 0;
|
|
/* Write a message to the Mbox */
|
|
printf ("CPU 1 WriteBlocking call\n");
|
|
XMbox_WriteBlocking (&Mbox, (u32*)((u8*)rhello), HELLO_SIZE);
|
|
|
|
printf ("(%s):\tsent %d bytes.\r\n", Role[MY_CPU_ID], Sent);
|
|
|
|
printf ("(%s):\tSuccessfully sent the message --> \r\n\r\n\t--[%s]--\r\n\r\n",
|
|
Role[MY_CPU_ID], rhello);
|
|
#endif
|
|
|
|
|
|
#if MY_CPU_ID == 0
|
|
/* Now send the full message */
|
|
printf ("(%s):\tNow sending the actual message -->\r\n",
|
|
Role[MY_CPU_ID]);
|
|
/* Write a message to the Mbox */
|
|
XMbox_WriteBlocking (&Mbox, (u32*)(SendMsg), MSGSIZ);
|
|
|
|
printf ("(%s):\tSuccessfully sent the full message.\r\n",
|
|
Role[MY_CPU_ID]);
|
|
#else
|
|
/* Now recv the full message */
|
|
printf ("(%s):\tNow receiving the actual message -->\r\n",
|
|
Role[MY_CPU_ID]);
|
|
/* Read a message from the Mbox */
|
|
XMbox_ReadBlocking (&Mbox, (u32*)(RecvMsg), MSGSIZ);
|
|
|
|
printf ("(%s):\tSuccessfully Rcvd the full message.\r\n",
|
|
Role[MY_CPU_ID]);
|
|
|
|
if (memcmp (RecvMsg, data, MSGSIZ)) {
|
|
printf ("(%s):\tError! Rcvd message does not match expected.\r\n",
|
|
Role[MY_CPU_ID]);
|
|
return XST_FAILURE;
|
|
} else {
|
|
printf ("(%s):\tSuccess! Rcvd message does match expected.\r\n",
|
|
Role[MY_CPU_ID]);
|
|
}
|
|
#endif
|
|
|
|
printf ("(%s):\tEnds.\r\n", Role[MY_CPU_ID]);
|
|
return XST_SUCCESS;
|
|
}
|