2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
115 lines
4 KiB
C
Executable file
115 lines
4 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2002 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/****************************************************************************/
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/**
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*
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* @file xuartlite_l.c
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*
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* This file contains low-level driver functions that can be used to access the
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* device. The user should refer to the hardware device specification for more
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* details of the device operation.
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00b rpm 04/25/02 First release
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* 1.12a rpm 07/16/07 Fixed arg type for RecvByte
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* 2.00a ktn 10/20/09 The macros have been renamed to remove _m from the name.
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xuartlite_l.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Function Prototypes ******************************/
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/************************** Variable Prototypes ******************************/
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/****************************************************************************/
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/**
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*
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* This functions sends a single byte using the UART. It is blocking in that it
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* waits for the transmitter to become non-full before it writes the byte to
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* the transmit register.
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*
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* @param BaseAddress is the base address of the device
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* @param Data is the byte of data to send
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*
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* @return None.
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*
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* @note None.
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*
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******************************************************************************/
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void XUartLite_SendByte(u32 BaseAddress, u8 Data)
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{
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while (XUartLite_IsTransmitFull(BaseAddress));
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XUartLite_WriteReg(BaseAddress, XUL_TX_FIFO_OFFSET, Data);
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}
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/****************************************************************************/
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/**
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*
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* This functions receives a single byte using the UART. It is blocking in that
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* it waits for the receiver to become non-empty before it reads from the
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* receive register.
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*
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* @param BaseAddress is the base address of the device
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*
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* @return The byte of data received.
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*
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* @note None.
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*
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******************************************************************************/
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u8 XUartLite_RecvByte(u32 BaseAddress)
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{
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while (XUartLite_IsReceiveEmpty(BaseAddress));
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return (u8)XUartLite_ReadReg(BaseAddress, XUL_RX_FIFO_OFFSET);
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}
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