nes-proj/cpu/arm/aducrf101/Common/IAR/Retarget.c

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/**
* Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
Module : Retarget.c
Description : uart interface
Date : December 2012
Version : v2.00
Changelog : v1.00 Initial
v2.00 use of UrtLib functions
*/
#include <include.h>
#include "UrtLib.h"
#include <stdio.h>
#include <string.h>
#include <stddef.h>
#define CR 0x0D
/*************************************************************************/
/* size_t __read(int handle,unsigned char *buf,size_t bufSize) */
/* Write data to a stream */
/* Needed for retargetting the IAR DLIB library for the ADUCRF101 */
/*************************************************************************/
size_t __read(int handle,unsigned char *buf,size_t bufSize)
{
size_t i;
for (i=0x0; i<bufSize;i++)
{
// Wait for character available
while(!(COMLSR_DR==(pADI_UART->COMLSR & COMLSR_DR)));
buf[i] = pADI_UART->COMRX;
}
return i;
}
/*************************************************************************/
/* __write(int handle,const unsigned char *buf,size_t bufSize) */
/* Read data from a stream */
/* Needed for retargetting the IAR DLIB library for the ADUCRF101 */
/*************************************************************************/
size_t __write(int handle,const unsigned char *buf,size_t bufSize)
{
size_t i;
for (i=0x0; i<bufSize;i++)
{
if (buf[i] == '\n')
{
while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
UrtTx(0, 0x0D);
}
while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
UrtTx(0, buf[i]);
}
return i;
}