xmclib/XMCLib/examples/XMC4500_series/UART/UART_PRINTF/retarget.c
2024-10-17 17:09:59 +02:00

102 lines
2.7 KiB
C

/*
* Copyright (C) 2014 Infineon Technologies AG. All rights reserved.
*
* Infineon Technologies AG (Infineon) is supplying this software for use with
* Infineon's microcontrollers.
* This file can be freely distributed within development tools that are
* supporting such microcontrollers.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
*/
/**
* @file
* @date 22 July,2015
* @version 1.0.0
*
* @brief UART demo example
*
* History <br>
*
* Version 1.0.0 Initial <br>
*/
#include <stdio.h>
#include <xmc_uart.h>
#if defined(__GNUC__)
int _write(int fd, char *ptr, int len)
{
for (int i = 0; i < len; ++i)
{
XMC_UART_CH_Transmit(XMC_UART0_CH0, ptr[i]);
}
return len;
}
#endif
#if defined(__ICCARM__)
size_t __write(int Handle, const unsigned char * Buf, size_t Bufsize)
{
for (int i = 0; i < Bufsize; ++i)
{
XMC_UART_CH_Transmit(XMC_UART0_CH0, Buf[i]);
}
return Bufsize;
}
#endif
#if defined(__CC_ARM)
/*----------------------------------------------------------------------------
* Name: Retarget.c
* Purpose: 'Retarget' layer for target-dependent low level functions
* Note(s):
*----------------------------------------------------------------------------
* This file is part of the µVision/ARM development tools.
* This software may only be used under the terms of a valid, current,
* end user licence from KEIL for a compatible version of KEIL software
* development tools. Nothing else gives you the right to use this software.
*
* This software is supplied "AS IS" without warranties of any kind.
*
* Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
*----------------------------------------------------------------------------*/
#include <rt_misc.h>
#pragma import(__use_no_semihosting_swi)
struct __FILE { int handle; /* Add whatever you need here */ };
FILE __stdout;
FILE __stdin;
int fputc(int c, FILE *f) {
XMC_UART_CH_Transmit(XMC_UART0_CH0, c);
return c;
}
int ferror(FILE *f) {
/* Your implementation of ferror */
return EOF;
}
void _ttywrch(int c) {
XMC_UART_CH_Transmit(XMC_UART0_CH0, c);
while ((XMC_UART_CH_GetStatusFlag(XMC_UART0_CH0) & XMC_UART_CH_STATUS_FLAG_TRANSMIT_BUFFER_INDICATION) == 0);
}
void _sys_exit(int return_code) {
label: goto label; /* endless loop */
}
#endif