Files
EPD-nRF5/components/libraries/uart/retarget.c
Shuanglei Tao f353d23368 Initial commit
2024-11-11 15:35:36 +08:00

82 lines
1.5 KiB
C

/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#ifndef NRF_LOG_USES_RTT
#include <stdio.h>
#include <stdint.h>
#include "app_uart.h"
#include "nordic_common.h"
#include "nrf_error.h"
#if !defined(__ICCARM__)
struct __FILE
{
int handle;
};
#endif
FILE __stdout;
FILE __stdin;
#if defined(__CC_ARM) || defined(__ICCARM__)
int fgetc(FILE * p_file)
{
uint8_t input;
while (app_uart_get(&input) == NRF_ERROR_NOT_FOUND)
{
// No implementation needed.
}
return input;
}
int fputc(int ch, FILE * p_file)
{
UNUSED_PARAMETER(p_file);
UNUSED_VARIABLE(app_uart_put((uint8_t)ch));
return ch;
}
#elif defined(__GNUC__)
int _write(int file, const char * p_char, int len)
{
int i;
UNUSED_PARAMETER(file);
for (i = 0; i < len; i++)
{
UNUSED_VARIABLE(app_uart_put(*p_char++));
}
return len;
}
int _read(int file, char * p_char, int len)
{
UNUSED_PARAMETER(file);
while (app_uart_get((uint8_t *)p_char) == NRF_ERROR_NOT_FOUND)
{
// No implementation needed.
}
return 1;
}
#endif
#endif // #ifndef NRF_LOG_USES_RTT