48 lines
964 B
C
48 lines
964 B
C
/*
|
|
* debug.c
|
|
*
|
|
* Created on: Oct 7, 2022
|
|
* Author: sanderspeetjens
|
|
*/
|
|
#include "debug.h"
|
|
|
|
extern UART_HandleTypeDef huart1;
|
|
|
|
int _write(int file, char *ptr, int len) {
|
|
HAL_StatusTypeDef xStatus;
|
|
switch (file) {
|
|
case STDOUT_FILENO: /*stdout*/
|
|
xStatus = HAL_UART_Transmit(&huart1, (uint8_t*)ptr, len, HAL_MAX_DELAY);
|
|
if (xStatus != HAL_OK) {
|
|
errno = EIO;
|
|
return -1;
|
|
}
|
|
break;
|
|
case STDERR_FILENO: /* stderr */
|
|
xStatus = HAL_UART_Transmit(&huart1, (uint8_t*)ptr, len, HAL_MAX_DELAY);
|
|
if (xStatus != HAL_OK) {
|
|
errno = EIO;
|
|
return -1;
|
|
}
|
|
break;
|
|
default:
|
|
errno = EBADF;
|
|
return -1;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
int _read(int fd, char* ptr, int len) {
|
|
HAL_StatusTypeDef hstatus;
|
|
|
|
if (fd == STDIN_FILENO) {
|
|
hstatus = HAL_UART_Receive(&huart1, (uint8_t *) ptr, 1, HAL_MAX_DELAY);
|
|
if (hstatus == HAL_OK)
|
|
return 1;
|
|
else
|
|
return EIO;
|
|
}
|
|
errno = EBADF;
|
|
return -1;
|
|
}
|