59 lines
1.0 KiB
C
59 lines
1.0 KiB
C
/*
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* printf.c
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*
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* Created on: 30 nov. 2020
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* Author: rpaz
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*/
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#include "main.h"
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#include "cmsis_os.h"
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#include "semphr.h"
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extern UART_HandleTypeDef huart1;
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extern SemaphoreHandle_t xSemaphore;
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void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
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{
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static signed long xHigherPriorityTaskWoken = pdFALSE;
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xSemaphoreGiveFromISR(xSemaphore, xHigherPriorityTaskWoken);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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int __io_putchar(int ch)
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{
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BaseType_t status = xSemaphoreTake(xSemaphore, 0xffff);
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HAL_UART_Transmit_IT(&huart1, (uint8_t*) &ch, 1);
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//while(HAL_OK != HAL_UART_Transmit(&huart1, (uint8_t*)&ch, 1, 30000))
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//{
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// ;
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//}
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return ch;
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}
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void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
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{
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static signed long xHigherPriorityTaskWoken = pdFALSE;
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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int __io_getchar(void)
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{
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uint8_t ch = 0;
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//while(HAL_OK != HAL_UART_Receive(&huart1, &ch, 1, 30000))
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//{
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// ;
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//}
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HAL_UART_Receive(&huart1, &ch, 1, 0);
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return ch;
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}
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