42 lines
881 B
C
42 lines
881 B
C
/**
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* @file log.c
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* @brief Logger implementation
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* @authors Lorenz C. && Sander S.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "log.h"
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#include "stm32f7xx_hal.h"
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extern UART_HandleTypeDef huart1;
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/**
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* @brief Get the current timestamp to be used in the logger
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*
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* @return The current timestamp in milliseconds since boot
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*/
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int _write(int file, char* data, int len) {
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HAL_StatusTypeDef status;
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switch (file) {
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case STDOUT_FILENO:
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case STDERR_FILENO:
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status = HAL_UART_Transmit(&huart1, (uint8_t*)data, len, HAL_MAX_DELAY);
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if (status != HAL_OK) {
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errno = EIO;
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return -1;
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}
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break;
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default:
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errno = EBADF;
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return -1;
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}
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return len;
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}
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uint32_t logger_get_timestamp(void) {
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return HAL_GetTick();
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} |