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#include "myprintf.h"
#include "stm32f1xx_hal.h"

#include <stdarg.h>  // va_list va_start va_end
#include <stdio.h>  // sprintf
#include <string.h>  // strlen

extern UART_HandleTypeDef huart1;

void UART1_Printf(const char* fmt, ...) {
    char buff[64];
    va_list args;
    va_start(args, fmt);
    vsnprintf(buff, sizeof(buff), fmt, args);
    HAL_UART_Transmit(&huart1, (uint8_t*)buff, strlen(buff), HAL_MAX_DELAY);
    va_end(args);
}

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#ifndef __MYPRINTF_H_
#define __MYPRINTF_H_
#ifdef __cplusplus
extern "C" {
#endif

void UART1_Printf(const char* fmt, ...);

#ifdef __cplusplus
}
#endif
#endif