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32 lines
623 B
C
32 lines
623 B
C
3 years ago
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#include "putil.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#define MAX_PRINTF_BUFFER (256)
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UART_HandleTypeDef* huart_inst = NULL;
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int p_printf(const char* fmt, ...)
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{
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size_t size_str = strlen(fmt);
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if (size_str >= MAX_PRINTF_BUFFER)
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{
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return -1;
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}
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uint8_t printf_buffer[MAX_PRINTF_BUFFER];
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memset(printf_buffer, '\0', MAX_PRINTF_BUFFER);
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va_list args;
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va_start(args, fmt);
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vsprintf((char*)printf_buffer, fmt, args);
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va_end(args);
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HAL_UART_Transmit(huart_inst, printf_buffer, strlen(printf_buffer), 100);
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return 0;
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}
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void p_uart_init(UART_HandleTypeDef* huart)
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{
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huart_inst = huart;
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}
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