led+串口 重定向 STM32F030F4P6
重定向报错 axf: Error: L6200E: Symbol fgetc multiply defined (by usart.o and main.o).
把
#include "stdio.h"
int fputc(int ch, FILE *fp)
{
HAL_UART_Transmit(&huart1, (uint8_t *
led+串口 重定向 STM32F030F4P6
重定向报错 axf: Error: L6200E: Symbol fgetc multiply defined (by usart.o and main.o).
把
#include "stdio.h"
int fputc(int ch, FILE *fp)
{
HAL_UART_Transmit(&huart1, (uint8_t *