首先引用#include<stdio.h>
配置好串口后
extern uint8_t u_buf[256];
#define printf(...) HAL_UART_Transmit(&huart1,\
(uint8_t *)u_buf,\
sprintf((char*)u_buf,__VA_ARGS__),\
0XFFFF)
uint8_t u_buf[]数组不要忘了定义
首先引用#include<stdio.h>
配置好串口后
extern uint8_t u_buf[256];
#define printf(...) HAL_UART_Transmit(&huart1,\
(uint8_t *)u_buf,\
sprintf((char*)u_buf,__VA_ARGS__),\
0XFFFF)
uint8_t u_buf[]数组不要忘了定义
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