STM32F103C8T6 CubeMX I2C EEPROM AT24C256

  1. 修改usart.c,将printf转为串口打印 /* USER CODE BEGIN 0 */ #include "stdio.h" int fputc(int ch, FILE *f) {     /* Place your implementation of fputc here */     /* e.g. write a character to the USART2 and L

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