STM32F103C6T6A+BQ7694003+STM32CubeIDE+HAL库 示例

1.在STM32CubeIDE中设置引脚，配置默认，如图1所示。

图1 引脚配置

 2.添加代码GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;详见https://blog.youkuaiyun.com/zhenglu777999/article/details/124221590https://blog.youkuaiyun.com/zhenglu777999/article/details/124221590

3.添加BQ76940.h文件，开启log串口打印函数，如图2所示。

/* USER CODE BEGIN Includes */
#include <bq76940.h>

#include <stdio.h>
#ifdef __GNUC__
#define P