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GPIO_read的读取速度小于发送端发送的速度时会怎么处理来不及接收 的数据？GPIO_read会有缓存接未来得及读取的数据吗？
user6123042 说：GPIO_read的读取速度小于发送端发送的速度时会怎么处理来不及接收 的数据？
您现在是想实现什么功能呢？
Reads the value of a GPIO pin.
The value returned will either be zero or one depending on the state of the pin.
这个函数只是读取GPIO高低电平
建議不要一直重複貼文
