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需实现功能:外部设备通过引脚高低点平或通过通讯,给相机一个拍照信号,相机拍一次照,判断OK/NG,然后将信号传给外部设备
没什么问题啊。。。
while(引脚是高电平): 拍照 保存到sd卡 delay(几毫秒)