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Arduino WebIOPi未连接I2C设备警报_Arduino_Communication_Webiopi - Fatal编程技术网

Arduino WebIOPi未连接I2C设备警报

Arduino WebIOPi未连接I2C设备警报,arduino,communication,webiopi,Arduino,Communication,Webiopi,我正在与WebIOPi合作制作覆盆子Pi 2。树莓通过I2C Python脚本连接到Arduino Nano,与Nano配合良好-网页上的按钮可以打开或关闭LED 如果线路/导线I2C断开,与Arduino的连接断开时是否可能发出诊断Javascript警报 谢谢。用低级python脚本解决并返回一些值。 python脚本示例: try: bus.write_byte(address, int(value)) time.sleep(0.01) number = bus.r

我正在与WebIOPi合作制作覆盆子Pi 2。树莓通过I2C Python脚本连接到Arduino Nano,与Nano配合良好-网页上的按钮可以打开或关闭LED

如果线路/导线I2C断开,与Arduino的连接断开时是否可能发出诊断Javascript警报


谢谢。

用低级python脚本解决并返回一些值。 python脚本示例:

try:
    bus.write_byte(address, int(value))
    time.sleep(0.01)
    number = bus.read_byte(address)
    flag = number
except IOError:
    number = 11 #error value (my fantasy)
    flag = number
javascript中用于识别连接状态的flag变量,如果flag=11,则表示没有连接