digitalReadBitmap()
Digital input function (batch)
Reads the values of the input-configured ports in batch.
Included in MWX library version 0.1.4 and later.
uint32_t digitalReadBitmap()
Values are stored in order from the LSB side: DIO0 … DIO19.
Pins on the HIGH side are set to 1, and pins on the LOW side are set to 0.
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