spimatrixGo_WriteMax7219.go

func writeMax7219(addr byte, value byte) {
    // The csPin (chip select) is set to LOW to direct the MAX7219 to accept data from the MOSI line.
    // Setting it to HIGH at the end of the function directs the MAX7219 to ignore data on the MOSI line.
    csPin.Low()
    writeMax7219Byte(addr)
    writeMax7219Byte(value)
    csPin.High()
}