pub fn write_display_state(&self) {
        self.start();
        // bits 0-2 brightness; bit 3 is on/off
        self.write_byte_and_wait_ack(ISA::DisplayControlOff as u8 | self.brightness);
        self.stop();
    }
/// Send command that sets the display state on the micro controller.
Send command that sets the display state on the micro controller.
Send command that sets the display state on the micro controller .
pub fn write_display_state(&self) {
        self.start();
        // bits 0-2 brightness; bit 3 is on/off
        self.write_byte_and_wait_ack(ISA::DisplayControlOff as u8 | self.brightness);
        self.stop();
    }
pub fn write_display_state ( & self ) { self . start ( ) ; // bits 0-2 brightness; bit 3 is on/off self . write_byte_and_wait_ack ( ISA :: DisplayControlOff as u8 | self . brightness ) ; self . stop ( ) ; }
Send command that sets the display state on the micro controller.
Send command that sets the display state on the micro controller .
&self