public static byte [ ] setDisplayClock ( byte divideRatio , byte oscillatorFrequency ) { if ( divideRatio < 0 || oscillatorFrequency < 0 ) { throw new IllegalArgumentException ( "Divide ratio and oscillator frequency must be non-negative." ) ; } byte param = ( byte ) ( ( oscillatorFrequency << 4 ) & divideRatio ) ; return new byte [ ] { COMMAND_CONTROL_BYTE , SET_DISPLAY_CLOCK , COMMAND_CONTROL_BYTE , param } ; }
timing configuration commands