pixdisp/drivers/pimoroniunicorn.js

29 lines
456 B
JavaScript

"use strict";
let { Driver } = require( './driver' );
class PimoroniUnicorn extends Driver {
constructor() {
super();
let SPI = require( 'pi-spi' );
this.spi = SPI.initialize( '/dev/spidev0.0' );
}
write( buffer ) {
this.spi.write(
Buffer.concat(
[ new Buffer( [ 0x72 ] ),
buffer ]
),
function ( err ) {
if ( err ) {
throw 'Failed writing buffer';
}
}
);
}
}
exports.PimoroniUnicorn = PimoroniUnicorn;