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