28 lines
550 B
JavaScript
28 lines
550 B
JavaScript
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var fs = require('fs');
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// Post 3.18.x kernel
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var sysFsPath = '/sys/class/gpio/gpio';
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var pinMapping = {
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'16': 23
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};
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function open(pinNumber, direction, callback) {
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const path = sysFsPath + pinMapping[pinNumber] + '/direction';
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fs.writeFile(path, direction, (callback || noOp));
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}
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function write(pinNumber, value, callback) {
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const path = sysFsPath + pinMapping[pinNumber] + '/value';
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value = !!value ? '1' : '0';
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fs.writeFile(path, value, 'utf8', callback);
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}
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function noOp() {}
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module.exports = {
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open: open,
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write: write
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};
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