initial

node_modules/onoff/test/wait-for-interrupt.js

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+"use strict";
+
+const Gpio = require('../onoff').Gpio;
+const assert = require('assert');
+const button = new Gpio(4, 'in', 'both');
+
+assert(button.direction() === 'in');
+assert(button.edge() === 'both');
+
+console.info('Please press button connected to GPIO #4...');
+
+button.watch((err, value) => {
+  if (err) {
+    throw err;
+  }
+
+  assert(value === 0 || value === 1);
+
+  button.unexport();
+
+  console.log('ok - ' + __filename);
+  console.log('     button pressed, value was ' + value);
+});
+