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interrupt-receiver.js
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interrupt-receiver.js
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const express = require('express');
const app = express();
const util = require('util');
const {
exec
} = require('child_process');
var SX127x = require('../lib/sx127x');
var sx127x = new SX127x({
frequency: 434e6,
dio0Pin: 6, // BCM numbering (run `gpio readall` for info)
resetPin: 13, // BCM numbering (run `gpio readall` for info)
syncWord: 0x12,
debug: true,
tempCompensationFactor: 10,
});
async function receiveContinuous() {
try {
await sx127x.open();
await sx127x.setContinuousReceiveMode();
} catch(err) {
console.log(err)
}
sx127x.on('data', function(data, rssi, snr) {
console.log('data: ' + data.toString() + ", rssi: " + rssi);
});
while(true) {
await util.promisify(setTimeout)(1000);
}
}
receiveContinuous();
process.on('SIGINT', async function() {
// close the device
try {
await sx127x.close();
} catch (err) {
console.log('close failure: ' + err);
process.exit();
}
console.log("success");
process.exit();
});