57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
var SX127x = require('../index'); // or require('sx127x')
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var sx127x = new SX127x({
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frequency: 866e6,
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resetPin: 17,
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dio0Pin: 4,
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syncWord: 0x22,
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crc: true
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});
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var count = 0;
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// open the device
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sx127x.open(function(err) {
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console.log('open', err ? err : 'success');
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if (err) {
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throw err;
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}
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// add a event listener for data events
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sx127x.on('data', function(data, rssi) {
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//console.log('Origin Data: ', data, data.length);
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console.log('data:', '\'' + data.toString() + '\'', rssi);
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let json = {};
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try{
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json = JSON.parse(data.toString());
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if(json.count % 5 == 0){
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setTimeout(function(){
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sx127x.write(new Buffer('Count is ' + json.count), err => {
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console.log('write data', new Buffer('Count is ' + json.count));
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if(err) console.log('send error' , err);
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setRX()
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});
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}, 1000);
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}
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}catch(e){}
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});
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setRX();
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});
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function setRX(){
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// enable receive mode
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sx127x.receive(function(err) {
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console.log('receive', err ? err : 'success');
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});
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}
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process.on('SIGINT', function() {
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// close the device
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sx127x.close(function(err) {
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console.log('close', err ? err : 'success');
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process.exit();
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});
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});
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