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Support for multiple keyboards connected #9

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45 changes: 43 additions & 2 deletions cli.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

var fs = require('fs');
var Q = require('q');
var readline = require('readline');

var ihex = require('./ihex');
var programmer = require('./programmer');
Expand All @@ -22,8 +23,47 @@ var device = firmware.then(function() {
function find_device() {
return programmer.list_devices().then(function(devs) {
if (devs.length == 0) throw new Error('No devices found.');
if (devs.length > 1) throw new Error('More than one device found.');
console.log('Found device in ' + devs[0].mode + ' mode on bus ' + devs[0].device.busNumber + ', device ' + devs[0].device.deviceAddress + '.');

for (var i = 0; i < devs.length; i++) {
console.log('#' + i + ': Found device in ' + devs[i].mode + ' mode on bus ' + devs[i].device.busNumber + ', device ' + devs[i].device.deviceAddress + ':');
console.log(devs[i]);
console.log();
}

if (devs.length > 1) {
var programDevices = devs.filter(function(dev) {
return dev.mode === 'program';
});
if (programDevices.length === 1) {
var programDeviceIndex = devs.findIndex(function(dev) {
return dev.mode === 'program';
});
console.log(`Automatically selected device #${programDeviceIndex} (only device in program mode)`);
return devs[programDeviceIndex];
}

var deferred = Q.defer();

const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});

rl.question('Multiple devices found. Please select a device by ID from 0 to ' + (devs.length - 1) + ': ', function(answer) {
const deviceIndex = parseInt(answer, 10);
rl.close();

if (isNaN(deviceIndex) || deviceIndex < 0 || deviceIndex >= devs.length) {
deferred.reject(new Error('Invalid device selection.'));
} else {
console.log(`Selected device #${deviceIndex}`);
deferred.resolve(devs[deviceIndex]);
}
});

return deferred.promise;
}

return devs[0];
}).then(function(dev) {
if (dev.mode == 'normal') {
Expand Down Expand Up @@ -56,6 +96,7 @@ Q.all([firmware, device]).spread(function(firmware, device) {
});
}).then(function() {
console.log('Done.');
process.exit(0);
}).catch(function(err) {
console.log(err.toString());
process.exit(1);
Expand Down