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Add function to dynamically start devices

This commit is contained in:
deadprogram 2015-09-07 08:34:01 -07:00
parent 4ec19961f8
commit 8921e902eb
1 changed files with 31 additions and 18 deletions
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49
lib/robot.js
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@ -315,30 +315,43 @@ Robot.prototype.startDevices = function(callback) {
log("Starting devices."); log("Starting devices.");
var starters = _.map(this.devices, function(device, name) { var starters = _.map(this.devices, function(device) {
this[name] = device;
return function(cb) { return function(cb) {
if (device.started === true) { return this.startDevice(device, cb);
return cb.call(device); }.bind(this);
}
var str = "Starting device '" + name + "'";
if (device.pin) {
str += " on pin " + device.pin;
}
log(str + ".");
device.started = true;
return device.start.call(device, cb);
};
}, this); }, this);
return _.parallel(starters, callback); return _.parallel(starters, callback);
}; };
/**
* Starts a single device on Robot
*
* @param {Object} device to start
* @param {Function} callback function to be triggered after the device is
* started
* @return {void}
*/
Robot.prototype.startDevice = function(device, callback) {
if (device.started === true) {
return callback.call(device);
}
var log = this.log;
var str = "Starting device '" + device.name + "'";
if (device.pin) {
str += " on pin " + device.pin;
}
log(str + ".");
this[device.name] = device;
device.start.call(device, callback);
device.started = true;
return device.started;
};
/** /**
* Halts the Robot, attempting to gracefully stop devices and connections. * Halts the Robot, attempting to gracefully stop devices and connections.
* *