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Fixing #1455: set LED to blue on connecting.

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Evelyn Eastmond 2018-08-14 11:52:07 -04:00
parent 9f25872c1f
commit 3023b7a9c2
1 changed files with 7 additions and 4 deletions
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11
src/extensions/scratch3_wedo2/index.js
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@ -345,6 +345,7 @@ class WeDo2 {
/** /**
* Set the WeDo 2.0 hub's LED to a specific color. * Set the WeDo 2.0 hub's LED to a specific color.
* @param {int} rgb - a 24-bit RGB color in 0xRRGGBB format. * @param {int} rgb - a 24-bit RGB color in 0xRRGGBB format.
* @return {Promise} - a promise of the set led send operation.
*/ */
setLED (rgb) { setLED (rgb) {
const cmd = new Uint8Array(6); const cmd = new Uint8Array(6);
@ -355,7 +356,7 @@ class WeDo2 {
cmd[4] = (rgb >> 8) & 0x000000FF; cmd[4] = (rgb >> 8) & 0x000000FF;
cmd[5] = (rgb) & 0x000000FF; cmd[5] = (rgb) & 0x000000FF;
this._send(UUID.OUTPUT_COMMAND, Base64Util.uint8ArrayToBase64(cmd)); return this._send(UUID.OUTPUT_COMMAND, Base64Util.uint8ArrayToBase64(cmd));
} }
/** /**
@ -445,18 +446,20 @@ class WeDo2 {
} }
/** /**
* Sets LED mode and starts reading data from device after BLE has connected. * Sets LED mode and initial color and starts reading data from device after BLE has connected.
* @private * @private
*/ */
_onConnect () { _onConnect () {
// set LED input mode to RGB // set LED input mode to RGB
this._setLEDMode() this._setLEDMode()
.then(() => {
// set LED to blue
this.setLED(0x0000FF);
})
.then(() => { .then(() => {
// register for attached io notifications // register for attached io notifications
this._ble.read(UUID.DEVICE_SERVICE, UUID.ATTACHED_IO, true, this._onMessage); this._ble.read(UUID.DEVICE_SERVICE, UUID.ATTACHED_IO, true, this._onMessage);
}); });
// this._setVolume();
} }
/** /**