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Microbit write bails out if not connected

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This commit is contained in:
Eric Rosenbaum 2018-07-12 14:41:28 -04:00
parent 0c21f739ec
commit a7f4fc2212
1 changed files with 1 additions and 0 deletions
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src/extensions/scratch3_microbit/index.js
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@ -250,6 +250,7 @@ class MicroBit {
* @private * @private
*/ */
_writeSessionData (command, message) { _writeSessionData (command, message) {
if (!this.getPeripheralIsConnected()) return;
const output = new Uint8Array(message.length + 1); const output = new Uint8Array(message.length + 1);
output[0] = command; // attach command to beginning of message output[0] = command; // attach command to beginning of message
for (let i = 0; i < message.length; i++) { for (let i = 0; i < message.length; i++) {