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Generate the prefix according to payload #11

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Merged
codetheweb merged 3 commits into from
Dec 4, 2017
Merged

Generate the prefix according to payload #11

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50ea191
Update index.js
jepsonrob Dec 3, 2017
a8a3778
Update index.js
jepsonrob Dec 3, 2017
f1d8c09
Merge branch 'master' into master
codetheweb Dec 4, 2017
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20 changes: 16 additions & 4 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,13 +49,18 @@ TuyaDevice.prototype.getStatus = function (callback) {
}
if ('devId' in requests[this.type].status.command) {
requests[this.type].status.command.devId = this.id;
}
}

// Create byte buffer from hex data
const thisData = Buffer.from(JSON.stringify(requests[this.type].status.command));
const buffer = Buffer.from(requests[this.type].status.prefix + thisData.toString('hex') + requests[this.type].status.suffix, 'hex');
// Create data prefix
const prefixSum = (thisData.toString('hex').length + requests[this.type].status.suffix.length) / 2;
const commandType = '0a';
const prefix = '000055aa0000006c000000' + commandType + '000000' + prefixSum.toString(16);
const buffer = Buffer.from(prefix + thisData.toString('hex') + requests[this.type].status.suffix, 'hex');

this._send(buffer).then(data => {

this._send(buffer).then(data => {
// Extract returned JSON
try {
data = data.toString();
Expand All @@ -68,6 +73,8 @@ TuyaDevice.prototype.getStatus = function (callback) {
});
};



/**
* Sets the device's status.
* @param {boolean} on - `true` for on, `false` for off
Expand Down Expand Up @@ -106,7 +113,12 @@ TuyaDevice.prototype.setStatus = function (on, callback) {

// Create byte buffer from hex data
const thisData = Buffer.from(this.version + md5 + data);
const buffer = Buffer.from(thisRequest.prefix + thisData.toString('hex') + thisRequest.suffix, 'hex');
// Create data prefix
const prefixSum = (thisData.toString('hex').length + requests[this.type].status.suffix.length) / 2;
const commandType = '07';
const prefix = '000055aa0000006c000000' + commandType + '000000' + prefixSum.toString(16);
const buffer = Buffer.from(prefix + thisData.toString('hex') + thisRequest.suffix, 'hex');


// Send request to change status
this._send(buffer).then(data => {
Expand Down