homebridge-dooyashade
Version:
Dooya Shade RS485 TO TCP
136 lines • 6.58 kB
JavaScript
import { ShadeCommand } from './commands.js';
import { CRC16 } from './utils.js';
/**
* Platform Accessory
* An instance of this class is created for each accessory your platform registers
* Each accessory may expose multiple services of different service types.
*/
export class DooyashadePlatformAccessory {
platform;
accessory;
service;
currentPosition;
targetPosition;
positionState;
constructor(platform, accessory) {
this.platform = platform;
this.accessory = accessory;
// 从存储中恢复状态，如果没有则使用默认值
const storedState = this.accessory.context.state || {};
this.currentPosition = storedState.currentPosition || 0;
this.targetPosition = storedState.targetPosition || 0;
this.positionState = storedState.positionState || this.platform.Characteristic.PositionState.STOPPED;
// set accessory information
this.accessory.getService(this.platform.Service.AccessoryInformation)
.setCharacteristic(this.platform.Characteristic.Manufacturer, 'Dooya')
.setCharacteristic(this.platform.Characteristic.Model, 'Shade')
.setCharacteristic(this.platform.Characteristic.SerialNumber, 'Default-Serial');
// get the WindowCovering service if it exists, otherwise create a new WindowCovering service
this.service = this.accessory.getService(this.platform.Service.WindowCovering) ||
this.accessory.addService(this.platform.Service.WindowCovering);
// set the service name, this is what is displayed as the default name on the Home app
this.service.setCharacteristic(this.platform.Characteristic.Name, accessory.context.device.shade.name);
// register handlers for the CurrentPosition Characteristic
this.service.getCharacteristic(this.platform.Characteristic.CurrentPosition)
.onGet(this.handleCurrentPositionGet.bind(this));
// register handlers for the TargetPosition Characteristic
this.service.getCharacteristic(this.platform.Characteristic.TargetPosition)
.onGet(this.handleTargetPositionGet.bind(this))
.onSet(this.handleTargetPositionSet.bind(this));
// register handlers for the PositionState Characteristic
this.service.getCharacteristic(this.platform.Characteristic.PositionState)
.onGet(this.handlePositionStateGet.bind(this));
}
/**
* Handle requests to get the current value of the "Current Position" characteristic
*/
async handleCurrentPositionGet() {
this.platform.log.debug('Get Characteristic CurrentPosition ->', this.currentPosition);
return this.currentPosition;
}
/**
* Handle requests to get the current value of the "Target Position" characteristic
*/
async handleTargetPositionGet() {
this.platform.log.debug('Get Characteristic TargetPosition ->', this.targetPosition);
return this.targetPosition;
}
/**
* Handle requests to set the "Target Position" characteristic
*/
async handleTargetPositionSet(value) {
this.targetPosition = value;
this.platform.log.debug('Set Characteristic TargetPosition ->', value);
// Update position state based on target position
if (this.targetPosition > this.currentPosition) {
this.positionState = this.platform.Characteristic.PositionState.INCREASING;
}
else if (this.targetPosition < this.currentPosition) {
this.positionState = this.platform.Characteristic.PositionState.DECREASING;
}
else {
this.positionState = this.platform.Characteristic.PositionState.STOPPED;
}
// Update the position state characteristic
this.service.updateCharacteristic(this.platform.Characteristic.PositionState, this.positionState);
// Send control command to the device
const { address1, address2 } = this.accessory.context.device.shade.address;
const hexPosition = ShadeCommand.convertPosition(this.targetPosition, true);
const command = ShadeCommand.createControlCommand(address1, address2, hexPosition);
const commandWithCRC = CRC16.appendCRC(command);
this.platform.log.debug('Sending control command:', {
address1,
address2,
targetPosition: this.targetPosition,
hexPosition,
command: command.toString('hex'),
commandWithCRC: commandWithCRC.toString('hex'),
});
const tcpManager = this.platform.getTCPManager(this.accessory.context.device.hub);
if (tcpManager) {
tcpManager.send(commandWithCRC);
// Device will automatically send feedback, no need to query position
}
}
/**
* Handle requests to get the current value of the "Position State" characteristic
*/
async handlePositionStateGet() {
this.platform.log.debug('Get Characteristic PositionState ->', this.positionState);
return this.positionState;
}
/**
* Query the current position from the device
*/
async queryPosition() {
const { address1, address2 } = this.accessory.context.device.shade.address;
const command = ShadeCommand.createQueryCommand(address1, address2);
const commandWithCRC = CRC16.appendCRC(command);
this.platform.log.debug('Sending query command:', {
address1,
address2,
command: command.toString('hex'),
commandWithCRC: commandWithCRC.toString('hex'),
});
const tcpManager = this.platform.getTCPManager(this.accessory.context.device.hub);
if (tcpManager) {
tcpManager.send(commandWithCRC);
}
}
updateCurrentPosition(position) {
this.currentPosition = position;
this.service.updateCharacteristic(this.platform.Characteristic.CurrentPosition, this.currentPosition);
// 更新运动状态
if (this.currentPosition === this.targetPosition) {
this.positionState = this.platform.Characteristic.PositionState.STOPPED;
this.service.updateCharacteristic(this.platform.Characteristic.PositionState, this.positionState);
}
// 保存状态到持久化存储
this.accessory.context.state = {
currentPosition: this.currentPosition,
targetPosition: this.targetPosition,
positionState: this.positionState,
};
}
}
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