48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
import Device from '@uci/i2c-device'
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// import Device from '../../uci-i2c-device/src/device-packet'
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import commands from './commands'
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import logger from '@uci-utils/logger'
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let log = {}
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class MCP230XX extends Device {
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constructor(opts) {
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super(opts)
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log = logger({
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file: 'src/mcp230xx.js',
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class: 'MCP230XX',
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name: 'mcp',
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id: this.id
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})
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this.chip17 = opts.chip17
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this.chipCfg = opts.chipCfg || 'default'
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// this._configured = false
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this.commands = this.bindFuncs(commands)
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this.addNamespace('commands', 's') // allow access to commands via socket/server
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// this._pin = this.commands.pin // add a simplier reference for local access
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// this._chipcfg = this.commands.chip.cfg // add a simplier reference for local access
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this.once('ready:i2c', () =>{
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this.configure()
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if (this._ready) this._ready.call(this)
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})
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}
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async registerReadyFunc(func) {
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this._ready = func
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}
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async configure() {
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let res = await this.commands.chip.cfg({cfg:this.chipCfg})
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if (res.error) {
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let err={level:'fatal', msg:'unable to configure mcp chip', error:res.error, cfg:this.chipCfg, address:this.address}
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log.fatal(err)
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this.emit('status', err)
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} else {
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this.emit('status', {level:'info', msg:'mcp chip was properly configured', cfg:this.chipCfg})
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this.emit('ready:mcp')
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}
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}
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} // end of MCP230XX Class
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export default MCP230XX
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