51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
|
'use strict'
|
||
|
|
|
||
|
|
// **********************************
|
||
|
|
|
||
|
|
class Device {
|
||
|
|
// bus is i2c-bus bus object
|
||
|
|
constructor(bus, address, opts) {
|
||
|
|
this.bus = bus.methods // artifact of adapting ic2-bus to class format
|
||
|
|
this.address = address
|
||
|
|
if (opts){
|
||
|
|
this.id = opts.id // must be unique within a bus
|
||
|
|
this.desc = opts.desc
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
readRaw(length,buffer) {
|
||
|
|
return this.bus.i2cRead_p(this.address, length, buffer)
|
||
|
|
}
|
||
|
|
|
||
|
|
writeRaw(length,buffer) {
|
||
|
|
return this.bus.i2cWrite_p(this.address, length, buffer)
|
||
|
|
}
|
||
|
|
|
||
|
|
read(cmd) {
|
||
|
|
return this.bus.readByte_p(this.address, cmd)
|
||
|
|
}
|
||
|
|
|
||
|
|
write(cmd, byte) {
|
||
|
|
return this.bus.writeByte_p(this.address, cmd, byte)
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
read2(cmd) {
|
||
|
|
return this.bus.readWord_p(this.address, cmd)
|
||
|
|
}
|
||
|
|
|
||
|
|
write2(cmd, bytes) {
|
||
|
|
return this.bus.writeWord_p(this.address, cmd, bytes)
|
||
|
|
}
|
||
|
|
|
||
|
|
// command with more than two bytes following
|
||
|
|
readBytes(){}
|
||
|
|
writeBytes(){}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = Device;
|