bonescript/src/iic.js

Physical computing library for embedded Linux

// Copyright (C) 2013 - Texas Instruments, Jason Kridner
var bone = require('./bone');
var my = require('./my');

var m = {};
m.name = 'i2c';
m.module = my.require('i2c');
m.ports = bone.i2c;
m.events = {
    'data': ['data']
};
m.openPorts = {};
m.doOpen = function (args) {
    var path = args.port[0];
    if (m.ports[args.port[0]].path) path = m.ports[args.port[0]].path;
    if (typeof args.options !== typeof {}) args.options = {};
    args.options.device = path;
    var openPort = new m.module(args.port[1], args.options);
    return (openPort);
};

module.exports = {
    i2cOpen: my.wrapOpen(m, ['options']),
    i2cScan: my.wrapCall(m, 'scan', [], ['err', 'data']),
    i2cWriteByte: my.wrapCall(m, 'writeByte', ['byte'], ['err']),
    i2cWriteBytes: my.wrapCall(m, 'writeBytes', ['command', 'bytes'], ['err']),
    i2cReadByte: my.wrapCall(m, 'readByte', [], ['err', 'res']),
    i2cReadBytes: my.wrapCall(m, 'readBytes', ['command', 'length'], ['err', 'res']),
    i2cStream: my.wrapCall(m, 'stream', ['command', 'length', 'delay'], [])
}