openaps-menu/index.js at master · TwistaTim/openaps-menu · GitHub

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// oaps-hid/index.js

/*jslint node: true */
/*jslint esversion: 6 */

'use strict';


const i2c = require('i2c-bus');
const path = require('path');
const pngparse = require('pngparse');
const extend = require('extend');

var i2cBus = i2c.openSync(1);

// setup the display
var displayConfig = require('./config/display.json');
displayConfig.i2cBus = i2cBus;
var display = require('./lib/display/ssd1306')(displayConfig);

// display the logo
pngparse.parseFile('./static/unicorn.png', function(err, image) {
  if(err)
    throw err
  display.clear();
  display.oled.drawBitmap(image.data);
});

// setup battery voltage monitor
var voltageConfig = require('./config/voltage.json')
voltageConfig.i2cBus = i2cBus
var voltage = require('./lib/voltage/voltage')(voltageConfig)

// setup socket server for external commands
var batteryConfig = require('./config/battery.json')
var socketServer = require('./lib/socket-server/socket-server')({
  voltage: voltage,
  battery: batteryConfig
})
socketServer
.on('error', (err) => {
  console.log('socket-server error: ', err.reason)
})
.on('warning', (warn) => {
  console.log('socket-server warning: ', warn.reason)
})


// setup the menus
var buttonsConfig = require('./config/buttons.json');
var menuConfig = {
  menuFile: process.cwd() + path.sep + './config/menus/menu.json', // file path for the menu definition
  onChange: showMenu, // method to call when menu changes
  menuSettings: {
    displayLines: displayConfig.displayLines - 1, // one line is used for menu title
    moreUpLabel: "  ^ ^ ^",
    moreDownLabel: "  v v v"
  }
};
var hidMenu = require('./lib/hid-menu/hid-menu')(buttonsConfig, menuConfig);

// configure menu events
hidMenu
.on('nothing', function () {
})
.on('showvoltage', function () {
  voltage()
  .then(function (v) {
    display.clear();
    display.write('Voltage: ' + v);
  })
  .catch(function (e) {
    console.log(e.toString());
  });
})
.on('menu_changed', function () {
  showMenu(hidMenu);
})
.on('showoutput', function (err, stdout, stderr) {
  display.clear();
  display.write(stdout);
});


// display the current menu on the display
function showMenu(menu) {
  display.clear();
  var text = '';

  var p = menu.getParentSelect();
  text += p ? '[' + p.label + ']\n' : '';
  var c = menu.getCurrentSelect();
  menu.getActiveMenu().forEach(function (m) {
    text += (m.selected ? '>' : ' ') + m.label + '\n';
  });

//  console.log(text);
  display.write(text);
}