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Show warnings if the display cannot be written to, but dont completel… #17

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Show warnings if the display cannot be written to, but dont completel… #17

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a955dfe
Show warnings if the display cannot be written to, but dont completel…
zgohr Jul 11, 2018
a54cb00
Fix a return statement.
zgohr Jul 11, 2018
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158 changes: 85 additions & 73 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,98 +3,110 @@
/*jslint node: true */
/*jslint esversion: 6 */

'use strict';
"use strict";


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

var voltage = setupVoltageMonitor();

// setup the display
try {
var displayConfig = setupDisplayConfig();
var display = setupDisplay();
setupMenus();
} catch (error) {
console.warn("Warning: Could not set up display", error);
}

// 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);
function setupDisplayConfig() {
var displayConfig = require("./config/display.json");
displayConfig.i2cBus = i2cBus;
return displayConfig;
}

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

function setupMenus() {
var buttonsConfig = require("./config/buttons.json");
var menuConfig = {
menuFile: process.cwd() + path.sep + "./config/menus/menu.json",
onChange: showMenu,
menuSettings: {
displayLines: displayConfig.displayLines - 1,
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);
});
}

function setupVoltageMonitor() {
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);
});
return voltage;
}

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

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

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