ElectricImpSampleCode

function bobToHexString(data) {
    local s = "0x";
    foreach (b in data) s += format("%02X", b);
    return s;
}

function testHash() {
    local data = "The quick brown fox jumps over the lazy dog";
    local hash = http.hash.sha1(data);
  

ElectricImpSampleCode

function blobToHexString(data) {
    local s = "0x";
    foreach (b in data) s += format("%02X", b);
    return s;
}

function testHash() {
    local data = "The quick brown fox jumps over the lazy dog";
    local hash = http.hash.sha512(data);
  

ElectricImpSampleCode

function blobToHexString(data) {
    local s = "0x";
    foreach (b in data) s += format("%02X", b);
    return s;
}

function testHash() {
    local data = "The quick brown fox jumps over the lazy dog";
    local hash = http.hash.sha256(data);
  

ElectricImpSampleCode

// Establish the device's settings table with default values
deviceSettings <- {};
deviceSettings.mode <- true;
deviceSettings.dst <- true;
deviceSettings.utc <- false;
deviceSettings.offset <- 12;
deviceSettings.brightness <- 15;

// Load preserved settings in from permanent storage
local loadedSettings = server.load();

ElectricImpSampleCode

// The 'interfaces' variables holds references to available interfaces
local interfaces = {};

// Set flags that the app can check to see if an interface can be used
local availableForLocal = { "wifi" : false,
                            "ethernet" : false,
                            "cell" : false };

// These globals are used for reporting
local interfaceCount = 0;

ElectricImpSampleCode

local myArray = [true, true, false, false, true];
myArray.apply(function(value) {
    return !value;
});

// myArray now equals [false, false, true, true, false]

ElectricImpSampleCode

// Get all the local networks
local wlans = imp.scanwifinetworks();
local myWlan = null;

foreach (network in wlans) {
    if (network.ssid == "hasdrubals_folly") {
        // This is my network, so save it
        myWlan = network;
        break;
    }

ElectricImpSampleCode

local sourceArray = [10, 21, 30, 43];

// Find the array items that are multiples of ten
local resultArray = sourceArray.filter(function(index, value) {
    return (value % 10 == 0);
});

server.log(resultArray.len());
server.log(sourceArray.len());
// Displays "2" and "4"

ElectricImpSampleCode

// Constants for the alphanumeric character set
static charset = [
    [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00],	// Space - Ascii 32
    [0x00,0x10,0x10,0x10,0x10,0x00,0x10,0x00],	// !
    [0x00,0x24,0x24,0x00,0x00,0x00,0x00,0x00],	// "
    ...
    [0xFF,0xFF,0xFF,0xFF,0x55,0xAA,0x55,0xAA],
    [0xAA,0x55,0xAA,0x55,0xFF,0xFF,0xFF,0xFF],
    [0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55]	// Block Graphic 11
];

ElectricImpSampleCode

local anArray = [true, true, false, false, true];

// Apply the data conversion function and save the result in a new array
local newArray = anArray.map(function(value) {
    return !value;
});

// newArray equals [false, false, true, true, false]