Electric Imp, Inc. ElectricImpSampleCode
ElectricImpSampleCode
/ net.info.device.nut
Last active
April 19, 2024 13:50
Electric Imp imp API imp.net.info() example
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| local netData = imp.net.info(); | |
| if ("active" in netData) { | |
| local type = netData.interface[netData.active].type; | |
| // We have an active network connection - what type is it? | |
| if (type == "cell") { | |
| // The imp is on a cellular connection | |
| local imei = netData.interface[netData.active].imei; | |
| server.log("The imp has IMEI " + imei + " and is connected via cellular"); | |
| } else { |
ElectricImpSampleCode
/ 1-wire.multiple.device.nut
Last active
September 12, 2023 10:21
1-Wire Examples
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| // FUNCTIONS | |
| function onewireReset() { | |
| // Configure UART for 1-Wire RESET timing | |
| ow.configure(9600, 8, PARITY_NONE, 1, NO_CTSRTS); | |
| ow.write(0xF0); | |
| ow.flush(); | |
| local read = ow.read(); | |
| if (read == -1) { | |
| // No UART data at all | |
| server.log("No circuit connected to UART."); |
ElectricImpSampleCode
/ gnss.get-location.device.nut
Last active
June 6, 2022 11:39
Electric Imp imp API GNSS example code: get the device’s location
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| // Hold a reference to the GNSS Session object | |
| gnssSession <- null; | |
| // Store device location | |
| location <- { "lat": 0, "lon": 0 }; | |
| function isGnssEnabled() { | |
| // Is GNSS ready to use? | |
| if (gnssSession == null) return false; | |
| try { |
ElectricImpSampleCode
/ iad.comms.agent.nut
Last active
May 12, 2022 13:14
Effective Internet <-> Agent <-> Device communications with the Rocky and MessageManager libraries
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| /* | |
| * Load the libraries that we need: | |
| * Rocky to serve the API, | |
| * MessageManager to handle the agent-device interaction | |
| */ | |
| #require "Rocky.agent.lib.nut:3.0.0" | |
| #require "MessageManager.lib.nut:2.4.0" | |
| /* | |
| * Instantiate instances of Rocky and MessageManager |
ElectricImpSampleCode
/ UDP_Hub_secure.agent.nut
Last active
April 22, 2022 10:00
impOS 42 UDP Local Networking Example
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| // ********** Imports ********** | |
| #require "Rocky.class.nut:2.0.2" | |
| // ********** Web UI ********** | |
| const HTML_STRING = @"<!DOCTYPE html> | |
| <html lang='en'> | |
| <head> | |
| <meta charset='UTF-8'> | |
| <meta name='viewport' content='width=device-width, initial-scale=1.0'> | |
| <title>UDP Demo</title> |
ElectricImpSampleCode
/ timer.class.nut
Last active
June 2, 2021 08:29
imp API Cookbook recipe: repeating timers
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| class Timer { | |
| static version = "1.0.0"; | |
| /* | |
| * Private Properties | |
| */ | |
| _repeat = true; | |
| _period = 0; | |
| _timer = null; |
ElectricImpSampleCode
/ aysnc.wifican.device.nut
Last active
May 20, 2021 13:46
Electric Imp imp API example code for imp.scanwifinetworks()
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| // Scan for local WLANs using imp.scanwifinetworks() asynchronously | |
| try { | |
| imp.scanwifinetworks(function(networks) { | |
| if (networks.len() > 0) { | |
| foreach (index, network in networks) { | |
| server.log(format("%d. %s on channel %d", (index + 1), (network.ssid.len() > 0 ? network.ssid : "<Hidden>"), network.channel)); | |
| } | |
| } else { | |
| server.log("No nearby WiFi networks found"); | |
| } |
ElectricImpSampleCode
/ wifiscan.device.nut
Last active
May 20, 2021 13:46
Electric Imp imp API imp.scanwifinetworks() example code
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| // Use imp.scanwifinetworks() in synchronous mode | |
| local wlans = imp.scanwifinetworks(); | |
| foreach (wlan in wlans) { | |
| local wlanData = format("WLAN '%s' is operating on channel %u (current RSSI: %i) ", wlan.ssid, wlan.channel, wlan.rssi); | |
| wlanData = wlanData + "and is " + (wlan.open ? "open" : "closed"); | |
| server.log(wlanData); | |
| } |
ElectricImpSampleCode
/ wakereason.example.nut
Last active
March 18, 2021 14:50
A simple function which uses hardware.wakereason() to reveal why an imp restarted.
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| function logWokenReason() { | |
| local s = "Device restarted. Reason: "; | |
| local c = hardware.wakereason(); | |
| switch (c) { | |
| case WAKEREASON_POWER_ON: // 0 | |
| s += "Cold boot"; | |
| break; | |
| case WAKEREASON_TIMER: // 1 | |
| s += "Timer woke the imp"; | |
| break; |
ElectricImpSampleCode
/ uart.configure.device.nut
Last active
March 18, 2021 14:48
Electric Imp imp API uart.configure() example 2
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| local serial = null; | |
| // Set 'serial' according to imp type | |
| switch (imp.info().type) { | |
| case "imp001": | |
| case "imp002": | |
| serial = hardware.uart57; | |
| break; | |
| case "imp003": | |
| serial = hardware.uartFG; |
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