Sming 0,0,0,0,3,0,3,1 travis-ci

Sming - Open Source framework for high efficiency native ESP8266 development

Sming

Sming - Open Source framework for high efficiency WiFi SoC ESP8266 native development with C++ language.

ESP8266 C++ development framework

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Summary

  • Fast & user friendly development
  • Work with GPIO in Arduino style
  • High effective in perfomance and memory usage (this is native firmware!)
  • Compatible with standard Arduino libraries - use any popular hardware in few lines of code
  • rBoot OTA firmware updating
  • Built-in file system: spiffs
  • Built-in powerfull network and wireless modules
  • Built-in JSON library: ArduinoJson
  • HTTP, AJAX, WebSockets support
  • MQTT protocol based on [libemqtt] (https://github.com/menudoproblema/libemqtt)
  • Networking based on LWIP stack
  • Simple and powerfull hardware API wrappers
  • Based on Espressif NONOS SDK 1.4.0 & 1.5.0

Latest Release

Getting started

Additional needed software

You can find more information about compilation and flashing process by reading esp8266.com forum discussion thread.

Examples

More information at Wiki Examples page.

Simple GPIO input/output

#define LED_PIN 2 // GPIO2
...
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);

Connect to WiFi and start Serial communication

Serial.begin(9600);
Serial.println("Hello Sming! Let's do smart things.");

WifiStation.enable(true);
WifiStation.config("LOCAL-NETWORK", "123456789087"); // Put you SSID and Password here

Read DHT22 sensor

#include <Libraries/DHT/DHT.h> // This is just popular Arduino library!

#define WORK_PIN 0 // GPIO0
DHT dht(WORK_PIN, DHT22);

void init()
{
  dht.begin();

  float h = dht.readHumidity();
  float t = dht.readTemperature();
}

HTTP client

HttpClient thingSpeak;
...
thingSpeak.downloadString("http://api.thingspeak.com/update?key=XXXXXXX&field1=" + String(sensorValue), onDataSent);

void onDataSent(HttpClient& client, bool successful)
{
  if (successful)
    Serial.println("Successful!");
  else
    Serial.println("Failed");
}

OTA application update based on rBoot

void OtaUpdate() {

    uint8 slot;
    rboot_config bootconf;

    Serial.println("Updating...");

    // need a clean object, otherwise if run before and failed will not run again
    if (otaUpdater) delete otaUpdater;
    otaUpdater = new rBootHttpUpdate();

    // select rom slot to flash
    bootconf = rboot_get_config();
    slot = bootconf.current_rom;
    if (slot == 0) slot = 1; else slot = 0;

    // flash rom to position indicated in the rBoot config rom table
    otaUpdater->addItem(bootconf.roms[slot], ROM_0_URL);

    // and/or set a callback (called on failure or success without switching requested)
    otaUpdater->setCallback(OtaUpdate_CallBack);

    // start update
    otaUpdater->start();
}

Embedded HTTP WebServer

server.listen(80);
server.addPath("/", onIndex);
server.addPath("/hello", onHello);
server.setDefaultHandler(onFile);

Serial.println("=== WEB SERVER STARTED ===");
Serial.println(WifiStation.getIP());

...

void onIndex(HttpRequest &request, HttpResponse &response)
{
  TemplateFileStream *tmpl = new TemplateFileStream("index.html");
  auto &vars = tmpl->variables();
  vars["counter"] = String(counter);
  vars["IP"] = WifiStation.getIP().toString();
  vars["MAC"] = WifiStation.getMAC();
  response.sendTemplate(tmpl);
}

void onFile(HttpRequest &request, HttpResponse &response)
{
  String file = request.getPath();
  if (file[0] == '/')
    file = file.substring(1);

  response.setCache(86400, true);
  response.sendFile(file);
}

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Releases

-   2.1.1 zip tar
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-   2.0.0 zip tar
-   1.4.0 zip tar
-   1.3.0 zip tar
-   1.2.0 zip tar
-   1.1.0 zip tar
-   1.0.7 zip tar
-   1.0.5 zip tar