add huzzah with support for ota and wifi

gateway/.gitignore

@@ -3,3 +3,4 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+include/credentials.h

gateway/include/credentials.h.tpl

@@ -0,0 +1,4 @@
+struct WifiCredentials {
+    const char* ssid;
+    const char* password;
+} credentials[] = {"foo", "bar"};

gateway/include/ota.h

@@ -0,0 +1,32 @@
+#include <ArduinoOTA.h>
+
+namespace  Ota {
+
+	void loop();
+	Task tLoop(TASK_IMMEDIATE, TASK_FOREVER, loop, &ts, true);
+
+	void setup() {
+		ArduinoOTA.onStart([]() {
+			Serial.println("Start");
+			});
+		ArduinoOTA.onEnd([]() {
+			Serial.println("\nEnd");
+			});
+		ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+			Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+			});
+		ArduinoOTA.onError([](ota_error_t error) {
+			Serial.printf("Error[%u]: ", error);
+			if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
+			else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
+			else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
+			else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
+			else if (error == OTA_END_ERROR) Serial.println("End Failed");
+			});
+		ArduinoOTA.begin();
+	}
+
+	void loop() {
+		ArduinoOTA.handle();
+	}
+}

gateway/include/wifi.h

@@ -0,0 +1,74 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WiFiMulti.h>
+#include <ESP8266mDNS.h>
+#include "credentials.h"
+
+namespace Wifi {
+
+  WiFiEventHandler stationConnectedHandler;
+  WiFiEventHandler stationDisconnectedHandler;
+  void reconnect();
+
+  Task tWifiReconnect(1 * TASK_MINUTE, TASK_FOREVER, reconnect, &ts);
+  
+  String currentSSID;
+  String currentPsk;
+
+  void setup() {
+    stationConnectedHandler = WiFi.onStationModeGotIP([](const WiFiEventStationModeGotIP& e) {
+      Serial.println("Reconnected to network.");
+      tWifiConnected.restart();
+      tWifiReconnect.cancel();
+      });
+
+    stationDisconnectedHandler = WiFi.onStationModeDisconnected([](const WiFiEventStationModeDisconnected& e) {
+      Serial.println("Disconnected from network.");
+      tWifiReconnect.restartDelayed();
+      });
+
+
+    ESP8266WiFiMulti wifiMulti;
+    for (uint32_t i = 0; i < sizeof(credentials) / sizeof(WifiCredentials); i++) {
+      wifiMulti.addAP(credentials[i].ssid, credentials[i].password);
+    }
+
+    Serial.println("Connecting to WiFi netowrk.");
+    while (wifiMulti.run() != WL_CONNECTED) {
+      delay(500);
+    }
+    WiFi.setHostname("esp-clock");
+    currentSSID = WiFi.SSID();
+    currentPsk = WiFi.psk();
+  }
+
+  void reconnect() {
+    if (WiFi.status() != WL_CONNECTED) {
+      WiFi.forceSleepWake();
+      WiFi.begin(currentSSID.c_str(), currentPsk.c_str());
+      Serial.println("Reconnecting to WiFi netowrk...");
+    }
+  }
+
+  void disconnect() {
+    Serial.println("Disconnecting WiFi");
+    WiFi.disconnect();
+    WiFi.forceSleepBegin();
+  }
+
+  void printStatus() {
+    // print the SSID of the network you're attached to:
+    Serial.print("SSID: ");
+    Serial.println(WiFi.SSID());
+
+    // print your WiFi shield's IP address:
+    IPAddress ip = WiFi.localIP();
+    Serial.print("IP Address: ");
+    Serial.println(ip);
+
+    // print the received signal strength:
+    long rssi = WiFi.RSSI();
+    Serial.print("signal strength (RSSI):");
+    Serial.print(rssi);
+    Serial.println(" dBm");
+  }
+}

gateway/platformio.ini

@@ -11,6 +11,25 @@
 [platformio]
 default_envs = pro-mini
 
+[env:huzzah]
+platform = espressif8266
+board = huzzah
+framework = arduino
+lib_extra_dirs =
+    ../libraries
+lib_deps = 
+	sui77/rc-switch@^2.6.4
+	bblanchon/ArduinoJson@6.21.5
+	adafruit/Adafruit Unified Sensor@^1.1.4
+	arkhipenko/TaskScheduler@^3.7.0
+	https://git.hodos.ro/arduino/lib_serial-reader.git@^1.0.0
+build_flags = -D DHT_SENSOR=0 -D DEBUG_RAW=0
+upload_port = /dev/ttyUSB0
+check_tool = cppcheck
+check_flags = --enable=all
+check_skip_packages = yes
+check_severity = medium, high
+
 [env:pro-mini]
 platform = atmelavr
 board = pro16MHzatmega328

gateway/src/gateway.cpp

@@ -10,6 +10,15 @@
 #define SEND_PIN 11
 #define RECEIVE_PIN 2
 
+#if defined(ESP8266)
+void onWifiConnected();
+#include <TaskScheduler.h>
+Scheduler ts;
+Task tWifiConnected(TASK_IMMEDIATE, TASK_ONCE, onWifiConnected, &ts);
+
+#include "wifi.h"
+#include "ota.h"
+#endif
 
 RCSwitch mySwitch;
 SerialReader<200> serialReader;
@@ -24,6 +33,10 @@ void setup() {
 	mySwitch.setRepeatTransmit(10);
 
 	Dht::setup();
+#if defined(ESP8266)
+	Wifi::setup();
+	Ota::setup();
+#endif
 
 	Serial.begin(9600);
 
@@ -113,4 +126,15 @@ void loop() {
 	readCommand();
 	readRcSwitch();
 	Dht::read();
+#if defined(ESP8266)
+	ts.execute();
+#endif
 }
+
+#if defined(ESP8266)
+void onWifiConnected() {
+  Serial.println("Wifi connected event");
+  Wifi::printStatus();
+  Ota::tLoop.enable();
+}
+#endif