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--- zarizeni:esp8266 [2016/05/30 10:01] – vytvořeno multitricker
+++ zarizeni:esp8266 [2016/06/06 10:50] – multitricker
@@ Řádek 3: / Řádek 3: @@
 Příklad jak naprogramovat ESP8266 v Arduino IDE od ''mikroma''.
-**Web autora příkladu:** http://mikrom.cz/\\
+**Web autora příkladů:** http://mikrom.cz/\\
-**Kontakt na autora:** mikrom@mikrom.cz
+**Kontakt na autora:** [[mikrom@mikrom.cz]]
 Nezapomeňte na začátku kódu nastavit své správné proměnné (SSID vlastní wifi, heslo k wifi síti, správnou adresu serveru a GUID vyplněné v administraci na tmep.cz).
-<file c priklad>
+===== Teplota =====
-// Kod pro tmep.cz, autor mikrom.cz
-// Pokud máte např. v administraci zadané čidlo s doménou ahoj a GUID nastavené na mojemereni.
-// http://ahoj.tmep.cz/?GUID=25.6
-#include <ESP8266WiFi.h>
+{{:zarizeni:esp:tmep_send_temperature.fzz|Schéma Fritzing}}
-#define WLAN_SSID "SSID" // WiFi SSID
+{{:zarizeni:esp:tmep_send_temperature.png?500|}}
-#define WLAN_PASS "HESLO" // WiFi password
-#define SERVER    "ahoj.tmep.cz" // domena.tmep.cz
+<file c tmep_send_temperature.ino>
-#define GUID      "mojemereni" // GUID
+// Simple sketch for sending data to the TMEP.cz
+// by mikrom (http://www.mikrom.cz)
+// http://wiki.tmep.cz/doku.php?id=zarizeni:esp8266
+//
+// If you send only temperature url will be: http://ahoj.tmep.cz/?mojemereni=25.6 (domain is "ahoj" and guid is "mojemereni"
+// If you send also humidity url will be: http://ahoj.tmep.cz/?mojemereni=25.6&humV=60
+// but for humidity You will need DHT11 or DHT22 sensor and code will need some modifications
+#include <ESP8266WiFi.h>       // WiFi library
+#include <OneWire.h>           // OneWire communication library for DS18B20
+#include <DallasTemperature.h> // DS18B20 library
+// Define settings
+const char* ssid      = "---wifi ssid---"; // WiFi SSID
+const char* pass      = "---wifi pass---"; // WiFi password
+const char* domain    = "---domain---";    // domain.tmep.cz
+const char* guid      = "---guid---";      // mojemereni
+const long sleep      = 600000;            // How often send data to the server. Default is 600000ms = 10 minute
+const byte oneWireBus = 5;                 // Pin where is DS18B20 connected
+// Create Temperature object "sensors"
+OneWire oneWire(oneWireBus);       // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+DallasTemperature sensors(&oneWire); // Pass our oneWire reference to Dallas Temperature.
-// Use WiFiClient class to create TCP connections
-WiFiClient client;
 void setup() {
   // Start serial
@@ Řádek 29: / Řádek 45: @@
   Serial.println();
-  // Connect to WiFi
+  // Connect to the WiFi
-  Serial.print("Connecting to "); Serial.println(WLAN_SSID);
+  Serial.print("Connecting to "); Serial.println(ssid);
-  WiFi.begin(WLAN_SSID, WLAN_PASS);
+  WiFi.begin(ssid, pass);
   while (WiFi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print(".");
   }
+  Serial.println();
   Serial.println("WiFi connected");
   Serial.print("IP address: "); Serial.println(WiFi.localIP());
+  Serial.println();
-  Serial.println("Ready for LOOP!");
+  sensors.begin(); // Initialize the DallasTemperature DS18B20 class (not strictly necessary with the client class, but good practice).
+  delay(10000);
 }
 void loop() {
-  Serial.println("Connecting...");
+  sensors.requestTemperatures();           // Send the command to get temperatures. request to all devices on the bus
+  float t = sensors.getTempCByIndex(0); // Read temperature in "t" variable
+  if (t == -127.00) {                   // If you have connected it wrong, Dallas read this temperature! :)
+    Serial.println("Temp error!");
+    return;
+  }
-  if (client.connect(SERVER, 80)) {
+  // Connect to the HOST and send data via GET method
-    Serial.println("Connected");
+  WiFiClient client; // Use WiFiClient class to create TCP connections
+  char host[50];            // Joining two chars is little bit difficult. Make new array, 50 bytes long
+  strcpy(host, domain);     // Copy /domain/ in to the /host/
+  strcat(host, ".tmep.cz"); // Add ".tmep.cz" at the end of the /host/. /host/ is now "/domain/.tmep.cz"
+  const int httpPort = 80;
+  Serial.print("Connecting to "); Serial.println(host);
+  if (!client.connect(host, httpPort)) {
+    // If you didn't get a connection to the server
+    Serial.println("Connection failed");
+    return;
+  }
+  Serial.println("Client connected");
-    int rndm = random(10, 30);
+  // Make an url. We need: /?guid=t
+  String url = "/?";
-    // Make a HTTP request.
+         url += guid;
-    client.print("GET /?");
+         url += "=";
-    client.print(String(GUID)); // guid
+         url += t;
-    client.print("=");
+  Serial.print("Requesting URL: "); Serial.println(url);
-    client.print(rndm); // value
-    client.println(" HTTP/1.1");
+  // Make a HTTP GETrequest.
-    client.print("Host:"); client.println(SERVER);
+  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
-    client.println("Connection: close");
+               "Host: " + host + "\r\n" +
-    client.println();
+               "Connection: close\r\n\r\n");
-    // Just for debugging. GET /?mojemereni=20
+  // Workaroud for timeout
-    Serial.print(SERVER); Serial.print(" ");
+  unsigned long timeout = millis();
-    Serial.print("GET /?");
+  while (client.available() == 0) {
-    Serial.print(String(GUID));
+    if (millis() - timeout > 5000) {
-    Serial.print("=");
+      Serial.println(">>> Client Timeout !");
-    Serial.print(rndm);
+      client.stop();
-    Serial.println(" HTTP/1.1");
+      return;
-    Serial.print("Host:"); Serial.println(SERVER);
+    }
-    Serial.println("Connection: close");
+  }
-    Serial.println();
+  Serial.println();
-  } else {
-    // if you didn't get a connection to the server:
+  // Wait for another round
+  delay(sleep);
+}
+</file>
+===== Teplota a vlhkost =====
+[[https://learn.adafruit.com/dht/overview
+|Informace o senzorech.]]
+{{:zarizeni:esp:tmep_send_temperature_and_humidity.fzz|Schéma Fritzing}}
+{{:zarizeni:esp:tmep_send_temperature_and_humidity.png?500|}}
+<file c tmep_send_temperature_and_humidity.ino>
+// Simple sketch for sending data to the TMEP.cz
+// by mikrom (http://www.mikrom.cz)
+// http://wiki.tmep.cz/doku.php?id=zarizeni:esp8266
+//
+// If you send only temperature url will be: http://ahoj.tmep.cz/?mojemereni=25.6 (domain is "ahoj" and guid is "mojemereni"
+// If you send also humidity url will be: http://ahoj.tmep.cz/?mojemereni=25.6&humV=60
+// but for humidity You will need DHT11 or DHT22 sensor and code will need some modifications
+//
+// Not tested, but should work! :)
+#include <ESP8266WiFi.h> // WiFi library
+#include "DHT.h"         // DHT sensor library
+// Define settings
+const char* ssid    = "---wifi ssid---"; // WiFi SSID
+const char* pass    = "---wifi pass---"; // WiFi password
+const char* domain  = "---domain---";    // domain.tmep.cz
+const char* guid    = "---guid---";      // mojemereni
+const long sleep    = 600000;            // How often send data to the server. Default is 600000ms = 10 minute
+const byte dhtPin   = 5;                 // Pin where is DHT connected
+const byte dhtType  = 22;                // DHT type, for DHT11 = 11, for DHT22 = 22
+DHT dht(dhtPin, dhtType); // Initialize DHT sensor.
+void setup() {
+  // Start serial
+  Serial.begin(115200);
+  delay(10);
+  Serial.println();
+  // Connect to the WiFi
+  Serial.print("Connecting to "); Serial.println(ssid);
+  WiFi.begin(ssid, pass);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println();
+  Serial.println("WiFi connected");
+  Serial.print("IP address: "); Serial.println(WiFi.localIP());
+  Serial.println();
+  dht.begin(); // Initialize the DHT sensor
+  delay(10000);
+}
+void loop() {
+  // Reading temperature or humidity takes about 250 milliseconds!
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  float h = dht.readHumidity();
+  // Read temperature as Celsius (the default)
+  float t = dht.readTemperature();
+  // Check if any reads failed and exit early (to try again).
+  if (isnan(h) || isnan(t)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return;
+  }
+  // Connect to the HOST and send data via GET method
+  WiFiClient client; // Use WiFiClient class to create TCP connections
+  char host[50];            // Joining two chars is little bit difficult. Make new array, 50 bytes long
+  strcpy(host, domain);     // Copy /domain/ in to the /host/
+  strcat(host, ".tmep.cz"); // Add ".tmep.cz" at the end of the /host/. /host/ is now "/domain/.tmep.cz"
+  const int httpPort = 80;
+  Serial.print("Connecting to "); Serial.println(host);
+  if (!client.connect(host, httpPort)) {
+    // If you didn't get a connection to the server
     Serial.println("Connection failed");
+    return;
   }
+  Serial.println("Client connected");
-  delay(60000);
+  // Make an url. We need: /?guid=t&humV=h
+  String url = "/?";
+         url += guid;
+         url += "=";
+         url += t;
+         url += "&humV=";
+         url += h;
+  Serial.print("Requesting URL: "); Serial.println(url);
+  // Make a HTTP GETrequest.
+  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
+               "Host: " + host + "\r\n" +
+               "Connection: close\r\n\r\n");
+  // Workaroud for timeout
+  unsigned long timeout = millis();
+  while (client.available() == 0) {
+    if (millis() - timeout > 5000) {
+      Serial.println(">>> Client Timeout !");
+      client.stop();
+      return;
+    }
+  }
+  Serial.println();
+  // Wait for another round
+  delay(sleep);
 }
 </file>