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esp32 [2024/10/20 12:13] – [K2000] brunoesp32 [2025/03/06 20:28] (current) bruno
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 === Install config sous Linux === === Install config sous Linux ===
  
-Sous Debian 13, lors du 1er test, j'ai reçu ces deux messages d'erreur:+Sous Debian 12, lors du 1er test, j'ai reçu ces deux messages d'erreur:
  
   * Error Msg: ''ModuleNotFoundError: No module named 'serial'''   * Error Msg: ''ModuleNotFoundError: No module named 'serial'''
Line 86: Line 86:
 </code> </code>
  
-==== Client Wifi ==== 
  
-<code c> 
- 
-#include <WiFi.h> 
- 
-void setup() { 
- 
-  Serial.begin(115200); 
-  while (!Serial) continue; 
- 
-  WiFi.begin("SSID", "P4sswOrd"); 
-  while (WiFi.status() != WL_CONNECTED) delay(500); 
-  Serial.print("IP address:"); 
-  Serial.println(WiFi.localIP()); 
- 
-} 
- 
-void loop() { 
- 
-  if (WiFi.status() == WL_CONNECTED) { 
-    Serial.println("Connected to Wifi."); 
-  } else { 
-    Serial.println("WiFi connection lost."); 
-  } 
-  delay(1000); 
-} 
-</code> 
- 
-==== Client HTTP ==== 
- 
-<code c> 
- 
-#include <WiFi.h> 
-#include <HTTPClient.h> 
- 
-void setup() { 
- 
-  Serial.begin(115200); 
-  while (!Serial) continue; 
- 
-  WiFi.begin("SSID", "P4ssw0rd"); 
- 
-  while (WiFi.status() != WL_CONNECTED) delay(500); 
- 
-  Serial.println("Connected to Wifi."); 
- 
-  HTTPClient http; 
- 
-  Serial.print("Get https://example.com... "); 
-  http.begin("https://example.com"); 
-  int httpCode = http.GET(); 
- 
-  if (httpCode == HTTP_CODE_OK) { 
- 
-    Serial.println(http.getString()); 
- 
-  } else { 
- 
-    Serial.printf("failed, error: %s\n", http.errorToString(httpCode).c_str()); 
- 
-  } 
- 
-  http.end(); 
-} 
- 
-void loop() { 
-} 
- 
-</code> 
- 
-==== Server HTTP === 
- 
-<code c> 
-#include <WiFi.h> 
-#include <WebServer.h> 
-//#include <ESPmDNS.h> 
- 
-const char *ssid = "Your SSID"; 
-const char *password = "P4sswOrd"; 
- 
-WebServer server(80); 
- 
-void handleRoot() { 
-  String html = "<!DOCTYPE html>"; 
-  html += "<html>\n"; 
-  html += "<head>\n"; 
-  html += "<title>Server ESP32</title>\n"; 
-  html += "</head>\n"; 
-  html += "<body>\n"; 
-  html += "<h1>Hello world</h1>\n"; 
-  html += "</body>\n"; 
-  html += "</html>"; 
-  server.send(200, "text/html", html); 
-} 
- 
-void setup(void) { 
- 
-  Serial.begin(115200); 
-  while (!Serial) continue; 
- 
-  WiFi.begin(ssid, password); 
-  while (WiFi.status() != WL_CONNECTED) delay(500); 
-  Serial.print("Connected to "); 
-  Serial.println(ssid); 
-  Serial.print("IP address: "); 
-  Serial.println(WiFi.localIP()); 
- 
-  //if (MDNS.begin("esp32")) { 
-  //  Serial.println("MDNS responder started"); 
-  //} 
- 
-  server.on("/", handleRoot); 
- 
-  server.onNotFound([]() { 
-    server.send(404, "text/plain", "Not Found"); 
-  }); 
- 
-  server.begin(); 
-  Serial.println("HTTP server started"); 
-} 
- 
-void loop(void) { 
- 
-  server.handleClient(); 
- 
-  delay(2);  //allow the cpu to switch to other tasks 
- 
-} 
-</code> 
- 
-==== Client REST API ==== 
- 
-<code c> 
- 
-#include <WiFi.h> 
-#include <HTTPClient.h> 
-#include <ArduinoJson.h> 
- 
-void setup() { 
- 
-  Serial.begin(115200); 
-  while (!Serial) delay(100); 
- 
-  WiFi.begin("SSID", "P4ssw0rd"); 
-  while (WiFi.status() != WL_CONNECTED) delay(500); 
-  Serial.println("Connected."); 
-} 
- 
-void loop() { 
- 
-  if (WiFi.status() == WL_CONNECTED) { 
- 
-    HTTPClient http; 
- 
-    // https://docs.kraken.com/api/docs/rest-api/get-ticker-information 
-    http.begin("https://api.kraken.com/0/public/Ticker?pair=XXBTZEUR"); 
- 
-    int httpCode = http.GET(); 
- 
-    if (httpCode == HTTP_CODE_OK) { 
-       
-      String response = http.getString(); 
- 
-      JsonDocument doc; 
-      DeserializationError error = deserializeJson(doc, response); 
-      if (error) { 
-        Serial.print(F("deserializeJson() failed: ")); 
-        Serial.println(error.f_str()); 
-      } else { 
-        Serial.print("BTC: "); 
-        Serial.println(doc["result"]["XXBTZEUR"]["c"][0].as<double>()); 
-      } 
- 
-    } else { 
-     
-      Serial.printf("failed, error: %i %s\n", httpCode, http.errorToString(httpCode).c_str()); 
-       
-    } 
-     
-    http.end(); 
-     
-  } else { 
-   
-    Serial.println("Network unreachable"); 
-     
-  } 
- 
-  delay(5000); 
-} 
- 
-</code> 
- 
-==== Thread ==== 
- 
-<code c> 
-#include <WiFi.h> 
-#include <WebServer.h> 
-#include <HTTPClient.h> 
-#include <ArduinoJson.h> 
-#include <Thread.h> 
- 
-const char *ssid = "....."; 
-const char *password = "....."; 
- 
-float btc; 
- 
-Thread myThread = Thread(); 
- 
-void getBtcFromKraken() { 
- 
-  HTTPClient http; 
-   
-  http.begin("https://api.kraken.com/0/public/Ticker?pair=XXBTZEUR"); 
- 
-  int httpCode = http.GET(); 
-   
-  if (httpCode == HTTP_CODE_OK) { 
-    String response = http.getString(); 
- 
-    JsonDocument doc; 
-    DeserializationError error = deserializeJson(doc, response); 
-    if (!error) { 
-      btc = doc["result"]["XXBTZEUR"]["c"][0].as<float>(); 
-      Serial.print("BTC: "); 
-      Serial.println(btc); 
-    } 
-     
-  } 
- 
-  http.end(); 
-} 
- 
- 
-WebServer server(80); 
- 
- 
- 
-void handleRoot() { 
-  String html = "BTC = " + String(btc); 
-  server.send(200, "text/plain", html); 
-} 
- 
-void setup(void) { 
-  Serial.begin(115200); 
- 
-  WiFi.begin(ssid, password); 
-  while (WiFi.status() != WL_CONNECTED) delay(500); 
- 
-  Serial.print("Connected to "); 
-  Serial.println(ssid); 
-  Serial.print("IP address: "); 
-  Serial.println(WiFi.localIP()); 
- 
-  //if (MDNS.begin("esp32")) { 
-  //  Serial.println("MDNS responder started"); 
-  //} 
- 
- 
-  myThread.onRun(getBtcFromKraken); 
-  myThread.setInterval(10000); 
-  myThread.run(); 
- 
-  server.on("/", handleRoot); 
- 
-  server.onNotFound([]() { 
-    server.send(404, "text/plain", "Not Found"); 
-  }); 
- 
-  server.begin(); 
-  Serial.println("HTTP server started"); 
-} 
- 
-void loop(void) { 
-  if (myThread.shouldRun()) myThread.run(); 
-  Serial.print("."); 
-  server.handleClient(); 
-  delay(500);  //allow the cpu to switch to other tasks 
-} 
- 
-</code> 
esp32.1729426383.txt.gz · Last modified: 2024/10/20 12:13 by bruno