Firmware source file for the QTemp32 demo application.

Author: nthnn

demo/qtemp32/firmware/firmware.ino

@@ -0,0 +1,130 @@
+/*
+ * This file is part of QLBase (https://github.com/nthnn/QLBase).
+ * Copyright 2024 - Nathanne Isip
+ * 
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software
+ * and associated documentation files (the “Software”),
+ * to deal in the Software without restriction,
+ * including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice
+ * shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF
+ * ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+ * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+ * SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+ * OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <ArduinoJson.h>
+#include <base64.h>
+#include <DFRobot_DHT11.h>
+#include <dynaconfig.h>
+#include <HTTPClient.h>
+#include <WiFi.h>
+
+#define DHT11_PIN 5
+
+// These are the localized version of the app
+// key and ID on the development environment.
+const char* serverUrl = "http://192.168.100.122/qlbase/api/index.php?action=track_create_live_timestamp";
+const char* apiKey = "qba_8925a3c887_5f663b70";
+const char* appId = "3871-c096-107c-94a0";
+
+DFRobot_DHT11 DHT;
+String anonId, userId;
+
+String generateRandomString() {
+    const char characters[] = "abcdefghijklmnopqrstuvwxyz";
+    const int charactersLength = sizeof(characters) - 1;
+
+    String result = "";
+    for(int i = 0; i < 8; i++)
+        result += characters[random(0, charactersLength)];
+    return result;
+}
+
+void setup() {
+    Serial.begin(115200);
+
+    DynaConfig dynaConfig("QTemp32");
+    dynaConfig.checkWiFiConfig();
+
+    WiFi.mode(WIFI_STA);
+    WiFi.begin(
+        dynaConfig.getConfigSSID(),
+        dynaConfig.getConfigPasskey()
+    );
+    dynaConfig.close();
+
+    Serial.println("Connecting");
+    while(WiFi.status() != WL_CONNECTED) {
+        Serial.print(".");
+        delay(100);
+    }
+
+    Serial.println("\nConnected to the WiFi network");
+    Serial.print("Local ESP32 IP: ");
+    Serial.println(WiFi.localIP());
+
+    anonId = generateRandomString(),
+    userId = generateRandomString();
+}
+
+void loop() {
+    String tracker = generateRandomString();
+    DHT.read(DHT11_PIN);
+
+    DynamicJsonDocument jsonData(256);
+    jsonData["temp"] = DHT.temperature;
+    jsonData["humid"] = DHT.humidity;
+
+    String dataString;
+    serializeJson(jsonData, dataString);
+
+    DynamicJsonDocument jsonDoc(256);
+    jsonDoc["tracker"] = tracker;
+    jsonDoc["anon_id"] = anonId;
+    jsonDoc["user_id"] = userId;
+    jsonDoc["event"] = "temprecevt";
+    jsonDoc["payload"] = base64::encode(dataString);
+
+    String requestBody;
+    serializeJson(jsonDoc, requestBody);
+
+    if(WiFi.status() == WL_CONNECTED) {
+        HTTPClient http;
+        http.begin(serverUrl);
+        http.addHeader("Content-Type", "application/json");
+        http.addHeader("QLBase-API-Key", apiKey);
+        http.addHeader("QLBase-App-ID", appId);
+
+        int httpResponseCode = http.POST(requestBody);
+        if(httpResponseCode > 0) {
+            Serial.printf("HTTP Response code: %d\n", httpResponseCode);
+
+            String response = http.getString();
+            Serial.println("Response:");
+            Serial.println(response);
+        }
+        else Serial.printf(
+            "Error in sending POST: %s\n",
+            http.errorToString(httpResponseCode).c_str()
+        );
+
+        http.end();
+    }
+
+    delay(3000);
+}