Working prototype done

esp32h2_water_temp_pump/esp32h2_water_temp_pump.ino

@@ -31,8 +31,13 @@
 #endif
 
 #include "Zigbee.h"
+#include <OneWireESP32.h>
+
+#define TEMP_PIN 10
+#define PUMP_PIN 13
 
 /* Zigbee temperature sensor configuration */
+#define ANALOG_DEVICE_ENDPOINT_NUMBER 1
 #define TEMP_SENSOR_ENDPOINT_NUMBER 10
 uint8_t button = BOOT_PIN;
 
@@ -42,15 +47,55 @@ struct tm *localTime;
 int32_t timezone;
 
 ZigbeeTempSensor zbTempSensor = ZigbeeTempSensor(TEMP_SENSOR_ENDPOINT_NUMBER);
+ZigbeeAnalog zbAnalogTemp = ZigbeeAnalog(ANALOG_DEVICE_ENDPOINT_NUMBER);
 
 /************************ Temp sensor *****************************/
+const uint8_t MaxDevices = 1;
+static float get_temp(int gpio) {
+  OneWire32 ds(gpio);
+  uint64_t addr[MaxDevices];
+  float temp[MaxDevices];
+  float avg = 0;
+  float num = 0;
+
+  uint8_t devices = ds.search(addr, MaxDevices);
+
+  for (int i = 0; i < devices; i++) {
+    uint8_t err = ds.getTemp(addr[i], temp[i]);
+    if (err) {
+      const char *errt[] = { "", "CRC", "BAD", "DC", "DRV" };
+      Serial.print(i);
+      Serial.print(": ");
+      Serial.println(errt[err]);
+    } else {
+      avg += temp[i];
+      num += 1;
+    }
+  }
+  if (num == 0) return -10.0;
+  return avg / num;
+}
+
+
+/************************ Temp sensor ZigBee *****************************/
 static void temp_sensor_value_update(void *arg) {
   for (;;) {
     // Read temperature sensor value
     float tsens_value = temperatureRead();
+    // float tsens_value = get_temp(TEMP_PIN);
     Serial.printf("Updated temperature sensor value to %.2f°C\r\n", tsens_value);
     // Update temperature value in Temperature sensor EP
     zbTempSensor.setTemperature(tsens_value);
+
+    // check temp and control pump
+    if (tsens_value >= zbAnalogTemp.getAnalogOutput() + 5.0 || tsens_value < 0) {  // < 0 for safety if value is uninitialized
+      Serial.printf("PUMP ON %.2f°C\r\n", tsens_value);
+      digitalWrite(PUMP_PIN, HIGH);
+    } else if (tsens_value <= zbAnalogTemp.getAnalogOutput() - 5.0) {
+      Serial.printf("PUMP OFF %.2f°C\r\n", tsens_value);
+      digitalWrite(PUMP_PIN, LOW);
+    }
+
     delay(1000);
   }
 }
@@ -61,21 +106,25 @@ void setup() {
 
   // Init button switch
   pinMode(button, INPUT_PULLUP);
+  pinMode(PUMP_PIN, OUTPUT);
 
-  // Optional: set Zigbee device name and model
+  // actual temp given by the thermometer
-  zbTempSensor.setManufacturerAndModel("Espressif", "ZigbeeTempSensor");
+  zbTempSensor.setManufacturerAndModel("ESP32H2", "Furnace Pump");
-
+  zbTempSensor.setMinMaxValue(-10, 125);
-  // Set minimum and maximum temperature measurement value (10-50°C is default range for chip temperature measurement)
+  zbTempSensor.setTolerance(0.1);
-  zbTempSensor.setMinMaxValue(10, 50);
-
-  // Optional: Set tolerance for temperature measurement in °C (lowest possible value is 0.01°C)
-  zbTempSensor.setTolerance(1);
-
-  // Optional: Time cluster configuration (default params, as this device will revieve time from coordinator)
   zbTempSensor.addTimeCluster();
 
+  // temperature set as the threshold for pump activation/deactivation
+  zbAnalogTemp.addAnalogOutput();
+  zbAnalogTemp.setAnalogOutputApplication(ESP_ZB_ZCL_AI_TEMPERATURE_OTHER);
+  zbAnalogTemp.setAnalogOutputDescription("Water Temperature (°C)");
+  zbAnalogTemp.setAnalogOutputResolution(1);
+  zbAnalogTemp.setAnalogOutputMinMax(20, 80);
+
   // Add endpoint to Zigbee Core
   Zigbee.addEndpoint(&zbTempSensor);
+  Zigbee.addEndpoint(&zbAnalogTemp);
+
 
   Serial.println("Starting Zigbee...");
   // When all EPs are registered, start Zigbee in End Device mode
@@ -107,14 +156,15 @@ void setup() {
   Serial.println(localTime, "%A, %B %d %Y %H:%M:%S");
 
   // Start Temperature sensor reading task
-  xTaskCreate(temp_sensor_value_update, "temp_sensor_update", 2048, NULL, 10, NULL);
+  xTaskCreate(temp_sensor_value_update, "temp_sensor_update", 3072, NULL, 10, NULL);
 
   // Set reporting interval for temperature measurement in seconds, must be called after Zigbee.begin()
   // min_interval and max_interval in seconds, delta (temp change in 0,1 °C)
   // if min = 1 and max = 0, reporting is sent only when temperature changes by delta
   // if min = 0 and max = 10, reporting is sent every 10 seconds or temperature changes by delta
   // if min = 0, max = 10 and delta = 0, reporting is sent every 10 seconds regardless of temperature change
-  zbTempSensor.setReporting(1, 0, 1);
+  zbTempSensor.setReporting(10, 300, 1);
+  zbAnalogTemp.setAnalogOutput(60.0);  // starting default value
 }
 
 void loop() {