DS18B20 works. Start with 2561

main/readTemps.c

@@ -60,58 +60,71 @@ void initTempReadings() {
         ds18b20_use_crc(ds18b20_info, true);           // enable CRC check on all reads
         ds18b20_set_resolution(ds18b20_info, DS18B20_RESOLUTION);
     }
+
+    // Start the TEMPS task
+    xTaskCreatePinnedToCore(readAndSendTemps, "TEMPS-Task", 1024*10, NULL, 2, NULL,0);
 }
 
 void readAndSendTemps(void *pvParameters) {
 
     ESP_LOGI("TEMPS", "Read temperature task. Core:%d",xPortGetCoreID());
 
-    // Read temperatures more efficiently by starting conversions on all devices at the same time
-    int errors_count[MAX_DEVICES] = {0};
-    if (num_devices > 0)
+    while(true)
     {
-        ds18b20_convert_all(owb);
+   
 
-        // In this application all devices use the same resolution,
-        // so use the first device to determine the delay
-        const float sampleTime = ds18b20_wait_for_conversion(devices[0]);
+        // Read temperatures more efficiently by starting conversions on all devices at the same time
+        int errors_count[MAX_DEVICES] = {0};
+        if (num_devices > 0)
+        {
+            ds18b20_convert_all(owb);
 
-        // Read the results immediately after conversion otherwise it may fail
-        // (using printf before reading may take too long)
-        float readings[MAX_DEVICES] = { 0 };
-        DS18B20_ERROR errors[MAX_DEVICES] = { 0 };
+            // In this application all devices use the same resolution,
+            // so use the first device to determine the delay
+            const float sampleTime = ds18b20_wait_for_conversion(devices[0]);
 
-        for (int i = 0; i < num_devices; ++i)
-        {
-            errors[i] = ds18b20_read_temp(devices[i], &readings[i]);
-        }
+            vTaskDelay(500 / portTICK_PERIOD_MS);
 
-        ESP_LOGI("TEMPS","Sample time:%.0fms",sampleTime);
+            // Read the results immediately after conversion otherwise it may fail
+            // (using printf before reading may take too long)
+            float readings[MAX_DEVICES] = { 0 };
+            DS18B20_ERROR errors[MAX_DEVICES] = { 0 };
 
-        // Print results in a separate loop, after all have been read
-        for (int i = 0; i < num_devices; ++i)
-        {
-            if (errors[i] != DS18B20_OK)
+            for (int i = 0; i < num_devices; ++i)
             {
-                ++errors_count[i];
+                errors[i] = ds18b20_read_temp(devices[i], &readings[i]);
             }
-            
-            char rom_code_s[25];
-            char mqtt_s[50];
-            char value_s[10];
-            owb_string_from_rom_code(devices[i]->rom_code, rom_code_s, sizeof(rom_code_s));
 
-            sprintf(mqtt_s,"basement/boiler/temps/%s", rom_code_s);
-            sprintf(value_s,"%.1f",readings[i]);
-            ESP_LOGI("TEMPS","%s %s", mqtt_s, value_s);
+            ESP_LOGI("TEMPS","Sample time:%.0fms",sampleTime);
 
-            sendMQTTMessage(mqtt_s, value_s);
+            // Print results in a separate loop, after all have been read
+            for (int i = 0; i < num_devices; ++i)
+            {
+                if (errors[i] != DS18B20_OK)
+                {
+                    ++errors_count[i];
+                }
+                
+                char rom_code_s[25];
+                char mqtt_s[50];
+                char value_s[10];
+                owb_string_from_rom_code(devices[i]->rom_code, rom_code_s, sizeof(rom_code_s));
+
+                sprintf(mqtt_s,"garage/temps/%s", rom_code_s);
+                sprintf(value_s,"%.1f",readings[i]);
+                ESP_LOGI("TEMPS","%s %s", mqtt_s, value_s);
+
+                sendMQTTMessage(mqtt_s, value_s);
+            }
+
+        }
+        else
+        {
+            ESP_LOGE("TEMPS", "No DS18B20 devices detected!");
         }
 
-    }
-    else
-    {
-        ESP_LOGE("TEMPS", "No DS18B20 devices detected!");
+        vTaskDelay(10000 / portTICK_PERIOD_MS);
+    
     }
     vTaskDelete(NULL);
 }