Feat: OTA inhibit sleep

libraries/Zigbee/examples/Zigbee_Temp_Hum_Sensor_Sleepy/Zigbee_Temp_Hum_Sensor_Sleepy.ino

@@ -32,6 +32,12 @@
 
 #include "Zigbee.h"
 
+/* Zigbee OTA configuration */
+
+#define OTA_UPGRADE_RUNNING_FILE_VERSION    0x01010100  // Increment this value when the running image is updated
+#define OTA_UPGRADE_DOWNLOADED_FILE_VERSION 0x01010101  // Increment this value when the downloaded image is updated
+#define OTA_UPGRADE_HW_VERSION              0x0101      // The hardware version, this can be used to differentiate between different hardware versions
+
 #define USE_GLOBAL_ON_RESPONSE_CALLBACK 1  // Set to 0 to use local callback specified directly for the endpoint.
 
 /* Zigbee temperature + humidity sensor configuration */
@@ -45,6 +51,7 @@ uint8_t button = BOOT_PIN;
 
 ZigbeeTempSensor zbTempSensor = ZigbeeTempSensor(TEMP_SENSOR_ENDPOINT_NUMBER);
 
+volatile bool otaInhibitSleep = false;
 uint8_t dataToSend = 2;  // Temperature and humidity values are reported in same endpoint, so 2 values are reported
 bool resend = false;
 
@@ -73,6 +80,15 @@ void onResponse(zb_cmd_type_t command, esp_zb_zcl_status_t status) {
 }
 #endif
 
+void otaSleepInhibitCallback(bool otaActive) {
+  otaInhibitSleep = otaActive;
+  if (otaActive) {
+    Serial.println("OTA started: inhibiting sleep");
+  } else {
+    Serial.println("OTA finished: sleep allowed");
+  }
+}
+
 /************************ Temp sensor *****************************/
 static void meausureAndSleep(void *arg) {
   // Measure temperature sensor value
@@ -115,8 +131,10 @@ static void meausureAndSleep(void *arg) {
   }
 
   // Put device to deep sleep after data was sent successfully or timeout
-  Serial.println("Going to sleep now");
-  esp_deep_sleep_start();
+  if (!otaInhibitSleep) {
+    Serial.println("Going to sleep now");
+    esp_deep_sleep_start();
+  }
 }
 
 /********************* Arduino functions **************************/
@@ -132,6 +150,12 @@ void setup() {
   // Optional: set Zigbee device name and model
   zbTempSensor.setManufacturerAndModel("Espressif", "SleepyZigbeeTempSensor");
 
+  // Optional: set ota
+  zbTempSensor.addOTAClient(OTA_UPGRADE_RUNNING_FILE_VERSION, OTA_UPGRADE_DOWNLOADED_FILE_VERSION, OTA_UPGRADE_HW_VERSION);
+
+  // Optional: Register callback for OTA state change (inhibit sleep during OTA)
+  zbTempSensor.onOTAStateChange(otaSleepInhibitCallback);
+
   // Set minimum and maximum temperature measurement value (10-50°C is default range for chip temperature measurement)
   zbTempSensor.setMinMaxValue(10, 50);
 
@@ -180,6 +204,9 @@ void setup() {
   Serial.println();
   Serial.println("Successfully connected to Zigbee network");
 
+  // Start Zigbee OTA client query, first request is within a minute and the next requests are sent every hour automatically
+  zbLight.requestOTAUpdate();
+
   // Start Temperature sensor reading task
   xTaskCreate(meausureAndSleep, "temp_sensor_update", 2048, NULL, 10, NULL);
 }
@@ -193,6 +220,10 @@ void loop() {
     while (digitalRead(button) == LOW) {
       delay(50);
       if ((millis() - startTime) > 10000) {
+        if (otaInhibitSleep) {
+          Serial.println("OTA in progress, cannot reset now");
+          break;
+        }
         // If key pressed for more than 10secs, factory reset Zigbee and reboot
         Serial.println("Resetting Zigbee to factory and rebooting in 1s.");
         delay(1000);

libraries/Zigbee/src/ZigbeeEP.cpp

@@ -28,6 +28,7 @@ ZigbeeEP::ZigbeeEP(uint8_t endpoint) {
   _ep_config.endpoint = 0;
   _cluster_list = nullptr;
   _on_identify = nullptr;
+  _on_ota_state_change = nullptr;
   _read_model = NULL;
   _read_manufacturer = NULL;
   _time_status = 0;
@@ -318,6 +319,12 @@ void ZigbeeEP::zbIdentify(const esp_zb_zcl_set_attr_value_message_t *message) {
   }
 }
 
+void ZigbeeEP::zbOTAState(bool otaActive) {
+  if (_on_ota_state_change != NULL) {
+    _on_ota_state_change(otaActive);
+  }
+}
+
 bool ZigbeeEP::addTimeCluster(tm time, int32_t gmt_offset) {
   time_t utc_time = 0;
   // Check if time is set

libraries/Zigbee/src/ZigbeeEP.h

@@ -153,6 +153,7 @@ class ZigbeeEP {
     zbWriteAttributeResponse(uint16_t cluster_id, uint16_t attribute_id, esp_zb_zcl_status_t status, uint8_t src_endpoint, esp_zb_zcl_addr_t src_address) {};
   virtual void zbReadBasicCluster(const esp_zb_zcl_attribute_t *attribute);  //already implemented
   virtual void zbIdentify(const esp_zb_zcl_set_attr_value_message_t *message);
+  virtual void zbOTAState(bool otaActive);
   virtual void zbWindowCoveringMovementCmd(const esp_zb_zcl_window_covering_movement_message_t *message) {};
   virtual void zbReadTimeCluster(const esp_zb_zcl_attribute_t *attribute);  //already implemented
   virtual void zbIASZoneStatusChangeNotification(const esp_zb_zcl_ias_zone_status_change_notification_message_t *message) {};
@@ -176,6 +177,10 @@ class ZigbeeEP {
     _on_identify = callback;
   }
 
+  void onOTAStateChange(void (*callback)(bool state)) {
+    _on_ota_state_change = callback;
+  }
+
   void onDefaultResponse(void (*callback)(zb_cmd_type_t resp_to_cmd, esp_zb_zcl_status_t status)) {
     _on_default_response = callback;
   }
@@ -186,6 +191,7 @@ class ZigbeeEP {
   char *_read_manufacturer;
   char *_read_model;
   void (*_on_identify)(uint16_t time);
+  void (*_on_ota_state_change)(bool state);
   void (*_on_default_response)(zb_cmd_type_t resp_to_cmd, esp_zb_zcl_status_t status);
   time_t _read_time;
   int32_t _read_timezone;

libraries/Zigbee/src/ZigbeeHandlers.cpp

@@ -338,6 +338,9 @@ static esp_err_t zb_ota_upgrade_status_handler(const esp_zb_zcl_ota_upgrade_valu
     switch (message->upgrade_status) {
       case ESP_ZB_ZCL_OTA_UPGRADE_STATUS_START:
         log_i("Zigbee - OTA upgrade start");
+        for (std::list<ZigbeeEP *>::iterator it = Zigbee.ep_objects.begin(); it != Zigbee.ep_objects.end(); ++it) {
+          (*it)->zbOTAState(true);  // Notify that OTA is active
+        }
         start_time = esp_timer_get_time();
         s_ota_partition = esp_ota_get_next_update_partition(NULL);
         assert(s_ota_partition);
@@ -348,6 +351,9 @@ static esp_err_t zb_ota_upgrade_status_handler(const esp_zb_zcl_ota_upgrade_valu
 #endif
         if (ret != ESP_OK) {
           log_e("Zigbee - Failed to begin OTA partition, status: %s", esp_err_to_name(ret));
+          for (std::list<ZigbeeEP *>::iterator it = Zigbee.ep_objects.begin(); it != Zigbee.ep_objects.end(); ++it) {
+            (*it)->zbOTAState(false);  // Notify that OTA is no longer active
+          }
           return ret;
         }
         break;
@@ -361,6 +367,9 @@ static esp_err_t zb_ota_upgrade_status_handler(const esp_zb_zcl_ota_upgrade_valu
           ret = esp_element_ota_data(total_size, message->payload, message->payload_size, &payload, &payload_size);
           if (ret != ESP_OK) {
             log_e("Zigbee - Failed to element OTA data, status: %s", esp_err_to_name(ret));
+            for (std::list<ZigbeeEP *>::iterator it = Zigbee.ep_objects.begin(); it != Zigbee.ep_objects.end(); ++it) {
+              (*it)->zbOTAState(false);  // Notify that OTA is no longer active
+            }
             return ret;
           }
 #if CONFIG_ZB_DELTA_OTA
@@ -370,6 +379,9 @@ static esp_err_t zb_ota_upgrade_status_handler(const esp_zb_zcl_ota_upgrade_valu
 #endif
           if (ret != ESP_OK) {
             log_e("Zigbee - Failed to write OTA data to partition, status: %s", esp_err_to_name(ret));
+            for (std::list<ZigbeeEP *>::iterator it = Zigbee.ep_objects.begin(); it != Zigbee.ep_objects.end(); ++it) {
+              (*it)->zbOTAState(false);  // Notify that OTA is no longer active
+            }
             return ret;
           }
         }
@@ -389,6 +401,9 @@ static esp_err_t zb_ota_upgrade_status_handler(const esp_zb_zcl_ota_upgrade_valu
           message->ota_header.file_version, message->ota_header.manufacturer_code, message->ota_header.image_type, message->ota_header.image_size,
           (esp_timer_get_time() - start_time) / 1000
         );
+        for (std::list<ZigbeeEP *>::iterator it = Zigbee.ep_objects.begin(); it != Zigbee.ep_objects.end(); ++it) {
+          (*it)->zbOTAState(false);  // Notify that OTA is no longer active
+        }
 #if CONFIG_ZB_DELTA_OTA
         ret = esp_delta_ota_end(s_ota_handle);
 #else