[LPM] Add capability to deactivate the function at build time (#1449)

To enable boards with the constant power supply to don't build this function.
Change the default behavior for the mode not to be built by default.
Only the boards with batteries are keeping it

environments.ini

@@ -336,7 +336,7 @@ build_flags =
   '-DLED_SEND_RECEIVE_ON=0'
   '-DGateway_Name="OpenMQTTGateway_LOLIN32LITE_BLE"'
 ;; Low power parameters, uncomment and fill credentials
-;  '-DDEFAULT_LOW_POWER_MODE=2'
+  '-DDEFAULT_LOW_POWER_MODE=2'
 ;  '-DTimeBtwRead=155000'
 ;  '-DScan_duration=2000'
 ;  '-DAttemptBLEConnect=false'
@@ -460,6 +460,7 @@ build_flags =
   '-DLED_SEND_RECEIVE_ON=1'
   '-DTRIGGER_GPIO=35'
   '-DIR_EMITTER_GPIO=17'
+  '-DDEFAULT_LOW_POWER_MODE=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_M5STICK_BLE_IR"'
 board_upload.speed = 921600
 custom_description = Expandable module with BLE gateway, display, and little IR emitter
@@ -484,6 +485,7 @@ build_flags =
   '-DTRIGGER_GPIO=37'
   '-DSLEEP_BUTTON=38'
   '-DINPUT_GPIO=39'
+  '-DDEFAULT_LOW_POWER_MODE=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_M5STACK_BLE"'
 board_upload.speed = 921600
 custom_description = Expandable module with BLE gateway and display
@@ -533,6 +535,7 @@ build_flags =
   '-DTRIGGER_GPIO=39'
   '-DIR_EMITTER_INVERTED=true'
   '-DIR_EMITTER_GPIO=9'
+  '-DDEFAULT_LOW_POWER_MODE=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_M5STICK_C_BLE_IR"'
 board_upload.speed = 1500000
 custom_description = Expandable module with BLE gateway, display, and little IR emitter
@@ -563,6 +566,7 @@ build_flags =
   '-DTRIGGER_GPIO=39'
   '-DIR_EMITTER_INVERTED=true'
   '-DIR_EMITTER_GPIO=9'
+  '-DDEFAULT_LOW_POWER_MODE=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_M5STICK_CP_BLE_IR"'
 board_upload.speed = 1500000
 custom_description = Expandable module with BLE gateway, display, and little IR emitter

main/User_config.h

@@ -287,12 +287,13 @@ static_assert(MQTT_SECURE_SELF_SIGNED_INDEX_DEFAULT < (sizeof(certs_array) / siz
 #endif
 
 /*------------------DEEP SLEEP parameters ------------------*/
+//DEFAULT_LOW_POWER_MODE -1 to normal mode, low power mode can't be used on this build
 //DEFAULT_LOW_POWER_MODE 0 to normal mode (no power consumption optimisations)
 //DEFAULT_LOW_POWER_MODE 1 to activate deep sleep
 //DEFAULT_LOW_POWER_MODE 2 to activate deep sleep (LCD is turned OFF)
 #ifdef ESP32
 #  ifndef DEFAULT_LOW_POWER_MODE
-#    define DEFAULT_LOW_POWER_MODE 0
+#    define DEFAULT_LOW_POWER_MODE -1
 #  endif
 int lowpowermode = DEFAULT_LOW_POWER_MODE;
 #endif

main/ZgatewayBT.ino

@@ -741,12 +741,13 @@ void coreTask(void* pvParameters) {
             BLEconnect();
           }
           dumpDevices();
+          Log.trace(F("CoreTask stack free: %u" CR), uxTaskGetStackHighWaterMark(xCoreTaskHandle));
           xSemaphoreGive(semaphoreBLEOperation);
         } else {
           Log.error(F("Failed to start scan - BLE busy" CR));
         }
       }
-      if (lowpowermode) {
+      if (lowpowermode > 0) {
         lowPowerESP32();
         int scan = atomic_exchange_explicit(&forceBTScan, 0, ::memory_order_seq_cst); // is this enough, it will wait the full deepsleep...
         if (scan == 1) BTforceScan();
@@ -764,51 +765,57 @@ void coreTask(void* pvParameters) {
   }
 }
 
+#  if DEFAULT_LOW_POWER_MODE != -1
 void lowPowerESP32() { // low power mode
   Log.trace(F("Going to deep sleep for: %l s" CR), (TimeBtwRead / 1000));
   deepSleep(TimeBtwRead * 1000);
 }
 
 void deepSleep(uint64_t time_in_us) {
-#  if defined(ZboardM5STACK) || defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
+#    if defined(ZboardM5STACK) || defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
   sleepScreen();
   esp_sleep_enable_ext0_wakeup((gpio_num_t)SLEEP_BUTTON, LOW);
-#  endif
+#    endif
 
   Log.trace(F("Deactivating ESP32 components" CR));
   if (BLEDevice::getInitialized()) BLEDevice::deinit(true);
   esp_bt_mem_release(ESP_BT_MODE_BTDM);
   // Ignore the deprecated warning, this call is necessary here.
-#  pragma GCC diagnostic push
+#    pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#    pragma GCC diagnostic ignored "-Wdeprecated-declarations"
   adc_power_off();
-#  pragma GCC diagnostic pop
+#    pragma GCC diagnostic pop
   esp_wifi_stop();
   esp_deep_sleep(time_in_us);
 }
+#  else
+void lowPowerESP32() {}
+#  endif
 
 void changelowpowermode(int newLowPowerMode) {
+#  if DEFAULT_LOW_POWER_MODE != -1
   Log.notice(F("Changing LOW POWER mode to: %d" CR), newLowPowerMode);
-#  if defined(ZboardM5STACK) || defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
+#    if defined(ZboardM5STACK) || defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
   if (lowpowermode == 2) {
-#    ifdef ZboardM5STACK
+#      ifdef ZboardM5STACK
     M5.Lcd.wakeup();
-#    endif
+#      endif
-#    if defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
+#      if defined(ZboardM5STICKC) || defined(ZboardM5STICKCP) || defined(ZboardM5TOUGH)
     M5.Axp.SetLDO2(true);
     M5.Lcd.begin();
-#    endif
+#      endif
   }
   char lpm[2];
   sprintf(lpm, "%d", newLowPowerMode);
   M5Print("Changing LOW POWER mode to:", lpm, "");
-#  endif
+#    endif
   lowpowermode = newLowPowerMode;
   preferences.begin(Gateway_Short_Name, false);
   preferences.putUInt("lowpowermode", lowpowermode);
   preferences.end();
   // Publish the states to update the controller switch status
   stateMeasures();
+#  endif
 }
 
 void setupBT() {

main/ZmqttDiscovery.ino

@@ -1029,6 +1029,7 @@ void pubMqttDiscovery() {
                   stateClassNone, //State Class
                   "false", "true" //state_off, state_on
   );
+#      if DEFAULT_LOW_POWER_MODE != -1
   createDiscovery("switch", //set Type
                   subjectSYStoMQTT, "SYS: Low Power Mode command", (char*)getUniqueId("lowpowermode", "").c_str(), //set state_topic,name,uniqueId
                   "", "", "{{ value_json.lowpowermode | bool }}", //set availability_topic,device_class,value_template,
@@ -1039,6 +1040,7 @@ void pubMqttDiscovery() {
                   stateClassNone, //State Class
                   "false", "true" //state_off, state_on
   );
+#      endif
 #    endif
 #  endif
 }