BLE indicator added; separation of BLE/WiFi activation from activation of devices using it

Platformio/src/commandHandler.cpp

@@ -75,7 +75,7 @@ void executeCommandWithData(std::string command, commandData commandData, std::s
       break;
     }
 
-    #ifdef ENABLE_KEYBOARD_MQTT
+    #ifdef ENABLE_WIFI_AND_MQTT
     case MQTT: {
       auto current = commandData.commandPayloads.begin();
       std::string topic = *current;

Platformio/src/commandHandler.h

@@ -1,6 +1,9 @@
 #ifndef __COMMANDHANDLER_H__
 #define __COMMANDHANDLER_H__
 
+#define ENABLE_WIFI_AND_MQTT // Comment out to disable WiFi
+#define ENABLE_BLUETOOTH     // Comment out to disable Bluetooth
+
 #include <Arduino.h>
 #include <string>
 #include <list>
@@ -47,7 +50,7 @@ enum commandHandlers {
   IR_GC,
   IR_NEC,
   IR_SAMSUNG,
-  #ifdef ENABLE_KEYBOARD_MQTT
+  #ifdef ENABLE_WIFI_AND_MQTT
   MQTT,
   #endif
   #ifdef ENABLE_KEYBOARD_BLE

Platformio/src/device_keyboard_ble.cpp

@@ -1,6 +1,7 @@
 #include <BleKeyboard.h>
 #include "commandHandler.h"
 #include "device_keyboard_ble.h"
+#include "gui.h"
 
 #ifdef ENABLE_KEYBOARD_BLE
 
@@ -30,6 +31,26 @@ void init_keyboard_ble_commands() {
   bleKeyboard.begin();
 }
 
+// if bluetooth is in pairing mode (pairing mode is always on, if not connected), but not connected, then blink
+unsigned long blinkBluetoothLabelLastChange = millis();
+bool blinkBluetoothLabelIsOn = false;
+
+void update_keyboard_ble_status() {
+  if (bleKeyboard.isConnected()) {
+    lv_label_set_text(BluetoothLabel, LV_SYMBOL_BLUETOOTH);
+  } else {
+    if(millis() - blinkBluetoothLabelLastChange >= 1000){
+      blinkBluetoothLabelIsOn = !blinkBluetoothLabelIsOn;
+      if (blinkBluetoothLabelIsOn) {
+        lv_label_set_text(BluetoothLabel, LV_SYMBOL_BLUETOOTH);
+      } else {
+        lv_label_set_text(BluetoothLabel, "");
+      }
+      blinkBluetoothLabelLastChange = millis();
+    }
+  }
+}
+
 void keyboard_ble_write(uint8_t c) {
   bleKeyboard.write(c);
 }

Platformio/src/device_keyboard_ble.h

@@ -1,9 +1,19 @@
 #ifndef __DEVICE_KEYBOARD_BLE_H__
 #define __DEVICE_KEYBOARD_BLE_H__
 
+// Advertising is started automatically.
+// As soon as a device is connected, a small indicator in the top left corner of the screen will appear
+
 #define ENABLE_KEYBOARD_BLE // Comment out to disable BLE
+
 #ifdef ENABLE_KEYBOARD_BLE
 
+#include "commandHandler.h"
+
+#if defined(ENABLE_KEYBOARD_BLE) && !defined(ENABLE_BLUETOOTH)
+static_assert(false, "You have to use \"#define ENABLE_BLUETOOTH\" in \"commandHandler.h\" when having \"#define ENABLE_KEYBOARD_BLE\"");
+#endif
+
 #include <BleKeyboard.h>
 
 #define KEYBOARD_BLE_UP                  "Keyboard_ble_up"
@@ -30,6 +40,7 @@ extern BleKeyboard bleKeyboard;
 
 void init_keyboard_ble_commands();
 void keyboard_ble_executeCommand(std::string command, std::string additionalPayload = "");
+void update_keyboard_ble_status();
 
 #endif
 

Platformio/src/device_keyboard_mqtt.h

@@ -5,9 +5,17 @@
 // https://github.com/KlausMu/esp32-mqtt-keyboard
 
 #define ENABLE_KEYBOARD_MQTT // Comment out to disable WiFi and MQTT
-// if you activate the MQTT keyboard, consider changing the mapping of the keyboard commands to the MQTT keyboard in file "commandHandler.h"
+
 #ifdef ENABLE_KEYBOARD_MQTT
 
+// if you activate the MQTT keyboard, consider changing the mapping of the keyboard commands to the MQTT keyboard in file "commandHandler.h"
+
+#include "commandHandler.h"
+
+#if defined(ENABLE_KEYBOARD_MQTT) && !defined(ENABLE_WIFI_AND_MQTT)
+static_assert(false, "You have to use \"#define ENABLE_WIFI_AND_MQTT\" in \"commandHandler.h\" when having \"#define ENABLE_KEYBOARD_MQTT\"");
+#endif
+
 #define KEYBOARD_MQTT_UP                   "Keyboard_mqtt_up"
 #define KEYBOARD_MQTT_DOWN                 "Keyboard_mqtt_down"
 #define KEYBOARD_MQTT_RIGHT                "Keyboard_mqtt_right"

Platformio/src/gui.cpp

@@ -12,6 +12,7 @@
 lv_obj_t* panel;
 lv_color_t color_primary = lv_color_hex(0x303030); // gray
 lv_obj_t* WifiLabel;
+lv_obj_t* BluetoothLabel;
 lv_obj_t* objBattPercentage;
 lv_obj_t* objBattIcon;
 byte currentScreen = 1; // Current Device to control (allows switching mappings between devices)
@@ -198,6 +199,12 @@ void init_gui(void) {
   lv_obj_align(WifiLabel, LV_ALIGN_LEFT_MID, -8, 0);
   lv_obj_set_style_text_font(WifiLabel, &lv_font_montserrat_12, LV_PART_MAIN);
 
+  // Bluetooth --------------------------------------------------------------------
+  BluetoothLabel = lv_label_create(statusbar);
+  lv_label_set_text(BluetoothLabel, "");
+  lv_obj_align(BluetoothLabel, LV_ALIGN_LEFT_MID, 12, 0);
+  lv_obj_set_style_text_font(BluetoothLabel, &lv_font_montserrat_12, LV_PART_MAIN);
+
   // Battery ----------------------------------------------------------------------
   objBattPercentage = lv_label_create(statusbar);
   lv_label_set_text(objBattPercentage, "");

Platformio/src/gui.h

@@ -13,6 +13,7 @@ extern lv_obj_t* panel;
 extern lv_color_t color_primary;
 
 extern lv_obj_t* WifiLabel;
+extern lv_obj_t* BluetoothLabel;
 
 extern byte currentScreen; // Current screen that is shown
 

Platformio/src/gui_numpad.cpp

@@ -2,7 +2,6 @@
 // #include "assets.c"
 #include "tft.h"
 #include "gui.h"
-#include "device_keyboard_mqtt.h"
 #include "commandHandler.h"
 
 // Virtual Keypad Event handler

Platformio/src/gui_smarthome.cpp

@@ -3,7 +3,7 @@
 #include "tft.h"
 #include "gui.h"
 #include "mqtt.h"
-#include "device_keyboard_mqtt.h"
+#include "commandHandler.h"
 
 // LVGL declarations
 LV_IMG_DECLARE(lightbulb);
@@ -14,7 +14,7 @@ static void smartHomeToggle_event_cb(lv_event_t * e){
   if(lv_obj_has_state(lv_event_get_target(e), LV_STATE_CHECKED)) strcpy(payload,"true");
   else strcpy(payload,"false");
   // Publish an MQTT message based on the event user data  
-  #ifdef ENABLE_KEYBOARD_MQTT
+  #ifdef ENABLE_WIFI_AND_MQTT
   if((int)e->user_data == 1) publishMQTTMessage("bulb1_set", payload);
   if((int)e->user_data == 2) publishMQTTMessage("bulb2_set", payload);
   #endif
@@ -26,7 +26,7 @@ static void smartHomeSlider_event_cb(lv_event_t * e){
   char payload[8];
   dtostrf(lv_slider_get_value(slider), 1, 2, payload);
   // Publish an MQTT message based on the event user data
-  #ifdef ENABLE_KEYBOARD_MQTT
+  #ifdef ENABLE_WIFI_AND_MQTT
   if((int)e->user_data == 1) publishMQTTMessage("bulb1_setbrightness", payload);
   if((int)e->user_data == 2) publishMQTTMessage("bulb2_setbrightness", payload);
   #endif

Platformio/src/keys.cpp

@@ -6,7 +6,6 @@
 #include "mqtt.h"
 #include "device_samsung.h"
 #include "device_yamaha.h"
-#include "device_keyboard_mqtt.h"
 #include "commandHandler.h"
 
 const byte ROWS = 5; //five rows

Platformio/src/main.cpp

@@ -45,7 +45,7 @@ void setup() {
   init_gui();
 
   // init WiFi
-  #ifdef ENABLE_KEYBOARD_MQTT
+  #ifdef ENABLE_WIFI_AND_MQTT
   init_mqtt();
   #endif
 
@@ -93,11 +93,18 @@ void loop() {
     IMUTaskTimer = millis();
   }
 
-  // Update battery stats at 1Hz
-  static unsigned long batteryTaskTimer = millis() + 1000; // add 1s to start immediately
-  if(millis() - batteryTaskTimer >= 1000){
+  // Update battery and BLE stats at 1Hz
+  static unsigned long updateStatusTimer = millis();
+  if(millis() - updateStatusTimer >= 1000){
     update_battery_stats();
-    batteryTaskTimer = millis();
+    updateStatusTimer = millis();
+
+    #ifdef ENABLE_BLUETOOTH
+    // adjust this if you implement other bluetooth devices than the BLE keyboard
+    #ifdef ENABLE_KEYBOARD_BLE
+    update_keyboard_ble_status();
+    #endif
+    #endif
 
     // Serial.printf("heapSize: %lu, heapFree: %lu, heapMin: %lu, heapMax: %lu\r\n", ESP.getHeapSize(), ESP.getFreeHeap(), ESP.getMinFreeHeap(), ESP.getMaxAllocHeap());
 

Platformio/src/mqtt.cpp

@@ -2,10 +2,10 @@
 #include <lvgl.h>
 #include "secrets.h"
 #include "mqtt.h"
-#include "device_keyboard_mqtt.h"
+#include "commandHandler.h"
 #include "gui.h"
 
-#ifdef ENABLE_KEYBOARD_MQTT
+#ifdef ENABLE_WIFI_AND_MQTT
 WiFiClient espClient;
 PubSubClient mqttClient(espClient);
 

Platformio/src/mqtt.h

@@ -1,9 +1,9 @@
 #ifndef __MQTT_H__
 #define __MQTT_H__
 
-#include "device_keyboard_mqtt.h"
+#include "commandHandler.h"
 
-#ifdef ENABLE_KEYBOARD_MQTT
+#ifdef ENABLE_WIFI_AND_MQTT
 
 #include "WiFi.h"
 #include <PubSubClient.h>

Platformio/src/sleep.cpp

@@ -10,8 +10,6 @@
 #include "infrared_receiver.h"
 #include "battery.h"
 #include "commandHandler.h"
-#include "device_keyboard_mqtt.h"
-#include "device_keyboard_ble.h"
 
 int motion = 0;
 uint32_t actualSleepTimeout;
@@ -116,7 +114,7 @@ void enterSleep(){
   configIMUInterrupts();
   IMU.readRegister(&intDataRead, LIS3DH_INT1_SRC);//really clear interrupt
 
-  #ifdef ENABLE_KEYBOARD_MQTT
+  #ifdef ENABLE_WIFI_AND_MQTT
   // Power down modem
   WiFi.disconnect();
   WiFi.mode(WIFI_OFF);