support of multiple BLE devices

Platformio/hardware/ESP32/keyboard_ble_hal_esp32.cpp

@@ -2,16 +2,78 @@
 
 #include "lib/ESP32-BLE-Keyboard/BleKeyboard.h"
 #include "battery_hal_esp32.h"
+#include "keyboard_ble_hal_esp32.h"
 
 BleKeyboard bleKeyboard("OMOTE Keyboard", "CoretechR");
 
+void keyboardBLE_startAdvertisingForAll_HAL() {
+  bleKeyboard.startAdvertisingForAll();
+}
+
+void keyboardBLE_startAdvertisingWithWhitelist_HAL(std::string peersAllowed) {
+  bleKeyboard.startAdvertisingWithWhitelist(peersAllowed);
+}
+
+void keyboardBLE_startAdvertisingDirected_HAL(std::string peerAddress, bool isRandomAddress) {
+  bleKeyboard.startAdvertisingDirected(peerAddress, isRandomAddress);
+}
+
+void keyboardBLE_stopAdvertising_HAL() {
+  bleKeyboard.stopAdvertising();
+}
+
+void keyboardBLE_printConnectedClients_HAL() {
+  bleKeyboard.printConnectedClients();
+}
+
+void keyboardBLE_disconnectAllClients_HAL() {
+  bleKeyboard.disconnectAllClients();
+}
+
+void keyboardBLE_printBonds_HAL() {
+  bleKeyboard.printBonds();
+}
+
+std::string keyboardBLE_getBonds_HAL() {
+  return bleKeyboard.getBonds();
+}
+
+void keyboardBLE_deleteBonds_HAL() {
+  bleKeyboard.deleteBonds();
+}
+
+bool keyboardBLE_forceConnectionToAddress_HAL(std::string peerAddress) {
+  return bleKeyboard.forceConnectionToAddress(peerAddress);
+}
+
+tAnnounceBLEmessage_cb thisAnnounceBLEmessage_cb = NULL;
+void set_announceBLEmessage_cb_HAL(tAnnounceBLEmessage_cb pAnnounceBLEmessage_cb) {
+  // this is the callback in the commandHandler that we call from here
+  thisAnnounceBLEmessage_cb = pAnnounceBLEmessage_cb;  
+}
+
+void keyboardBLE_BLEkeyboardMessage_cb(std::string message) {
+  // this callback is called from BLEKeyboard.cpp
+  if (thisAnnounceBLEmessage_cb != NULL) {
+    thisAnnounceBLEmessage_cb(message);
+  }
+}
+
 void init_keyboardBLE_HAL() {
   int battery_voltage;
   int battery_percentage;
   boolean battery_ischarging;
   get_battery_status_HAL(&battery_voltage, &battery_percentage, &battery_ischarging);
+
+  bleKeyboard.set_BLEKeyboardMessage_cb(&keyboardBLE_BLEkeyboardMessage_cb);
   bleKeyboard.setBatteryLevel(battery_percentage);
   bleKeyboard.begin();
+  // In case only one peer is bonded, startAdvertisingForAll() is called on initialisation
+  bleKeyboard.startAdvertisingIfExactlyOneBondExists();
+}
+
+bool keyboardBLE_isAdvertising_HAL() {
+  return bleKeyboard.isAdvertising();
 }
 
 bool keyboardBLE_isConnected_HAL() {

Platformio/hardware/ESP32/keyboard_ble_hal_esp32.h

@@ -4,7 +4,22 @@
 
 #include "lib/ESP32-BLE-Keyboard/BleKeyboard.h"
 
+void keyboardBLE_startAdvertisingForAll_HAL();
+void keyboardBLE_startAdvertisingWithWhitelist_HAL(std::string peersAllowed);
+void keyboardBLE_startAdvertisingDirected_HAL(std::string peerAddress, bool isRandomAddress);
+void keyboardBLE_stopAdvertising_HAL();
+void keyboardBLE_printConnectedClients_HAL();
+void keyboardBLE_disconnectAllClients_HAL();
+void keyboardBLE_printBonds_HAL();
+std::string keyboardBLE_getBonds_HAL();
+void keyboardBLE_deleteBonds_HAL();
+bool keyboardBLE_forceConnectionToAddress_HAL(std::string peerAddress);
+typedef void (*tAnnounceBLEmessage_cb)(std::string message);
+extern tAnnounceBLEmessage_cb thisAnnounceBLEmessage_cb;
+void set_announceBLEmessage_cb_HAL(tAnnounceBLEmessage_cb pAnnounceBLEmessage_cb);
+
 void init_keyboardBLE_HAL();
+bool keyboardBLE_isAdvertising_HAL();
 bool keyboardBLE_isConnected_HAL();
 void keyboardBLE_end_HAL();
 void keyboardBLE_write_HAL(uint8_t c);