remove old refactored code

Author: Jason2866

Diff for: cores/esp32/esp32-hal-bt.h

@@ -31,9 +31,7 @@ typedef enum {
   BT_MODE_BTDM
 } bt_mode;
 
-bool btStarted();
 bool btStart();
-bool btStartMode(bt_mode mode);
 bool btStop();
 
 #ifdef __cplusplus

Diff for: libraries/BluetoothSerial/src/BluetoothSerial.cpp

@@ -660,7 +660,7 @@ static bool _init_bt(const char *deviceName, bt_mode mode) {
     }
   }
 
-  if (!btStarted() && !btStartMode(mode)) {
+  if (!btStart()) {
     log_e("initialize controller failed");
     return false;
   }
@@ -729,7 +729,7 @@ static bool _init_bt(const char *deviceName, bt_mode mode) {
 }
 
 static bool _stop_bt() {
-  if (btStarted()) {
+  if (btStart()) {
     if (_spp_client) {
       esp_spp_disconnect(_spp_client);
     }
@@ -1115,7 +1115,7 @@ bool BluetoothSerial::isReady(bool checkMaster, int timeout) {
     log_e("Master mode is not active. Call begin(localName, true) to enable Master mode");
     return false;
   }
-  if (!btStarted()) {
+  if (!btStart()) {
     log_e("BT is not initialized. Call begin() first");
     return false;
   }

Diff for: libraries/SimpleBLE/src/SimpleBLE.cpp

@@ -60,7 +60,7 @@ static void _on_gap(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
 }
 
 static bool _init_gap(const char *name) {
-  if (!btStarted() && !btStart()) {
+  if (!btStart()) {
     log_e("btStart failed");
     return false;
   }
@@ -93,7 +93,7 @@ static bool _init_gap(const char *name) {
 }
 
 static bool _stop_gap() {
-  if (btStarted()) {
+  if (btStart()) {
     esp_bluedroid_disable();
     esp_bluedroid_deinit();
     btStop();