src/controller/python/ChipDeviceController-BlePlatformDelegate.h

   1 /*
   2  *
   3  *
   4  *    Copyright (c) 2020 Project CHIP Authors
   5  *    Copyright (c) 2014-2017 Nest Labs, Inc.
   6  *    All rights reserved.
   7  *
   8  *    Licensed under the Apache License, Version 2.0 (the "License");
   9  *    you may not use this file except in compliance with the License.
  10  *    You may obtain a copy of the License at
  11  *
  12  *        http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  *    Unless required by applicable law or agreed to in writing, software
  15  *    distributed under the License is distributed on an "AS IS" BASIS,
  16  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  *    See the License for the specific language governing permissions and
  18  *    limitations under the License.
  19  */
  20 #pragma once
  21
  22 #include <ble/BleLayer.h>
  23 #include <ble/BlePlatformDelegate.h>
  24
  25 typedef bool (*WriteBleCharacteristicCBFunct)(void * connObj, const void * svcId, const void * charId, const void * buffer,
  26                                               uint16_t length);
  27 typedef bool (*SubscribeBleCharacteristicCBFunct)(void * connObj, const void * svcId, const void * charId, bool subscribe);
  28 typedef bool (*CloseBleCBFunct)(void * connObj);
  29
  30 class DeviceController_BlePlatformDelegate : public chip::Ble::BlePlatformDelegate
  31 {
  32 public:
  33     DeviceController_BlePlatformDelegate(chip::Ble::BleLayer * ble);
  34
  35     // Set callback used to send GATT write request
  36     inline void SetWriteCharCB(WriteBleCharacteristicCBFunct cb) { writeCB = cb; };
  37     inline void SetSubscribeCharCB(SubscribeBleCharacteristicCBFunct cb) { subscribeCB = cb; };
  38     inline void SetCloseCB(CloseBleCBFunct cb) { closeCB = cb; };
  39
  40     // Virtuals from BlePlatformDelegate:
  41     bool SubscribeCharacteristic(BLE_CONNECTION_OBJECT connObj, const chip::Ble::ChipBleUUID * svcId,
  42                                  const chip::Ble::ChipBleUUID * charId);
  43     bool UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT connObj, const chip::Ble::ChipBleUUID * svcId,
  44                                    const chip::Ble::ChipBleUUID * charId);
  45     bool CloseConnection(BLE_CONNECTION_OBJECT connObj);
  46     uint16_t GetMTU(BLE_CONNECTION_OBJECT connObj) const;
  47     bool SendIndication(BLE_CONNECTION_OBJECT connObj, const chip::Ble::ChipBleUUID * svcId, const chip::Ble::ChipBleUUID * charId,
  48                         chip::System::PacketBufferHandle pBuf);
  49     bool SendWriteRequest(BLE_CONNECTION_OBJECT connObj, const chip::Ble::ChipBleUUID * svcId,
  50                           const chip::Ble::ChipBleUUID * charId, chip::System::PacketBufferHandle pBuf);
  51     bool SendReadRequest(BLE_CONNECTION_OBJECT connObj, const chip::Ble::ChipBleUUID * svcId, const chip::Ble::ChipBleUUID * charId,
  52                          chip::System::PacketBufferHandle pBuf);
  53     bool SendReadResponse(BLE_CONNECTION_OBJECT connObj, BLE_READ_REQUEST_CONTEXT requestContext,
  54                           const chip::Ble::ChipBleUUID * svcId, const chip::Ble::ChipBleUUID * charId);
  55
  56 private:
  57     chip::Ble::BleLayer * Ble;
  58     WriteBleCharacteristicCBFunct writeCB;
  59     SubscribeBleCharacteristicCBFunct subscribeCB;
  60     CloseBleCBFunct closeCB;
  61 };