1 /****************************************************************************** 2 * 3 * Copyright (C) 2011-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 #pragma once 19 #include <pthread.h> 20 #ifndef UINT32 21 typedef unsigned long UINT32; 22 #endif 23 #include "nfc_target.h" 24 #include "nfc_hal_api.h" 25 #include <hardware/nfc.h> 26 27 28 class ThreadMutex 29 { 30 public: 31 ThreadMutex(); 32 virtual ~ThreadMutex(); 33 void lock(); 34 void unlock(); 35 operator pthread_mutex_t* () {return &mMutex;} 36 private: 37 pthread_mutex_t mMutex; 38 }; 39 40 class ThreadCondVar : public ThreadMutex 41 { 42 public: 43 ThreadCondVar(); 44 virtual ~ThreadCondVar(); 45 void signal(); 46 void wait(); 47 operator pthread_cond_t* () {return &mCondVar;} 48 operator pthread_mutex_t* () {return ThreadMutex::operator pthread_mutex_t*();} 49 private: 50 pthread_cond_t mCondVar; 51 }; 52 53 class AutoThreadMutex 54 { 55 public: 56 AutoThreadMutex(ThreadMutex &m); 57 virtual ~AutoThreadMutex(); 58 operator ThreadMutex& () {return mm;} 59 operator pthread_mutex_t* () {return (pthread_mutex_t*)mm;} 60 private: 61 ThreadMutex &mm; 62 }; 63 64 class NfcAdaptation 65 { 66 public: 67 virtual ~NfcAdaptation(); 68 void Initialize(); 69 void Finalize(); 70 static NfcAdaptation& GetInstance(); 71 tHAL_NFC_ENTRY* GetHalEntryFuncs (); 72 void DownloadFirmware (); 73 74 private: 75 NfcAdaptation(); 76 void signal(); 77 static NfcAdaptation* mpInstance; 78 static ThreadMutex sLock; 79 ThreadCondVar mCondVar; 80 pthread_t mThreadId; 81 tHAL_NFC_ENTRY mHalEntryFuncs; // function pointers for HAL entry points 82 static nfc_nci_device_t* mHalDeviceContext; 83 static tHAL_NFC_CBACK* mHalCallback; 84 static tHAL_NFC_DATA_CBACK* mHalDataCallback; 85 static ThreadCondVar mHalOpenCompletedEvent; 86 static ThreadCondVar mHalCloseCompletedEvent; 87 88 static UINT32 NFCA_TASK (UINT32 arg); 89 static UINT32 Thread (UINT32 arg); 90 void InitializeHalDeviceContext (); 91 static void HalDeviceContextCallback (nfc_event_t event, nfc_status_t event_status); 92 static void HalDeviceContextDataCallback (uint16_t data_len, uint8_t* p_data); 93 94 static void HalInitialize (); 95 static void HalTerminate (); 96 static void HalOpen (tHAL_NFC_CBACK* p_hal_cback, tHAL_NFC_DATA_CBACK* p_data_cback); 97 static void HalClose (); 98 static void HalCoreInitialized (UINT8* p_core_init_rsp_params); 99 static void HalWrite (UINT16 data_len, UINT8* p_data); 100 static BOOLEAN HalPrediscover (); 101 static void HalControlGranted (); 102 static void HalPowerCycle (); 103 static void HalDownloadFirmwareCallback (nfc_event_t event, nfc_status_t event_status); 104 static void HalDownloadFirmwareDataCallback (uint16_t data_len, uint8_t* p_data); 105 }; 106 107