NfcAdaptation.h revision 5c65c3a0f42e174e47fecd4e569606003217ff4e 
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
21typedef unsigned long   UINT32;
22#endif
23#include "nfc_target.h"
24#include "nfc_hal_api.h"
25#include <hardware/nfc.h>
26
27
28class ThreadMutex
29{
30public:
31    ThreadMutex();
32    virtual ~ThreadMutex();
33    void lock();
34    void unlock();
35    operator pthread_mutex_t* () {return &mMutex;}
36private:
37    pthread_mutex_t mMutex;
38};
39
40class ThreadCondVar : public ThreadMutex
41{
42public:
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*();}
49private:
50    pthread_cond_t  mCondVar;
51};
52
53class AutoThreadMutex
54{
55public:
56    AutoThreadMutex(ThreadMutex &m);
57    virtual ~AutoThreadMutex();
58    operator ThreadMutex& ()          {return mm;}
59    operator pthread_mutex_t* () {return (pthread_mutex_t*)mm;}
60private:
61    ThreadMutex  &mm;
62};
63
64class NfcAdaptation
65{
66public:
67    virtual ~NfcAdaptation();
68    void    Initialize();
69    void    Finalize();
70    static  NfcAdaptation& GetInstance();
71    tHAL_NFC_ENTRY* GetHalEntryFuncs ();
72    void    DownloadFirmware ();
73
74private:
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