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Commit 678fa1f4 authored by Iliyan Malchev's avatar Iliyan Malchev
Browse files

android.hardware.nfc@1.0: provide a default implementation 



b/31524912
Test: pass

Change-Id: Id9d34f62f4a2b92bdc3beb3e62c89c82743c0ca0
Signed-off-by: default avatarIliyan Malchev <malchev@google.com>
parent 998892cc

nfc/1.0/default/Android.mk

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LOCAL_PATH:= $(call my-dir)



include $(CLEAR_VARS)

LOCAL_MODULE := android.hardware.nfc@1.0-impl

LOCAL_MODULE_RELATIVE_PATH := hw

LOCAL_SRC_FILES := Nfc.cpp

LOCAL_SHARED_LIBRARIES := liblog libcutils libhardware libhwbinder libbase libcutils libutils libhidl android.hardware.nfc@1.0

include $(BUILD_SHARED_LIBRARY)

nfc/1.0/default/Nfc.cpp

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#include <hardware/hardware.h>

#include <hardware/nfc.h>

#include "Nfc.h"



namespace android {

namespace hardware {

namespace nfc {

namespace V1_0 {

namespace implementation {



sp<INfcClientCallback> Nfc::mCallback = NULL;



Nfc::Nfc(nfc_nci_device_t* device) : mDevice(device) {

}



// Methods from ::android::hardware::nfc::V1_0::INfc follow.

::android::hardware::Return<int32_t> Nfc::open(const sp<INfcClientCallback>& clientCallback)  {

    mCallback = clientCallback;

    return mDevice->open(mDevice, event_callback, data_callback);

}



::android::hardware::Return<int32_t> Nfc::write(const nfc_data_t& data)  {

    return mDevice->write(mDevice, data.data.size(), &data.data[0]);

}



::android::hardware::Return<int32_t> Nfc::core_initialized(const hidl_vec<uint8_t>& data)  {

    hidl_vec<uint8_t> copy = data;

    return mDevice->core_initialized(mDevice, &copy[0]);

}



::android::hardware::Return<int32_t> Nfc::pre_discover()  {

    return mDevice->pre_discover(mDevice);

}



::android::hardware::Return<int32_t> Nfc::close()  {

    return mDevice->close(mDevice);

}



::android::hardware::Return<int32_t> Nfc::control_granted()  {

    return mDevice->control_granted(mDevice);

}



::android::hardware::Return<int32_t> Nfc::power_cycle()  {

    return mDevice->power_cycle(mDevice);

}





INfc* HIDL_FETCH_INfc(const char *hal) {

    nfc_nci_device_t* nfc_device;

    int ret = 0;

    const hw_module_t* hw_module = NULL;



    ret = hw_get_module (hal, &hw_module);

    if (ret == 0)

    {

        ret = nfc_nci_open (hw_module, &nfc_device);

        if (ret != 0) {

            ALOGE ("nfc_nci_open %s failed: %d", hal, ret);

        }

    }

    else

        ALOGE ("hw_get_module %s failed: %d", hal, ret);



    if (ret == 0) {

        return new Nfc(nfc_device);

    } else {

        ALOGE("Passthrough failed to load legacy HAL.");

        return nullptr;

    }

}



} // namespace implementation

}  // namespace V1_0

}  // namespace nfc

}  // namespace hardware

}  // namespace android

nfc/1.0/default/Nfc.h

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#ifndef HIDL_GENERATED_android_hardware_nfc_V1_0_Nfc_H_

#define HIDL_GENERATED_android_hardware_nfc_V1_0_Nfc_H_



#include <android/hardware/nfc/1.0/INfc.h>

#include <hidl/Status.h>

#include <hardware/hardware.h>

#include <hardware/nfc.h>

namespace android {

namespace hardware {

namespace nfc {

namespace V1_0 {

namespace implementation {



using ::android::hardware::nfc::V1_0::INfc;

using ::android::hardware::nfc::V1_0::INfcClientCallback;

using ::android::hardware::nfc::V1_0::nfc_data_t;

using ::android::hardware::Return;

using ::android::hardware::Void;

using ::android::hardware::hidl_vec;

using ::android::hardware::hidl_string;

using ::android::sp;



struct Nfc : public INfc {

  Nfc(nfc_nci_device_t* device);

  ::android::hardware::Return<int32_t> open(const sp<INfcClientCallback>& clientCallback)  override;

  ::android::hardware::Return<int32_t> write(const nfc_data_t& data)  override;

  ::android::hardware::Return<int32_t> core_initialized(const hidl_vec<uint8_t>& data)  override;

  ::android::hardware::Return<int32_t> pre_discover()  override;

  ::android::hardware::Return<int32_t> close()  override;

  ::android::hardware::Return<int32_t> control_granted()  override;

  ::android::hardware::Return<int32_t> power_cycle()  override;



  static void event_callback(uint8_t event, uint8_t status) {

      if (mCallback != nullptr) {

          mCallback->sendEvent(

                  (::android::hardware::nfc::V1_0::nfc_event_t) event,

                  (::android::hardware::nfc::V1_0::nfc_status_t) status);

      }

  }

  static void data_callback(uint16_t data_len, uint8_t* p_data) {

      nfc_data_t data;

      data.data.setToExternal(p_data, data_len);

      if (mCallback != nullptr) {

          mCallback->sendData(data);

      }

  }

  private:

    static sp<INfcClientCallback> mCallback;

    const nfc_nci_device_t*       mDevice;

};



extern "C" INfc* HIDL_FETCH_INfc(const char* name);



}  // namespace implementation

}  // namespace V1_0

}  // namespace nfc

}  // namespace hardware

}  // namespace android



#endif  // HIDL_GENERATED_android_hardware_nfc_V1_0_Nfc_H_