1#define LOG_TAG "android.hardware.nfc@1.0-impl" 2 3#include <log/log.h> 4 5#include <hardware/hardware.h> 6#include <hardware/nfc.h> 7#include "Nfc.h" 8 9namespace android { 10namespace hardware { 11namespace nfc { 12namespace V1_0 { 13namespace implementation { 14 15sp<INfcClientCallback> Nfc::mCallback = nullptr; 16 17Nfc::Nfc(nfc_nci_device_t* device) : mDevice(device) {} 18 19// Methods from ::android::hardware::nfc::V1_0::INfc follow. 20::android::hardware::Return<NfcStatus> Nfc::open(const sp<INfcClientCallback>& clientCallback) { 21 mCallback = clientCallback; 22 23 if (mDevice == nullptr || mCallback == nullptr) { 24 return NfcStatus::FAILED; 25 } 26 mCallback->linkToDeath(this, 0 /*cookie*/); 27 int ret = mDevice->open(mDevice, eventCallback, dataCallback); 28 return ret == 0 ? NfcStatus::OK : NfcStatus::FAILED; 29} 30 31::android::hardware::Return<uint32_t> Nfc::write(const hidl_vec<uint8_t>& data) { 32 if (mDevice == nullptr) { 33 return -1; 34 } 35 return mDevice->write(mDevice, data.size(), &data[0]); 36} 37 38::android::hardware::Return<NfcStatus> Nfc::coreInitialized(const hidl_vec<uint8_t>& data) { 39 hidl_vec<uint8_t> copy = data; 40 41 if (mDevice == nullptr) { 42 return NfcStatus::FAILED; 43 } 44 int ret = mDevice->core_initialized(mDevice, ©[0]); 45 return ret == 0 ? NfcStatus::OK : NfcStatus::FAILED; 46} 47 48::android::hardware::Return<NfcStatus> Nfc::prediscover() { 49 if (mDevice == nullptr) { 50 return NfcStatus::FAILED; 51 } 52 return mDevice->pre_discover(mDevice) ? NfcStatus::FAILED : NfcStatus::OK; 53} 54 55::android::hardware::Return<NfcStatus> Nfc::close() { 56 if (mDevice == nullptr || mCallback == nullptr) { 57 return NfcStatus::FAILED; 58 } 59 mCallback->unlinkToDeath(this); 60 return mDevice->close(mDevice) ? NfcStatus::FAILED : NfcStatus::OK; 61} 62 63::android::hardware::Return<NfcStatus> Nfc::controlGranted() { 64 if (mDevice == nullptr) { 65 return NfcStatus::FAILED; 66 } 67 return mDevice->control_granted(mDevice) ? NfcStatus::FAILED : NfcStatus::OK; 68} 69 70::android::hardware::Return<NfcStatus> Nfc::powerCycle() { 71 if (mDevice == nullptr) { 72 return NfcStatus::FAILED; 73 } 74 return mDevice->power_cycle(mDevice) ? NfcStatus::FAILED : NfcStatus::OK; 75} 76 77 78INfc* HIDL_FETCH_INfc(const char * /*name*/) { 79 nfc_nci_device_t* nfc_device; 80 int ret = 0; 81 const hw_module_t* hw_module = nullptr; 82 83 ret = hw_get_module (NFC_NCI_HARDWARE_MODULE_ID, &hw_module); 84 if (ret == 0) { 85 ret = nfc_nci_open (hw_module, &nfc_device); 86 if (ret != 0) { 87 ALOGE ("nfc_nci_open failed: %d", ret); 88 } 89 } 90 else 91 ALOGE ("hw_get_module %s failed: %d", NFC_NCI_HARDWARE_MODULE_ID, ret); 92 93 if (ret == 0) { 94 return new Nfc(nfc_device); 95 } else { 96 ALOGE("Passthrough failed to load legacy HAL."); 97 return nullptr; 98 } 99} 100 101} // namespace implementation 102} // namespace V1_0 103} // namespace nfc 104} // namespace hardware 105} // namespace android 106