diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/hidapi/android/hid.cpp')
| -rw-r--r-- | Source/3rdParty/SDL2/src/hidapi/android/hid.cpp | 1159 |
1 files changed, 0 insertions, 1159 deletions
diff --git a/Source/3rdParty/SDL2/src/hidapi/android/hid.cpp b/Source/3rdParty/SDL2/src/hidapi/android/hid.cpp deleted file mode 100644 index 7b8d41c..0000000 --- a/Source/3rdParty/SDL2/src/hidapi/android/hid.cpp +++ /dev/null @@ -1,1159 +0,0 @@ -//=================== Copyright Valve Corporation, All rights reserved. ======= -// -// Purpose: A wrapper implementing "HID" API for Android -// -// This layer glues the hidapi API to Android's USB and BLE stack. -// -//============================================================================= - -#include <jni.h> -#include <android/log.h> -#include <pthread.h> -#include <errno.h> // For ETIMEDOUT and ECONNRESET -#include <stdlib.h> // For malloc() and free() -#include <string.h> // For memcpy() - -#define TAG "hidapi" - -// Have error log always available -#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__) - -#ifdef DEBUG -#define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__) -#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__) -#else -#define LOGV(...) -#define LOGD(...) -#endif - -#define SDL_JAVA_PREFIX org_libsdl_app -#define CONCAT1(prefix, class, function) CONCAT2(prefix, class, function) -#define CONCAT2(prefix, class, function) Java_ ## prefix ## _ ## class ## _ ## function -#define HID_DEVICE_MANAGER_JAVA_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, HIDDeviceManager, function) - -#include "../hidapi/hidapi.h" - -typedef uint32_t uint32; -typedef uint64_t uint64; - - -struct hid_device_ -{ - int m_nId; - int m_nDeviceRefCount; -}; - -static JavaVM *g_JVM; -static pthread_key_t g_ThreadKey; - -template<class T> -class hid_device_ref -{ -public: - hid_device_ref( T *pObject = nullptr ) : m_pObject( nullptr ) - { - SetObject( pObject ); - } - - hid_device_ref( const hid_device_ref &rhs ) : m_pObject( nullptr ) - { - SetObject( rhs.GetObject() ); - } - - ~hid_device_ref() - { - SetObject( nullptr ); - } - - void SetObject( T *pObject ) - { - if ( m_pObject && m_pObject->DecrementRefCount() == 0 ) - { - delete m_pObject; - } - - m_pObject = pObject; - - if ( m_pObject ) - { - m_pObject->IncrementRefCount(); - } - } - - hid_device_ref &operator =( T *pObject ) - { - SetObject( pObject ); - return *this; - } - - hid_device_ref &operator =( const hid_device_ref &rhs ) - { - SetObject( rhs.GetObject() ); - return *this; - } - - T *GetObject() const - { - return m_pObject; - } - - T* operator->() const - { - return m_pObject; - } - - operator bool() const - { - return ( m_pObject != nullptr ); - } - -private: - T *m_pObject; -}; - -class hid_mutex_guard -{ -public: - hid_mutex_guard( pthread_mutex_t *pMutex ) : m_pMutex( pMutex ) - { - pthread_mutex_lock( m_pMutex ); - } - ~hid_mutex_guard() - { - pthread_mutex_unlock( m_pMutex ); - } - -private: - pthread_mutex_t *m_pMutex; -}; - -class hid_buffer -{ -public: - hid_buffer() : m_pData( nullptr ), m_nSize( 0 ), m_nAllocated( 0 ) - { - } - - hid_buffer( const uint8_t *pData, size_t nSize ) : m_pData( nullptr ), m_nSize( 0 ), m_nAllocated( 0 ) - { - assign( pData, nSize ); - } - - ~hid_buffer() - { - delete[] m_pData; - } - - void assign( const uint8_t *pData, size_t nSize ) - { - if ( nSize > m_nAllocated ) - { - delete[] m_pData; - m_pData = new uint8_t[ nSize ]; - m_nAllocated = nSize; - } - - m_nSize = nSize; - memcpy( m_pData, pData, nSize ); - } - - void clear() - { - m_nSize = 0; - } - - size_t size() const - { - return m_nSize; - } - - const uint8_t *data() const - { - return m_pData; - } - -private: - uint8_t *m_pData; - size_t m_nSize; - size_t m_nAllocated; -}; - -class hid_buffer_pool -{ -public: - hid_buffer_pool() : m_nSize( 0 ), m_pHead( nullptr ), m_pTail( nullptr ), m_pFree( nullptr ) - { - } - - ~hid_buffer_pool() - { - clear(); - - while ( m_pFree ) - { - hid_buffer_entry *pEntry = m_pFree; - m_pFree = m_pFree->m_pNext; - delete pEntry; - } - } - - size_t size() const { return m_nSize; } - - const hid_buffer &front() const { return m_pHead->m_buffer; } - - void pop_front() - { - hid_buffer_entry *pEntry = m_pHead; - if ( pEntry ) - { - m_pHead = pEntry->m_pNext; - if ( !m_pHead ) - { - m_pTail = nullptr; - } - pEntry->m_pNext = m_pFree; - m_pFree = pEntry; - --m_nSize; - } - } - - void emplace_back( const uint8_t *pData, size_t nSize ) - { - hid_buffer_entry *pEntry; - - if ( m_pFree ) - { - pEntry = m_pFree; - m_pFree = m_pFree->m_pNext; - } - else - { - pEntry = new hid_buffer_entry; - } - pEntry->m_pNext = nullptr; - - if ( m_pTail ) - { - m_pTail->m_pNext = pEntry; - } - else - { - m_pHead = pEntry; - } - m_pTail = pEntry; - - pEntry->m_buffer.assign( pData, nSize ); - ++m_nSize; - } - - void clear() - { - while ( size() > 0 ) - { - pop_front(); - } - } - -private: - struct hid_buffer_entry - { - hid_buffer m_buffer; - hid_buffer_entry *m_pNext; - }; - - size_t m_nSize; - hid_buffer_entry *m_pHead; - hid_buffer_entry *m_pTail; - hid_buffer_entry *m_pFree; -}; - -static jbyteArray NewByteArray( JNIEnv* env, const uint8_t *pData, size_t nDataLen ) -{ - jbyteArray array = env->NewByteArray( nDataLen ); - jbyte *pBuf = env->GetByteArrayElements( array, NULL ); - memcpy( pBuf, pData, nDataLen ); - env->ReleaseByteArrayElements( array, pBuf, 0 ); - - return array; -} - -static char *CreateStringFromJString( JNIEnv *env, const jstring &sString ) -{ - size_t nLength = env->GetStringUTFLength( sString ); - const char *pjChars = env->GetStringUTFChars( sString, NULL ); - char *psString = (char*)malloc( nLength + 1 ); - memcpy( psString, pjChars, nLength ); - psString[ nLength ] = '\0'; - env->ReleaseStringUTFChars( sString, pjChars ); - return psString; -} - -static wchar_t *CreateWStringFromJString( JNIEnv *env, const jstring &sString ) -{ - size_t nLength = env->GetStringLength( sString ); - const jchar *pjChars = env->GetStringChars( sString, NULL ); - wchar_t *pwString = (wchar_t*)malloc( ( nLength + 1 ) * sizeof( wchar_t ) ); - wchar_t *pwChars = pwString; - for ( size_t iIndex = 0; iIndex < nLength; ++iIndex ) - { - pwChars[ iIndex ] = pjChars[ iIndex ]; - } - pwString[ nLength ] = '\0'; - env->ReleaseStringChars( sString, pjChars ); - return pwString; -} - -static wchar_t *CreateWStringFromWString( const wchar_t *pwSrc ) -{ - size_t nLength = wcslen( pwSrc ); - wchar_t *pwString = (wchar_t*)malloc( ( nLength + 1 ) * sizeof( wchar_t ) ); - memcpy( pwString, pwSrc, nLength * sizeof( wchar_t ) ); - pwString[ nLength ] = '\0'; - return pwString; -} - -static hid_device_info *CopyHIDDeviceInfo( const hid_device_info *pInfo ) -{ - hid_device_info *pCopy = new hid_device_info; - *pCopy = *pInfo; - pCopy->path = strdup( pInfo->path ); - pCopy->product_string = CreateWStringFromWString( pInfo->product_string ); - pCopy->manufacturer_string = CreateWStringFromWString( pInfo->manufacturer_string ); - pCopy->serial_number = CreateWStringFromWString( pInfo->serial_number ); - return pCopy; -} - -static void FreeHIDDeviceInfo( hid_device_info *pInfo ) -{ - free( pInfo->path ); - free( pInfo->serial_number ); - free( pInfo->manufacturer_string ); - free( pInfo->product_string ); - delete pInfo; -} - -static jclass g_HIDDeviceManagerCallbackClass; -static jobject g_HIDDeviceManagerCallbackHandler; -static jmethodID g_midHIDDeviceManagerOpen; -static jmethodID g_midHIDDeviceManagerSendOutputReport; -static jmethodID g_midHIDDeviceManagerSendFeatureReport; -static jmethodID g_midHIDDeviceManagerGetFeatureReport; -static jmethodID g_midHIDDeviceManagerClose; - -static uint64_t get_timespec_ms( const struct timespec &ts ) -{ - return (uint64_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000; -} - -class CHIDDevice -{ -public: - CHIDDevice( int nDeviceID, hid_device_info *pInfo ) - { - m_nId = nDeviceID; - m_pInfo = pInfo; - - // The Bluetooth Steam Controller needs special handling - const int VALVE_USB_VID = 0x28DE; - const int D0G_BLE2_PID = 0x1106; - if ( pInfo->vendor_id == VALVE_USB_VID && pInfo->product_id == D0G_BLE2_PID ) - { - m_bIsBLESteamController = true; - } - } - - ~CHIDDevice() - { - FreeHIDDeviceInfo( m_pInfo ); - - // Note that we don't delete m_pDevice, as the app may still have a reference to it - } - - int IncrementRefCount() - { - int nValue; - pthread_mutex_lock( &m_refCountLock ); - nValue = ++m_nRefCount; - pthread_mutex_unlock( &m_refCountLock ); - return nValue; - } - - int DecrementRefCount() - { - int nValue; - pthread_mutex_lock( &m_refCountLock ); - nValue = --m_nRefCount; - pthread_mutex_unlock( &m_refCountLock ); - return nValue; - } - - int GetId() - { - return m_nId; - } - - const hid_device_info *GetDeviceInfo() - { - return m_pInfo; - } - - hid_device *GetDevice() - { - return m_pDevice; - } - - void ExceptionCheck( JNIEnv *env, const char *pszMethodName ) - { - if ( env->ExceptionCheck() ) - { - // Get our exception - jthrowable jExcept = env->ExceptionOccurred(); - - // Clear the exception so we can call JNI again - env->ExceptionClear(); - - // Get our exception message - jclass jExceptClass = env->GetObjectClass( jExcept ); - jmethodID jMessageMethod = env->GetMethodID( jExceptClass, "getMessage", "()Ljava/lang/String;" ); - jstring jMessage = (jstring)( env->CallObjectMethod( jExcept, jMessageMethod ) ); - const char *pszMessage = env->GetStringUTFChars( jMessage, NULL ); - - // ...and log it. - LOGE( "CHIDDevice::%s threw an exception: %s", pszMethodName, pszMessage ); - - // Cleanup - env->ReleaseStringUTFChars( jMessage, pszMessage ); - env->DeleteLocalRef( jMessage ); - env->DeleteLocalRef( jExceptClass ); - env->DeleteLocalRef( jExcept ); - } - } - - bool BOpen() - { - // Make sure thread is attached to JVM/env - JNIEnv *env; - g_JVM->AttachCurrentThread( &env, NULL ); - pthread_setspecific( g_ThreadKey, (void*)env ); - - m_bIsWaitingForOpen = false; - m_bOpenResult = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerOpen, m_nId ); - ExceptionCheck( env, "BOpen" ); - - if ( m_bIsWaitingForOpen ) - { - hid_mutex_guard cvl( &m_cvLock ); - - const int OPEN_TIMEOUT_SECONDS = 60; - struct timespec ts, endtime; - clock_gettime( CLOCK_REALTIME, &ts ); - endtime = ts; - endtime.tv_sec += OPEN_TIMEOUT_SECONDS; - do - { - if ( pthread_cond_timedwait( &m_cv, &m_cvLock, &endtime ) != 0 ) - { - break; - } - } - while ( m_bIsWaitingForOpen && get_timespec_ms( ts ) < get_timespec_ms( endtime ) ); - } - - if ( !m_bOpenResult ) - { - if ( m_bIsWaitingForOpen ) - { - LOGV( "Device open failed - timed out waiting for device permission" ); - } - else - { - LOGV( "Device open failed" ); - } - return false; - } - - m_pDevice = new hid_device; - m_pDevice->m_nId = m_nId; - m_pDevice->m_nDeviceRefCount = 1; - LOGD("Creating device %d (%p), refCount = 1\n", m_pDevice->m_nId, m_pDevice); - return true; - } - - void SetOpenPending() - { - m_bIsWaitingForOpen = true; - } - - void SetOpenResult( bool bResult ) - { - if ( m_bIsWaitingForOpen ) - { - m_bOpenResult = bResult; - m_bIsWaitingForOpen = false; - pthread_cond_signal( &m_cv ); - } - } - - void ProcessInput( const uint8_t *pBuf, size_t nBufSize ) - { - hid_mutex_guard l( &m_dataLock ); - - size_t MAX_REPORT_QUEUE_SIZE = 16; - if ( m_vecData.size() >= MAX_REPORT_QUEUE_SIZE ) - { - m_vecData.pop_front(); - } - m_vecData.emplace_back( pBuf, nBufSize ); - } - - int GetInput( unsigned char *data, size_t length ) - { - hid_mutex_guard l( &m_dataLock ); - - if ( m_vecData.size() == 0 ) - { -// LOGV( "hid_read_timeout no data available" ); - return 0; - } - - const hid_buffer &buffer = m_vecData.front(); - size_t nDataLen = buffer.size() > length ? length : buffer.size(); - if ( m_bIsBLESteamController ) - { - data[0] = 0x03; - memcpy( data + 1, buffer.data(), nDataLen ); - ++nDataLen; - } - else - { - memcpy( data, buffer.data(), nDataLen ); - } - m_vecData.pop_front(); - -// LOGV("Read %u bytes", nDataLen); -// LOGV("%02x %02x %02x %02x %02x %02x %02x %02x ....", -// data[0], data[1], data[2], data[3], -// data[4], data[5], data[6], data[7]); - - return nDataLen; - } - - int SendOutputReport( const unsigned char *pData, size_t nDataLen ) - { - // Make sure thread is attached to JVM/env - JNIEnv *env; - g_JVM->AttachCurrentThread( &env, NULL ); - pthread_setspecific( g_ThreadKey, (void*)env ); - - jbyteArray pBuf = NewByteArray( env, pData, nDataLen ); - int nRet = env->CallIntMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerSendOutputReport, m_nId, pBuf ); - ExceptionCheck( env, "SendOutputReport" ); - - env->DeleteLocalRef( pBuf ); - return nRet; - } - - int SendFeatureReport( const unsigned char *pData, size_t nDataLen ) - { - // Make sure thread is attached to JVM/env - JNIEnv *env; - g_JVM->AttachCurrentThread( &env, NULL ); - pthread_setspecific( g_ThreadKey, (void*)env ); - - jbyteArray pBuf = NewByteArray( env, pData, nDataLen ); - int nRet = env->CallIntMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerSendFeatureReport, m_nId, pBuf ); - ExceptionCheck( env, "SendFeatureReport" ); - env->DeleteLocalRef( pBuf ); - return nRet; - } - - void ProcessFeatureReport( const uint8_t *pBuf, size_t nBufSize ) - { - hid_mutex_guard cvl( &m_cvLock ); - if ( m_bIsWaitingForFeatureReport ) - { - m_featureReport.assign( pBuf, nBufSize ); - - m_bIsWaitingForFeatureReport = false; - m_nFeatureReportError = 0; - pthread_cond_signal( &m_cv ); - } - } - - int GetFeatureReport( unsigned char *pData, size_t nDataLen ) - { - // Make sure thread is attached to JVM/env - JNIEnv *env; - g_JVM->AttachCurrentThread( &env, NULL ); - pthread_setspecific( g_ThreadKey, (void*)env ); - - { - hid_mutex_guard cvl( &m_cvLock ); - if ( m_bIsWaitingForFeatureReport ) - { - LOGV( "Get feature report already ongoing... bail" ); - return -1; // Read already ongoing, we currently do not serialize, TODO - } - m_bIsWaitingForFeatureReport = true; - } - - jbyteArray pBuf = NewByteArray( env, pData, nDataLen ); - int nRet = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerGetFeatureReport, m_nId, pBuf ) ? 0 : -1; - ExceptionCheck( env, "GetFeatureReport" ); - env->DeleteLocalRef( pBuf ); - if ( nRet < 0 ) - { - LOGV( "GetFeatureReport failed" ); - m_bIsWaitingForFeatureReport = false; - return -1; - } - - { - hid_mutex_guard cvl( &m_cvLock ); - if ( m_bIsWaitingForFeatureReport ) - { - LOGV("=== Going to sleep" ); - // Wait in CV until we are no longer waiting for a feature report. - const int FEATURE_REPORT_TIMEOUT_SECONDS = 2; - struct timespec ts, endtime; - clock_gettime( CLOCK_REALTIME, &ts ); - endtime = ts; - endtime.tv_sec += FEATURE_REPORT_TIMEOUT_SECONDS; - do - { - if ( pthread_cond_timedwait( &m_cv, &m_cvLock, &endtime ) != 0 ) - { - break; - } - } - while ( m_bIsWaitingForFeatureReport && get_timespec_ms( ts ) < get_timespec_ms( endtime ) ); - - // We are back - if ( m_bIsWaitingForFeatureReport ) - { - m_nFeatureReportError = -ETIMEDOUT; - m_bIsWaitingForFeatureReport = false; - } - LOGV( "=== Got feature report err=%d", m_nFeatureReportError ); - if ( m_nFeatureReportError != 0 ) - { - return m_nFeatureReportError; - } - } - - size_t uBytesToCopy = m_featureReport.size() > nDataLen ? nDataLen : m_featureReport.size(); - memcpy( pData, m_featureReport.data(), uBytesToCopy ); - m_featureReport.clear(); - LOGV( "=== Got %u bytes", uBytesToCopy ); - - return uBytesToCopy; - } - } - - void Close( bool bDeleteDevice ) - { - // Make sure thread is attached to JVM/env - JNIEnv *env; - g_JVM->AttachCurrentThread( &env, NULL ); - pthread_setspecific( g_ThreadKey, (void*)env ); - - env->CallVoidMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerClose, m_nId ); - ExceptionCheck( env, "Close" ); - - hid_mutex_guard dataLock( &m_dataLock ); - m_vecData.clear(); - - // Clean and release pending feature report reads - hid_mutex_guard cvLock( &m_cvLock ); - m_featureReport.clear(); - m_bIsWaitingForFeatureReport = false; - m_nFeatureReportError = -ECONNRESET; - pthread_cond_broadcast( &m_cv ); - - if ( bDeleteDevice ) - { - delete m_pDevice; - m_pDevice = nullptr; - } - } - -private: - pthread_mutex_t m_refCountLock = PTHREAD_MUTEX_INITIALIZER; - int m_nRefCount = 0; - int m_nId = 0; - hid_device_info *m_pInfo = nullptr; - hid_device *m_pDevice = nullptr; - bool m_bIsBLESteamController = false; - - pthread_mutex_t m_dataLock = PTHREAD_MUTEX_INITIALIZER; // This lock has to be held to access m_vecData - hid_buffer_pool m_vecData; - - // For handling get_feature_report - pthread_mutex_t m_cvLock = PTHREAD_MUTEX_INITIALIZER; // This lock has to be held to access any variables below - pthread_cond_t m_cv = PTHREAD_COND_INITIALIZER; - bool m_bIsWaitingForOpen = false; - bool m_bOpenResult = false; - bool m_bIsWaitingForFeatureReport = false; - int m_nFeatureReportError = 0; - hid_buffer m_featureReport; - -public: - hid_device_ref<CHIDDevice> next; -}; - -class CHIDDevice; -static pthread_mutex_t g_DevicesMutex = PTHREAD_MUTEX_INITIALIZER; -static pthread_mutex_t g_DevicesRefCountMutex = PTHREAD_MUTEX_INITIALIZER; -static hid_device_ref<CHIDDevice> g_Devices; - -static hid_device_ref<CHIDDevice> FindDevice( int nDeviceId ) -{ - hid_device_ref<CHIDDevice> pDevice; - - hid_mutex_guard l( &g_DevicesMutex ); - for ( pDevice = g_Devices; pDevice; pDevice = pDevice->next ) - { - if ( pDevice->GetId() == nDeviceId ) - { - break; - } - } - return pDevice; -} - -static void ThreadDestroyed(void* value) -{ - /* The thread is being destroyed, detach it from the Java VM and set the g_ThreadKey value to NULL as required */ - JNIEnv *env = (JNIEnv*) value; - if (env != NULL) { - g_JVM->DetachCurrentThread(); - pthread_setspecific(g_ThreadKey, NULL); - } -} - - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface ); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value); - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceFeatureReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value); - - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz ) -{ - LOGV( "HIDDeviceRegisterCallback()"); - - env->GetJavaVM( &g_JVM ); - - /* - * Create mThreadKey so we can keep track of the JNIEnv assigned to each thread - * Refer to http://developer.android.com/guide/practices/design/jni.html for the rationale behind this - */ - if (pthread_key_create(&g_ThreadKey, ThreadDestroyed) != 0) { - __android_log_print(ANDROID_LOG_ERROR, TAG, "Error initializing pthread key"); - } - - if ( g_HIDDeviceManagerCallbackHandler != NULL ) - { - env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass ); - g_HIDDeviceManagerCallbackClass = NULL; - env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler ); - g_HIDDeviceManagerCallbackHandler = NULL; - } - - g_HIDDeviceManagerCallbackHandler = env->NewGlobalRef( thiz ); - jclass objClass = env->GetObjectClass( thiz ); - if ( objClass ) - { - g_HIDDeviceManagerCallbackClass = reinterpret_cast< jclass >( env->NewGlobalRef( objClass ) ); - g_midHIDDeviceManagerOpen = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "openDevice", "(I)Z" ); - if ( !g_midHIDDeviceManagerOpen ) - { - __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing openDevice" ); - } - g_midHIDDeviceManagerSendOutputReport = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "sendOutputReport", "(I[B)I" ); - if ( !g_midHIDDeviceManagerSendOutputReport ) - { - __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing sendOutputReport" ); - } - g_midHIDDeviceManagerSendFeatureReport = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "sendFeatureReport", "(I[B)I" ); - if ( !g_midHIDDeviceManagerSendFeatureReport ) - { - __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing sendFeatureReport" ); - } - g_midHIDDeviceManagerGetFeatureReport = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "getFeatureReport", "(I[B)Z" ); - if ( !g_midHIDDeviceManagerGetFeatureReport ) - { - __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing getFeatureReport" ); - } - g_midHIDDeviceManagerClose = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "closeDevice", "(I)V" ); - if ( !g_midHIDDeviceManagerClose ) - { - __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing closeDevice" ); - } - env->DeleteLocalRef( objClass ); - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz) -{ - LOGV("HIDDeviceReleaseCallback"); - if ( env->IsSameObject( thiz, g_HIDDeviceManagerCallbackHandler ) ) - { - env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass ); - g_HIDDeviceManagerCallbackClass = NULL; - env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler ); - g_HIDDeviceManagerCallbackHandler = NULL; - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface ) -{ - LOGV( "HIDDeviceConnected() id=%d VID/PID = %.4x/%.4x, interface %d\n", nDeviceID, nVendorId, nProductId, nInterface ); - - hid_device_info *pInfo = new hid_device_info; - memset( pInfo, 0, sizeof( *pInfo ) ); - pInfo->path = CreateStringFromJString( env, sIdentifier ); - pInfo->vendor_id = nVendorId; - pInfo->product_id = nProductId; - pInfo->serial_number = CreateWStringFromJString( env, sSerialNumber ); - pInfo->release_number = nReleaseNumber; - pInfo->manufacturer_string = CreateWStringFromJString( env, sManufacturer ); - pInfo->product_string = CreateWStringFromJString( env, sProduct ); - pInfo->interface_number = nInterface; - - hid_device_ref<CHIDDevice> pDevice( new CHIDDevice( nDeviceID, pInfo ) ); - - hid_mutex_guard l( &g_DevicesMutex ); - hid_device_ref<CHIDDevice> pLast, pCurr; - for ( pCurr = g_Devices; pCurr; pLast = pCurr, pCurr = pCurr->next ) - { - continue; - } - if ( pLast ) - { - pLast->next = pDevice; - } - else - { - g_Devices = pDevice; - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID) -{ - LOGV( "HIDDeviceOpenPending() id=%d\n", nDeviceID ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID ); - if ( pDevice ) - { - pDevice->SetOpenPending(); - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened) -{ - LOGV( "HIDDeviceOpenResult() id=%d, result=%s\n", nDeviceID, bOpened ? "true" : "false" ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID ); - if ( pDevice ) - { - pDevice->SetOpenResult( bOpened ); - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID) -{ - LOGV( "HIDDeviceDisconnected() id=%d\n", nDeviceID ); - hid_device_ref<CHIDDevice> pDevice; - { - hid_mutex_guard l( &g_DevicesMutex ); - hid_device_ref<CHIDDevice> pLast, pCurr; - for ( pCurr = g_Devices; pCurr; pLast = pCurr, pCurr = pCurr->next ) - { - if ( pCurr->GetId() == nDeviceID ) - { - pDevice = pCurr; - - if ( pLast ) - { - pLast->next = pCurr->next; - } - else - { - g_Devices = pCurr->next; - } - } - } - } - if ( pDevice ) - { - pDevice->Close( false ); - } -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value) -{ - jbyte *pBuf = env->GetByteArrayElements(value, NULL); - jsize nBufSize = env->GetArrayLength(value); - -// LOGV( "HIDDeviceInput() id=%d len=%u\n", nDeviceID, nBufSize ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID ); - if ( pDevice ) - { - pDevice->ProcessInput( reinterpret_cast< const uint8_t* >( pBuf ), nBufSize ); - } - - env->ReleaseByteArrayElements(value, pBuf, 0); -} - -extern "C" -JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceFeatureReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value) -{ - jbyte *pBuf = env->GetByteArrayElements(value, NULL); - jsize nBufSize = env->GetArrayLength(value); - - LOGV( "HIDDeviceFeatureReport() id=%d len=%u\n", nDeviceID, nBufSize ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID ); - if ( pDevice ) - { - pDevice->ProcessFeatureReport( reinterpret_cast< const uint8_t* >( pBuf ), nBufSize ); - } - - env->ReleaseByteArrayElements(value, pBuf, 0); -} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -extern "C" -{ - -int hid_init(void) -{ - return 0; -} - -struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id) -{ - struct hid_device_info *root = NULL; - hid_mutex_guard l( &g_DevicesMutex ); - for ( hid_device_ref<CHIDDevice> pDevice = g_Devices; pDevice; pDevice = pDevice->next ) - { - const hid_device_info *info = pDevice->GetDeviceInfo(); - if ( ( vendor_id == 0 && product_id == 0 ) || - ( vendor_id == info->vendor_id && product_id == info->product_id ) ) - { - hid_device_info *dev = CopyHIDDeviceInfo( info ); - dev->next = root; - root = dev; - } - } - return root; -} - -void HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs) -{ - while ( devs ) - { - struct hid_device_info *next = devs->next; - FreeHIDDeviceInfo( devs ); - devs = next; - } -} - -HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number) -{ - // TODO: Implement - return NULL; -} - -HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path, int bExclusive) -{ - LOGV( "hid_open_path( %s )", path ); - - hid_device_ref< CHIDDevice > pDevice; - { - hid_mutex_guard r( &g_DevicesRefCountMutex ); - hid_mutex_guard l( &g_DevicesMutex ); - for ( hid_device_ref<CHIDDevice> pCurr = g_Devices; pCurr; pCurr = pCurr->next ) - { - if ( strcmp( pCurr->GetDeviceInfo()->path, path ) == 0 ) - { - hid_device *pValue = pCurr->GetDevice(); - if ( pValue ) - { - ++pValue->m_nDeviceRefCount; - LOGD("Incrementing device %d (%p), refCount = %d\n", pValue->m_nId, pValue, pValue->m_nDeviceRefCount); - return pValue; - } - - // Hold a shared pointer to the controller for the duration - pDevice = pCurr; - break; - } - } - } - if ( pDevice && pDevice->BOpen() ) - { - return pDevice->GetDevice(); - } - return NULL; -} - -int HID_API_EXPORT HID_API_CALL hid_write(hid_device *device, const unsigned char *data, size_t length) -{ - LOGV( "hid_write id=%d length=%u", device->m_nId, length ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - return pDevice->SendOutputReport( data, length ); - } - return -1; // Controller was disconnected -} - -// TODO: Implement timeout? -int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *device, unsigned char *data, size_t length, int milliseconds) -{ -// LOGV( "hid_read_timeout id=%d length=%u timeout=%d", device->m_nId, length, milliseconds ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - return pDevice->GetInput( data, length ); - } - LOGV( "controller was disconnected" ); - return -1; // Controller was disconnected -} - -// TODO: Implement blocking -int HID_API_EXPORT HID_API_CALL hid_read(hid_device *device, unsigned char *data, size_t length) -{ - LOGV( "hid_read id=%d length=%u", device->m_nId, length ); - return hid_read_timeout( device, data, length, 0 ); -} - -// TODO: Implement? -int HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *device, int nonblock) -{ - return -1; -} - -int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *device, const unsigned char *data, size_t length) -{ - LOGV( "hid_send_feature_report id=%d length=%u", device->m_nId, length ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - return pDevice->SendFeatureReport( data, length ); - } - return -1; // Controller was disconnected -} - - -// Synchronous operation. Will block until completed. -int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *device, unsigned char *data, size_t length) -{ - LOGV( "hid_get_feature_report id=%d length=%u", device->m_nId, length ); - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - return pDevice->GetFeatureReport( data, length ); - } - return -1; // Controller was disconnected -} - - -void HID_API_EXPORT HID_API_CALL hid_close(hid_device *device) -{ - LOGV( "hid_close id=%d", device->m_nId ); - hid_mutex_guard r( &g_DevicesRefCountMutex ); - LOGD("Decrementing device %d (%p), refCount = %d\n", device->m_nId, device, device->m_nDeviceRefCount - 1); - if ( --device->m_nDeviceRefCount == 0 ) - { - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - pDevice->Close( true ); - } - else - { - delete device; - } - LOGD("Deleted device %p\n", device); - } - -} - -int HID_API_EXPORT_CALL hid_get_manufacturer_string(hid_device *device, wchar_t *string, size_t maxlen) -{ - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - wcsncpy( string, pDevice->GetDeviceInfo()->manufacturer_string, maxlen ); - return 0; - } - return -1; -} - -int HID_API_EXPORT_CALL hid_get_product_string(hid_device *device, wchar_t *string, size_t maxlen) -{ - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - wcsncpy( string, pDevice->GetDeviceInfo()->product_string, maxlen ); - return 0; - } - return -1; -} - -int HID_API_EXPORT_CALL hid_get_serial_number_string(hid_device *device, wchar_t *string, size_t maxlen) -{ - hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId ); - if ( pDevice ) - { - wcsncpy( string, pDevice->GetDeviceInfo()->serial_number, maxlen ); - return 0; - } - return -1; -} - -int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *device, int string_index, wchar_t *string, size_t maxlen) -{ - return -1; -} - -HID_API_EXPORT const wchar_t* HID_API_CALL hid_error(hid_device *device) -{ - return NULL; -} - -int hid_exit(void) -{ - return 0; -} - -} |