| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "UsbDeviceJNI" |
| |
| #include "utils/Log.h" |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "android_runtime/AndroidRuntime.h" |
| |
| #include <usbhost/usbhost.h> |
| |
| using namespace android; |
| |
| static jint |
| android_hardware_UsbDevice_get_device_id(JNIEnv *env, jobject clazz, jstring name) |
| { |
| const char *nameStr = env->GetStringUTFChars(name, NULL); |
| int id = usb_device_get_unique_id_from_name(nameStr); |
| env->ReleaseStringUTFChars(name, nameStr); |
| return id; |
| } |
| |
| static jstring |
| android_hardware_UsbDevice_get_device_name(JNIEnv *env, jobject clazz, jint id) |
| { |
| char* name = usb_device_get_name_from_unique_id(id); |
| jstring result = env->NewStringUTF(name); |
| free(name); |
| return result; |
| } |
| |
| static JNINativeMethod method_table[] = { |
| // static methods |
| { "native_get_device_id", "(Ljava/lang/String;)I", |
| (void*)android_hardware_UsbDevice_get_device_id }, |
| { "native_get_device_name", "(I)Ljava/lang/String;", |
| (void*)android_hardware_UsbDevice_get_device_name }, |
| }; |
| |
| int register_android_hardware_UsbDevice(JNIEnv *env) |
| { |
| return AndroidRuntime::registerNativeMethods(env, "android/hardware/usb/UsbDevice", |
| method_table, NELEM(method_table)); |
| } |