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Diffstat (limited to 'core/jni/android_hardware_UsbDevice.cpp')
-rw-r--r--core/jni/android_hardware_UsbDevice.cpp202
1 files changed, 0 insertions, 202 deletions
diff --git a/core/jni/android_hardware_UsbDevice.cpp b/core/jni/android_hardware_UsbDevice.cpp
index b01820c..c2950ea 100644
--- a/core/jni/android_hardware_UsbDevice.cpp
+++ b/core/jni/android_hardware_UsbDevice.cpp
@@ -24,190 +24,8 @@
#include <usbhost/usbhost.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
using namespace android;
-static jfieldID field_context;
-
-struct usb_device* get_device_from_object(JNIEnv* env, jobject javaDevice)
-{
- return (struct usb_device*)env->GetIntField(javaDevice, field_context);
-}
-
-// in android_hardware_UsbEndpoint.cpp
-extern struct usb_endpoint* get_endpoint_from_object(JNIEnv* env, jobject javaEndpoint);
-
-static jboolean
-android_hardware_UsbDevice_open(JNIEnv *env, jobject thiz, jstring deviceName,
- jobject fileDescriptor)
-{
- int fd = getParcelFileDescriptorFD(env, fileDescriptor);
- // duplicate the file descriptor, since ParcelFileDescriptor will eventually close its copy
- fd = dup(fd);
- if (fd < 0)
- return false;
-
- const char *deviceNameStr = env->GetStringUTFChars(deviceName, NULL);
- struct usb_device* device = usb_device_new(deviceNameStr, fd);
- if (device) {
- env->SetIntField(thiz, field_context, (int)device);
- } else {
- LOGE("usb_device_open failed for %s", deviceNameStr);
- close(fd);
- }
-
- env->ReleaseStringUTFChars(deviceName, deviceNameStr);
- return (device != NULL);
-}
-
-static void
-android_hardware_UsbDevice_close(JNIEnv *env, jobject thiz)
-{
- LOGD("close\n");
- struct usb_device* device = get_device_from_object(env, thiz);
- if (device) {
- usb_device_close(device);
- env->SetIntField(thiz, field_context, 0);
- }
-}
-
-static jint
-android_hardware_UsbDevice_get_fd(JNIEnv *env, jobject thiz)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_get_fd");
- return -1;
- }
- return usb_device_get_fd(device);
-}
-
-static jboolean
-android_hardware_UsbDevice_claim_interface(JNIEnv *env, jobject thiz, int interfaceID, jboolean force)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_claim_interface");
- return -1;
- }
-
- int ret = usb_device_claim_interface(device, interfaceID);
- if (ret && force && errno == EBUSY) {
- // disconnect kernel driver and try again
- usb_device_connect_kernel_driver(device, interfaceID, false);
- ret = usb_device_claim_interface(device, interfaceID);
- }
- return ret == 0;
-}
-
-static jint
-android_hardware_UsbDevice_release_interface(JNIEnv *env, jobject thiz, int interfaceID)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_release_interface");
- return -1;
- }
- int ret = usb_device_release_interface(device, interfaceID);
- if (ret == 0) {
- // allow kernel to reconnect its driver
- usb_device_connect_kernel_driver(device, interfaceID, true);
- }
- return ret;
-}
-
-static jint
-android_hardware_UsbDevice_control_request(JNIEnv *env, jobject thiz,
- jint requestType, jint request, jint value, jint index,
- jbyteArray buffer, jint length, jint timeout)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_control_request");
- return -1;
- }
-
- jbyte* bufferBytes = NULL;
- if (buffer) {
- if (env->GetArrayLength(buffer) < length) {
- env->ThrowNew(env->FindClass("java/lang/ArrayIndexOutOfBoundsException"), NULL);
- return -1;
- }
- bufferBytes = env->GetByteArrayElements(buffer, 0);
- }
-
- jint result = usb_device_control_transfer(device, requestType, request,
- value, index, bufferBytes, length, timeout);
-
- if (bufferBytes)
- env->ReleaseByteArrayElements(buffer, bufferBytes, 0);
-
- return result;
-}
-
-static jint
-android_hardware_UsbDevice_bulk_request(JNIEnv *env, jobject thiz,
- jint endpoint, jbyteArray buffer, jint length, jint timeout)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_control_request");
- return -1;
- }
-
- jbyte* bufferBytes = NULL;
- if (buffer) {
- if (env->GetArrayLength(buffer) < length) {
- env->ThrowNew(env->FindClass("java/lang/ArrayIndexOutOfBoundsException"), NULL);
- return -1;
- }
- bufferBytes = env->GetByteArrayElements(buffer, 0);
- }
-
- jint result = usb_device_bulk_transfer(device, endpoint, bufferBytes, length, timeout);
-
- if (bufferBytes)
- env->ReleaseByteArrayElements(buffer, bufferBytes, 0);
-
- return result;
-}
-
-static jobject
-android_hardware_UsbDevice_request_wait(JNIEnv *env, jobject thiz)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_request_wait");
- return NULL;
- }
-
- struct usb_request* request = usb_request_wait(device);
- if (request)
- return (jobject)request->client_data;
- else
- return NULL;
-}
-
-static jstring
-android_hardware_UsbDevice_get_serial(JNIEnv *env, jobject thiz)
-{
- struct usb_device* device = get_device_from_object(env, thiz);
- if (!device) {
- LOGE("device is closed in native_request_wait");
- return NULL;
- }
- char* serial = usb_device_get_serial(device);
- if (!serial)
- return NULL;
- jstring result = env->NewStringUTF(serial);
- free(serial);
- return result;
-}
-
static jint
android_hardware_UsbDevice_get_device_id(JNIEnv *env, jobject clazz, jstring name)
{
@@ -227,21 +45,6 @@ android_hardware_UsbDevice_get_device_name(JNIEnv *env, jobject clazz, jint id)
}
static JNINativeMethod method_table[] = {
- {"native_open", "(Ljava/lang/String;Ljava/io/FileDescriptor;)Z",
- (void *)android_hardware_UsbDevice_open},
- {"native_close", "()V", (void *)android_hardware_UsbDevice_close},
- {"native_get_fd", "()I", (void *)android_hardware_UsbDevice_get_fd},
- {"native_claim_interface", "(IZ)Z",(void *)android_hardware_UsbDevice_claim_interface},
- {"native_release_interface","(I)Z", (void *)android_hardware_UsbDevice_release_interface},
- {"native_control_request", "(IIII[BII)I",
- (void *)android_hardware_UsbDevice_control_request},
- {"native_bulk_request", "(I[BII)I",
- (void *)android_hardware_UsbDevice_bulk_request},
- {"native_request_wait", "()Landroid/hardware/usb/UsbRequest;",
- (void *)android_hardware_UsbDevice_request_wait},
- { "native_get_serial", "()Ljava/lang/String;",
- (void*)android_hardware_UsbDevice_get_serial },
-
// static methods
{ "native_get_device_id", "(Ljava/lang/String;)I",
(void*)android_hardware_UsbDevice_get_device_id },
@@ -256,11 +59,6 @@ int register_android_hardware_UsbDevice(JNIEnv *env)
LOGE("Can't find android/hardware/usb/UsbDevice");
return -1;
}
- field_context = env->GetFieldID(clazz, "mNativeContext", "I");
- if (field_context == NULL) {
- LOGE("Can't find UsbDevice.mNativeContext");
- return -1;
- }
return AndroidRuntime::registerNativeMethods(env, "android/hardware/usb/UsbDevice",
method_table, NELEM(method_table));
generated by cgit v1.1 at 2024-09-12 07:27:39 +0000