本文整理汇总了Java中android.hardware.usb.UsbConstants.USB_ENDPOINT_XFER_CONTROL属性的典型用法代码示例。如果您正苦于以下问题：Java UsbConstants.USB_ENDPOINT_XFER_CONTROL属性的具体用法？Java UsbConstants.USB_ENDPOINT_XFER_CONTROL怎么用？Java UsbConstants.USB_ENDPOINT_XFER_CONTROL使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.hardware.usb.UsbConstants的用法示例。
在下文中一共展示了UsbConstants.USB_ENDPOINT_XFER_CONTROL属性的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: ConnectedUsbDevice
public ConnectedUsbDevice(UsbDeviceConnection connection, UsbInterface usbInterface) {
this.connection = connection;
this.usbInterface = usbInterface;
initConnection(connection);
int endPoints = usbInterface.getEndpointCount();
int interfaceProtocol = usbInterface.getInterfaceProtocol();
System.out.println("EndPoints: " + endPoints + " | interfaces: " + interfaceProtocol);
out = usbInterface.getEndpoint(1);
in = usbInterface.getEndpoint(2);
for (int x = 0; x < endPoints; x++) {
UsbEndpoint endpoint = usbInterface.getEndpoint(x);
boolean bulk = endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK;
boolean crtl = endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_CONTROL;
boolean inDir = endpoint.getDirection() == UsbConstants.USB_DIR_IN;
boolean outDir = endpoint.getDirection() == UsbConstants.USB_DIR_OUT;
System.out.println("ID: " + x + " Bulk: " + bulk + " Ctrl: " + crtl + " Out: " + outDir + " In: " + inDir);
}
}
示例2: nameForEndpointType
public static String nameForEndpointType(int type) {
switch (type) {
case UsbConstants.USB_ENDPOINT_XFER_BULK:
return "Bulk";
case UsbConstants.USB_ENDPOINT_XFER_CONTROL:
return "Control";
case UsbConstants.USB_ENDPOINT_XFER_INT:
return "Interrupt";
case UsbConstants.USB_ENDPOINT_XFER_ISOC:
return "Isochronous";
default:
return "Unknown Type";
}
}
示例3: endpointTypeName
static String endpointTypeName(int type) {
switch (type) {
case UsbConstants.USB_ENDPOINT_XFER_BULK: return "bulk";
case UsbConstants.USB_ENDPOINT_XFER_CONTROL: return "control";
case UsbConstants.USB_ENDPOINT_XFER_INT: return "interrupt";
case UsbConstants.USB_ENDPOINT_XFER_ISOC: return "isochronous";
default: return "ERR:" + type;
}
}
示例4: detectSpeed
private int detectSpeed(UsbDevice dev, UsbDeviceDescriptor devDesc) {
int possibleSpeeds = FLAG_POSSIBLE_SPEED_LOW |
FLAG_POSSIBLE_SPEED_FULL |
FLAG_POSSIBLE_SPEED_HIGH;
for (int i = 0; i < dev.getInterfaceCount(); i++) {
UsbInterface iface = dev.getInterface(i);
for (int j = 0; j < iface.getEndpointCount(); j++) {
UsbEndpoint endpoint = iface.getEndpoint(j);
if ((endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) ||
(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_ISOC)) {
// Low speed devices can't implement bulk or iso endpoints
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_CONTROL) {
if (endpoint.getMaxPacketSize() > 8) {
// Low speed devices can't use control transfer sizes larger than 8 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getMaxPacketSize() < 64) {
// High speed devices can't use control transfer sizes smaller than 64 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_HIGH;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_INT) {
if (endpoint.getMaxPacketSize() > 8) {
// Low speed devices can't use interrupt transfer sizes larger than 8 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getMaxPacketSize() > 64) {
// Full speed devices can't use interrupt transfer sizes larger than 64 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_FULL;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
// A bulk endpoint alone can accurately distiniguish between
// full and high speed devices
if (endpoint.getMaxPacketSize() == 512) {
// High speed devices can only use 512 byte bulk transfers
possibleSpeeds = FLAG_POSSIBLE_SPEED_HIGH;
}
else {
// Otherwise it must be full speed
possibleSpeeds = FLAG_POSSIBLE_SPEED_FULL;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_ISOC) {
// If the transfer size is 1024, it must be high speed
if (endpoint.getMaxPacketSize() == 1024) {
possibleSpeeds = FLAG_POSSIBLE_SPEED_HIGH;
}
}
}
}
if (devDesc != null) {
if (devDesc.bcdUSB < 0x200) {
// High speed only supported on USB 2.0 or higher
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_HIGH;
}
}
// Return the lowest speed that we're compatible with
System.out.printf("Speed heuristics for device %d left us with 0x%x\n",
dev.getDeviceId(), possibleSpeeds);
if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_LOW) != 0) {
return UsbIpDevice.USB_SPEED_LOW;
}
else if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_FULL) != 0) {
return UsbIpDevice.USB_SPEED_FULL;
}
else if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_HIGH) != 0) {
return UsbIpDevice.USB_SPEED_HIGH;
}
else {
// Something went very wrong in speed detection
return UsbIpDevice.USB_SPEED_UNKNOWN;
}
}