- support for control transfer
- USBException replaced by ArrayIndexOutOfBoundsException on array boundary check git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@232 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
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schlaepfer
@@ -20,14 +20,146 @@ import ch.ntb.usb.logger.LogUtil;
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*/
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public class USB {
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// Standard requests (USB spec 9.4)
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/**
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* The maximum packet size of a bulk transfer when operation in highspeed
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* This request returns status for the specified recipient (USB spec 9.4.5).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_GET_STATUS = 0x00;
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/**
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* This request is used to clear or disable a specific feature (USB spec
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* 9.4.1).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_CLEAR_FEATURE = 0x01;
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// 0x02 is reserved
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/**
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* This request is used to set or enable a specific feature (USB spec
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* 9.4.9).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SET_FEATURE = 0x03;
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// 0x04 is reserved
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/**
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* This request sets the device address for all future device accesses (USB
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* spec 9.4.6).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SET_ADDRESS = 0x05;
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/**
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* This request returns the specified descriptor if the descriptor exists
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* (USB spec 9.4.3).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_GET_DESCRIPTOR = 0x06;
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/**
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* This request is optional and may be used to update existing descriptors
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* or new descriptors may be added (USB spec 9.4.8).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SET_DESCRIPTOR = 0x07;
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/**
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* This request returns the current device configuration value (USB spec
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* 9.4.2).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_GET_CONFIGURATION = 0x08;
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/**
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* This request sets the device configuration (USB spec 9.4.7).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SET_CONFIGURATION = 0x09;
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/**
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* This request returns the selected alternate setting for the specified
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* interface (USB spec 9.4.4).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_GET_INTERFACE = 0x0A;
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/**
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* This request allows the host to select an alternate setting for the
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* specified interface (USB spec 9.4.10).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SET_INTERFACE = 0x0B;
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/**
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* This request is used to set and then report an endpoint<6E>s synchronization
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* frame (USB spec 9.4.11).
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_SYNCH_FRAME = 0x0C;
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// data transfer direction (USB spec 9.3)
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/**
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* Identifies the direction of data transfer in the second phase of the
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* control transfer.<br>
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* The state of the Direction bit is ignored if the wLength field is zero,
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* signifying there is no Data stage.<br>
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* Specifies bit 7 of bmRequestType.
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_TYPE_DIR_HOST_TO_DEVICE = (0x00 << 7),
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REQ_TYPE_DIR_DEVICE_TO_HOST = (0x01 << 7);
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// request types (USB spec 9.3)
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/**
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* Specifies the type of the request.<br>
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* Specifies bits 6..5 of bmRequestType.
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_TYPE_TYPE_STANDARD = (0x00 << 5),
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REQ_TYPE_TYPE_CLASS = (0x01 << 5),
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REQ_TYPE_TYPE_VENDOR = (0x02 << 5),
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REQ_TYPE_TYPE_RESERVED = (0x03 << 5);
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// request recipient (USB spec 9.3)
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/**
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* Specifies the intended recipient of the request.<br>
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* Requests may be directed to the device, an interface on the device, or a
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* specific endpoint on a device. When an interface or endpoint is
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* specified, the wIndex field identifies the interface or endpoint.<br>
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* Specifies bits 4..0 of bmRequestType.
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*
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* @see ch.ntb.usb.Device#controlMsg(int, int, int, int, byte[], int, int,
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* boolean)
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*/
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public static final int REQ_TYPE_RECIP_DEVICE = 0x00,
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REQ_TYPE_RECIP_INTERFACE = 0x01, REQ_TYPE_RECIP_ENDPOINT = 0x02,
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REQ_TYPE_RECIP_OTHER = 0x03;
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/**
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* The maximum packet size of a bulk transfer when operating in highspeed
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* (480 MB/s) mode.
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*/
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public static int HIGHSPEED_MAX_BULK_PACKET_SIZE = 512;
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/**
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* The maximum packet size of a bulk transfer when operation in fullspeed
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* The maximum packet size of a bulk transfer when operating in fullspeed
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* (12 MB/s) mode.
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*/
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public static int FULLSPEED_MAX_BULK_PACKET_SIZE = 64;
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