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- support for control transfer

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- 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
This commit is contained in:
schlaepfer
2006-12-19 08:19:30 +00:00
parent f56b79d33a
commit 53fcb783b8
4 changed files with 388 additions and 27 deletions
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120
java/src/ch/ntb/usb/Device.java
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@@ -258,8 +258,8 @@ public class Device {
* endpoint address to write to
* @param data
* data to write to this endpoint
* @param length
* length of the data
* @param size
* size of the data
* @param timeout
* amount of time in ms the device will try to send the data
* until a timeout exception is thrown
@@ -269,7 +269,7 @@ public class Device {
* @return the actual number of bytes written
* @throws USBException
*/
public int writeBulk(int out_ep_address, byte[] data, int length,
public int writeBulk(int out_ep_address, byte[] data, int size,
int timeout, boolean reopenOnTimeout) throws USBException {
if (usbDevHandle <= 0) {
throw new USBException("invalid device handle");
@@ -277,11 +277,11 @@ public class Device {
if (data == null) {
throw new USBException("data must not be null");
}
if (length <= 0) {
throw new USBException("size must be > 0");
if (size <= 0 || size > data.length) {
throw new ArrayIndexOutOfBoundsException("invalid size: " + size);
}
int lenWritten = LibusbJava.usb_bulk_write(usbDevHandle, out_ep_address,
data, length, timeout);
int lenWritten = LibusbJava.usb_bulk_write(usbDevHandle,
out_ep_address, data, size, timeout);
if (lenWritten < 0) {
if (lenWritten == TIMEOUT_ERROR_CODE) {
// try to reopen the device and send the data again
@@ -289,8 +289,7 @@ public class Device {
logger.info("try to reopen");
reset();
open(dev_configuration, dev_interface, dev_altinterface);
return writeBulk(out_ep_address, data, length, timeout,
false);
return writeBulk(out_ep_address, data, size, timeout, false);
}
throw new USBTimeoutException("LibusbWin.usb_bulk_write: "
+ LibusbJava.usb_strerror());
@@ -338,8 +337,8 @@ public class Device {
if (data == null) {
throw new USBException("data must not be null");
}
if (size <= 0) {
throw new USBException("size must be > 0");
if (size <= 0 || size > data.length) {
throw new ArrayIndexOutOfBoundsException("invalid size: " + size);
}
int lenRead = LibusbJava.usb_bulk_read(usbDevHandle, in_ep_address,
data, size, timeout);
@@ -379,8 +378,8 @@ public class Device {
* endpoint address to write to
* @param data
* data to write to this endpoint
* @param length
* length of the data
* @param size
* size of the data
* @param timeout
* amount of time in ms the device will try to send the data
* until a timeout exception is thrown
@@ -390,7 +389,7 @@ public class Device {
* @return the actual number of bytes written
* @throws USBException
*/
public int writeInterrupt(int out_ep_address, byte[] data, int length,
public int writeInterrupt(int out_ep_address, byte[] data, int size,
int timeout, boolean reopenOnTimeout) throws USBException {
if (usbDevHandle <= 0) {
throw new USBException("invalid device handle");
@@ -398,11 +397,11 @@ public class Device {
if (data == null) {
throw new USBException("data must not be null");
}
if (length <= 0) {
throw new USBException("size must be > 0");
if (size <= 0 || size > data.length) {
throw new ArrayIndexOutOfBoundsException("invalid size: " + size);
}
int lenWritten = LibusbJava.usb_interrupt_write(usbDevHandle,
out_ep_address, data, length, timeout);
out_ep_address, data, size, timeout);
if (lenWritten < 0) {
if (lenWritten == TIMEOUT_ERROR_CODE) {
// try to reopen the device and send the data again
@@ -410,8 +409,8 @@ public class Device {
logger.info("try to reopen");
reset();
open(dev_configuration, dev_interface, dev_altinterface);
return writeInterrupt(out_ep_address, data, length,
timeout, false);
return writeInterrupt(out_ep_address, data, size, timeout,
false);
}
throw new USBTimeoutException("LibusbWin.usb_bulk_write: "
+ LibusbJava.usb_strerror());
@@ -459,11 +458,11 @@ public class Device {
if (data == null) {
throw new USBException("data must not be null");
}
if (size <= 0) {
throw new USBException("size must be > 0");
if (size <= 0 || size > data.length) {
throw new ArrayIndexOutOfBoundsException("invalid size: " + size);
}
int lenRead = LibusbJava.usb_interrupt_read(usbDevHandle, in_ep_address,
data, size, timeout);
int lenRead = LibusbJava.usb_interrupt_read(usbDevHandle,
in_ep_address, data, size, timeout);
if (lenRead < 0) {
if (lenRead == TIMEOUT_ERROR_CODE) {
// try to reopen the device and send the data again
@@ -494,6 +493,81 @@ public class Device {
return lenRead;
}
/**
* Performs a control request to the default control pipe on a device.<br>
* The parameters mirror the types of the same name in the USB
* specification.
*
* @param requestType
* USB device request type (USB specification 9.3,
* bmRequestType). Use constants from {@link ch.ntb.usb.USB}
* (REQ_TYPE_xxx).
* @param request
* specific request (USB specification 9.4, bRequest). Use
* constants from {@link ch.ntb.usb.USB} (REQ_xxx).
* @param value
* field that varies according to request (USB specification 9.4,
* wValue)
* @param index
* field that varies according to request (USB specification 9.4,
* wIndex)
* @param data
* the send/receive buffer
* @param size
* the buffer size
* @param timeout
* amount of time in ms the device will try to send/receive data
* until a timeout exception is thrown
* @param reopenOnTimeout
* if set to true, the device will try to open the connection and
* send/receive the data again before a timeout exception is
* thrown
* @return the number of bytes written/read
* @throws USBException
*/
public int controlMsg(int requestType, int request, int value, int index,
byte[] data, int size, int timeout, boolean reopenOnTimeout)
throws USBException {
if (usbDevHandle <= 0) {
throw new USBException("invalid device handle");
}
if (data == null) {
throw new USBException("data must not be null");
}
if (size <= 0 || size > data.length) {
throw new ArrayIndexOutOfBoundsException("invalid size: " + size);
}
int len = LibusbJava.usb_control_msg(usbDevHandle, requestType,
request, value, index, data, size, timeout);
if (len < 0) {
if (len == TIMEOUT_ERROR_CODE) {
// try to reopen the device and send the data again
if (reopenOnTimeout) {
logger.info("try to reopen");
reset();
open(dev_configuration, dev_interface, dev_altinterface);
return controlMsg(requestType, request, value, index, data,
size, timeout, false);
}
throw new USBTimeoutException("LibusbWin.controlMsg: "
+ LibusbJava.usb_strerror());
}
throw new USBException("LibusbWin.controlMsg: "
+ LibusbJava.usb_strerror());
}
logger.info("length read/written: " + len);
if (logger.isLoggable(Level.FINEST)) {
StringBuffer sb = new StringBuffer("controlMsg: " + len
+ " Bytes received(written: ");
for (int i = 0; i < len; i++) {
sb.append("0x" + String.format("%1$02X", data[i]) + " ");
}
logger.info(sb.toString());
}
return len;
}
/**
* Claim an interface to send and receive USB data.<br>
*