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avrdude
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* usb_libusb.c (usbdev_drain): actually implement draining to aid 

synchronizing against a JTAG ICE in weird state.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@497 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2005-09-16 15:01:52 +00:00
parent 2d30c6588b
commit 59e0241a40
2 changed files with 15 additions and 0 deletions
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5
avrdude/ChangeLog
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@ -1,3 +1,8 @@
2005-09-16 Joerg Wunsch <j@uriah.heep.sax.de>
* usb_libusb.c (usbdev_drain): actually implement draining to aid
synchronizing against a JTAG ICE in weird state.
2005-09-16 Joerg Wunsch <j@uriah.heep.sax.de> 2005-09-16 Joerg Wunsch <j@uriah.heep.sax.de>
* butterfly.c: improve the butterfly initialization so it is more likely * butterfly.c: improve the butterfly initialization so it is more likely

10
avrdude/usb_libusb.c
View File

@ -259,6 +259,16 @@ static int usbdev_recv(int fd, unsigned char *buf, size_t nbytes)
static int usbdev_drain(int fd, int display) static int usbdev_drain(int fd, int display)
{ {
usb_dev_handle *udev = (usb_dev_handle *)fd;
int rv;
do {
rv = usb_bulk_read(udev, JTAGICE_BULK_EP, usbbuf, JTAGICE_MAX_XFER, 100);
if (rv > 0 && verbose >= 4)
fprintf(stderr, "%s: usbdev_drain(): flushed %d characters\n",
progname, rv);
} while (rv > 0);
return 0; return 0;
} }