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First support for Atmel JTAGICE3. Guessed from USB sniffer

Browse Source 
traces made by Knut Schwichtenberg, and by similarity to
JTAGICEmkII.

Still quite incomplete, just megaAVR/JTAG is done by now.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1109 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch
2012-11-28 22:39:01 +00:00
parent 3fabed6ea5
commit ed3033e396
10 changed files with 2389 additions and 1 deletions
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29
usb_libusb.c
View File

@@ -52,7 +52,7 @@
# undef interface
#endif
static char usbbuf[USBDEV_MAX_XFER_MKII];
static char usbbuf[USBDEV_MAX_XFER_3];
static int buflen = -1, bufptr;
static int usb_interface;
@@ -399,6 +399,32 @@ static int usbdev_recv_frame(union filedescriptor *fd, unsigned char *buf, size_
int i;
unsigned char * p = buf;
/* If there's an event EP, and it has data pending, return it first. */
if (fd->usb.eep != 0)
{
rv = usb_bulk_read(udev, fd->usb.eep, usbbuf,
fd->usb.max_xfer, 1);
if (rv > 4)
{
if (verbose >= 3)
{
unsigned short evtserial = (usbbuf[3] << 8) | usbbuf[2];
fprintf(stderr, "Event serial # 0x%04x, replaced by 0xffff\n",
evtserial);
}
usbbuf[3] = usbbuf[2] = 0xff;
memcpy(buf, usbbuf + 2, rv - 2);
n = rv - 2;
goto printout;
}
else if (rv > 0)
{
fprintf(stderr, "Short event len = %d, ignored.\n", rv);
n = rv;
goto printout;
}
}
n = 0;
do
{
@@ -426,6 +452,7 @@ static int usbdev_recv_frame(union filedescriptor *fd, unsigned char *buf, size_
if (nbytes < 0)
return -1;
printout:
if (verbose > 3)
{
i = n;