jackcartersmith/xilinx-usb-driver
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BUGFIX: enable cables not connected to the primary parallel port

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This commit is contained in:
michael 2007-04-01 14:37:55 +00:00
parent 45b9b80b6f
commit 1f62c14e4f
1 changed files with 3 additions and 2 deletions
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5
usb-driver.c
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@ -376,10 +376,12 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
ret = (*ioctl_func) (fd, request, wdioctl); ret = (*ioctl_func) (fd, request, wdioctl);
#else #else
if (parportfd < 0) { if (parportfd < 0) {
if (ppbase && ((unsigned long)cr->Card.Item[0].I.IO.dwAddr != ppbase))
parportnum++;
snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum); snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum);
DPRINTF("opening %s\n", ppdev); DPRINTF("opening %s\n", ppdev);
parportfd = open(ppdev, O_RDWR|O_EXCL); parportfd = open(ppdev, O_RDWR|O_EXCL);
parportnum++;
if (parportfd < 0) if (parportfd < 0)
fprintf(stderr,"Can't open %s: %s\n", ppdev, strerror(errno)); fprintf(stderr,"Can't open %s: %s\n", ppdev, strerror(errno));
@ -773,7 +775,6 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
ioctl(parportfd, PPRELEASE); ioctl(parportfd, PPRELEASE);
close(parportfd); close(parportfd);
parportfd = -1; parportfd = -1;
parportnum--;
} }
#endif #endif
} }