jackcartersmith/xilinx-usb-driver
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reset the USB cable when /dev/windrvr6 is closed.

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This should solve prolems when impact fails on second use.
This commit is contained in:
Michael Gernoth 2008-04-10 20:25:53 +02:00
parent d6cf203254
commit bbc3baea9b
2 changed files with 8 additions and 2 deletions
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4
Makefile
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@ -1,6 +1,8 @@
#Add -DFORCE_PC3_IDENT to CFLAGS to force the identification of #Add -DFORCE_PC3_IDENT to CFLAGS to force the identification of
#a Parallel Cable III #a Parallel Cable III
CFLAGS=-Wall -fPIC -DUSB_DRIVER_VERSION="\"$(shell stat -c '%y' usb-driver.c |cut -d\. -f1)\"" #-DFORCE_PC3_IDENT #Add -DNO_USB_RESET to disable the hard reset of the cable on
#close of the device
CFLAGS=-Wall -fPIC -DUSB_DRIVER_VERSION="\"$(shell stat -c '%y' usb-driver.c |cut -d\. -f1)\"" #-DFORCE_PC3_IDENT -DNO_USB_RESET
LIBS=-ldl -lusb -lpthread LIBS=-ldl -lusb -lpthread

6
usb-driver.c
View File

@ -830,8 +830,12 @@ int close(int fd) {
if (usbinterface >= 0) if (usbinterface >= 0)
usb_release_interface(usb_devhandle, usbinterface); usb_release_interface(usb_devhandle, usbinterface);
if (usb_devhandle) if (usb_devhandle) {
#ifndef NO_USB_RESET
usb_reset(usb_devhandle);
#endif
usb_close(usb_devhandle); usb_close(usb_devhandle);
}
usb_devhandle = NULL; usb_devhandle = NULL;
usbinterface = -1; usbinterface = -1;