Commit 04303f8e authored by Pavel Machek's avatar Pavel Machek Committed by Jiri Kosina
Browse files

HID: samples/hidraw: make it possible to select device 



Makefile that can actually build the example, and allow selecting device to
work on.

Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent f3dddf24

samples/hidraw/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -8,3 +8,5 @@ hostprogs-y := hid-example 
always := $(hostprogs-y)



HOSTCFLAGS_hid-example.o += -I$(objtree)/usr/include



all: hid-example

samples/hidraw/hid-example.c

+5 −1
Original line number Diff line number Diff line
@@ -46,10 +46,14 @@ int main(int argc, char **argv) 
	char buf[256];

	struct hidraw_report_descriptor rpt_desc;

	struct hidraw_devinfo info;

	char *device = "/dev/hidraw0";



	if (argc > 1)

		device = argv[1];



	/* Open the Device with non-blocking reads. In real life,

	   don't use a hard coded path; use libudev instead. */

	fd = open("/dev/hidraw0", O_RDWR|O_NONBLOCK);

	fd = open(device, O_RDWR|O_NONBLOCK);



	if (fd < 0) {

		perror("Unable to open device");