gperson / TutoratPersonChemin

Authored by gperson 2020-11-05 15:39:37 +0100

1 parent 18fb979a

Showing 1 changed file with 39 additions and 2 deletions Show diff stats

src/GetUsbInfos.c

1	1	#include <stdio.h>
2	2	#include <libusb-1.0/libusb.h>
	3	+#include <stdlib.h>
	4	+
	5	+
	6	+
	7	+
	8	+
3	9
4	10	int main(){
5		- return 0;
6		-}
7	11
8	12
9	13
10	14
	15	+
	16	+
	17	+//initiate the usb thing
	18	+
	19	+ libusb_context *context;
	20	+ int status=libusb_init(&context);
	21	+ if(status!=0) {perror("libusb_init"); exit(-1);}
	22	+ /* ... some code ... */
	23	+ libusb_exit(context);
	24	+
	25	+// actually enumerates all the usb and gives some infos abot the usb things
	26	+
	27	+ libusb_device **list;
	28	+ ssize_t count=libusb_get_device_list(context,&list);
	29	+ if(count<0) {perror("libusb_get_device_list"); exit(-1);}
	30	+ ssize_t i=0;
	31	+ for(i=0;i<count;i++){
	32	+ libusb_device *device=list[i];
	33	+ struct libusb_device_descriptor desc;
	34	+
	35	+ int status=libusb_get_device_descriptor(device,&desc);
	36	+ if(status!=0) continue;
	37	+
	38	+ uint8_t bus=libusb_get_bus_number(device);
	39	+ uint8_t address=libusb_get_device_address(device);
	40	+
	41	+ printf("Device Found @ (Bus:Address) %d:%d\n",bus,address);
	42	+ printf("Vendor ID 0x0%x\n",desc.idVendor);
	43	+ printf("Product ID 0x0%x\n",desc.idProduct);
	44	+ }
	45	+ libusb_free_device_list(list,1);
	46	+ return 0;
	47	+}
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