34d0d1db
 pifou
seance 1
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#include <libusb-1.0/libusb.h>
#include <stdio.h>
#include <stdlib.h>
int main(){
// init
libusb_context *context;
int status = libusb_init(&context);
if(status != 0){perror("libusb_init"); exit(-1);}
// devices list
libusb_device **devices;
ssize_t devices_count = libusb_get_device_list(context, &devices);
if(devices_count < 0){perror("libusb_get_device_list"); exit(-1);}
for(int i=0; i<devices_count; i++){
libusb_device *device = devices[i];
// open connection
libusb_device_handle *handle;
status=libusb_open(device,&handle);
if(status!=0){ perror("libusb_open"); exit(-1); }
// init interface
// TODO int interface = valueof("bInterfaceNumber");
status = libusb_claim_interface(handle, interface);
if(status != 0){perror("libusb_claim_interface"); exit(-1);}
// detach kernel
if(libusb_kernel_driver_active(handle, interface)){
status = libusb_detach_kernel_driver(handle, interface);
if(status != 0){perror("libusb_detach_kernel_driver"); exit(-1);}
}
// use config
// TODO int configuration = valueof("bConfigurationValue");
status = libusb_set_configuration(handle, configuration);
if(status != 0){perror("libusb_set_configuration"); exit(-1);}
/* ... some code ... */
// close interface
status = libusb_release_interface(handle, interface);
if(status != 0){perror("libusb_release_interface"); exit(-1);}
// close connection
libusb_close(handle);
}
libusb_free_device_list(devices, 1);
libusb_exit(context);
}
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