From 08e49fd919cd64a4b3b948232aeb5f17bdbe02de Mon Sep 17 00:00:00 2001
From: pifou <pifou@zabeth16.students-info.deule.net>
Date: Fri, 7 Dec 2018 11:10:00 +0000
Subject: [PATCH] Seance 2

---
 test_com.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 51 insertions(+), 16 deletions(-)

diff --git a/test_com.c b/test_com.c
index 01e5fb5..21f8fe8 100644
--- a/test_com.c
+++ b/test_com.c
@@ -2,6 +2,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+// gcc file.c -l usb-1.0
+
 int main(){
 	// init
 	libusb_context *context;
@@ -15,32 +17,65 @@ int main(){
 	for(int i=0; i<devices_count; i++){
 		libusb_device *device = devices[i];
 
+		// device description
+		struct libusb_device_descriptor desc;
+		int status = libusb_get_device_descriptor(device, &desc);
+		if(status != 0) continue;
+		
+		// search for device
+		if(desc.idVendor != 0x0951
+				|| desc.idProduct != 0x01666)
+			continue;
+
 		// 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);}
+		status = libusb_open(device, &handle);
+		if(status != 0){ perror("libusb_open"); exit(-1); }
+		
+		// prepare config
+		struct libusb_config_descriptor *config_desc;
+		status = libusb_get_config_descriptor(device, 0, &config_desc);
+		if(status != 0){ perror("libusb_get_config_descriptor"); exit(-1); }
+		int configuration = config_desc->bConfigurationValue;
 
 		// 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);}
+		for(int j=0; j<config_desc->bNumInterfaces; j++){
+			for(int k=0; k<config_desc->interface[j].num_altsetting; k++){
+				int interface = config_desc->interface[j].altsetting[k].bInterfaceNumber;
+				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);}
+		if(status != 0){ perror("libusb_set_configuration"); exit(-1); }
+		
+		// claim interfaces
+		for(int j=0; j<config_desc->bNumInterfaces; j++){
+			for(int k=0; k<config_desc->interface[j].num_altsetting; k++){
+				int interface = config_desc->interface[j].altsetting[k].bInterfaceNumber;
+				status = libusb_claim_interface(handle, interface);
+				if(status != 0){ perror("libusb_claim_interface"); exit(-1); }
+			}
+		}
 
 		/* ... some code ... */
+		// TODO endpoints
 
-		// close interface
-		status = libusb_release_interface(handle, interface);
-		if(status != 0){perror("libusb_release_interface"); exit(-1);}
+		// release interfaces
+		for(int j=0; j<config_desc->bNumInterfaces; j++){
+			for(int k=0; k<config_desc->interface[j].num_altsetting; k++){
+				int interface = config_desc->interface[j].altsetting[k].bInterfaceNumber;
+				status = libusb_release_interface(handle, interface);
+				if(status != 0){ perror("libusb_release_interface"); exit(-1); }
+			}
+		}
+		
+		// free config
+		libusb_free_config_descriptor(config_desc);
 
 		// close connection
 		libusb_close(handle);
--
libgit2 0.21.2