From f8fc88aa7576bf3fa52499be36eff347c5016025 Mon Sep 17 00:00:00 2001
From: gperson <guillaume.person@polytech-lille.net>
Date: Thu, 3 Dec 2020 17:23:12 +0100
Subject: [PATCH] avancement juste avant de claim, iterations des interfaces

---
 src/libusb_wrapper.c | 43 +++++++++++++++++++++++++++++++++----------
 src/main.c           |  2 +-
 2 files changed, 34 insertions(+), 11 deletions(-)

diff --git a/src/libusb_wrapper.c b/src/libusb_wrapper.c
index 643a30b..0769d14 100644
--- a/src/libusb_wrapper.c
+++ b/src/libusb_wrapper.c
@@ -126,13 +126,13 @@ void displayDeviceEndpoints(libusb_device_handle* handle) {
 
 
     // lectures des configs?
-    int configuration = 0; // valueof("bConfigurationValue");
+/*    int configuration = 0; // valueof("bConfigurationValue");
     int statusConfig = libusb_set_configuration(handle, configuration);
     if (statusConfig != LIBUSB_SUCCESS) {
         perror("libusb_set_configuration");
         return;
     }
-
+*/
 
     // 4.2 configuration du périph usb
     struct libusb_config_descriptor *config;
@@ -146,17 +146,40 @@ void displayDeviceEndpoints(libusb_device_handle* handle) {
            config->bLength, config->bDescriptorType, config->bNumInterfaces);
 
 
-    // itération de l'interface
-    for (int indexInterface = 0; indexInterface < config->bNumInterfaces;
-         indexInterface++) {
-        // struct libusb_interface * interface =
-        // &config->interface[indexInterface];
-        printf("^%d", indexInterface);
-        printf("Alt%d", config->interface[indexInterface].num_altsetting);
+        // itération de l'interface
+    printf("Itération de l'interface\n");
+    for (int indexInterface = 0; indexInterface < config->bNumInterfaces; indexInterface++) {
+        printf("indexInterface=%d\n", indexInterface);
+        printf("Altsetting=%d\n", config->interface[indexInterface].num_altsetting);
+
+        const struct libusb_interface * interface = &config->interface[indexInterface];
+
+
+        //if 1 setting (or more)
+        if(interface->num_altsetting != 0) {
+            const struct libusb_interface_descriptor * interface_desc = &interface->altsetting[0];
+
+            printf("--bNumEndpoints=%d\n", interface_desc->bNumEndpoints);
+            printf("--bDescriptorType=%d\n", interface_desc->bDescriptorType);
+
+            for(int indexEndpoints = 0; indexEndpoints < interface_desc->bNumEndpoints ; indexEndpoints++){
+                const struct libusb_endpoint_descriptor * endpoint_desc = &interface_desc->endpoint[indexEndpoints];
+                printf("---bDescriptorType=%d\n", endpoint_desc->bDescriptorType);
+                printf("---bEndpointAddress=%d\n", endpoint_desc->bEndpointAddress);
+		
+	        if(endpoint_desc->extra != NULL)
+                    printf("---extra: %s\n", endpoint_desc->extra);
+                if(endpoint_desc->bmAttributes == LIBUSB_TRANSFER_TYPE_INTERRUPT)//TODO AJOUT MASQUE ? (voir doc)
+                    printf("---is of type INTERRUPT\n");
+
+            }
+        }
+
+
     }
 
     printf("\n");
 
     libusb_close(handle);
 
-}
\ No newline at end of file
+}
diff --git a/src/main.c b/src/main.c
index 9393193..b9e4b0d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -34,7 +34,7 @@ int main(int argc, char *argv[]){
                 handle = libusb_open_device_with_vid_pid(context, vendor_id, product_id);
                 if(handle != NULL){
                     printf("Show endpoints of VID:%hu;PID:%hu\n", vendor_id, product_id);
-                    displayDeviceEndpoints(NULL);
+                    displayDeviceEndpoints(handle);
                 }
                 else{
                     printf("Error while getting handle of VID:%hu;PID:%hu\n", vendor_id, product_id);
--
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