From c8f6b1784566c8291e1257ef660cff33042aa706 Mon Sep 17 00:00:00 2001
From: Axel CHEMIN <axel.chemin@polytech-lille.net>
Date: Thu, 12 Nov 2020 14:57:25 +0100
Subject: [PATCH] Affichage valeur de la configuration active
---
src/GetUsbInfos.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/src/GetUsbInfos.c b/src/GetUsbInfos.c
index 47da89c..2abccc1 100644
--- a/src/GetUsbInfos.c
+++ b/src/GetUsbInfos.c
@@ -45,18 +45,18 @@ int main() {
perror("libusb_open");
exit(-1);
}
- /*
+
// Si le méchant noyau est passé avant vous :
- int interface = 0; // TEST : FONCTIONNE MAIS CORRESPOND A QUOI?
+ /*int interface = 0; // TEST : FONCTIONNE MAIS CORRESPOND A QUOI?
if (libusb_kernel_driver_active(handle, interface)) {
int statusKDriver = libusb_detach_kernel_driver(handle, interface);
if (statusKDriver != 0) {
perror("libusb_detach_kernel_driver");
exit(-1);
}
- }
+ }*/
- // lectures des configs?
+ /*// lectures des configs?
int configuration = 0; // valueof("bConfigurationValue");
int statusConfig = libusb_set_configuration(handle, configuration);
if (statusConfig != 0) {
@@ -76,6 +76,21 @@ int main() {
break;
printf("Descriptor string : %s ; %i\n", data, statusAscii);
}
+
+
+ //4.2 configuration du périph usb
+ struct libusb_config_descriptor * config;
+ int statusFetchConfig = libusb_get_active_config_descriptor(device, &config);
+ if (statusFetchConfig != 0) {
+ perror("libusb_get_active_config_descriptor");
+ //exit(-1);
+ }
+ printf("Config.bConfigurationValue : %d\n", config->bConfigurationValue);
+ printf("Config/ bLength:%d;bDescriptorType:%d;bNumInterfaces:%d\n",
+ config->bLength, config->bDescriptorType, config->bNumInterfaces);
+
+
+
/* ... some ... code */
libusb_close(handle);
}
--
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