récupération des endpoints

achemin1
1 parent f492428d
Showing 3 changed files with 42 additions and 0 deletions Show diff stats
include/libusb_wrapper.h
src/libusb_wrapper.c
src/main.c
@@ -29,5 +29,7 @@ void getOurInterfaces(libusb_device *device,
 void displayDeviceEndpoints ();
+char getOnlyEndpoint(struct libusb_interface * interface);
+
 #endif
@@ -17,6 +17,10 @@ void usbclose(libusb_context *context) {
 void interfaceclaim(libusb_device_handle *handle, struct libusb_interface *interface){
     const struct libusb_interface_descriptor * interface_desc = &interface->altsetting[0]; //TODO enlever cette ligne, refactor
+
+    if(interface_desc->bInterfaceClass == LIBUSB_CLASS_VENDOR_SPEC)//ON PEUT VERIFIER LA CLASS
+        printf("> NOT vendor specific class\n");
+
     int status=libusb_claim_interface(handle, interface_desc->bInterfaceNumber);
     if(status!=0){ perror("libusb_claim_interface"); exit(-1); }
 }
@@ -270,4 +274,19 @@ void getOurInterfaces(libusb_device *device,
         //variables globales
     }
+}
+
+char getOnlyEndpoint(struct libusb_interface * interface){
+
+    const struct libusb_interface_descriptor * interface_desc = &interface->altsetting[0];
+
+    printf("--bNumEndpoints=%d\n", interface_desc->bNumEndpoints);
+    printf("--bDescriptorType=%d\n", interface_desc->bDescriptorType);
+
+    const struct libusb_endpoint_descriptor * endpoint_desc = &interface_desc->endpoint[0];
+
+    if(endpoint_desc->bmAttributes != LIBUSB_TRANSFER_TYPE_INTERRUPT)//ON PEUT VERIFIER LE TRANSFER TYPE
+        printf("> is NOT of type INTERRUPT\n");
+
+    return (char)endpoint_desc->bEndpointAddress;
 }
 \ No newline at end of file
@@ -85,7 +85,28 @@ int main(int argc, char *argv[]){
         printf("-Vibrators\n");
         interfaceclaim(device_handle, int_vibrators);
+        //récupération des endpoints
+        printf("\nRécupération endpoints\n");
+        printf("-Leds");
+        int endpoint_leds=getOnlyEndpoint(int_leds);   /* ID of endpoint (bit 8 is 0) */
+        printf(" is %d\n", endpoint_leds);
+        printf("-Vibrators");
+        int endpoint_vibrators=getOnlyEndpoint(int_vibrators);   /* ID of endpoint (bit 8 is 0) */
+        printf(" is %d\n", endpoint_vibrators);
+
+
         /*LE CODE UTILE*/
+/*
+        char data[MAX_DATA];    // data to send or to receive
+        int size=...;           // size to send or maximum size to receive
+        int timeout=...;        // timeout in ms
+
+        //OUT interrupt, from host to device
+        int bytes_out;
+        int status=libusb_interrupt_transfer(handle,endpoint_out,data,size,&bytes_out,timeout);
+        if(status!=0){ perror("libusb_interrupt_transfer"); exit(-1); }
+*/
+        /*FIN DU CODE UTILE*/
         //Close
         printf("\nUnclaim interfaces ...\n");