Add Windows Compatible ID descriptors

firmware/common/usb_standard_request.c

@@ -130,13 +130,17 @@ static usb_request_status_t usb_send_descriptor(
 static usb_request_status_t usb_send_descriptor_string(
 	usb_endpoint_t* const endpoint
 ) {
+	if ((endpoint->setup.value_l == 0xee) &&
+		(endpoint->device->wcid_string_descriptor != NULL)) { /* MS WCID string */
+		return usb_send_descriptor(endpoint, endpoint->device->wcid_string_descriptor);
+	} else {
 		uint_fast8_t index = endpoint->setup.value_l;
 		for( uint_fast8_t i=0; endpoint->device->descriptor_strings[i] != 0; i++ ) {
 			if( i == index ) {
 				return usb_send_descriptor(endpoint, endpoint->device->descriptor_strings[i]);
 			}
 		}
-
+	}
 	return USB_REQUEST_STATUS_STALL;
 }
 
@@ -212,6 +216,26 @@ static usb_request_status_t usb_standard_request_get_descriptor(
 	}
 }
 
+usb_request_status_t usb_vendor_request_read_wcid(
+		usb_endpoint_t* const endpoint,
+		const usb_transfer_stage_t stage
+) {
+	if( stage == USB_TRANSFER_STAGE_SETUP ) {
+		if ((endpoint->setup.index == 0x04) &&
+			(endpoint->device->wcid_feature_descriptor != NULL)) {
+			usb_send_descriptor(endpoint, endpoint->device->wcid_feature_descriptor);
+			return USB_REQUEST_STATUS_OK;
+		}
+		if ((endpoint->setup.index == 0x05) &&
+			(endpoint->device->wcid_extended_properties_descriptor != NULL)) {
+			usb_send_descriptor(endpoint, endpoint->device->wcid_extended_properties_descriptor);
+			return USB_REQUEST_STATUS_OK;
+		}
+		return USB_REQUEST_STATUS_STALL;
+	}
+	return USB_REQUEST_STATUS_OK;
+}
+
 /*********************************************************************/
 
 static usb_request_status_t usb_standard_request_set_address_setup(

firmware/common/usb_standard_request.h

@@ -29,6 +29,11 @@ void usb_set_configuration_changed_cb(
         void (*callback)(usb_device_t* const)
 );
 
+usb_request_status_t usb_vendor_request_read_wcid(
+	usb_endpoint_t* const endpoint,
+    const usb_transfer_stage_t stage
+);
+
 usb_request_status_t usb_standard_request(
 	usb_endpoint_t* const endpoint,
 	const usb_transfer_stage_t stage

firmware/common/usb_type.h

@@ -127,6 +127,9 @@ typedef struct {
 	const uint8_t* const qualifier_descriptor;
 	usb_configuration_t* (*configurations)[];
 	const usb_configuration_t* configuration;
+	uint8_t* wcid_string_descriptor;
+	uint8_t* wcid_feature_descriptor;
+	uint8_t* wcid_extended_properties_descriptor;
 } usb_device_t;
 
 typedef struct usb_endpoint_t usb_endpoint_t;

firmware/hackrf_usb/hackrf_usb.c

@@ -139,6 +139,7 @@ static const usb_request_handler_fn vendor_request_handler[] = {
 	NULL,
 #endif
 	usb_vendor_request_set_freq_explicit,
+	usb_vendor_request_read_wcid,  // USB_WCID_VENDOR_REQ
 };
 
 static const uint32_t vendor_request_handler_count =

firmware/hackrf_usb/usb_descriptor.c

@@ -55,7 +55,7 @@ uint8_t usb_descriptor_device[] = {
 	USB_MAX_PACKET0,		   // bMaxPacketSize0
 	USB_WORD(USB_VENDOR_ID),	   // idVendor
 	USB_WORD(USB_PRODUCT_ID),	   // idProduct
-	USB_WORD(0x0100),		   // bcdDevice
+	USB_WORD(0x0101),		   // bcdDevice
 	0x01,				   // iManufacturer
 	0x02,				   // iProduct
 	0x04,				   // iSerialNumber
@@ -252,3 +252,30 @@ uint8_t* usb_descriptor_strings[] = {
 	usb_descriptor_string_serial_number,
 	0,		// TERMINATOR
 };
+
+uint8_t wcid_string_descriptor[] = {
+	18,                          // bLength
+	USB_DESCRIPTOR_TYPE_STRING,  // bDescriptorType
+	'M', 0x00,
+	'S', 0x00,
+	'F', 0x00,
+	'T', 0x00,
+	'1', 0x00,
+	'0', 0x00,
+	'0', 0x00,
+	USB_WCID_VENDOR_REQ, // vendor request code for further descriptor
+	0x00
+};
+
+uint8_t wcid_feature_descriptor[] = {
+	0x28, 0x00, 0x00, 0x00,  // bLength
+	USB_WORD(0x0100),        // WCID version
+	USB_WORD(0x0004),        // WICD descriptor index
+	0x01,                    //bNumSections
+	0x00,0x00,0x00,0x00,0x00,0x00,0x00, //Reserved
+	0x00,        //bInterfaceNumber
+	0x01,        //Reserved
+	'W', 'I', 'N', 'U', 'S', 'B', 0x00,0x00, //Compatible ID, padded with zeros
+	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //Sub-compatible ID
+	0x00,0x00,0x00,0x00,0x00,0x00            //Reserved
+};

firmware/hackrf_usb/usb_descriptor.h

@@ -34,3 +34,7 @@ extern uint8_t usb_descriptor_string_product[];
 extern uint8_t usb_descriptor_string_serial_number[];
 
 extern uint8_t* usb_descriptor_strings[];
+
+#define USB_WCID_VENDOR_REQ 0x19
+extern uint8_t wcid_string_descriptor[];
+extern uint8_t wcid_feature_descriptor[];

firmware/hackrf_usb/usb_device.c

@@ -51,4 +51,6 @@ usb_device_t usb_device = {
 	.qualifier_descriptor = usb_descriptor_device_qualifier,
 	.configurations = &usb_configurations,
 	.configuration = 0,
+	.wcid_string_descriptor = wcid_string_descriptor,
+	.wcid_feature_descriptor = wcid_feature_descriptor,
 };