X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/355d12e039caafbb8e0ae18427be3acef03719d1..e9029d49d5455ec146d2e87436d43d747d6c657a:/Bootloaders/CDC/Descriptors.c

diff --git a/Bootloaders/CDC/Descriptors.c b/Bootloaders/CDC/Descriptors.c
index 267c5dcae..2b00d1ead 100644
--- a/Bootloaders/CDC/Descriptors.c
+++ b/Bootloaders/CDC/Descriptors.c
@@ -42,7 +42,7 @@
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
  *  process begins.
  */
-USB_Descriptor_Device_t DeviceDescriptor =
+const USB_Descriptor_Device_t DeviceDescriptor =
 {
 	.Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
 
@@ -69,7 +69,7 @@ USB_Descriptor_Device_t DeviceDescriptor =
  *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
  *  a configuration so that the host may correctly communicate with the USB device.
  */
-USB_Descriptor_Configuration_t ConfigurationDescriptor =
+const USB_Descriptor_Configuration_t ConfigurationDescriptor =
 {
 	.Config =
 		{
@@ -104,7 +104,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 
 	.CDC_Functional_Header =
 		{
-			.Header                 = {.Size = sizeof(USB_Descriptor_CDC_FunctionalHeader_t), .Type = DTYPE_CSInterface},
+			.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},
 			.Subtype                = 0x00,
 
 			.CDCSpecification       = VERSION_BCD(01.10),
@@ -112,7 +112,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 
 	.CDC_Functional_ACM =
 		{
-			.Header                 = {.Size = sizeof(USB_Descriptor_CDC_FunctionalACM_t), .Type = DTYPE_CSInterface},
+			.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},
 			.Subtype                = 0x02,
 
 			.Capabilities           = 0x04,
@@ -120,7 +120,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 
 	.CDC_Functional_Union =
 		{
-			.Header                 = {.Size = sizeof(USB_Descriptor_CDC_FunctionalUnion_t), .Type = DTYPE_CSInterface},
+			.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},
 			.Subtype                = 0x06,
 
 			.MasterInterfaceNumber  = 0,
@@ -131,7 +131,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
-			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_NOTIFICATION_EPNUM),
+			.EndpointAddress        = (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM),
 			.Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 			.EndpointSize           = CDC_NOTIFICATION_EPSIZE,
 			.PollingIntervalMS      = 0xFF
@@ -157,7 +157,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
-			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM),
+			.EndpointAddress        = (ENDPOINT_DIR_OUT | CDC_RX_EPNUM),
 			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 			.EndpointSize           = CDC_TXRX_EPSIZE,
 			.PollingIntervalMS      = 0x01
@@ -167,7 +167,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
-			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM),
+			.EndpointAddress        = (ENDPOINT_DIR_IN | CDC_TX_EPNUM),
 			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 			.EndpointSize           = CDC_TXRX_EPSIZE,
 			.PollingIntervalMS      = 0x01
@@ -178,7 +178,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
  *  the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
  *  via the language ID table available at USB.org what languages the device supports for its string descriptors.
  */
-USB_Descriptor_String_t LanguageString =
+const USB_Descriptor_String_t LanguageString =
 {
 	.Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
 
@@ -189,7 +189,7 @@ USB_Descriptor_String_t LanguageString =
  *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
  *  Descriptor.
  */
-USB_Descriptor_String_t ProductString =
+const USB_Descriptor_String_t ProductString =
 {
 	.Header                 = {.Size = USB_STRING_LEN(18), .Type = DTYPE_String},
 
@@ -206,29 +206,38 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
                                     const uint8_t wIndex,
                                     const void** const DescriptorAddress)
 {
-	const uint8_t DescriptorType   = (wValue >> 8);
-	const uint8_t DescriptorNumber = (wValue & 0xFF);
+	const uint8_t  DescriptorType   = (wValue >> 8);
+	const uint8_t  DescriptorNumber = (wValue & 0xFF);
 
 	const void* Address = NULL;
+	uint16_t    Size    = NO_DESCRIPTOR;
 
 	switch (DescriptorType)
 	{
 		case DTYPE_Device:
 			Address = &DeviceDescriptor;
+			Size    = sizeof(USB_Descriptor_Device_t);
 			break;
 		case DTYPE_Configuration:
 			Address = &ConfigurationDescriptor;
+			Size    = sizeof(USB_Descriptor_Configuration_t);
 			break;
 		case DTYPE_String:
 			if (!(DescriptorNumber))
-			  Address = &LanguageString;
+			{
+				Address = &LanguageString;
+				Size    = LanguageString.Header.Size;
+			}
 			else
-			  Address = &ProductString;
+			{
+				Address = &ProductString;
+				Size    = ProductString.Header.Size;
+			}
 
 			break;
 	}
 
 	*DescriptorAddress = Address;
-	return (Address != NULL) ? ((USB_Descriptor_Header_t*)Address)->Size : NO_DESCRIPTOR;
+	return Size;
 }