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-rw-r--r--Bootloaders/CDC/Descriptors.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/Bootloaders/CDC/Descriptors.c b/Bootloaders/CDC/Descriptors.c
index 5cffe2f69..267c5dcae 100644
--- a/Bootloaders/CDC/Descriptors.c
+++ b/Bootloaders/CDC/Descriptors.c
@@ -206,38 +206,29 @@ 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;
- Size = LanguageString.Header.Size;
- }
+ Address = &LanguageString;
else
- {
- Address = &ProductString;
- Size = ProductString.Header.Size;
- }
+ Address = &ProductString;
break;
}
*DescriptorAddress = Address;
- return Size;
+ return (Address != NULL) ? ((USB_Descriptor_Header_t*)Address)->Size : NO_DESCRIPTOR;
}