diff options
Diffstat (limited to 'Bootloaders/DFU/Descriptors.c')
| -rw-r--r-- | Bootloaders/DFU/Descriptors.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/Bootloaders/DFU/Descriptors.c b/Bootloaders/DFU/Descriptors.c index 55449c606..b9c77aa9a 100644 --- a/Bootloaders/DFU/Descriptors.c +++ b/Bootloaders/DFU/Descriptors.c @@ -147,29 +147,38 @@ 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: + case DTYPE_Configuration: Address = &ConfigurationDescriptor; + Size = sizeof(USB_Descriptor_Configuration_t); break; - case DTYPE_String: + 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; } |