diff options
Diffstat (limited to 'Bootloaders/CDC/Descriptors.c')
| -rw-r--r-- | Bootloaders/CDC/Descriptors.c | 19 |
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; } |