diff options
Diffstat (limited to 'Projects/AVRISP-MKII/AVRISP-MKII.c')
| -rw-r--r-- | Projects/AVRISP-MKII/AVRISP-MKII.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.c b/Projects/AVRISP-MKII/AVRISP-MKII.c index 236a2a878..71b6da7cd 100644 --- a/Projects/AVRISP-MKII/AVRISP-MKII.c +++ b/Projects/AVRISP-MKII/AVRISP-MKII.c @@ -131,3 +131,24 @@ void AVRISP_Task(void) } } +/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors" + * documentation) by the application code so that the address and size of a requested descriptor can be given + * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function + * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the + * USB host. + * + * \param[in] wValue Descriptor type and index to retrieve + * \param[in] wIndex Sub-index to retrieve (such as a localized string language) + * \param[out] DescriptorAddress Address of the retrieved descriptor + * \param[out] DescriptorMemorySpace Memory space that the descriptor is stored in + * + * \return Length of the retrieved descriptor in bytes, or NO_DESCRIPTOR if the descriptor was not found + */ +uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint8_t wIndex, + const void** const DescriptorAddress, + uint8_t* DescriptorMemorySpace) +{ + return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress, DescriptorMemorySpace); +} + |