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Minor documentation improvements.

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pull/1469/head
Dean Camera 12 years ago
parent d4f00fe7d5
commit b181cf4fb8
1 changed files with 14 additions and 14 deletions
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28
LUFA/Drivers/USB/Core/Device.h
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@ -108,19 +108,19 @@
* index and language ID. This function MUST be overridden in the user application (added with full, identical
* prototype and name so that the library can call it to retrieve descriptor data.
*
* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
* lower byte (when more than one descriptor of the given type exists, such as the
* case of string descriptors). The type may be one of the standard types defined
* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
* \param[in] wIndex The language ID of the string to return if the \c wValue type indicates
* \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a
* class-specific standards.
* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
* the address of the descriptor.
* \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
* space in which the descriptor is stored. This parameter does not exist when one
* of the \c USE_*_DESCRIPTORS compile time options is used, or on architectures which
* use a unified address space.
* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
* lower byte (when more than one descriptor of the given type exists, such as the
* case of string descriptors). The type may be one of the standard types defined
* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
* \param[in] wIndex The language ID of the string to return if the \c wValue type indicates
* \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a
* class-specific standards.
* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
* the address of the descriptor.
* \param[out] DescriptorMemorySpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
* space in which the descriptor is stored. This parameter does not exist when one
* of the \c USE_*_DESCRIPTORS compile time options is used, or on architectures which
* use a unified address space.
*
* \note By default, the library expects all descriptors to be located in flash memory via the \c PROGMEM attribute.
* If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
@ -135,7 +135,7 @@
const void** const DescriptorAddress
#if (defined(ARCH_HAS_MULTI_ADDRESS_SPACE) || defined(__DOXYGEN__)) && \
!(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
, uint8_t* MemoryAddressSpace
, uint8_t* const DescriptorMemorySpace
#endif
) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);

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