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Add const qualifiers to Host mode Class drivers.

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Fix KeyboardHost ClassDriver demo; boot protocol keyboard report structure in the Host Mode HID Class driver uses the full keycode array from the attached device.
This commit is contained in:
Dean Camera 2009-09-21 06:08:39 +00:00
parent 7478b387a9
commit 9d6a373cb6
14 changed files with 179 additions and 165 deletions
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104
LUFA/Common/FunctionAttributes.h
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@ -34,6 +34,9 @@
* and code generation features of the compiler. Attributes may be placed in the function prototype in any
* order, and multiple attributes can be specified for a single function via a space separated list.
*
* On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are
* critical to the code's function and thus must throw a compiler error when used.
*
* \note Do not include this file directly, rather include the Common.h header file instead to gain this file's
* functionality.
*/
@ -56,10 +59,57 @@
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Indicates to the compiler that the function can not ever return, so that any stack restoring or
* return code may be omitted by the compiler in the resulting binary.
*/
#define ATTR_NO_RETURN __attribute__ ((noreturn))
#if __GNUC__ >= 3
/** Indicates to the compiler that the function can not ever return, so that any stack restoring or
* return code may be omitted by the compiler in the resulting binary.
*/
#define ATTR_NO_RETURN __attribute__ ((noreturn))
/** Indicates that the function returns a value which should not be ignored by the user code. When
* applied, any ignored return value from calling the function will produce a compiler warning.
*/
#define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
/** Indicates that the specified parameters of the function are pointers which should never be NULL.
* When applied as a 1-based comma separated list the compiler will emit a warning if the specified
* parameters are known at compiler time to be NULL at the point of calling the function.
*/
#define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__)))
/** Removes any preamble or postamble from the function. When used, the function will not have any
* register or stack saving code. This should be used with caution, and when used the programmer
* is responsible for maintaining stack and register integrity.
*/
#define ATTR_NAKED __attribute__ ((naked))
/** Prevents the compiler from considering a specified function for inlining. When applied, the given
* function will not be inlined under any circumstances.
*/
#define ATTR_NO_INLINE __attribute__ ((noinline))
/** Forces the compiler to inline the specified function. When applied, the given function will be
* inlined under all circumstances.
*/
#define ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
/** Indicates that the specified function is pure, in that it has no side-effects other than global
* or parameter variable access.
*/
#define ATTR_PURE __attribute__ ((pure))
/** Indicates that the specified function is constant, in that it has no side effects other than
* parameter access.
*/
#define ATTR_CONST __attribute__ ((const))
/** Marks a given function as deprecated, which produces a warning if the function is called. */
#define ATTR_DEPRECATED __attribute__ ((deprecated))
/** Marks a function as a weak reference, which can be overridden by other functions with an
* identical name (in which case the weak reference is discarded at link time).
*/
#define ATTR_WEAK __attribute__ ((weak))
#endif
/** Places the function in one of the initialization sections, which execute before the main function
* of the application. The init function number can be specified as "x", as an integer. Refer to the
@ -67,54 +117,8 @@
*/
#define ATTR_INIT_SECTION(x) __attribute__ ((naked, section (".init" #x )))
/** Indicates that the function returns a value which should not be ignored by the user code. When
* applied, any ignored return value from calling the function will produce a compiler warning.
*/
#define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
/** Indicates that the specified parameters of the function are pointers which should never be NULL.
* When applied as a 1-based comma separated list the compiler will emit a warning if the specified
* parameters are known at compiler time to be NULL at the point of calling the function.
*/
#define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__)))
/** Removes any preamble or postamble from the function. When used, the function will not have any
* register or stack saving code. This should be used with caution, and when used the programmer
* is responsible for maintaining stack and register integrity.
*/
#define ATTR_NAKED __attribute__ ((naked))
/** Prevents the compiler from considering a specified function for inlining. When applied, the given
* function will not be inlined under any circumstances.
*/
#define ATTR_NO_INLINE __attribute__ ((noinline))
/** Forces the compiler to inline the specified function. When applied, the given function will be
* inlined under all circumstances.
*/
#define ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
/** Indicates that the specified function is pure, in that it has no side-effects other than global
* or parameter variable access.
*/
#define ATTR_PURE __attribute__ ((pure))
/** Indicates that the specified function is constant, in that it has no side effects other than
* parameter access.
*/
#define ATTR_CONST __attribute__ ((const))
/** Marks a given function as deprecated, which produces a warning if the function is called. */
#define ATTR_DEPRECATED __attribute__ ((deprecated))
/** Marks a function as a weak reference, which can be overridden by other functions with an
* identical name (in which case the weak reference is discarded at link time).
*/
#define ATTR_WEAK __attribute__ ((weak))
/** Marks a function as an alias for another function of name "x". */
#define ATTR_ALIAS(x) __attribute__ ((alias( #x )))
#endif
/** @} */