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Rename FunctionAttributes.h to Attributes.h, as some attributes are applicable to variables also. Add new ATTR_NOINIT attribute for global variables.

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Add the beginnings of a SDP implentation to the incomplete BluetoothHost demo.

Add const attribute to the Mass Storage Host driver functions where it was applicable, but missing.
This commit is contained in:
Dean Camera 2010-04-15 11:04:24 +00:00
parent 5e14c194c9
commit 3eb81df998
12 changed files with 190 additions and 19 deletions
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21
LUFA/Common/FunctionAttributes.h → LUFA/Common/Attributes.h
View file

@ -29,11 +29,12 @@
*/
/** \file
* \brief AVR-GCC special function attribute macros.
* \brief AVR-GCC special function/variable attribute macros.
*
* This file contains macros for applying GCC specific attributes to functions to control various optimizer
* 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.
* This file contains macros for applying GCC specific attributes to functions and variables to control various
* optimizer and code generation features of the compiler. Attributes may be placed in the function prototype
* or variable declaration in any order, and multiple attributes can be specified for a single item 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.
@ -43,9 +44,10 @@
*/
/** \ingroup Group_Common
* @defgroup Group_FuncAttr Function Attributes
* @defgroup Group_GCCAttr Function/Variable Attributes
*
* Macros for easy access GCC function attributes, which can be applied to function prototypes.
* Macros for easy access GCC function and variable attributes, which can be applied to function prototypes or
* variable attributes.
*
* @{
*/
@ -110,6 +112,13 @@
* identical name (in which case the weak reference is discarded at link time).
*/
#define ATTR_WEAK __attribute__ ((weak))
/** Forces the compiler to not automatically zero the given global variable on startup, so that the
* current RAM contents is retained. Under most conditions this value will be random due to the
* behaviour of volatile memory once power is removed, but may be used in some specific circumstances,
* like the passing of values back after a system watchdog reset.
*/
#define ATTR_NO_INIT __attribute__ ((section (".noinit")))
#endif
/** Places the function in one of the initialization sections, which execute before the main function

4
LUFA/Common/Common.h
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@ -32,7 +32,7 @@
* \brief Common library convenience macros and functions.
*
* This file contains macros which are common to all library elements, and which may be useful in user code. It
* also includes other common headers, such as Atomic.h, FunctionAttributes.h and BoardTypes.h.
* also includes other common headers, such as Atomic.h, Attributes.h and BoardTypes.h.
*/
/** @defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
@ -59,7 +59,7 @@
/* Includes: */
#include <avr/io.h>
#include "FunctionAttributes.h"
#include "Attributes.h"
#include "BoardTypes.h"
/* Public Interface - May be used in end-application: */