/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
* 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, Attributes.h and BoardTypes.h.
*/
-
+
/** @defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
*
* Common utility headers containing macros, functions, enums and types which are common to all
*
* Macros for debugging use.
*/
-
+
/** @defgroup Group_BitManip Endian and Bit Macros
*
* Functions for swapping endianness and reversing bit orders.
/* Includes: */
#include <stdint.h>
#include <stdbool.h>
-
+
#include "Attributes.h"
#include "BoardTypes.h"
* a block (such as inline IF statements).
*/
#define MACROE while (0)
-
+
/** Defines a volatile NOP statement which cannot be optimized out by the compiler, and thus can always
* be set as a breakpoint in the resulting code. Useful for debugging purposes, where the optimiser
* removes/reorders code to the point where break points cannot reliably be set.
*
* \ingroup Group_Debugging
*/
- #define JTAG_DEBUG_POINT() asm volatile ("NOP" ::)
+ #define JTAG_DEBUG_POINT() __asm__ volatile ("NOP" ::)
/** Defines an explicit JTAG break point in the resulting binary via the ASM BREAK statement. When
* a JTAG is used, this causes the program execution to halt when reached until manually resumed.
*
* \ingroup Group_Debugging
*/
- #define JTAG_DEBUG_BREAK() asm volatile ("BREAK" ::)
-
+ #define JTAG_DEBUG_BREAK() __asm__ volatile ("BREAK" ::)
+
/** Macro for testing condition "x" and breaking via JTAG_DEBUG_BREAK() if the condition is false.
*
* \ingroup Group_Debugging
/** Swaps the byte ordering of a 16-bit value at compile time. Do not use this macro for swapping byte orderings
* of dynamic values computed at runtime, use \ref SwapEndian_16() instead. The result of this macro can be used
- * inside struct or other variable initialisers outside of a function, something that is not possible with the
+ * inside struct or other variable initializers outside of a function, something that is not possible with the
* inline function variant.
*
* \param[in] x 16-bit value whose byte ordering is to be swapped.
/** Swaps the byte ordering of a 32-bit value at compile time. Do not use this macro for swapping byte orderings
* of dynamic values computed at runtime- use \ref SwapEndian_32() instead. The result of this macro can be used
- * inside struct or other variable initialisers outside of a function, something that is not possible with the
+ * inside struct or other variable initializers outside of a function, something that is not possible with the
* inline function variant.
*
* \param[in] x 32-bit value whose byte ordering is to be swapped.
return Byte;
}
-
+
/** Function to reverse the byte ordering of the individual bytes in a 16 bit number.
*
* \ingroup Group_BitManip
uint16_t Word;
uint8_t Bytes[2];
} Data;
-
+
Data.Word = Word;
-
+
Temp = Data.Bytes[0];
Data.Bytes[0] = Data.Bytes[1];
Data.Bytes[1] = Temp;
-
+
return Data.Word;
}
uint32_t DWord;
uint8_t Bytes[4];
} Data;
-
+
Data.DWord = DWord;
-
+
Temp = Data.Bytes[0];
Data.Bytes[0] = Data.Bytes[3];
Data.Bytes[3] = Temp;
-
+
Temp = Data.Bytes[1];
Data.Bytes[1] = Data.Bytes[2];
Data.Bytes[2] = Temp;
-
+
return Data.DWord;
}
uint8_t Bytes)
{
uint8_t* CurrDataPos = (uint8_t*)Data;
-
+
while (Bytes > 1)
{
uint8_t Temp = *CurrDataPos;
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff