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3d_print/hannoprint/Marlin-2.1.2.1/Marlin/src/HAL/DUE/usb/compiler.h

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/**
* \file
*
* \brief Commonly used includes, types and macros.
*
* Copyright (c) 2010-2016 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef UTILS_COMPILER_H
#define UTILS_COMPILER_H
#include <sam.h>
#include <chip.h>
#include "arduino_due_x.h"
#include "conf_clock.h"
#ifdef SAM3XA_SERIES
#define SAM3XA 1
#endif
#define UDD_NO_SLEEP_MGR 1
#define pmc_is_wakeup_clocks_restored() true
#undef udd_get_endpoint_size_max
#define UDD_USB_INT_FUN USBD_ISR
/**
* \defgroup group_sam_utils Compiler abstraction layer and code utilities
*
* Compiler abstraction layer and code utilities for AT91SAM.
* This module provides various abstraction layers and utilities to make code compatible between different compilers.
*
* \{
*/
#include <stddef.h>
#if (defined __ICCARM__)
# include <intrinsics.h>
#endif
#include <sam.h>
#include "preprocessor.h"
//_____ D E C L A R A T I O N S ____________________________________________
#ifndef __ASSEMBLY__ // Not defined for assembling.
#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#ifdef __ICCARM__
/*! \name Compiler Keywords
*
* Port of some keywords from GCC to IAR Embedded Workbench.
*/
//! @{
#define __asm__ asm
#define __inline__ inline
#define __volatile__
//! @}
#endif
#define FUNC_PTR void *
/**
* \def UNUSED
* \brief Marking \a v as a unused parameter or value.
*/
#ifndef UNUSED
#define UNUSED(x) ((void)(x))
#endif
/**
* \def unused
* \brief Marking \a v as a unused parameter or value.
*/
#define unused(v) do { (void)(v); }while(0)
/**
* \def barrier
* \brief Memory barrier
*/
#define barrier() __DMB()
/**
* \brief Emit the compiler pragma \a arg.
*
* \param arg The pragma directive as it would appear after \e \#pragma
* (i.e. not stringified).
*/
#define COMPILER_PRAGMA(arg) _Pragma(#arg)
/**
* \def COMPILER_PACK_SET(alignment)
* \brief Set maximum alignment for subsequent struct and union
* definitions to \a alignment.
*/
#define COMPILER_PACK_SET(alignment) COMPILER_PRAGMA(pack(alignment))
/**
* \def COMPILER_PACK_RESET()
* \brief Set default alignment for subsequent struct and union
* definitions.
*/
#define COMPILER_PACK_RESET() COMPILER_PRAGMA(pack())
/**
* \brief Set aligned boundary.
*/
#if (defined __GNUC__) || (defined __CC_ARM)
# define COMPILER_ALIGNED(a) __attribute__((__aligned__(a)))
#elif (defined __ICCARM__)
# define COMPILER_ALIGNED(a) COMPILER_PRAGMA(data_alignment = a)
#endif
/**
* \brief Set word-aligned boundary.
*/
#if (defined __GNUC__) || defined(__CC_ARM)
#define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4)))
#elif (defined __ICCARM__)
#define COMPILER_WORD_ALIGNED COMPILER_PRAGMA(data_alignment = 4)
#endif
/**
* \def __always_inline
* \brief The function should always be inlined.
*
* This annotation instructs the compiler to ignore its inlining
* heuristics and inline the function no matter how big it thinks it
* becomes.
*/
#ifdef __CC_ARM
# define __always_inline __forceinline
#elif (defined __GNUC__)
#ifdef __always_inline
# undef __always_inline
#endif
# define __always_inline inline __attribute__((__always_inline__))
#elif (defined __ICCARM__)
# define __always_inline _Pragma("inline=forced")
#endif
/**
* \def __no_inline
* \brief The function should not be inlined.
*
* This annotation instructs the compiler to ignore its inlining
* heuristics and not inline the function.
*/
#ifdef __CC_ARM
# define __no_inline __attribute__((noinline))
#elif (defined __GNUC__)
# define __no_inline __attribute__((__noinline__))
#elif (defined __ICCARM__)
# define __no_inline _Pragma("inline=never")
#endif
/*! \brief This macro is used to test fatal errors.
*
* The macro tests if the expression is false. If it is, a fatal error is
* detected and the application hangs up. If TEST_SUITE_DEFINE_ASSERT_MACRO
* is defined, a unit test version of the macro is used, to allow execution
* of further tests after a false expression.
*
* \param expr Expression to evaluate and supposed to be nonzero.
*/
#ifdef _ASSERT_ENABLE_
# if defined(TEST_SUITE_DEFINE_ASSERT_MACRO)
// Assert() is defined in unit_test/suite.h
# include "unit_test/suite.h"
# else
#undef TEST_SUITE_DEFINE_ASSERT_MACRO
# define Assert(expr) \
{\
if (!(expr)) while (true);\
}
# endif
#else
# define Assert(expr) ((void) 0)
#endif
/* Define WEAK attribute */
#if defined ( __CC_ARM ) /* Keil µVision 4 */
# define WEAK __attribute__ ((weak))
#elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
# define WEAK __weak
#elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
# define WEAK __attribute__ ((weak))
#endif
/* Define NO_INIT attribute */
#if 0 //ndef NO_INIT
#ifdef __CC_ARM
# define NO_INIT __attribute__((zero_init))
#elif defined ( __ICCARM__ )
# define NO_INIT __no_init
#elif defined ( __GNUC__ )
# define NO_INIT __attribute__((section(".no_init")))
#endif
#endif
/* Define RAMFUNC attribute */
#if defined ( __CC_ARM ) /* Keil µVision 4 */
# define RAMFUNC __attribute__ ((section(".ramfunc")))
#elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
# define RAMFUNC __ramfunc
#elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
# define RAMFUNC __attribute__ ((section(".ramfunc")))
#endif
/* Define OPTIMIZE_HIGH attribute */
#if defined ( __CC_ARM ) /* Keil µVision 4 */
# define OPTIMIZE_HIGH _Pragma("O3")
#elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
# define OPTIMIZE_HIGH _Pragma("optimize=high")
#elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
# define OPTIMIZE_HIGH __attribute__((optimize("s")))
#endif
/*! \name Usual Types
*/
//! @{
typedef unsigned char Bool; //!< Boolean.
#ifndef __cplusplus
#ifndef __bool_true_false_are_defined
typedef unsigned char bool; //!< Boolean.
#endif
#endif
typedef int8_t S8 ; //!< 8-bit signed integer.
typedef uint8_t U8 ; //!< 8-bit unsigned integer.
typedef int16_t S16; //!< 16-bit signed integer.
typedef uint16_t U16; //!< 16-bit unsigned integer.
typedef uint16_t le16_t;
typedef uint16_t be16_t;
typedef int32_t S32; //!< 32-bit signed integer.
typedef uint32_t U32; //!< 32-bit unsigned integer.
typedef uint32_t le32_t;
typedef uint32_t be32_t;
typedef int64_t S64; //!< 64-bit signed integer.
typedef uint64_t U64; //!< 64-bit unsigned integer.
typedef float F32; //!< 32-bit floating-point number.
typedef double F64; //!< 64-bit floating-point number.
typedef uint32_t iram_size_t;
//! @}
/*! \name Status Types
*/
//! @{
typedef bool Status_bool_t; //!< Boolean status.
typedef U8 Status_t; //!< 8-bit-coded status.
//! @}
/*! \name Aliasing Aggregate Types
*/
//! @{
//! 16-bit union.
typedef union
{
S16 s16 ;
U16 u16 ;
S8 s8 [2];
U8 u8 [2];
} Union16;
//! 32-bit union.
typedef union
{
S32 s32 ;
U32 u32 ;
S16 s16[2];
U16 u16[2];
S8 s8 [4];
U8 u8 [4];
} Union32;
//! 64-bit union.
typedef union
{
S64 s64 ;
U64 u64 ;
S32 s32[2];
U32 u32[2];
S16 s16[4];
U16 u16[4];
S8 s8 [8];
U8 u8 [8];
} Union64;
//! Union of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
typedef union
{
S64 *s64ptr;
U64 *u64ptr;
S32 *s32ptr;
U32 *u32ptr;
S16 *s16ptr;
U16 *u16ptr;
S8 *s8ptr ;
U8 *u8ptr ;
} UnionPtr;
//! Union of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
typedef union
{
volatile S64 *s64ptr;
volatile U64 *u64ptr;
volatile S32 *s32ptr;
volatile U32 *u32ptr;
volatile S16 *s16ptr;
volatile U16 *u16ptr;
volatile S8 *s8ptr ;
volatile U8 *u8ptr ;
} UnionVPtr;
//! Union of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
typedef union
{
const S64 *s64ptr;
const U64 *u64ptr;
const S32 *s32ptr;
const U32 *u32ptr;
const S16 *s16ptr;
const U16 *u16ptr;
const S8 *s8ptr ;
const U8 *u8ptr ;
} UnionCPtr;
//! Union of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
typedef union
{
const volatile S64 *s64ptr;
const volatile U64 *u64ptr;
const volatile S32 *s32ptr;
const volatile U32 *u32ptr;
const volatile S16 *s16ptr;
const volatile U16 *u16ptr;
const volatile S8 *s8ptr ;
const volatile U8 *u8ptr ;
} UnionCVPtr;
//! Structure of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
typedef struct
{
S64 *s64ptr;
U64 *u64ptr;
S32 *s32ptr;
U32 *u32ptr;
S16 *s16ptr;
U16 *u16ptr;
S8 *s8ptr ;
U8 *u8ptr ;
} StructPtr;
//! Structure of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
typedef struct
{
volatile S64 *s64ptr;
volatile U64 *u64ptr;
volatile S32 *s32ptr;
volatile U32 *u32ptr;
volatile S16 *s16ptr;
volatile U16 *u16ptr;
volatile S8 *s8ptr ;
volatile U8 *u8ptr ;
} StructVPtr;
//! Structure of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
typedef struct
{
const S64 *s64ptr;
const U64 *u64ptr;
const S32 *s32ptr;
const U32 *u32ptr;
const S16 *s16ptr;
const U16 *u16ptr;
const S8 *s8ptr ;
const U8 *u8ptr ;
} StructCPtr;
//! Structure of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
typedef struct
{
const volatile S64 *s64ptr;
const volatile U64 *u64ptr;
const volatile S32 *s32ptr;
const volatile U32 *u32ptr;
const volatile S16 *s16ptr;
const volatile U16 *u16ptr;
const volatile S8 *s8ptr ;
const volatile U8 *u8ptr ;
} StructCVPtr;
//! @}
#endif // #ifndef __ASSEMBLY__
/*! \name Usual Constants
*/
//! @{
#define DISABLE 0
#define ENABLE 1
#ifndef __cplusplus
#ifndef __bool_true_false_are_defined
#define false (1==0)
#define true (1==1)
#endif
#endif
#ifndef PASS
#define PASS 0
#endif
#ifndef FAIL
#define FAIL 1
#endif
#ifndef LOW
#define LOW 0x0
#endif
#ifndef HIGH
#define HIGH 0x1
#endif
//! @}
#ifndef __ASSEMBLY__ // not for assembling.
//! \name Optimization Control
//@{
/**
* \def likely(exp)
* \brief The expression \a exp is likely to be true
*/
#ifndef likely
# define likely(exp) (exp)
#endif
/**
* \def unlikely(exp)
* \brief The expression \a exp is unlikely to be true
*/
#ifndef unlikely
# define unlikely(exp) (exp)
#endif
/**
* \def is_constant(exp)
* \brief Determine if an expression evaluates to a constant value.
*
* \param exp Any expression
*
* \return true if \a exp is constant, false otherwise.
*/
#if (defined __GNUC__) || (defined __CC_ARM)
# define is_constant(exp) __builtin_constant_p(exp)
#else
# define is_constant(exp) (0)
#endif
//! @}
/*! \name Bit-Field Handling
*/
//! @{
/*! \brief Reads the bits of a value specified by a given bit-mask.
*
* \param value Value to read bits from.
* \param mask Bit-mask indicating bits to read.
*
* \return Read bits.
*/
#define Rd_bits( value, mask) ((value) & (mask))
/*! \brief Writes the bits of a C lvalue specified by a given bit-mask.
*
* \param lvalue C lvalue to write bits to.
* \param mask Bit-mask indicating bits to write.
* \param bits Bits to write.
*
* \return Resulting value with written bits.
*/
#define Wr_bits(lvalue, mask, bits) ((lvalue) = ((lvalue) & ~(mask)) |\
((bits ) & (mask)))
/*! \brief Tests the bits of a value specified by a given bit-mask.
*
* \param value Value of which to test bits.
* \param mask Bit-mask indicating bits to test.
*
* \return \c 1 if at least one of the tested bits is set, else \c 0.
*/
#define Tst_bits( value, mask) (Rd_bits(value, mask) != 0)
/*! \brief Clears the bits of a C lvalue specified by a given bit-mask.
*
* \param lvalue C lvalue of which to clear bits.
* \param mask Bit-mask indicating bits to clear.
*
* \return Resulting value with cleared bits.
*/
#define Clr_bits(lvalue, mask) ((lvalue) &= ~(mask))
/*! \brief Sets the bits of a C lvalue specified by a given bit-mask.
*
* \param lvalue C lvalue of which to set bits.
* \param mask Bit-mask indicating bits to set.
*
* \return Resulting value with set bits.
*/
#define Set_bits(lvalue, mask) ((lvalue) |= (mask))
/*! \brief Toggles the bits of a C lvalue specified by a given bit-mask.
*
* \param lvalue C lvalue of which to toggle bits.
* \param mask Bit-mask indicating bits to toggle.
*
* \return Resulting value with toggled bits.
*/
#define Tgl_bits(lvalue, mask) ((lvalue) ^= (mask))
/*! \brief Reads the bit-field of a value specified by a given bit-mask.
*
* \param value Value to read a bit-field from.
* \param mask Bit-mask indicating the bit-field to read.
*
* \return Read bit-field.
*/
#define Rd_bitfield( value, mask) (Rd_bits( value, mask) >> ctz(mask))
/*! \brief Writes the bit-field of a C lvalue specified by a given bit-mask.
*
* \param lvalue C lvalue to write a bit-field to.
* \param mask Bit-mask indicating the bit-field to write.
* \param bitfield Bit-field to write.
*
* \return Resulting value with written bit-field.
*/
#define Wr_bitfield(lvalue, mask, bitfield) (Wr_bits(lvalue, mask, (U32)(bitfield) << ctz(mask)))
//! @}
/*! \name Zero-Bit Counting
*
* Under GCC, __builtin_clz and __builtin_ctz behave like macros when
* applied to constant expressions (values known at compile time), so they are
* more optimized than the use of the corresponding assembly instructions and
* they can be used as constant expressions e.g. to initialize objects having
* static storage duration, and like the corresponding assembly instructions
* when applied to non-constant expressions (values unknown at compile time), so
* they are more optimized than an assembly periphrasis. Hence, clz and ctz
* ensure a possible and optimized behavior for both constant and non-constant
* expressions.
*/
//! @{
/*! \brief Counts the leading zero bits of the given value considered as a 32-bit integer.
*
* \param u Value of which to count the leading zero bits.
*
* \return The count of leading zero bits in \a u.
*/
#ifndef clz
#if (defined __GNUC__) || (defined __CC_ARM)
# define clz(u) ((u) ? __builtin_clz(u) : 32)
#elif (defined __ICCARM__)
# define clz(u) ((u) ? __CLZ(u) : 32)
#else
# define clz(u) (((u) == 0) ? 32 : \
((u) & (1UL << 31)) ? 0 : \
((u) & (1UL << 30)) ? 1 : \
((u) & (1UL << 29)) ? 2 : \
((u) & (1UL << 28)) ? 3 : \
((u) & (1UL << 27)) ? 4 : \
((u) & (1UL << 26)) ? 5 : \
((u) & (1UL << 25)) ? 6 : \
((u) & (1UL << 24)) ? 7 : \
((u) & (1UL << 23)) ? 8 : \
((u) & (1UL << 22)) ? 9 : \
((u) & (1UL << 21)) ? 10 : \
((u) & (1UL << 20)) ? 11 : \
((u) & (1UL << 19)) ? 12 : \
((u) & (1UL << 18)) ? 13 : \
((u) & (1UL << 17)) ? 14 : \
((u) & (1UL << 16)) ? 15 : \
((u) & (1UL << 15)) ? 16 : \
((u) & (1UL << 14)) ? 17 : \
((u) & (1UL << 13)) ? 18 : \
((u) & (1UL << 12)) ? 19 : \
((u) & (1UL << 11)) ? 20 : \
((u) & (1UL << 10)) ? 21 : \
((u) & (1UL << 9)) ? 22 : \
((u) & (1UL << 8)) ? 23 : \
((u) & (1UL << 7)) ? 24 : \
((u) & (1UL << 6)) ? 25 : \
((u) & (1UL << 5)) ? 26 : \
((u) & (1UL << 4)) ? 27 : \
((u) & (1UL << 3)) ? 28 : \
((u) & (1UL << 2)) ? 29 : \
((u) & (1UL << 1)) ? 30 : \
31)
#endif
#endif
/*! \brief Counts the trailing zero bits of the given value considered as a 32-bit integer.
*
* \param u Value of which to count the trailing zero bits.
*
* \return The count of trailing zero bits in \a u.
*/
#ifndef ctz
#if (defined __GNUC__) || (defined __CC_ARM)
# define ctz(u) ((u) ? __builtin_ctz(u) : 32)
#else
# define ctz(u) ((u) & (1UL << 0) ? 0 : \
(u) & (1UL << 1) ? 1 : \
(u) & (1UL << 2) ? 2 : \
(u) & (1UL << 3) ? 3 : \
(u) & (1UL << 4) ? 4 : \
(u) & (1UL << 5) ? 5 : \
(u) & (1UL << 6) ? 6 : \
(u) & (1UL << 7) ? 7 : \
(u) & (1UL << 8) ? 8 : \
(u) & (1UL << 9) ? 9 : \
(u) & (1UL << 10) ? 10 : \
(u) & (1UL << 11) ? 11 : \
(u) & (1UL << 12) ? 12 : \
(u) & (1UL << 13) ? 13 : \
(u) & (1UL << 14) ? 14 : \
(u) & (1UL << 15) ? 15 : \
(u) & (1UL << 16) ? 16 : \
(u) & (1UL << 17) ? 17 : \
(u) & (1UL << 18) ? 18 : \
(u) & (1UL << 19) ? 19 : \
(u) & (1UL << 20) ? 20 : \
(u) & (1UL << 21) ? 21 : \
(u) & (1UL << 22) ? 22 : \
(u) & (1UL << 23) ? 23 : \
(u) & (1UL << 24) ? 24 : \
(u) & (1UL << 25) ? 25 : \
(u) & (1UL << 26) ? 26 : \
(u) & (1UL << 27) ? 27 : \
(u) & (1UL << 28) ? 28 : \
(u) & (1UL << 29) ? 29 : \
(u) & (1UL << 30) ? 30 : \
(u) & (1UL << 31) ? 31 : \
32)
#endif
#endif
//! @}
/*! \name Bit Reversing
*/
//! @{
/*! \brief Reverses the bits of \a u8.
*
* \param u8 U8 of which to reverse the bits.
*
* \return Value resulting from \a u8 with reversed bits.
*/
#define bit_reverse8(u8) ((U8)(bit_reverse32((U8)(u8)) >> 24))
/*! \brief Reverses the bits of \a u16.
*
* \param u16 U16 of which to reverse the bits.
*
* \return Value resulting from \a u16 with reversed bits.
*/
#define bit_reverse16(u16) ((U16)(bit_reverse32((U16)(u16)) >> 16))
/*! \brief Reverses the bits of \a u32.
*
* \param u32 U32 of which to reverse the bits.
*
* \return Value resulting from \a u32 with reversed bits.
*/
#define bit_reverse32(u32) __RBIT(u32)
/*! \brief Reverses the bits of \a u64.
*
* \param u64 U64 of which to reverse the bits.
*
* \return Value resulting from \a u64 with reversed bits.
*/
#define bit_reverse64(u64) ((U64)(((U64)bit_reverse32((U64)(u64) >> 32)) |\
((U64)bit_reverse32((U64)(u64)) << 32)))
//! @}
/*! \name Alignment
*/
//! @{
/*! \brief Tests alignment of the number \a val with the \a n boundary.
*
* \param val Input value.
* \param n Boundary.
*
* \return \c 1 if the number \a val is aligned with the \a n boundary, else \c 0.
*/
#define Test_align(val, n ) (!Tst_bits( val, (n) - 1 ) )
/*! \brief Gets alignment of the number \a val with respect to the \a n boundary.
*
* \param val Input value.
* \param n Boundary.
*
* \return Alignment of the number \a val with respect to the \a n boundary.
*/
#define Get_align( val, n ) ( Rd_bits( val, (n) - 1 ) )
/*! \brief Sets alignment of the lvalue number \a lval to \a alg with respect to the \a n boundary.
*
* \param lval Input/output lvalue.
* \param n Boundary.
* \param alg Alignment.
*
* \return New value of \a lval resulting from its alignment set to \a alg with respect to the \a n boundary.
*/
#define Set_align(lval, n, alg) ( Wr_bits(lval, (n) - 1, alg) )
/*! \brief Aligns the number \a val with the upper \a n boundary.
*
* \param val Input value.
* \param n Boundary.
*
* \return Value resulting from the number \a val aligned with the upper \a n boundary.
*/
#define Align_up( val, n ) (((val) + ((n) - 1)) & ~((n) - 1))
/*! \brief Aligns the number \a val with the lower \a n boundary.
*
* \param val Input value.
* \param n Boundary.
*
* \return Value resulting from the number \a val aligned with the lower \a n boundary.
*/
#define Align_down(val, n ) ( (val) & ~((n) - 1))
//! @}
/*! \brief Calls the routine at address \a addr.
*
* It generates a long call opcode.
*
* For example, `Long_call(0x80000000)' generates a software reset on a UC3 if
* it is invoked from the CPU supervisor mode.
*
* \param addr Address of the routine to call.
*
* \note It may be used as a long jump opcode in some special cases.
*/
#define Long_call(addr) ((*(void (*)(void))(addr))())
/*! \name MCU Endianism Handling
* ARM is MCU little endianism.
*/
//! @{
#define MSB(u16) (((U8 *)&(u16))[1]) //!< Most significant byte of \a u16.
#define LSB(u16) (((U8 *)&(u16))[0]) //!< Least significant byte of \a u16.
#define MSH(u32) (((U16 *)&(u32))[1]) //!< Most significant half-word of \a u32.
#define LSH(u32) (((U16 *)&(u32))[0]) //!< Least significant half-word of \a u32.
#define MSB0W(u32) (((U8 *)&(u32))[3]) //!< Most significant byte of 1st rank of \a u32.
#define MSB1W(u32) (((U8 *)&(u32))[2]) //!< Most significant byte of 2nd rank of \a u32.
#define MSB2W(u32) (((U8 *)&(u32))[1]) //!< Most significant byte of 3rd rank of \a u32.
#define MSB3W(u32) (((U8 *)&(u32))[0]) //!< Most significant byte of 4th rank of \a u32.
#define LSB3W(u32) MSB0W(u32) //!< Least significant byte of 4th rank of \a u32.
#define LSB2W(u32) MSB1W(u32) //!< Least significant byte of 3rd rank of \a u32.
#define LSB1W(u32) MSB2W(u32) //!< Least significant byte of 2nd rank of \a u32.
#define LSB0W(u32) MSB3W(u32) //!< Least significant byte of 1st rank of \a u32.
#define MSW(u64) (((U32 *)&(u64))[1]) //!< Most significant word of \a u64.
#define LSW(u64) (((U32 *)&(u64))[0]) //!< Least significant word of \a u64.
#define MSH0(u64) (((U16 *)&(u64))[3]) //!< Most significant half-word of 1st rank of \a u64.
#define MSH1(u64) (((U16 *)&(u64))[2]) //!< Most significant half-word of 2nd rank of \a u64.
#define MSH2(u64) (((U16 *)&(u64))[1]) //!< Most significant half-word of 3rd rank of \a u64.
#define MSH3(u64) (((U16 *)&(u64))[0]) //!< Most significant half-word of 4th rank of \a u64.
#define LSH3(u64) MSH0(u64) //!< Least significant half-word of 4th rank of \a u64.
#define LSH2(u64) MSH1(u64) //!< Least significant half-word of 3rd rank of \a u64.
#define LSH1(u64) MSH2(u64) //!< Least significant half-word of 2nd rank of \a u64.
#define LSH0(u64) MSH3(u64) //!< Least significant half-word of 1st rank of \a u64.
#define MSB0D(u64) (((U8 *)&(u64))[7]) //!< Most significant byte of 1st rank of \a u64.
#define MSB1D(u64) (((U8 *)&(u64))[6]) //!< Most significant byte of 2nd rank of \a u64.
#define MSB2D(u64) (((U8 *)&(u64))[5]) //!< Most significant byte of 3rd rank of \a u64.
#define MSB3D(u64) (((U8 *)&(u64))[4]) //!< Most significant byte of 4th rank of \a u64.
#define MSB4D(u64) (((U8 *)&(u64))[3]) //!< Most significant byte of 5th rank of \a u64.
#define MSB5D(u64) (((U8 *)&(u64))[2]) //!< Most significant byte of 6th rank of \a u64.
#define MSB6D(u64) (((U8 *)&(u64))[1]) //!< Most significant byte of 7th rank of \a u64.
#define MSB7D(u64) (((U8 *)&(u64))[0]) //!< Most significant byte of 8th rank of \a u64.
#define LSB7D(u64) MSB0D(u64) //!< Least significant byte of 8th rank of \a u64.
#define LSB6D(u64) MSB1D(u64) //!< Least significant byte of 7th rank of \a u64.
#define LSB5D(u64) MSB2D(u64) //!< Least significant byte of 6th rank of \a u64.
#define LSB4D(u64) MSB3D(u64) //!< Least significant byte of 5th rank of \a u64.
#define LSB3D(u64) MSB4D(u64) //!< Least significant byte of 4th rank of \a u64.
#define LSB2D(u64) MSB5D(u64) //!< Least significant byte of 3rd rank of \a u64.
#define LSB1D(u64) MSB6D(u64) //!< Least significant byte of 2nd rank of \a u64.
#define LSB0D(u64) MSB7D(u64) //!< Least significant byte of 1st rank of \a u64.
#define BE16(x) swap16(x)
#define LE16(x) (x)
#define le16_to_cpu(x) (x)
#define cpu_to_le16(x) (x)
#define LE16_TO_CPU(x) (x)
#define CPU_TO_LE16(x) (x)
#define be16_to_cpu(x) swap16(x)
#define cpu_to_be16(x) swap16(x)
#define BE16_TO_CPU(x) swap16(x)
#define CPU_TO_BE16(x) swap16(x)
#define le32_to_cpu(x) (x)
#define cpu_to_le32(x) (x)
#define LE32_TO_CPU(x) (x)
#define CPU_TO_LE32(x) (x)
#define be32_to_cpu(x) swap32(x)
#define cpu_to_be32(x) swap32(x)
#define BE32_TO_CPU(x) swap32(x)
#define CPU_TO_BE32(x) swap32(x)
//! @}
/*! \name Endianism Conversion
*
* The same considerations as for clz and ctz apply here but GCC's
* __builtin_bswap_32 and __builtin_bswap_64 do not behave like macros when
* applied to constant expressions, so two sets of macros are defined here:
* - Swap16, Swap32 and Swap64 to apply to constant expressions (values known
* at compile time);
* - swap16, swap32 and swap64 to apply to non-constant expressions (values
* unknown at compile time).
*/
//! @{
/*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
*
* \param u16 U16 of which to toggle the endianism.
*
* \return Value resulting from \a u16 with toggled endianism.
*
* \note More optimized if only used with values known at compile time.
*/
#define Swap16(u16) ((U16)(((U16)(u16) >> 8) |\
((U16)(u16) << 8)))
/*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
*
* \param u32 U32 of which to toggle the endianism.
*
* \return Value resulting from \a u32 with toggled endianism.
*
* \note More optimized if only used with values known at compile time.
*/
#define Swap32(u32) ((U32)(((U32)Swap16((U32)(u32) >> 16)) |\
((U32)Swap16((U32)(u32)) << 16)))
/*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
*
* \param u64 U64 of which to toggle the endianism.
*
* \return Value resulting from \a u64 with toggled endianism.
*
* \note More optimized if only used with values known at compile time.
*/
#define Swap64(u64) ((U64)(((U64)Swap32((U64)(u64) >> 32)) |\
((U64)Swap32((U64)(u64)) << 32)))
/*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
*
* \param u16 U16 of which to toggle the endianism.
*
* \return Value resulting from \a u16 with toggled endianism.
*
* \note More optimized if only used with values unknown at compile time.
*/
#define swap16(u16) Swap16(u16)
/*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
*
* \param u32 U32 of which to toggle the endianism.
*
* \return Value resulting from \a u32 with toggled endianism.
*
* \note More optimized if only used with values unknown at compile time.
*/
#if (defined __GNUC__)
# define swap32(u32) ((U32)__builtin_bswap32((U32)(u32)))
#else
# define swap32(u32) Swap32(u32)
#endif
/*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
*
* \param u64 U64 of which to toggle the endianism.
*
* \return Value resulting from \a u64 with toggled endianism.
*
* \note More optimized if only used with values unknown at compile time.
*/
#if (defined __GNUC__)
# define swap64(u64) ((U64)__builtin_bswap64((U64)(u64)))
#else
# define swap64(u64) ((U64)(((U64)swap32((U64)(u64) >> 32)) |\
((U64)swap32((U64)(u64)) << 32)))
#endif
//! @}
/*! \name Target Abstraction
*/
//! @{
#define _GLOBEXT_ extern //!< extern storage-class specifier.
#define _CONST_TYPE_ const //!< const type qualifier.
#define _MEM_TYPE_SLOW_ //!< Slow memory type.
#define _MEM_TYPE_MEDFAST_ //!< Fairly fast memory type.
#define _MEM_TYPE_FAST_ //!< Fast memory type.
typedef U8 Byte; //!< 8-bit unsigned integer.
#define memcmp_ram2ram memcmp //!< Target-specific memcmp of RAM to RAM.
#define memcmp_code2ram memcmp //!< Target-specific memcmp of RAM to NVRAM.
#define memcpy_ram2ram memcpy //!< Target-specific memcpy from RAM to RAM.
#define memcpy_code2ram memcpy //!< Target-specific memcpy from NVRAM to RAM.
#define LSB0(u32) LSB0W(u32) //!< Least significant byte of 1st rank of \a u32.
#define LSB1(u32) LSB1W(u32) //!< Least significant byte of 2nd rank of \a u32.
#define LSB2(u32) LSB2W(u32) //!< Least significant byte of 3rd rank of \a u32.
#define LSB3(u32) LSB3W(u32) //!< Least significant byte of 4th rank of \a u32.
#define MSB3(u32) MSB3W(u32) //!< Most significant byte of 4th rank of \a u32.
#define MSB2(u32) MSB2W(u32) //!< Most significant byte of 3rd rank of \a u32.
#define MSB1(u32) MSB1W(u32) //!< Most significant byte of 2nd rank of \a u32.
#define MSB0(u32) MSB0W(u32) //!< Most significant byte of 1st rank of \a u32.
//! @}
/**
* \brief Calculate \f$ \left\lceil \frac{a}{b} \right\rceil \f$ using
* integer arithmetic.
*
* \param a An integer
* \param b Another integer
*
* \return (\a a / \a b) rounded up to the nearest integer.
*/
#define div_ceil(a, b) (((a) + (b) - 1) / (b))
#endif // #ifndef __ASSEMBLY__
#ifdef __ICCARM__
#define SHORTENUM __packed
#elif defined(__GNUC__)
#define SHORTENUM __attribute__((packed))
#endif
/* No operation */
#ifdef __ICCARM__
#define nop() __no_operation()
#elif defined(__GNUC__)
#define nop() (__NOP())
#endif
#define FLASH_DECLARE(x) const x
#define FLASH_EXTERN(x) extern const x
#define PGM_READ_BYTE(x) *(x)
#define PGM_READ_WORD(x) *(x)
#define PGM_READ_DWORD(x) *(x)
#define MEMCPY_ENDIAN memcpy
#define PGM_READ_BLOCK(dst, src, len) memcpy((dst), (src), (len))
/*Defines the Flash Storage for the request and response of MAC*/
#define CMD_ID_OCTET (0)
/* Converting of values from CPU endian to little endian. */
#define CPU_ENDIAN_TO_LE16(x) (x)
#define CPU_ENDIAN_TO_LE32(x) (x)
#define CPU_ENDIAN_TO_LE64(x) (x)
/* Converting of values from little endian to CPU endian. */
#define LE16_TO_CPU_ENDIAN(x) (x)
#define LE32_TO_CPU_ENDIAN(x) (x)
#define LE64_TO_CPU_ENDIAN(x) (x)
/* Converting of constants from little endian to CPU endian. */
#define CLE16_TO_CPU_ENDIAN(x) (x)
#define CLE32_TO_CPU_ENDIAN(x) (x)
#define CLE64_TO_CPU_ENDIAN(x) (x)
/* Converting of constants from CPU endian to little endian. */
#define CCPU_ENDIAN_TO_LE16(x) (x)
#define CCPU_ENDIAN_TO_LE32(x) (x)
#define CCPU_ENDIAN_TO_LE64(x) (x)
#define ADDR_COPY_DST_SRC_16(dst, src) ((dst) = (src))
#define ADDR_COPY_DST_SRC_64(dst, src) ((dst) = (src))
/**
* @brief Converts a 64-Bit value into a 8 Byte array
*
* @param[in] value 64-Bit value
* @param[out] data Pointer to the 8 Byte array to be updated with 64-Bit value
* @ingroup apiPalApi
*/
static inline void convert_64_bit_to_byte_array(uint64_t value, uint8_t *data)
{
uint8_t val_index = 0;
while (val_index < 8)
{
data[val_index++] = value & 0xFF;
value >>= 8;
}
}
/**
* @brief Converts a 16-Bit value into a 2 Byte array
*
* @param[in] value 16-Bit value
* @param[out] data Pointer to the 2 Byte array to be updated with 16-Bit value
* @ingroup apiPalApi
*/
static inline void convert_16_bit_to_byte_array(uint16_t value, uint8_t *data)
{
data[0] = value & 0xFF;
data[1] = (value >> 8) & 0xFF;
}
/* Converts a 16-Bit value into a 2 Byte array */
static inline void convert_spec_16_bit_to_byte_array(uint16_t value, uint8_t *data)
{
data[0] = value & 0xFF;
data[1] = (value >> 8) & 0xFF;
}
/* Converts a 16-Bit value into a 2 Byte array */
static inline void convert_16_bit_to_byte_address(uint16_t value, uint8_t *data)
{
data[0] = value & 0xFF;
data[1] = (value >> 8) & 0xFF;
}
/*
* @brief Converts a 2 Byte array into a 16-Bit value
*
* @param data Specifies the pointer to the 2 Byte array
*
* @return 16-Bit value
* @ingroup apiPalApi
*/
static inline uint16_t convert_byte_array_to_16_bit(uint8_t *data)
{
return (data[0] | ((uint16_t)data[1] << 8));
}
/* Converts a 8 Byte array into a 32-Bit value */
static inline uint32_t convert_byte_array_to_32_bit(uint8_t *data)
{
union
{
uint32_t u32;
uint8_t u8[8];
}long_addr;
uint8_t index;
for (index = 0; index < 4; index++) {
long_addr.u8[index] = *data++;
}
return long_addr.u32;
}
/**
* @brief Converts a 8 Byte array into a 64-Bit value
*
* @param data Specifies the pointer to the 8 Byte array
*
* @return 64-Bit value
* @ingroup apiPalApi
*/
static inline uint64_t convert_byte_array_to_64_bit(uint8_t *data)
{
union
{
uint64_t u64;
uint8_t u8[8];
} long_addr;
uint8_t val_index;
for (val_index = 0; val_index < 8; val_index++)
{
long_addr.u8[val_index] = *data++;
}
return long_addr.u64;
}
/**
* \}
*/
#endif /* UTILS_COMPILER_H */