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/**************************************************************************//**
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* @file core_cmFunc.h
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* @brief CMSIS Cortex-M Core Function Access Header File
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* @version V3.01
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* @date 06. March 2012
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*
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* @note
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* Copyright (C) 2009-2012 ARM Limited. All rights reserved.
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*
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* @par
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* ARM Limited (ARM) is supplying this software for use with Cortex-M
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* processor based microcontrollers. This file can be freely distributed
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* within development tools that are supporting such ARM based processors.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
|
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* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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*
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******************************************************************************/
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#ifndef __CORE_CMFUNC_H
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#define __CORE_CMFUNC_H
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/* ########################### Core Function Access ########################### */
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/** \ingroup CMSIS_Core_FunctionInterface
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\defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
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@{
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*/
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#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
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/* ARM armcc specific functions */
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|
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#if (__ARMCC_VERSION < 400677)
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#error "Please use ARM Compiler Toolchain V4.0.677 or later!"
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#endif
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/* intrinsic void __enable_irq(); */
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/* intrinsic void __disable_irq(); */
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|
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/** \brief Get Control Register
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|
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This function returns the content of the Control Register.
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\return Control Register value
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*/
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__STATIC_INLINE uint32_t __get_CONTROL(void)
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{
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register uint32_t __regControl __ASM("control");
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return(__regControl);
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}
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|
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|
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/** \brief Set Control Register
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This function writes the given value to the Control Register.
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\param [in] control Control Register value to set
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*/
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__STATIC_INLINE void __set_CONTROL(uint32_t control)
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{
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register uint32_t __regControl __ASM("control");
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__regControl = control;
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}
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|
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|
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/** \brief Get IPSR Register
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This function returns the content of the IPSR Register.
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\return IPSR Register value
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*/
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__STATIC_INLINE uint32_t __get_IPSR(void)
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{
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register uint32_t __regIPSR __ASM("ipsr");
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return(__regIPSR);
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}
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|
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|
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/** \brief Get APSR Register
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This function returns the content of the APSR Register.
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|
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\return APSR Register value
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*/
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__STATIC_INLINE uint32_t __get_APSR(void)
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{
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register uint32_t __regAPSR __ASM("apsr");
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return(__regAPSR);
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}
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|
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/** \brief Get xPSR Register
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This function returns the content of the xPSR Register.
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|
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\return xPSR Register value
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*/
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__STATIC_INLINE uint32_t __get_xPSR(void)
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{
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register uint32_t __regXPSR __ASM("xpsr");
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return(__regXPSR);
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}
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|
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|
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/** \brief Get Process Stack Pointer
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|
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This function returns the current value of the Process Stack Pointer (PSP).
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\return PSP Register value
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*/
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__STATIC_INLINE uint32_t __get_PSP(void)
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{
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register uint32_t __regProcessStackPointer __ASM("psp");
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return(__regProcessStackPointer);
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}
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|
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|
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/** \brief Set Process Stack Pointer
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This function assigns the given value to the Process Stack Pointer (PSP).
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\param [in] topOfProcStack Process Stack Pointer value to set
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*/
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__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
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{
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register uint32_t __regProcessStackPointer __ASM("psp");
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__regProcessStackPointer = topOfProcStack;
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}
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|
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/** \brief Get Main Stack Pointer
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This function returns the current value of the Main Stack Pointer (MSP).
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|
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\return MSP Register value
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*/
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__STATIC_INLINE uint32_t __get_MSP(void)
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{
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register uint32_t __regMainStackPointer __ASM("msp");
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return(__regMainStackPointer);
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}
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|
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|
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/** \brief Set Main Stack Pointer
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This function assigns the given value to the Main Stack Pointer (MSP).
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\param [in] topOfMainStack Main Stack Pointer value to set
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*/
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__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
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{
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register uint32_t __regMainStackPointer __ASM("msp");
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__regMainStackPointer = topOfMainStack;
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}
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|
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|
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/** \brief Get Priority Mask
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|
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This function returns the current state of the priority mask bit from the Priority Mask Register.
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|
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\return Priority Mask value
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*/
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__STATIC_INLINE uint32_t __get_PRIMASK(void)
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{
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register uint32_t __regPriMask __ASM("primask");
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return(__regPriMask);
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}
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|
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|
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/** \brief Set Priority Mask
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|
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This function assigns the given value to the Priority Mask Register.
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|
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\param [in] priMask Priority Mask
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*/
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__STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
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{
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register uint32_t __regPriMask __ASM("primask");
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__regPriMask = (priMask);
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}
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|
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|
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#if (__CORTEX_M >= 0x03)
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|
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/** \brief Enable FIQ
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|
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This function enables FIQ interrupts by clearing the F-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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#define __enable_fault_irq __enable_fiq
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|
||||
|
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/** \brief Disable FIQ
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|
||||
This function disables FIQ interrupts by setting the F-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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#define __disable_fault_irq __disable_fiq
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|
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|
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/** \brief Get Base Priority
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|
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This function returns the current value of the Base Priority register.
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|
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\return Base Priority register value
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*/
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__STATIC_INLINE uint32_t __get_BASEPRI(void)
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{
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register uint32_t __regBasePri __ASM("basepri");
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return(__regBasePri);
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}
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|
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|
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/** \brief Set Base Priority
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This function assigns the given value to the Base Priority register.
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\param [in] basePri Base Priority value to set
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*/
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__STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
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{
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register uint32_t __regBasePri __ASM("basepri");
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__regBasePri = (basePri & 0xff);
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}
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/** \brief Get Fault Mask
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This function returns the current value of the Fault Mask register.
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|
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\return Fault Mask register value
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*/
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__STATIC_INLINE uint32_t __get_FAULTMASK(void)
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{
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register uint32_t __regFaultMask __ASM("faultmask");
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return(__regFaultMask);
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}
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|
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/** \brief Set Fault Mask
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This function assigns the given value to the Fault Mask register.
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\param [in] faultMask Fault Mask value to set
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*/
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__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
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{
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register uint32_t __regFaultMask __ASM("faultmask");
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__regFaultMask = (faultMask & (uint32_t)1);
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}
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#endif /* (__CORTEX_M >= 0x03) */
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#if (__CORTEX_M == 0x04)
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/** \brief Get FPSCR
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This function returns the current value of the Floating Point Status/Control register.
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\return Floating Point Status/Control register value
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*/
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__STATIC_INLINE uint32_t __get_FPSCR(void)
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{
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#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
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register uint32_t __regfpscr __ASM("fpscr");
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return(__regfpscr);
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#else
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return(0);
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#endif
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}
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/** \brief Set FPSCR
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This function assigns the given value to the Floating Point Status/Control register.
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\param [in] fpscr Floating Point Status/Control value to set
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*/
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__STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
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{
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#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
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register uint32_t __regfpscr __ASM("fpscr");
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__regfpscr = (fpscr);
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#endif
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}
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|
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#endif /* (__CORTEX_M == 0x04) */
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#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
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/* IAR iccarm specific functions */
|
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#include <cmsis_iar.h>
|
||||
|
||||
|
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#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
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/* TI CCS specific functions */
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||||
|
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#include <cmsis_ccs.h>
|
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|
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|
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#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
|
||||
/* GNU gcc specific functions */
|
||||
|
||||
/** \brief Enable IRQ Interrupts
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||||
|
||||
This function enables IRQ interrupts by clearing the I-bit in the CPSR.
|
||||
Can only be executed in Privileged modes.
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||||
*/
|
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__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
|
||||
{
|
||||
__ASM volatile ("cpsie i");
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}
|
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|
||||
|
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/** \brief Disable IRQ Interrupts
|
||||
|
||||
This function disables IRQ interrupts by setting the I-bit in the CPSR.
|
||||
Can only be executed in Privileged modes.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
|
||||
{
|
||||
__ASM volatile ("cpsid i");
|
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}
|
||||
|
||||
|
||||
/** \brief Get Control Register
|
||||
|
||||
This function returns the content of the Control Register.
|
||||
|
||||
\return Control Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, control" : "=r" (result) );
|
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return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Control Register
|
||||
|
||||
This function writes the given value to the Control Register.
|
||||
|
||||
\param [in] control Control Register value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
|
||||
{
|
||||
__ASM volatile ("MSR control, %0" : : "r" (control) );
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get IPSR Register
|
||||
|
||||
This function returns the content of the IPSR Register.
|
||||
|
||||
\return IPSR Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, ipsr" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get APSR Register
|
||||
|
||||
This function returns the content of the APSR Register.
|
||||
|
||||
\return APSR Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, apsr" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get xPSR Register
|
||||
|
||||
This function returns the content of the xPSR Register.
|
||||
|
||||
\return xPSR Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, xpsr" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get Process Stack Pointer
|
||||
|
||||
This function returns the current value of the Process Stack Pointer (PSP).
|
||||
|
||||
\return PSP Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
|
||||
{
|
||||
register uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, psp\n" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Process Stack Pointer
|
||||
|
||||
This function assigns the given value to the Process Stack Pointer (PSP).
|
||||
|
||||
\param [in] topOfProcStack Process Stack Pointer value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
|
||||
{
|
||||
__ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get Main Stack Pointer
|
||||
|
||||
This function returns the current value of the Main Stack Pointer (MSP).
|
||||
|
||||
\return MSP Register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
|
||||
{
|
||||
register uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, msp\n" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Main Stack Pointer
|
||||
|
||||
This function assigns the given value to the Main Stack Pointer (MSP).
|
||||
|
||||
\param [in] topOfMainStack Main Stack Pointer value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
|
||||
{
|
||||
__ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get Priority Mask
|
||||
|
||||
This function returns the current state of the priority mask bit from the Priority Mask Register.
|
||||
|
||||
\return Priority Mask value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, primask" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Priority Mask
|
||||
|
||||
This function assigns the given value to the Priority Mask Register.
|
||||
|
||||
\param [in] priMask Priority Mask
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
|
||||
{
|
||||
__ASM volatile ("MSR primask, %0" : : "r" (priMask) );
|
||||
}
|
||||
|
||||
|
||||
#if (__CORTEX_M >= 0x03)
|
||||
|
||||
/** \brief Enable FIQ
|
||||
|
||||
This function enables FIQ interrupts by clearing the F-bit in the CPSR.
|
||||
Can only be executed in Privileged modes.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
|
||||
{
|
||||
__ASM volatile ("cpsie f");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Disable FIQ
|
||||
|
||||
This function disables FIQ interrupts by setting the F-bit in the CPSR.
|
||||
Can only be executed in Privileged modes.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
|
||||
{
|
||||
__ASM volatile ("cpsid f");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get Base Priority
|
||||
|
||||
This function returns the current value of the Base Priority register.
|
||||
|
||||
\return Base Priority register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Base Priority
|
||||
|
||||
This function assigns the given value to the Base Priority register.
|
||||
|
||||
\param [in] basePri Base Priority value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
|
||||
{
|
||||
__ASM volatile ("MSR basepri, %0" : : "r" (value) );
|
||||
}
|
||||
|
||||
|
||||
/** \brief Get Fault Mask
|
||||
|
||||
This function returns the current value of the Fault Mask register.
|
||||
|
||||
\return Fault Mask register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set Fault Mask
|
||||
|
||||
This function assigns the given value to the Fault Mask register.
|
||||
|
||||
\param [in] faultMask Fault Mask value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
|
||||
{
|
||||
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
|
||||
}
|
||||
|
||||
#endif /* (__CORTEX_M >= 0x03) */
|
||||
|
||||
|
||||
#if (__CORTEX_M == 0x04)
|
||||
|
||||
/** \brief Get FPSCR
|
||||
|
||||
This function returns the current value of the Floating Point Status/Control register.
|
||||
|
||||
\return Floating Point Status/Control register value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
|
||||
{
|
||||
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
|
||||
return(result);
|
||||
#else
|
||||
return(0);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
/** \brief Set FPSCR
|
||||
|
||||
This function assigns the given value to the Floating Point Status/Control register.
|
||||
|
||||
\param [in] fpscr Floating Point Status/Control value to set
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
|
||||
{
|
||||
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
|
||||
__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif /* (__CORTEX_M == 0x04) */
|
||||
|
||||
|
||||
#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
|
||||
/* TASKING carm specific functions */
|
||||
|
||||
/*
|
||||
* The CMSIS functions have been implemented as intrinsics in the compiler.
|
||||
* Please use "carm -?i" to get an up to date list of all instrinsics,
|
||||
* Including the CMSIS ones.
|
||||
*/
|
||||
|
||||
#endif
|
||||
|
||||
/*@} end of CMSIS_Core_RegAccFunctions */
|
||||
|
||||
|
||||
#endif /* __CORE_CMFUNC_H */
|
||||
|
|
@ -0,0 +1,618 @@
|
|||
/**************************************************************************//**
|
||||
* @file core_cmInstr.h
|
||||
* @brief CMSIS Cortex-M Core Instruction Access Header File
|
||||
* @version V3.01
|
||||
* @date 06. March 2012
|
||||
*
|
||||
* @note
|
||||
* Copyright (C) 2009-2012 ARM Limited. All rights reserved.
|
||||
*
|
||||
* @par
|
||||
* ARM Limited (ARM) is supplying this software for use with Cortex-M
|
||||
* processor based microcontrollers. This file can be freely distributed
|
||||
* within development tools that are supporting such ARM based processors.
|
||||
*
|
||||
* @par
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
|
||||
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
|
||||
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
|
||||
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
#ifndef __CORE_CMINSTR_H
|
||||
#define __CORE_CMINSTR_H
|
||||
|
||||
|
||||
/* ########################## Core Instruction Access ######################### */
|
||||
/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
|
||||
Access to dedicated instructions
|
||||
@{
|
||||
*/
|
||||
|
||||
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
|
||||
/* ARM armcc specific functions */
|
||||
|
||||
#if (__ARMCC_VERSION < 400677)
|
||||
#error "Please use ARM Compiler Toolchain V4.0.677 or later!"
|
||||
#endif
|
||||
|
||||
|
||||
/** \brief No Operation
|
||||
|
||||
No Operation does nothing. This instruction can be used for code alignment purposes.
|
||||
*/
|
||||
#define __NOP __nop
|
||||
|
||||
|
||||
/** \brief Wait For Interrupt
|
||||
|
||||
Wait For Interrupt is a hint instruction that suspends execution
|
||||
until one of a number of events occurs.
|
||||
*/
|
||||
#define __WFI __wfi
|
||||
|
||||
|
||||
/** \brief Wait For Event
|
||||
|
||||
Wait For Event is a hint instruction that permits the processor to enter
|
||||
a low-power state until one of a number of events occurs.
|
||||
*/
|
||||
#define __WFE __wfe
|
||||
|
||||
|
||||
/** \brief Send Event
|
||||
|
||||
Send Event is a hint instruction. It causes an event to be signaled to the CPU.
|
||||
*/
|
||||
#define __SEV __sev
|
||||
|
||||
|
||||
/** \brief Instruction Synchronization Barrier
|
||||
|
||||
Instruction Synchronization Barrier flushes the pipeline in the processor,
|
||||
so that all instructions following the ISB are fetched from cache or
|
||||
memory, after the instruction has been completed.
|
||||
*/
|
||||
#define __ISB() __isb(0xF)
|
||||
|
||||
|
||||
/** \brief Data Synchronization Barrier
|
||||
|
||||
This function acts as a special kind of Data Memory Barrier.
|
||||
It completes when all explicit memory accesses before this instruction complete.
|
||||
*/
|
||||
#define __DSB() __dsb(0xF)
|
||||
|
||||
|
||||
/** \brief Data Memory Barrier
|
||||
|
||||
This function ensures the apparent order of the explicit memory operations before
|
||||
and after the instruction, without ensuring their completion.
|
||||
*/
|
||||
#define __DMB() __dmb(0xF)
|
||||
|
||||
|
||||
/** \brief Reverse byte order (32 bit)
|
||||
|
||||
This function reverses the byte order in integer value.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
#define __REV __rev
|
||||
|
||||
|
||||
/** \brief Reverse byte order (16 bit)
|
||||
|
||||
This function reverses the byte order in two unsigned short values.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
|
||||
{
|
||||
rev16 r0, r0
|
||||
bx lr
|
||||
}
|
||||
|
||||
|
||||
/** \brief Reverse byte order in signed short value
|
||||
|
||||
This function reverses the byte order in a signed short value with sign extension to integer.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value)
|
||||
{
|
||||
revsh r0, r0
|
||||
bx lr
|
||||
}
|
||||
|
||||
|
||||
/** \brief Rotate Right in unsigned value (32 bit)
|
||||
|
||||
This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
|
||||
|
||||
\param [in] value Value to rotate
|
||||
\param [in] value Number of Bits to rotate
|
||||
\return Rotated value
|
||||
*/
|
||||
#define __ROR __ror
|
||||
|
||||
|
||||
#if (__CORTEX_M >= 0x03)
|
||||
|
||||
/** \brief Reverse bit order of value
|
||||
|
||||
This function reverses the bit order of the given value.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
#define __RBIT __rbit
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (8 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 8 bit value.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint8_t at (*ptr)
|
||||
*/
|
||||
#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr))
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (16 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 16 bit values.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint16_t at (*ptr)
|
||||
*/
|
||||
#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr))
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (32 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 32 bit values.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint32_t at (*ptr)
|
||||
*/
|
||||
#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr))
|
||||
|
||||
|
||||
/** \brief STR Exclusive (8 bit)
|
||||
|
||||
This function performs a exclusive STR command for 8 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
#define __STREXB(value, ptr) __strex(value, ptr)
|
||||
|
||||
|
||||
/** \brief STR Exclusive (16 bit)
|
||||
|
||||
This function performs a exclusive STR command for 16 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
#define __STREXH(value, ptr) __strex(value, ptr)
|
||||
|
||||
|
||||
/** \brief STR Exclusive (32 bit)
|
||||
|
||||
This function performs a exclusive STR command for 32 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
#define __STREXW(value, ptr) __strex(value, ptr)
|
||||
|
||||
|
||||
/** \brief Remove the exclusive lock
|
||||
|
||||
This function removes the exclusive lock which is created by LDREX.
|
||||
|
||||
*/
|
||||
#define __CLREX __clrex
|
||||
|
||||
|
||||
/** \brief Signed Saturate
|
||||
|
||||
This function saturates a signed value.
|
||||
|
||||
\param [in] value Value to be saturated
|
||||
\param [in] sat Bit position to saturate to (1..32)
|
||||
\return Saturated value
|
||||
*/
|
||||
#define __SSAT __ssat
|
||||
|
||||
|
||||
/** \brief Unsigned Saturate
|
||||
|
||||
This function saturates an unsigned value.
|
||||
|
||||
\param [in] value Value to be saturated
|
||||
\param [in] sat Bit position to saturate to (0..31)
|
||||
\return Saturated value
|
||||
*/
|
||||
#define __USAT __usat
|
||||
|
||||
|
||||
/** \brief Count leading zeros
|
||||
|
||||
This function counts the number of leading zeros of a data value.
|
||||
|
||||
\param [in] value Value to count the leading zeros
|
||||
\return number of leading zeros in value
|
||||
*/
|
||||
#define __CLZ __clz
|
||||
|
||||
#endif /* (__CORTEX_M >= 0x03) */
|
||||
|
||||
|
||||
|
||||
#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
|
||||
/* IAR iccarm specific functions */
|
||||
|
||||
#include <cmsis_iar.h>
|
||||
|
||||
|
||||
#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
|
||||
/* TI CCS specific functions */
|
||||
|
||||
#include <cmsis_ccs.h>
|
||||
|
||||
|
||||
#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
|
||||
/* GNU gcc specific functions */
|
||||
|
||||
/** \brief No Operation
|
||||
|
||||
No Operation does nothing. This instruction can be used for code alignment purposes.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __NOP(void)
|
||||
{
|
||||
__ASM volatile ("nop");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Wait For Interrupt
|
||||
|
||||
Wait For Interrupt is a hint instruction that suspends execution
|
||||
until one of a number of events occurs.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFI(void)
|
||||
{
|
||||
__ASM volatile ("wfi");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Wait For Event
|
||||
|
||||
Wait For Event is a hint instruction that permits the processor to enter
|
||||
a low-power state until one of a number of events occurs.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFE(void)
|
||||
{
|
||||
__ASM volatile ("wfe");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Send Event
|
||||
|
||||
Send Event is a hint instruction. It causes an event to be signaled to the CPU.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __SEV(void)
|
||||
{
|
||||
__ASM volatile ("sev");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Instruction Synchronization Barrier
|
||||
|
||||
Instruction Synchronization Barrier flushes the pipeline in the processor,
|
||||
so that all instructions following the ISB are fetched from cache or
|
||||
memory, after the instruction has been completed.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __ISB(void)
|
||||
{
|
||||
__ASM volatile ("isb");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Data Synchronization Barrier
|
||||
|
||||
This function acts as a special kind of Data Memory Barrier.
|
||||
It completes when all explicit memory accesses before this instruction complete.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __DSB(void)
|
||||
{
|
||||
__ASM volatile ("dsb");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Data Memory Barrier
|
||||
|
||||
This function ensures the apparent order of the explicit memory operations before
|
||||
and after the instruction, without ensuring their completion.
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __DMB(void)
|
||||
{
|
||||
__ASM volatile ("dmb");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Reverse byte order (32 bit)
|
||||
|
||||
This function reverses the byte order in integer value.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV(uint32_t value)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Reverse byte order (16 bit)
|
||||
|
||||
This function reverses the byte order in two unsigned short values.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV16(uint32_t value)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Reverse byte order in signed short value
|
||||
|
||||
This function reverses the byte order in a signed short value with sign extension to integer.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __REVSH(int32_t value)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Rotate Right in unsigned value (32 bit)
|
||||
|
||||
This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
|
||||
|
||||
\param [in] value Value to rotate
|
||||
\param [in] value Number of Bits to rotate
|
||||
\return Rotated value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
|
||||
{
|
||||
|
||||
__ASM volatile ("ror %0, %0, %1" : "+r" (op1) : "r" (op2) );
|
||||
return(op1);
|
||||
}
|
||||
|
||||
|
||||
#if (__CORTEX_M >= 0x03)
|
||||
|
||||
/** \brief Reverse bit order of value
|
||||
|
||||
This function reverses the bit order of the given value.
|
||||
|
||||
\param [in] value Value to reverse
|
||||
\return Reversed value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (8 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 8 bit value.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint8_t at (*ptr)
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
|
||||
{
|
||||
uint8_t result;
|
||||
|
||||
__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (16 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 16 bit values.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint16_t at (*ptr)
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
|
||||
{
|
||||
uint16_t result;
|
||||
|
||||
__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief LDR Exclusive (32 bit)
|
||||
|
||||
This function performs a exclusive LDR command for 32 bit values.
|
||||
|
||||
\param [in] ptr Pointer to data
|
||||
\return value of type uint32_t at (*ptr)
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief STR Exclusive (8 bit)
|
||||
|
||||
This function performs a exclusive STR command for 8 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief STR Exclusive (16 bit)
|
||||
|
||||
This function performs a exclusive STR command for 16 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief STR Exclusive (32 bit)
|
||||
|
||||
This function performs a exclusive STR command for 32 bit values.
|
||||
|
||||
\param [in] value Value to store
|
||||
\param [in] ptr Pointer to location
|
||||
\return 0 Function succeeded
|
||||
\return 1 Function failed
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
|
||||
{
|
||||
uint32_t result;
|
||||
|
||||
__ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Remove the exclusive lock
|
||||
|
||||
This function removes the exclusive lock which is created by LDREX.
|
||||
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE void __CLREX(void)
|
||||
{
|
||||
__ASM volatile ("clrex");
|
||||
}
|
||||
|
||||
|
||||
/** \brief Signed Saturate
|
||||
|
||||
This function saturates a signed value.
|
||||
|
||||
\param [in] value Value to be saturated
|
||||
\param [in] sat Bit position to saturate to (1..32)
|
||||
\return Saturated value
|
||||
*/
|
||||
#define __SSAT(ARG1,ARG2) \
|
||||
({ \
|
||||
uint32_t __RES, __ARG1 = (ARG1); \
|
||||
__ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
||||
__RES; \
|
||||
})
|
||||
|
||||
|
||||
/** \brief Unsigned Saturate
|
||||
|
||||
This function saturates an unsigned value.
|
||||
|
||||
\param [in] value Value to be saturated
|
||||
\param [in] sat Bit position to saturate to (0..31)
|
||||
\return Saturated value
|
||||
*/
|
||||
#define __USAT(ARG1,ARG2) \
|
||||
({ \
|
||||
uint32_t __RES, __ARG1 = (ARG1); \
|
||||
__ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
|
||||
__RES; \
|
||||
})
|
||||
|
||||
|
||||
/** \brief Count leading zeros
|
||||
|
||||
This function counts the number of leading zeros of a data value.
|
||||
|
||||
\param [in] value Value to count the leading zeros
|
||||
\return number of leading zeros in value
|
||||
*/
|
||||
__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value)
|
||||
{
|
||||
uint8_t result;
|
||||
|
||||
__ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) );
|
||||
return(result);
|
||||
}
|
||||
|
||||
#endif /* (__CORTEX_M >= 0x03) */
|
||||
|
||||
|
||||
|
||||
|
||||
#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
|
||||
/* TASKING carm specific functions */
|
||||
|
||||
/*
|
||||
* The CMSIS functions have been implemented as intrinsics in the compiler.
|
||||
* Please use "carm -?i" to get an up to date list of all intrinsics,
|
||||
* Including the CMSIS ones.
|
||||
*/
|
||||
|
||||
#endif
|
||||
|
||||
/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
|
||||
|
||||
#endif /* __CORE_CMINSTR_H */
|
||||
Ładowanie…
Reference in New Issue