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| Kovalev_D |
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/**************************************************************************//**
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* @file core_cm3.c
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* @brief CMSIS Cortex-M3 Core Peripheral Access Layer Source File
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* @version V1.30
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* @date 30. October 2009
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*
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* @note
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* Copyright (C) 2009 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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#include <stdint.h>
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/* define compiler specific symbols */
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#if defined ( __CC_ARM )
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#define __ASM __asm /*!< asm keyword for ARM Compiler */
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#define __INLINE __inline /*!< inline keyword for ARM Compiler */
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#elif defined ( __ICCARM__ )
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#define __ASM __asm /*!< asm keyword for IAR Compiler */
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#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
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#elif defined ( __GNUC__ )
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#define __ASM __asm /*!< asm keyword for GNU Compiler */
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#define __INLINE inline /*!< inline keyword for GNU Compiler */
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#elif defined ( __TASKING__ )
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#define __ASM __asm /*!< asm keyword for TASKING Compiler */
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#define __INLINE inline /*!< inline keyword for TASKING Compiler */
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#endif
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/* ################### Compiler specific Intrinsics ########################### */
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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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* @brief Return the Process Stack Pointer
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*
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* @return ProcessStackPointer
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*
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* Return the actual process stack pointer
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*/
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__ASM uint32_t __get_PSP(void)
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{
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mrs r0, psp
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bx lr
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}
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/**
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* @brief Set the Process Stack Pointer
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*
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* @param topOfProcStack Process Stack Pointer
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*
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* Assign the value ProcessStackPointer to the MSP
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* (process stack pointer) Cortex processor register
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*/
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__ASM void __set_PSP(uint32_t topOfProcStack)
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{
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msr psp, r0
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bx lr
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}
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/**
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* @brief Return the Main Stack Pointer
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*
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* @return Main Stack Pointer
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*
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* Return the current value of the MSP (main stack pointer)
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* Cortex processor register
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*/
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__ASM uint32_t __get_MSP(void)
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{
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mrs r0, msp
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bx lr
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}
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/**
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* @brief Set the Main Stack Pointer
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*
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* @param topOfMainStack Main Stack Pointer
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*
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* Assign the value mainStackPointer to the MSP
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* (main stack pointer) Cortex processor register
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*/
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__ASM void __set_MSP(uint32_t mainStackPointer)
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{
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msr msp, r0
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bx lr
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}
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/**
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* @brief Reverse byte order in unsigned short value
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse byte order in unsigned short value
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*/
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__ASM uint32_t __REV16(uint16_t value)
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{
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rev16 r0, r0
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bx lr
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}
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/**
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* @brief Reverse byte order in signed short value with sign extension to integer
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse byte order in signed short value with sign extension to integer
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*/
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__ASM int32_t __REVSH(int16_t value)
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{
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| Kovalev_D |
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revsh r0, r0
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| Kovalev_D |
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131
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bx lr
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}
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#if (__ARMCC_VERSION < 400000)
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| Kovalev_D |
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136
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/**
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138
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* @brief Remove the exclusive lock created by ldrex
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*
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| Kovalev_D |
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* Removes the exclusive lock which is created by ldrex.
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| Kovalev_D |
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*/
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__ASM void __CLREX(void)
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| Kovalev_D |
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{
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| Kovalev_D |
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clrex
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| Kovalev_D |
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145
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}
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| Kovalev_D |
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146
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| Kovalev_D |
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147
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/**
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| Kovalev_D |
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148
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* @brief Return the Base Priority value
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| Kovalev_D |
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149
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*
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| Kovalev_D |
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150
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* @return BasePriority
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| Kovalev_D |
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151
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*
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| Kovalev_D |
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152
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* Return the content of the base priority register
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| Kovalev_D |
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153
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*/
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| Kovalev_D |
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154
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__ASM uint32_t __get_BASEPRI(void)
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| Kovalev_D |
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{
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| Kovalev_D |
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156
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mrs r0, basepri
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| Kovalev_D |
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|
157
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bx lr
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| Kovalev_D |
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|
158
|
}
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| Kovalev_D |
22:12e6183f04d4
|
159
|
|
| Kovalev_D |
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|
160
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/**
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| Kovalev_D |
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|
161
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* @brief Set the Base Priority value
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| Kovalev_D |
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|
162
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*
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| Kovalev_D |
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|
163
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* @param basePri BasePriority
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| Kovalev_D |
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|
164
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*
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| Kovalev_D |
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|
165
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* Set the base priority register
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| Kovalev_D |
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|
166
|
*/
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| Kovalev_D |
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|
167
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__ASM void __set_BASEPRI(uint32_t basePri)
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| Kovalev_D |
22:12e6183f04d4
|
168
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{
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| Kovalev_D |
22:12e6183f04d4
|
169
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msr basepri, r0
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| Kovalev_D |
22:12e6183f04d4
|
170
|
bx lr
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| Kovalev_D |
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|
171
|
}
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| Kovalev_D |
22:12e6183f04d4
|
172
|
|
| Kovalev_D |
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|
173
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/**
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| Kovalev_D |
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|
174
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* @brief Return the Priority Mask value
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| Kovalev_D |
22:12e6183f04d4
|
175
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*
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| Kovalev_D |
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|
176
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* @return PriMask
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| Kovalev_D |
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|
177
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*
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| Kovalev_D |
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178
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* Return state of the priority mask bit from the priority mask register
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| Kovalev_D |
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|
179
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*/
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| Kovalev_D |
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180
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__ASM uint32_t __get_PRIMASK(void)
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| Kovalev_D |
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181
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{
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| Kovalev_D |
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182
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mrs r0, primask
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| Kovalev_D |
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|
183
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bx lr
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| Kovalev_D |
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|
184
|
}
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| Kovalev_D |
22:12e6183f04d4
|
185
|
|
| Kovalev_D |
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|
186
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/**
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| Kovalev_D |
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|
187
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* @brief Set the Priority Mask value
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| Kovalev_D |
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|
188
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*
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| Kovalev_D |
22:12e6183f04d4
|
189
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* @param priMask PriMask
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| Kovalev_D |
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|
190
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*
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| Kovalev_D |
22:12e6183f04d4
|
191
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* Set the priority mask bit in the priority mask register
|
| Kovalev_D |
22:12e6183f04d4
|
192
|
*/
|
| Kovalev_D |
22:12e6183f04d4
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193
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__ASM void __set_PRIMASK(uint32_t priMask)
|
| Kovalev_D |
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|
194
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{
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| Kovalev_D |
22:12e6183f04d4
|
195
|
msr primask, r0
|
| Kovalev_D |
22:12e6183f04d4
|
196
|
bx lr
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| Kovalev_D |
22:12e6183f04d4
|
197
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
198
|
|
| Kovalev_D |
22:12e6183f04d4
|
199
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
200
|
* @brief Return the Fault Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
201
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
202
|
* @return FaultMask
|
| Kovalev_D |
22:12e6183f04d4
|
203
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
204
|
* Return the content of the fault mask register
|
| Kovalev_D |
22:12e6183f04d4
|
205
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
206
|
__ASM uint32_t __get_FAULTMASK(void)
|
| Kovalev_D |
22:12e6183f04d4
|
207
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
208
|
mrs r0, faultmask
|
| Kovalev_D |
22:12e6183f04d4
|
209
|
bx lr
|
| Kovalev_D |
22:12e6183f04d4
|
210
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
211
|
|
| Kovalev_D |
22:12e6183f04d4
|
212
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
213
|
* @brief Set the Fault Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
214
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
215
|
* @param faultMask faultMask value
|
| Kovalev_D |
22:12e6183f04d4
|
216
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
217
|
* Set the fault mask register
|
| Kovalev_D |
22:12e6183f04d4
|
218
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
219
|
__ASM void __set_FAULTMASK(uint32_t faultMask)
|
| Kovalev_D |
22:12e6183f04d4
|
220
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
221
|
msr faultmask, r0
|
| Kovalev_D |
22:12e6183f04d4
|
222
|
bx lr
|
| Kovalev_D |
22:12e6183f04d4
|
223
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
224
|
|
| Kovalev_D |
22:12e6183f04d4
|
225
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
226
|
* @brief Return the Control Register value
|
| Kovalev_D |
22:12e6183f04d4
|
227
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
228
|
* @return Control value
|
| Kovalev_D |
22:12e6183f04d4
|
229
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
230
|
* Return the content of the control register
|
| Kovalev_D |
22:12e6183f04d4
|
231
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
232
|
__ASM uint32_t __get_CONTROL(void)
|
| Kovalev_D |
22:12e6183f04d4
|
233
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
234
|
mrs r0, control
|
| Kovalev_D |
22:12e6183f04d4
|
235
|
bx lr
|
| Kovalev_D |
22:12e6183f04d4
|
236
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
237
|
|
| Kovalev_D |
22:12e6183f04d4
|
238
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
239
|
* @brief Set the Control Register value
|
| Kovalev_D |
22:12e6183f04d4
|
240
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
241
|
* @param control Control value
|
| Kovalev_D |
22:12e6183f04d4
|
242
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
243
|
* Set the control register
|
| Kovalev_D |
22:12e6183f04d4
|
244
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
245
|
__ASM void __set_CONTROL(uint32_t control)
|
| Kovalev_D |
22:12e6183f04d4
|
246
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
247
|
msr control, r0
|
| Kovalev_D |
22:12e6183f04d4
|
248
|
bx lr
|
| Kovalev_D |
22:12e6183f04d4
|
249
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
250
|
|
| Kovalev_D |
22:12e6183f04d4
|
251
|
#endif /* __ARMCC_VERSION */
|
| Kovalev_D |
22:12e6183f04d4
|
252
|
|
| Kovalev_D |
22:12e6183f04d4
|
253
|
|
| Kovalev_D |
22:12e6183f04d4
|
254
|
|
| Kovalev_D |
22:12e6183f04d4
|
255
|
#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
|
| Kovalev_D |
22:12e6183f04d4
|
256
|
/* IAR iccarm specific functions */
|
| Kovalev_D |
22:12e6183f04d4
|
257
|
#pragma diag_suppress=Pe940
|
| Kovalev_D |
22:12e6183f04d4
|
258
|
|
| Kovalev_D |
22:12e6183f04d4
|
259
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
260
|
* @brief Return the Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
261
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
262
|
* @return ProcessStackPointer
|
| Kovalev_D |
22:12e6183f04d4
|
263
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
264
|
* Return the actual process stack pointer
|
| Kovalev_D |
22:12e6183f04d4
|
265
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
266
|
uint32_t __get_PSP(void)
|
| Kovalev_D |
22:12e6183f04d4
|
267
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
268
|
__ASM("mrs r0, psp");
|
| Kovalev_D |
22:12e6183f04d4
|
269
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
270
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
271
|
|
| Kovalev_D |
22:12e6183f04d4
|
272
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
273
|
* @brief Set the Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
274
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
275
|
* @param topOfProcStack Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
276
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
277
|
* Assign the value ProcessStackPointer to the MSP
|
| Kovalev_D |
22:12e6183f04d4
|
278
|
* (process stack pointer) Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
279
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
280
|
void __set_PSP(uint32_t topOfProcStack)
|
| Kovalev_D |
22:12e6183f04d4
|
281
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
282
|
__ASM("msr psp, r0");
|
| Kovalev_D |
22:12e6183f04d4
|
283
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
284
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
285
|
|
| Kovalev_D |
22:12e6183f04d4
|
286
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
287
|
* @brief Return the Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
288
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
289
|
* @return Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
290
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
291
|
* Return the current value of the MSP (main stack pointer)
|
| Kovalev_D |
22:12e6183f04d4
|
292
|
* Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
293
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
294
|
uint32_t __get_MSP(void)
|
| Kovalev_D |
22:12e6183f04d4
|
295
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
296
|
__ASM("mrs r0, msp");
|
| Kovalev_D |
22:12e6183f04d4
|
297
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
298
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
299
|
|
| Kovalev_D |
22:12e6183f04d4
|
300
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
301
|
* @brief Set the Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
302
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
303
|
* @param topOfMainStack Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
304
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
305
|
* Assign the value mainStackPointer to the MSP
|
| Kovalev_D |
22:12e6183f04d4
|
306
|
* (main stack pointer) Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
307
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
308
|
void __set_MSP(uint32_t topOfMainStack)
|
| Kovalev_D |
22:12e6183f04d4
|
309
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
310
|
__ASM("msr msp, r0");
|
| Kovalev_D |
22:12e6183f04d4
|
311
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
312
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
313
|
|
| Kovalev_D |
22:12e6183f04d4
|
314
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
315
|
* @brief Reverse byte order in unsigned short value
|
| Kovalev_D |
22:12e6183f04d4
|
316
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
317
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
318
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
319
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
320
|
* Reverse byte order in unsigned short value
|
| Kovalev_D |
22:12e6183f04d4
|
321
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
322
|
uint32_t __REV16(uint16_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
323
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
324
|
__ASM("rev16 r0, r0");
|
| Kovalev_D |
22:12e6183f04d4
|
325
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
326
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
327
|
|
| Kovalev_D |
22:12e6183f04d4
|
328
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
329
|
* @brief Reverse bit order of value
|
| Kovalev_D |
22:12e6183f04d4
|
330
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
331
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
332
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
333
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
334
|
* Reverse bit order of value
|
| Kovalev_D |
22:12e6183f04d4
|
335
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
336
|
uint32_t __RBIT(uint32_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
337
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
338
|
__ASM("rbit r0, r0");
|
| Kovalev_D |
22:12e6183f04d4
|
339
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
340
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
341
|
|
| Kovalev_D |
22:12e6183f04d4
|
342
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
343
|
* @brief LDR Exclusive (8 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
344
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
345
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
346
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
347
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
348
|
* Exclusive LDR command for 8 bit values)
|
| Kovalev_D |
22:12e6183f04d4
|
349
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
350
|
uint8_t __LDREXB(uint8_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
351
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
352
|
__ASM("ldrexb r0, [r0]");
|
| Kovalev_D |
22:12e6183f04d4
|
353
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
354
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
355
|
|
| Kovalev_D |
22:12e6183f04d4
|
356
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
357
|
* @brief LDR Exclusive (16 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
358
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
359
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
360
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
361
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
362
|
* Exclusive LDR command for 16 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
363
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
364
|
uint16_t __LDREXH(uint16_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
365
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
366
|
__ASM("ldrexh r0, [r0]");
|
| Kovalev_D |
22:12e6183f04d4
|
367
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
368
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
369
|
|
| Kovalev_D |
22:12e6183f04d4
|
370
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
371
|
* @brief LDR Exclusive (32 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
372
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
373
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
374
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
375
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
376
|
* Exclusive LDR command for 32 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
377
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
378
|
uint32_t __LDREXW(uint32_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
379
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
380
|
__ASM("ldrex r0, [r0]");
|
| Kovalev_D |
22:12e6183f04d4
|
381
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
382
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
383
|
|
| Kovalev_D |
22:12e6183f04d4
|
384
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
385
|
* @brief STR Exclusive (8 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
386
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
387
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
388
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
389
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
390
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
391
|
* Exclusive STR command for 8 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
392
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
393
|
uint32_t __STREXB(uint8_t value, uint8_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
394
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
395
|
__ASM("strexb r0, r0, [r1]");
|
| Kovalev_D |
22:12e6183f04d4
|
396
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
397
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
398
|
|
| Kovalev_D |
22:12e6183f04d4
|
399
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
400
|
* @brief STR Exclusive (16 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
401
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
402
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
403
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
404
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
405
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
406
|
* Exclusive STR command for 16 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
407
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
408
|
uint32_t __STREXH(uint16_t value, uint16_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
409
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
410
|
__ASM("strexh r0, r0, [r1]");
|
| Kovalev_D |
22:12e6183f04d4
|
411
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
412
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
413
|
|
| Kovalev_D |
22:12e6183f04d4
|
414
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
415
|
* @brief STR Exclusive (32 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
416
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
417
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
418
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
419
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
420
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
421
|
* Exclusive STR command for 32 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
422
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
423
|
uint32_t __STREXW(uint32_t value, uint32_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
424
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
425
|
__ASM("strex r0, r0, [r1]");
|
| Kovalev_D |
22:12e6183f04d4
|
426
|
__ASM("bx lr");
|
| Kovalev_D |
22:12e6183f04d4
|
427
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
428
|
|
| Kovalev_D |
22:12e6183f04d4
|
429
|
#pragma diag_default=Pe940
|
| Kovalev_D |
22:12e6183f04d4
|
430
|
|
| Kovalev_D |
22:12e6183f04d4
|
431
|
|
| Kovalev_D |
22:12e6183f04d4
|
432
|
#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
|
| Kovalev_D |
22:12e6183f04d4
|
433
|
/* GNU gcc specific functions */
|
| Kovalev_D |
22:12e6183f04d4
|
434
|
|
| Kovalev_D |
22:12e6183f04d4
|
435
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
436
|
* @brief Return the Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
437
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
438
|
* @return ProcessStackPointer
|
| Kovalev_D |
22:12e6183f04d4
|
439
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
440
|
* Return the actual process stack pointer
|
| Kovalev_D |
22:12e6183f04d4
|
441
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
442
|
uint32_t __get_PSP(void) __attribute__( ( naked ) );
|
| Kovalev_D |
22:12e6183f04d4
|
443
|
uint32_t __get_PSP(void)
|
| Kovalev_D |
22:12e6183f04d4
|
444
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
445
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
446
|
|
| Kovalev_D |
22:12e6183f04d4
|
447
|
__ASM volatile ("MRS %0, psp\n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
448
|
"MOV r0, %0 \n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
449
|
"BX lr \n\t" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
450
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
451
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
452
|
|
| Kovalev_D |
22:12e6183f04d4
|
453
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
454
|
* @brief Set the Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
455
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
456
|
* @param topOfProcStack Process Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
457
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
458
|
* Assign the value ProcessStackPointer to the MSP
|
| Kovalev_D |
22:12e6183f04d4
|
459
|
* (process stack pointer) Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
460
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
461
|
void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) );
|
| Kovalev_D |
22:12e6183f04d4
|
462
|
void __set_PSP(uint32_t topOfProcStack)
|
| Kovalev_D |
22:12e6183f04d4
|
463
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
464
|
__ASM volatile ("MSR psp, %0\n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
465
|
"BX lr \n\t" : : "r" (topOfProcStack) );
|
| Kovalev_D |
22:12e6183f04d4
|
466
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
467
|
|
| Kovalev_D |
22:12e6183f04d4
|
468
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
469
|
* @brief Return the Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
470
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
471
|
* @return Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
472
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
473
|
* Return the current value of the MSP (main stack pointer)
|
| Kovalev_D |
22:12e6183f04d4
|
474
|
* Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
475
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
476
|
uint32_t __get_MSP(void) __attribute__( ( naked ) );
|
| Kovalev_D |
22:12e6183f04d4
|
477
|
uint32_t __get_MSP(void)
|
| Kovalev_D |
22:12e6183f04d4
|
478
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
479
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
480
|
|
| Kovalev_D |
22:12e6183f04d4
|
481
|
__ASM volatile ("MRS %0, msp\n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
482
|
"MOV r0, %0 \n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
483
|
"BX lr \n\t" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
484
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
485
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
486
|
|
| Kovalev_D |
22:12e6183f04d4
|
487
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
488
|
* @brief Set the Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
489
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
490
|
* @param topOfMainStack Main Stack Pointer
|
| Kovalev_D |
22:12e6183f04d4
|
491
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
492
|
* Assign the value mainStackPointer to the MSP
|
| Kovalev_D |
22:12e6183f04d4
|
493
|
* (main stack pointer) Cortex processor register
|
| Kovalev_D |
22:12e6183f04d4
|
494
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
495
|
void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) );
|
| Kovalev_D |
22:12e6183f04d4
|
496
|
void __set_MSP(uint32_t topOfMainStack)
|
| Kovalev_D |
22:12e6183f04d4
|
497
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
498
|
__ASM volatile ("MSR msp, %0\n\t"
|
| Kovalev_D |
22:12e6183f04d4
|
499
|
"BX lr \n\t" : : "r" (topOfMainStack) );
|
| Kovalev_D |
22:12e6183f04d4
|
500
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
501
|
|
| Kovalev_D |
22:12e6183f04d4
|
502
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
503
|
* @brief Return the Base Priority value
|
| Kovalev_D |
22:12e6183f04d4
|
504
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
505
|
* @return BasePriority
|
| Kovalev_D |
22:12e6183f04d4
|
506
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
507
|
* Return the content of the base priority register
|
| Kovalev_D |
22:12e6183f04d4
|
508
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
509
|
uint32_t __get_BASEPRI(void)
|
| Kovalev_D |
22:12e6183f04d4
|
510
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
511
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
512
|
|
| Kovalev_D |
22:12e6183f04d4
|
513
|
__ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
514
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
515
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
516
|
|
| Kovalev_D |
22:12e6183f04d4
|
517
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
518
|
* @brief Set the Base Priority value
|
| Kovalev_D |
22:12e6183f04d4
|
519
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
520
|
* @param basePri BasePriority
|
| Kovalev_D |
22:12e6183f04d4
|
521
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
522
|
* Set the base priority register
|
| Kovalev_D |
22:12e6183f04d4
|
523
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
524
|
void __set_BASEPRI(uint32_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
525
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
526
|
__ASM volatile ("MSR basepri, %0" : : "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
527
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
528
|
|
| Kovalev_D |
22:12e6183f04d4
|
529
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
530
|
* @brief Return the Priority Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
531
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
532
|
* @return PriMask
|
| Kovalev_D |
22:12e6183f04d4
|
533
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
534
|
* Return state of the priority mask bit from the priority mask register
|
| Kovalev_D |
22:12e6183f04d4
|
535
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
536
|
uint32_t __get_PRIMASK(void)
|
| Kovalev_D |
22:12e6183f04d4
|
537
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
538
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
539
|
|
| Kovalev_D |
22:12e6183f04d4
|
540
|
__ASM volatile ("MRS %0, primask" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
541
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
542
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
543
|
|
| Kovalev_D |
22:12e6183f04d4
|
544
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
545
|
* @brief Set the Priority Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
546
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
547
|
* @param priMask PriMask
|
| Kovalev_D |
22:12e6183f04d4
|
548
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
549
|
* Set the priority mask bit in the priority mask register
|
| Kovalev_D |
22:12e6183f04d4
|
550
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
551
|
void __set_PRIMASK(uint32_t priMask)
|
| Kovalev_D |
22:12e6183f04d4
|
552
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
553
|
__ASM volatile ("MSR primask, %0" : : "r" (priMask) );
|
| Kovalev_D |
22:12e6183f04d4
|
554
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
555
|
|
| Kovalev_D |
22:12e6183f04d4
|
556
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
557
|
* @brief Return the Fault Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
558
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
559
|
* @return FaultMask
|
| Kovalev_D |
22:12e6183f04d4
|
560
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
561
|
* Return the content of the fault mask register
|
| Kovalev_D |
22:12e6183f04d4
|
562
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
563
|
uint32_t __get_FAULTMASK(void)
|
| Kovalev_D |
22:12e6183f04d4
|
564
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
565
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
566
|
|
| Kovalev_D |
22:12e6183f04d4
|
567
|
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
568
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
569
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
570
|
|
| Kovalev_D |
22:12e6183f04d4
|
571
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
572
|
* @brief Set the Fault Mask value
|
| Kovalev_D |
22:12e6183f04d4
|
573
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
574
|
* @param faultMask faultMask value
|
| Kovalev_D |
22:12e6183f04d4
|
575
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
576
|
* Set the fault mask register
|
| Kovalev_D |
22:12e6183f04d4
|
577
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
578
|
void __set_FAULTMASK(uint32_t faultMask)
|
| Kovalev_D |
22:12e6183f04d4
|
579
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
580
|
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
|
| Kovalev_D |
22:12e6183f04d4
|
581
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
582
|
|
| Kovalev_D |
22:12e6183f04d4
|
583
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
584
|
* @brief Return the Control Register value
|
| Kovalev_D |
22:12e6183f04d4
|
585
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
586
|
* @return Control value
|
| Kovalev_D |
22:12e6183f04d4
|
587
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
588
|
* Return the content of the control register
|
| Kovalev_D |
22:12e6183f04d4
|
589
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
590
|
uint32_t __get_CONTROL(void)
|
| Kovalev_D |
22:12e6183f04d4
|
591
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
592
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
593
|
|
| Kovalev_D |
22:12e6183f04d4
|
594
|
__ASM volatile ("MRS %0, control" : "=r" (result) );
|
| Kovalev_D |
22:12e6183f04d4
|
595
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
596
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
597
|
|
| Kovalev_D |
22:12e6183f04d4
|
598
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
599
|
* @brief Set the Control Register value
|
| Kovalev_D |
22:12e6183f04d4
|
600
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
601
|
* @param control Control value
|
| Kovalev_D |
22:12e6183f04d4
|
602
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
603
|
* Set the control register
|
| Kovalev_D |
22:12e6183f04d4
|
604
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
605
|
void __set_CONTROL(uint32_t control)
|
| Kovalev_D |
22:12e6183f04d4
|
606
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
607
|
__ASM volatile ("MSR control, %0" : : "r" (control) );
|
| Kovalev_D |
22:12e6183f04d4
|
608
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
609
|
|
| Kovalev_D |
22:12e6183f04d4
|
610
|
|
| Kovalev_D |
22:12e6183f04d4
|
611
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
612
|
* @brief Reverse byte order in integer value
|
| Kovalev_D |
22:12e6183f04d4
|
613
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
614
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
615
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
616
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
617
|
* Reverse byte order in integer value
|
| Kovalev_D |
22:12e6183f04d4
|
618
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
619
|
uint32_t __REV(uint32_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
620
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
621
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
622
|
|
| Kovalev_D |
22:12e6183f04d4
|
623
|
__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
624
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
625
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
626
|
|
| Kovalev_D |
22:12e6183f04d4
|
627
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
628
|
* @brief Reverse byte order in unsigned short value
|
| Kovalev_D |
22:12e6183f04d4
|
629
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
630
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
631
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
632
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
633
|
* Reverse byte order in unsigned short value
|
| Kovalev_D |
22:12e6183f04d4
|
634
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
635
|
uint32_t __REV16(uint16_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
636
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
637
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
638
|
|
| Kovalev_D |
22:12e6183f04d4
|
639
|
__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
640
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
641
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
642
|
|
| Kovalev_D |
22:12e6183f04d4
|
643
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
644
|
* @brief Reverse byte order in signed short value with sign extension to integer
|
| Kovalev_D |
22:12e6183f04d4
|
645
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
646
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
647
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
648
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
649
|
* Reverse byte order in signed short value with sign extension to integer
|
| Kovalev_D |
22:12e6183f04d4
|
650
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
651
|
int32_t __REVSH(int16_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
652
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
653
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
654
|
|
| Kovalev_D |
22:12e6183f04d4
|
655
|
__ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
656
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
657
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
658
|
|
| Kovalev_D |
22:12e6183f04d4
|
659
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
660
|
* @brief Reverse bit order of value
|
| Kovalev_D |
22:12e6183f04d4
|
661
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
662
|
* @param value value to reverse
|
| Kovalev_D |
22:12e6183f04d4
|
663
|
* @return reversed value
|
| Kovalev_D |
22:12e6183f04d4
|
664
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
665
|
* Reverse bit order of value
|
| Kovalev_D |
22:12e6183f04d4
|
666
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
667
|
uint32_t __RBIT(uint32_t value)
|
| Kovalev_D |
22:12e6183f04d4
|
668
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
669
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
670
|
|
| Kovalev_D |
22:12e6183f04d4
|
671
|
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
672
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
673
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
674
|
|
| Kovalev_D |
22:12e6183f04d4
|
675
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
676
|
* @brief LDR Exclusive (8 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
677
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
678
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
679
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
680
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
681
|
* Exclusive LDR command for 8 bit value
|
| Kovalev_D |
22:12e6183f04d4
|
682
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
683
|
uint8_t __LDREXB(uint8_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
684
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
685
|
uint8_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
686
|
|
| Kovalev_D |
22:12e6183f04d4
|
687
|
__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
|
| Kovalev_D |
22:12e6183f04d4
|
688
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
689
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
690
|
|
| Kovalev_D |
22:12e6183f04d4
|
691
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
692
|
* @brief LDR Exclusive (16 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
693
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
694
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
695
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
696
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
697
|
* Exclusive LDR command for 16 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
698
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
699
|
uint16_t __LDREXH(uint16_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
700
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
701
|
uint16_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
702
|
|
| Kovalev_D |
22:12e6183f04d4
|
703
|
__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
|
| Kovalev_D |
22:12e6183f04d4
|
704
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
705
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
706
|
|
| Kovalev_D |
22:12e6183f04d4
|
707
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
708
|
* @brief LDR Exclusive (32 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
709
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
710
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
711
|
* @return value of (*address)
|
| Kovalev_D |
22:12e6183f04d4
|
712
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
713
|
* Exclusive LDR command for 32 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
714
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
715
|
uint32_t __LDREXW(uint32_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
716
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
717
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
718
|
|
| Kovalev_D |
22:12e6183f04d4
|
719
|
__ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
|
| Kovalev_D |
22:12e6183f04d4
|
720
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
721
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
722
|
|
| Kovalev_D |
22:12e6183f04d4
|
723
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
724
|
* @brief STR Exclusive (8 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
725
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
726
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
727
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
728
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
729
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
730
|
* Exclusive STR command for 8 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
731
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
732
|
uint32_t __STREXB(uint8_t value, uint8_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
733
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
734
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
735
|
|
| Kovalev_D |
22:12e6183f04d4
|
736
|
__ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
737
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
738
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
739
|
|
| Kovalev_D |
22:12e6183f04d4
|
740
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
741
|
* @brief STR Exclusive (16 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
742
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
743
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
744
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
745
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
746
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
747
|
* Exclusive STR command for 16 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
748
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
749
|
uint32_t __STREXH(uint16_t value, uint16_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
750
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
751
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
752
|
|
| Kovalev_D |
22:12e6183f04d4
|
753
|
__ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
754
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
755
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
756
|
|
| Kovalev_D |
22:12e6183f04d4
|
757
|
/**
|
| Kovalev_D |
22:12e6183f04d4
|
758
|
* @brief STR Exclusive (32 bit)
|
| Kovalev_D |
22:12e6183f04d4
|
759
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
760
|
* @param value value to store
|
| Kovalev_D |
22:12e6183f04d4
|
761
|
* @param *addr address pointer
|
| Kovalev_D |
22:12e6183f04d4
|
762
|
* @return successful / failed
|
| Kovalev_D |
22:12e6183f04d4
|
763
|
*
|
| Kovalev_D |
22:12e6183f04d4
|
764
|
* Exclusive STR command for 32 bit values
|
| Kovalev_D |
22:12e6183f04d4
|
765
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
766
|
uint32_t __STREXW(uint32_t value, uint32_t *addr)
|
| Kovalev_D |
22:12e6183f04d4
|
767
|
{
|
| Kovalev_D |
22:12e6183f04d4
|
768
|
uint32_t result=0;
|
| Kovalev_D |
22:12e6183f04d4
|
769
|
|
| Kovalev_D |
22:12e6183f04d4
|
770
|
__ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
|
| Kovalev_D |
22:12e6183f04d4
|
771
|
return(result);
|
| Kovalev_D |
22:12e6183f04d4
|
772
|
}
|
| Kovalev_D |
22:12e6183f04d4
|
773
|
|
| Kovalev_D |
22:12e6183f04d4
|
774
|
|
| Kovalev_D |
22:12e6183f04d4
|
775
|
#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
|
| Kovalev_D |
22:12e6183f04d4
|
776
|
/* TASKING carm specific functions */
|
| Kovalev_D |
22:12e6183f04d4
|
777
|
|
| Kovalev_D |
22:12e6183f04d4
|
778
|
/*
|
| Kovalev_D |
22:12e6183f04d4
|
779
|
* The CMSIS functions have been implemented as intrinsics in the compiler.
|
| Kovalev_D |
22:12e6183f04d4
|
780
|
* Please use "carm -?i" to get an up to date list of all instrinsics,
|
| Kovalev_D |
22:12e6183f04d4
|
781
|
* Including the CMSIS ones.
|
| Kovalev_D |
22:12e6183f04d4
|
782
|
*/
|
| Kovalev_D |
22:12e6183f04d4
|
783
|
|
| Kovalev_D |
22:12e6183f04d4
|
784
|
#endif
|
igor Apu
