Martin Johnson
/
STM32F3-Discovery-minimal
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Dependents: accelerometer_test neopixel_square accelerometer_test_minimal Colour_Video_Demo
inc/core_cmFunc.h@0:c65854d98061, 2018-05-02 (annotated)
- Committer:
- MartinJohnson
- Date:
- Wed May 02 02:01:13 2018 +0000
- Revision:
- 0:c65854d98061
Initial Version
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| MartinJohnson | 0:c65854d98061 | 1 | /**************************************************************************//** |
| MartinJohnson | 0:c65854d98061 | 2 | * @file core_cmFunc.h |
| MartinJohnson | 0:c65854d98061 | 3 | * @brief CMSIS Cortex-M Core Function Access Header File |
| MartinJohnson | 0:c65854d98061 | 4 | * @version V4.00 |
| MartinJohnson | 0:c65854d98061 | 5 | * @date 28. August 2014 |
| MartinJohnson | 0:c65854d98061 | 6 | * |
| MartinJohnson | 0:c65854d98061 | 7 | * @note |
| MartinJohnson | 0:c65854d98061 | 8 | * |
| MartinJohnson | 0:c65854d98061 | 9 | ******************************************************************************/ |
| MartinJohnson | 0:c65854d98061 | 10 | /* Copyright (c) 2009 - 2014 ARM LIMITED |
| MartinJohnson | 0:c65854d98061 | 11 | |
| MartinJohnson | 0:c65854d98061 | 12 | All rights reserved. |
| MartinJohnson | 0:c65854d98061 | 13 | Redistribution and use in source and binary forms, with or without |
| MartinJohnson | 0:c65854d98061 | 14 | modification, are permitted provided that the following conditions are met: |
| MartinJohnson | 0:c65854d98061 | 15 | - Redistributions of source code must retain the above copyright |
| MartinJohnson | 0:c65854d98061 | 16 | notice, this list of conditions and the following disclaimer. |
| MartinJohnson | 0:c65854d98061 | 17 | - Redistributions in binary form must reproduce the above copyright |
| MartinJohnson | 0:c65854d98061 | 18 | notice, this list of conditions and the following disclaimer in the |
| MartinJohnson | 0:c65854d98061 | 19 | documentation and/or other materials provided with the distribution. |
| MartinJohnson | 0:c65854d98061 | 20 | - Neither the name of ARM nor the names of its contributors may be used |
| MartinJohnson | 0:c65854d98061 | 21 | to endorse or promote products derived from this software without |
| MartinJohnson | 0:c65854d98061 | 22 | specific prior written permission. |
| MartinJohnson | 0:c65854d98061 | 23 | * |
| MartinJohnson | 0:c65854d98061 | 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| MartinJohnson | 0:c65854d98061 | 25 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| MartinJohnson | 0:c65854d98061 | 26 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| MartinJohnson | 0:c65854d98061 | 27 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
| MartinJohnson | 0:c65854d98061 | 28 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| MartinJohnson | 0:c65854d98061 | 29 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| MartinJohnson | 0:c65854d98061 | 30 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| MartinJohnson | 0:c65854d98061 | 31 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| MartinJohnson | 0:c65854d98061 | 32 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| MartinJohnson | 0:c65854d98061 | 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| MartinJohnson | 0:c65854d98061 | 34 | POSSIBILITY OF SUCH DAMAGE. |
| MartinJohnson | 0:c65854d98061 | 35 | ---------------------------------------------------------------------------*/ |
| MartinJohnson | 0:c65854d98061 | 36 | |
| MartinJohnson | 0:c65854d98061 | 37 | |
| MartinJohnson | 0:c65854d98061 | 38 | #ifndef __CORE_CMFUNC_H |
| MartinJohnson | 0:c65854d98061 | 39 | #define __CORE_CMFUNC_H |
| MartinJohnson | 0:c65854d98061 | 40 | |
| MartinJohnson | 0:c65854d98061 | 41 | |
| MartinJohnson | 0:c65854d98061 | 42 | /* ########################### Core Function Access ########################### */ |
| MartinJohnson | 0:c65854d98061 | 43 | /** \ingroup CMSIS_Core_FunctionInterface |
| MartinJohnson | 0:c65854d98061 | 44 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
| MartinJohnson | 0:c65854d98061 | 45 | @{ |
| MartinJohnson | 0:c65854d98061 | 46 | */ |
| MartinJohnson | 0:c65854d98061 | 47 | |
| MartinJohnson | 0:c65854d98061 | 48 | #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ |
| MartinJohnson | 0:c65854d98061 | 49 | /* ARM armcc specific functions */ |
| MartinJohnson | 0:c65854d98061 | 50 | |
| MartinJohnson | 0:c65854d98061 | 51 | #if (__ARMCC_VERSION < 400677) |
| MartinJohnson | 0:c65854d98061 | 52 | #error "Please use ARM Compiler Toolchain V4.0.677 or later!" |
| MartinJohnson | 0:c65854d98061 | 53 | #endif |
| MartinJohnson | 0:c65854d98061 | 54 | |
| MartinJohnson | 0:c65854d98061 | 55 | /* intrinsic void __enable_irq(); */ |
| MartinJohnson | 0:c65854d98061 | 56 | /* intrinsic void __disable_irq(); */ |
| MartinJohnson | 0:c65854d98061 | 57 | |
| MartinJohnson | 0:c65854d98061 | 58 | /** \brief Get Control Register |
| MartinJohnson | 0:c65854d98061 | 59 | |
| MartinJohnson | 0:c65854d98061 | 60 | This function returns the content of the Control Register. |
| MartinJohnson | 0:c65854d98061 | 61 | |
| MartinJohnson | 0:c65854d98061 | 62 | \return Control Register value |
| MartinJohnson | 0:c65854d98061 | 63 | */ |
| MartinJohnson | 0:c65854d98061 | 64 | __STATIC_INLINE uint32_t __get_CONTROL(void) |
| MartinJohnson | 0:c65854d98061 | 65 | { |
| MartinJohnson | 0:c65854d98061 | 66 | register uint32_t __regControl __ASM("control"); |
| MartinJohnson | 0:c65854d98061 | 67 | return(__regControl); |
| MartinJohnson | 0:c65854d98061 | 68 | } |
| MartinJohnson | 0:c65854d98061 | 69 | |
| MartinJohnson | 0:c65854d98061 | 70 | |
| MartinJohnson | 0:c65854d98061 | 71 | /** \brief Set Control Register |
| MartinJohnson | 0:c65854d98061 | 72 | |
| MartinJohnson | 0:c65854d98061 | 73 | This function writes the given value to the Control Register. |
| MartinJohnson | 0:c65854d98061 | 74 | |
| MartinJohnson | 0:c65854d98061 | 75 | \param [in] control Control Register value to set |
| MartinJohnson | 0:c65854d98061 | 76 | */ |
| MartinJohnson | 0:c65854d98061 | 77 | __STATIC_INLINE void __set_CONTROL(uint32_t control) |
| MartinJohnson | 0:c65854d98061 | 78 | { |
| MartinJohnson | 0:c65854d98061 | 79 | register uint32_t __regControl __ASM("control"); |
| MartinJohnson | 0:c65854d98061 | 80 | __regControl = control; |
| MartinJohnson | 0:c65854d98061 | 81 | } |
| MartinJohnson | 0:c65854d98061 | 82 | |
| MartinJohnson | 0:c65854d98061 | 83 | |
| MartinJohnson | 0:c65854d98061 | 84 | /** \brief Get IPSR Register |
| MartinJohnson | 0:c65854d98061 | 85 | |
| MartinJohnson | 0:c65854d98061 | 86 | This function returns the content of the IPSR Register. |
| MartinJohnson | 0:c65854d98061 | 87 | |
| MartinJohnson | 0:c65854d98061 | 88 | \return IPSR Register value |
| MartinJohnson | 0:c65854d98061 | 89 | */ |
| MartinJohnson | 0:c65854d98061 | 90 | __STATIC_INLINE uint32_t __get_IPSR(void) |
| MartinJohnson | 0:c65854d98061 | 91 | { |
| MartinJohnson | 0:c65854d98061 | 92 | register uint32_t __regIPSR __ASM("ipsr"); |
| MartinJohnson | 0:c65854d98061 | 93 | return(__regIPSR); |
| MartinJohnson | 0:c65854d98061 | 94 | } |
| MartinJohnson | 0:c65854d98061 | 95 | |
| MartinJohnson | 0:c65854d98061 | 96 | |
| MartinJohnson | 0:c65854d98061 | 97 | /** \brief Get APSR Register |
| MartinJohnson | 0:c65854d98061 | 98 | |
| MartinJohnson | 0:c65854d98061 | 99 | This function returns the content of the APSR Register. |
| MartinJohnson | 0:c65854d98061 | 100 | |
| MartinJohnson | 0:c65854d98061 | 101 | \return APSR Register value |
| MartinJohnson | 0:c65854d98061 | 102 | */ |
| MartinJohnson | 0:c65854d98061 | 103 | __STATIC_INLINE uint32_t __get_APSR(void) |
| MartinJohnson | 0:c65854d98061 | 104 | { |
| MartinJohnson | 0:c65854d98061 | 105 | register uint32_t __regAPSR __ASM("apsr"); |
| MartinJohnson | 0:c65854d98061 | 106 | return(__regAPSR); |
| MartinJohnson | 0:c65854d98061 | 107 | } |
| MartinJohnson | 0:c65854d98061 | 108 | |
| MartinJohnson | 0:c65854d98061 | 109 | |
| MartinJohnson | 0:c65854d98061 | 110 | /** \brief Get xPSR Register |
| MartinJohnson | 0:c65854d98061 | 111 | |
| MartinJohnson | 0:c65854d98061 | 112 | This function returns the content of the xPSR Register. |
| MartinJohnson | 0:c65854d98061 | 113 | |
| MartinJohnson | 0:c65854d98061 | 114 | \return xPSR Register value |
| MartinJohnson | 0:c65854d98061 | 115 | */ |
| MartinJohnson | 0:c65854d98061 | 116 | __STATIC_INLINE uint32_t __get_xPSR(void) |
| MartinJohnson | 0:c65854d98061 | 117 | { |
| MartinJohnson | 0:c65854d98061 | 118 | register uint32_t __regXPSR __ASM("xpsr"); |
| MartinJohnson | 0:c65854d98061 | 119 | return(__regXPSR); |
| MartinJohnson | 0:c65854d98061 | 120 | } |
| MartinJohnson | 0:c65854d98061 | 121 | |
| MartinJohnson | 0:c65854d98061 | 122 | |
| MartinJohnson | 0:c65854d98061 | 123 | /** \brief Get Process Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 124 | |
| MartinJohnson | 0:c65854d98061 | 125 | This function returns the current value of the Process Stack Pointer (PSP). |
| MartinJohnson | 0:c65854d98061 | 126 | |
| MartinJohnson | 0:c65854d98061 | 127 | \return PSP Register value |
| MartinJohnson | 0:c65854d98061 | 128 | */ |
| MartinJohnson | 0:c65854d98061 | 129 | __STATIC_INLINE uint32_t __get_PSP(void) |
| MartinJohnson | 0:c65854d98061 | 130 | { |
| MartinJohnson | 0:c65854d98061 | 131 | register uint32_t __regProcessStackPointer __ASM("psp"); |
| MartinJohnson | 0:c65854d98061 | 132 | return(__regProcessStackPointer); |
| MartinJohnson | 0:c65854d98061 | 133 | } |
| MartinJohnson | 0:c65854d98061 | 134 | |
| MartinJohnson | 0:c65854d98061 | 135 | |
| MartinJohnson | 0:c65854d98061 | 136 | /** \brief Set Process Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 137 | |
| MartinJohnson | 0:c65854d98061 | 138 | This function assigns the given value to the Process Stack Pointer (PSP). |
| MartinJohnson | 0:c65854d98061 | 139 | |
| MartinJohnson | 0:c65854d98061 | 140 | \param [in] topOfProcStack Process Stack Pointer value to set |
| MartinJohnson | 0:c65854d98061 | 141 | */ |
| MartinJohnson | 0:c65854d98061 | 142 | __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
| MartinJohnson | 0:c65854d98061 | 143 | { |
| MartinJohnson | 0:c65854d98061 | 144 | register uint32_t __regProcessStackPointer __ASM("psp"); |
| MartinJohnson | 0:c65854d98061 | 145 | __regProcessStackPointer = topOfProcStack; |
| MartinJohnson | 0:c65854d98061 | 146 | } |
| MartinJohnson | 0:c65854d98061 | 147 | |
| MartinJohnson | 0:c65854d98061 | 148 | |
| MartinJohnson | 0:c65854d98061 | 149 | /** \brief Get Main Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 150 | |
| MartinJohnson | 0:c65854d98061 | 151 | This function returns the current value of the Main Stack Pointer (MSP). |
| MartinJohnson | 0:c65854d98061 | 152 | |
| MartinJohnson | 0:c65854d98061 | 153 | \return MSP Register value |
| MartinJohnson | 0:c65854d98061 | 154 | */ |
| MartinJohnson | 0:c65854d98061 | 155 | __STATIC_INLINE uint32_t __get_MSP(void) |
| MartinJohnson | 0:c65854d98061 | 156 | { |
| MartinJohnson | 0:c65854d98061 | 157 | register uint32_t __regMainStackPointer __ASM("msp"); |
| MartinJohnson | 0:c65854d98061 | 158 | return(__regMainStackPointer); |
| MartinJohnson | 0:c65854d98061 | 159 | } |
| MartinJohnson | 0:c65854d98061 | 160 | |
| MartinJohnson | 0:c65854d98061 | 161 | |
| MartinJohnson | 0:c65854d98061 | 162 | /** \brief Set Main Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 163 | |
| MartinJohnson | 0:c65854d98061 | 164 | This function assigns the given value to the Main Stack Pointer (MSP). |
| MartinJohnson | 0:c65854d98061 | 165 | |
| MartinJohnson | 0:c65854d98061 | 166 | \param [in] topOfMainStack Main Stack Pointer value to set |
| MartinJohnson | 0:c65854d98061 | 167 | */ |
| MartinJohnson | 0:c65854d98061 | 168 | __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
| MartinJohnson | 0:c65854d98061 | 169 | { |
| MartinJohnson | 0:c65854d98061 | 170 | register uint32_t __regMainStackPointer __ASM("msp"); |
| MartinJohnson | 0:c65854d98061 | 171 | __regMainStackPointer = topOfMainStack; |
| MartinJohnson | 0:c65854d98061 | 172 | } |
| MartinJohnson | 0:c65854d98061 | 173 | |
| MartinJohnson | 0:c65854d98061 | 174 | |
| MartinJohnson | 0:c65854d98061 | 175 | /** \brief Get Priority Mask |
| MartinJohnson | 0:c65854d98061 | 176 | |
| MartinJohnson | 0:c65854d98061 | 177 | This function returns the current state of the priority mask bit from the Priority Mask Register. |
| MartinJohnson | 0:c65854d98061 | 178 | |
| MartinJohnson | 0:c65854d98061 | 179 | \return Priority Mask value |
| MartinJohnson | 0:c65854d98061 | 180 | */ |
| MartinJohnson | 0:c65854d98061 | 181 | __STATIC_INLINE uint32_t __get_PRIMASK(void) |
| MartinJohnson | 0:c65854d98061 | 182 | { |
| MartinJohnson | 0:c65854d98061 | 183 | register uint32_t __regPriMask __ASM("primask"); |
| MartinJohnson | 0:c65854d98061 | 184 | return(__regPriMask); |
| MartinJohnson | 0:c65854d98061 | 185 | } |
| MartinJohnson | 0:c65854d98061 | 186 | |
| MartinJohnson | 0:c65854d98061 | 187 | |
| MartinJohnson | 0:c65854d98061 | 188 | /** \brief Set Priority Mask |
| MartinJohnson | 0:c65854d98061 | 189 | |
| MartinJohnson | 0:c65854d98061 | 190 | This function assigns the given value to the Priority Mask Register. |
| MartinJohnson | 0:c65854d98061 | 191 | |
| MartinJohnson | 0:c65854d98061 | 192 | \param [in] priMask Priority Mask |
| MartinJohnson | 0:c65854d98061 | 193 | */ |
| MartinJohnson | 0:c65854d98061 | 194 | __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
| MartinJohnson | 0:c65854d98061 | 195 | { |
| MartinJohnson | 0:c65854d98061 | 196 | register uint32_t __regPriMask __ASM("primask"); |
| MartinJohnson | 0:c65854d98061 | 197 | __regPriMask = (priMask); |
| MartinJohnson | 0:c65854d98061 | 198 | } |
| MartinJohnson | 0:c65854d98061 | 199 | |
| MartinJohnson | 0:c65854d98061 | 200 | |
| MartinJohnson | 0:c65854d98061 | 201 | #if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) |
| MartinJohnson | 0:c65854d98061 | 202 | |
| MartinJohnson | 0:c65854d98061 | 203 | /** \brief Enable FIQ |
| MartinJohnson | 0:c65854d98061 | 204 | |
| MartinJohnson | 0:c65854d98061 | 205 | This function enables FIQ interrupts by clearing the F-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 206 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 207 | */ |
| MartinJohnson | 0:c65854d98061 | 208 | #define __enable_fault_irq __enable_fiq |
| MartinJohnson | 0:c65854d98061 | 209 | |
| MartinJohnson | 0:c65854d98061 | 210 | |
| MartinJohnson | 0:c65854d98061 | 211 | /** \brief Disable FIQ |
| MartinJohnson | 0:c65854d98061 | 212 | |
| MartinJohnson | 0:c65854d98061 | 213 | This function disables FIQ interrupts by setting the F-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 214 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 215 | */ |
| MartinJohnson | 0:c65854d98061 | 216 | #define __disable_fault_irq __disable_fiq |
| MartinJohnson | 0:c65854d98061 | 217 | |
| MartinJohnson | 0:c65854d98061 | 218 | |
| MartinJohnson | 0:c65854d98061 | 219 | /** \brief Get Base Priority |
| MartinJohnson | 0:c65854d98061 | 220 | |
| MartinJohnson | 0:c65854d98061 | 221 | This function returns the current value of the Base Priority register. |
| MartinJohnson | 0:c65854d98061 | 222 | |
| MartinJohnson | 0:c65854d98061 | 223 | \return Base Priority register value |
| MartinJohnson | 0:c65854d98061 | 224 | */ |
| MartinJohnson | 0:c65854d98061 | 225 | __STATIC_INLINE uint32_t __get_BASEPRI(void) |
| MartinJohnson | 0:c65854d98061 | 226 | { |
| MartinJohnson | 0:c65854d98061 | 227 | register uint32_t __regBasePri __ASM("basepri"); |
| MartinJohnson | 0:c65854d98061 | 228 | return(__regBasePri); |
| MartinJohnson | 0:c65854d98061 | 229 | } |
| MartinJohnson | 0:c65854d98061 | 230 | |
| MartinJohnson | 0:c65854d98061 | 231 | |
| MartinJohnson | 0:c65854d98061 | 232 | /** \brief Set Base Priority |
| MartinJohnson | 0:c65854d98061 | 233 | |
| MartinJohnson | 0:c65854d98061 | 234 | This function assigns the given value to the Base Priority register. |
| MartinJohnson | 0:c65854d98061 | 235 | |
| MartinJohnson | 0:c65854d98061 | 236 | \param [in] basePri Base Priority value to set |
| MartinJohnson | 0:c65854d98061 | 237 | */ |
| MartinJohnson | 0:c65854d98061 | 238 | __STATIC_INLINE void __set_BASEPRI(uint32_t basePri) |
| MartinJohnson | 0:c65854d98061 | 239 | { |
| MartinJohnson | 0:c65854d98061 | 240 | register uint32_t __regBasePri __ASM("basepri"); |
| MartinJohnson | 0:c65854d98061 | 241 | __regBasePri = (basePri & 0xff); |
| MartinJohnson | 0:c65854d98061 | 242 | } |
| MartinJohnson | 0:c65854d98061 | 243 | |
| MartinJohnson | 0:c65854d98061 | 244 | |
| MartinJohnson | 0:c65854d98061 | 245 | /** \brief Get Fault Mask |
| MartinJohnson | 0:c65854d98061 | 246 | |
| MartinJohnson | 0:c65854d98061 | 247 | This function returns the current value of the Fault Mask register. |
| MartinJohnson | 0:c65854d98061 | 248 | |
| MartinJohnson | 0:c65854d98061 | 249 | \return Fault Mask register value |
| MartinJohnson | 0:c65854d98061 | 250 | */ |
| MartinJohnson | 0:c65854d98061 | 251 | __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
| MartinJohnson | 0:c65854d98061 | 252 | { |
| MartinJohnson | 0:c65854d98061 | 253 | register uint32_t __regFaultMask __ASM("faultmask"); |
| MartinJohnson | 0:c65854d98061 | 254 | return(__regFaultMask); |
| MartinJohnson | 0:c65854d98061 | 255 | } |
| MartinJohnson | 0:c65854d98061 | 256 | |
| MartinJohnson | 0:c65854d98061 | 257 | |
| MartinJohnson | 0:c65854d98061 | 258 | /** \brief Set Fault Mask |
| MartinJohnson | 0:c65854d98061 | 259 | |
| MartinJohnson | 0:c65854d98061 | 260 | This function assigns the given value to the Fault Mask register. |
| MartinJohnson | 0:c65854d98061 | 261 | |
| MartinJohnson | 0:c65854d98061 | 262 | \param [in] faultMask Fault Mask value to set |
| MartinJohnson | 0:c65854d98061 | 263 | */ |
| MartinJohnson | 0:c65854d98061 | 264 | __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
| MartinJohnson | 0:c65854d98061 | 265 | { |
| MartinJohnson | 0:c65854d98061 | 266 | register uint32_t __regFaultMask __ASM("faultmask"); |
| MartinJohnson | 0:c65854d98061 | 267 | __regFaultMask = (faultMask & (uint32_t)1); |
| MartinJohnson | 0:c65854d98061 | 268 | } |
| MartinJohnson | 0:c65854d98061 | 269 | |
| MartinJohnson | 0:c65854d98061 | 270 | #endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ |
| MartinJohnson | 0:c65854d98061 | 271 | |
| MartinJohnson | 0:c65854d98061 | 272 | |
| MartinJohnson | 0:c65854d98061 | 273 | #if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) |
| MartinJohnson | 0:c65854d98061 | 274 | |
| MartinJohnson | 0:c65854d98061 | 275 | /** \brief Get FPSCR |
| MartinJohnson | 0:c65854d98061 | 276 | |
| MartinJohnson | 0:c65854d98061 | 277 | This function returns the current value of the Floating Point Status/Control register. |
| MartinJohnson | 0:c65854d98061 | 278 | |
| MartinJohnson | 0:c65854d98061 | 279 | \return Floating Point Status/Control register value |
| MartinJohnson | 0:c65854d98061 | 280 | */ |
| MartinJohnson | 0:c65854d98061 | 281 | __STATIC_INLINE uint32_t __get_FPSCR(void) |
| MartinJohnson | 0:c65854d98061 | 282 | { |
| MartinJohnson | 0:c65854d98061 | 283 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
| MartinJohnson | 0:c65854d98061 | 284 | register uint32_t __regfpscr __ASM("fpscr"); |
| MartinJohnson | 0:c65854d98061 | 285 | return(__regfpscr); |
| MartinJohnson | 0:c65854d98061 | 286 | #else |
| MartinJohnson | 0:c65854d98061 | 287 | return(0); |
| MartinJohnson | 0:c65854d98061 | 288 | #endif |
| MartinJohnson | 0:c65854d98061 | 289 | } |
| MartinJohnson | 0:c65854d98061 | 290 | |
| MartinJohnson | 0:c65854d98061 | 291 | |
| MartinJohnson | 0:c65854d98061 | 292 | /** \brief Set FPSCR |
| MartinJohnson | 0:c65854d98061 | 293 | |
| MartinJohnson | 0:c65854d98061 | 294 | This function assigns the given value to the Floating Point Status/Control register. |
| MartinJohnson | 0:c65854d98061 | 295 | |
| MartinJohnson | 0:c65854d98061 | 296 | \param [in] fpscr Floating Point Status/Control value to set |
| MartinJohnson | 0:c65854d98061 | 297 | */ |
| MartinJohnson | 0:c65854d98061 | 298 | __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
| MartinJohnson | 0:c65854d98061 | 299 | { |
| MartinJohnson | 0:c65854d98061 | 300 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
| MartinJohnson | 0:c65854d98061 | 301 | register uint32_t __regfpscr __ASM("fpscr"); |
| MartinJohnson | 0:c65854d98061 | 302 | __regfpscr = (fpscr); |
| MartinJohnson | 0:c65854d98061 | 303 | #endif |
| MartinJohnson | 0:c65854d98061 | 304 | } |
| MartinJohnson | 0:c65854d98061 | 305 | |
| MartinJohnson | 0:c65854d98061 | 306 | #endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ |
| MartinJohnson | 0:c65854d98061 | 307 | |
| MartinJohnson | 0:c65854d98061 | 308 | |
| MartinJohnson | 0:c65854d98061 | 309 | #elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ |
| MartinJohnson | 0:c65854d98061 | 310 | /* GNU gcc specific functions */ |
| MartinJohnson | 0:c65854d98061 | 311 | |
| MartinJohnson | 0:c65854d98061 | 312 | /** \brief Enable IRQ Interrupts |
| MartinJohnson | 0:c65854d98061 | 313 | |
| MartinJohnson | 0:c65854d98061 | 314 | This function enables IRQ interrupts by clearing the I-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 315 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 316 | */ |
| MartinJohnson | 0:c65854d98061 | 317 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void) |
| MartinJohnson | 0:c65854d98061 | 318 | { |
| MartinJohnson | 0:c65854d98061 | 319 | __ASM volatile ("cpsie i" : : : "memory"); |
| MartinJohnson | 0:c65854d98061 | 320 | } |
| MartinJohnson | 0:c65854d98061 | 321 | |
| MartinJohnson | 0:c65854d98061 | 322 | |
| MartinJohnson | 0:c65854d98061 | 323 | /** \brief Disable IRQ Interrupts |
| MartinJohnson | 0:c65854d98061 | 324 | |
| MartinJohnson | 0:c65854d98061 | 325 | This function disables IRQ interrupts by setting the I-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 326 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 327 | */ |
| MartinJohnson | 0:c65854d98061 | 328 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void) |
| MartinJohnson | 0:c65854d98061 | 329 | { |
| MartinJohnson | 0:c65854d98061 | 330 | __ASM volatile ("cpsid i" : : : "memory"); |
| MartinJohnson | 0:c65854d98061 | 331 | } |
| MartinJohnson | 0:c65854d98061 | 332 | |
| MartinJohnson | 0:c65854d98061 | 333 | |
| MartinJohnson | 0:c65854d98061 | 334 | /** \brief Get Control Register |
| MartinJohnson | 0:c65854d98061 | 335 | |
| MartinJohnson | 0:c65854d98061 | 336 | This function returns the content of the Control Register. |
| MartinJohnson | 0:c65854d98061 | 337 | |
| MartinJohnson | 0:c65854d98061 | 338 | \return Control Register value |
| MartinJohnson | 0:c65854d98061 | 339 | */ |
| MartinJohnson | 0:c65854d98061 | 340 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void) |
| MartinJohnson | 0:c65854d98061 | 341 | { |
| MartinJohnson | 0:c65854d98061 | 342 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 343 | |
| MartinJohnson | 0:c65854d98061 | 344 | __ASM volatile ("MRS %0, control" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 345 | return(result); |
| MartinJohnson | 0:c65854d98061 | 346 | } |
| MartinJohnson | 0:c65854d98061 | 347 | |
| MartinJohnson | 0:c65854d98061 | 348 | |
| MartinJohnson | 0:c65854d98061 | 349 | /** \brief Set Control Register |
| MartinJohnson | 0:c65854d98061 | 350 | |
| MartinJohnson | 0:c65854d98061 | 351 | This function writes the given value to the Control Register. |
| MartinJohnson | 0:c65854d98061 | 352 | |
| MartinJohnson | 0:c65854d98061 | 353 | \param [in] control Control Register value to set |
| MartinJohnson | 0:c65854d98061 | 354 | */ |
| MartinJohnson | 0:c65854d98061 | 355 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control) |
| MartinJohnson | 0:c65854d98061 | 356 | { |
| MartinJohnson | 0:c65854d98061 | 357 | __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); |
| MartinJohnson | 0:c65854d98061 | 358 | } |
| MartinJohnson | 0:c65854d98061 | 359 | |
| MartinJohnson | 0:c65854d98061 | 360 | |
| MartinJohnson | 0:c65854d98061 | 361 | /** \brief Get IPSR Register |
| MartinJohnson | 0:c65854d98061 | 362 | |
| MartinJohnson | 0:c65854d98061 | 363 | This function returns the content of the IPSR Register. |
| MartinJohnson | 0:c65854d98061 | 364 | |
| MartinJohnson | 0:c65854d98061 | 365 | \return IPSR Register value |
| MartinJohnson | 0:c65854d98061 | 366 | */ |
| MartinJohnson | 0:c65854d98061 | 367 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void) |
| MartinJohnson | 0:c65854d98061 | 368 | { |
| MartinJohnson | 0:c65854d98061 | 369 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 370 | |
| MartinJohnson | 0:c65854d98061 | 371 | __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 372 | return(result); |
| MartinJohnson | 0:c65854d98061 | 373 | } |
| MartinJohnson | 0:c65854d98061 | 374 | |
| MartinJohnson | 0:c65854d98061 | 375 | |
| MartinJohnson | 0:c65854d98061 | 376 | /** \brief Get APSR Register |
| MartinJohnson | 0:c65854d98061 | 377 | |
| MartinJohnson | 0:c65854d98061 | 378 | This function returns the content of the APSR Register. |
| MartinJohnson | 0:c65854d98061 | 379 | |
| MartinJohnson | 0:c65854d98061 | 380 | \return APSR Register value |
| MartinJohnson | 0:c65854d98061 | 381 | */ |
| MartinJohnson | 0:c65854d98061 | 382 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void) |
| MartinJohnson | 0:c65854d98061 | 383 | { |
| MartinJohnson | 0:c65854d98061 | 384 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 385 | |
| MartinJohnson | 0:c65854d98061 | 386 | __ASM volatile ("MRS %0, apsr" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 387 | return(result); |
| MartinJohnson | 0:c65854d98061 | 388 | } |
| MartinJohnson | 0:c65854d98061 | 389 | |
| MartinJohnson | 0:c65854d98061 | 390 | |
| MartinJohnson | 0:c65854d98061 | 391 | /** \brief Get xPSR Register |
| MartinJohnson | 0:c65854d98061 | 392 | |
| MartinJohnson | 0:c65854d98061 | 393 | This function returns the content of the xPSR Register. |
| MartinJohnson | 0:c65854d98061 | 394 | |
| MartinJohnson | 0:c65854d98061 | 395 | \return xPSR Register value |
| MartinJohnson | 0:c65854d98061 | 396 | */ |
| MartinJohnson | 0:c65854d98061 | 397 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void) |
| MartinJohnson | 0:c65854d98061 | 398 | { |
| MartinJohnson | 0:c65854d98061 | 399 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 400 | |
| MartinJohnson | 0:c65854d98061 | 401 | __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 402 | return(result); |
| MartinJohnson | 0:c65854d98061 | 403 | } |
| MartinJohnson | 0:c65854d98061 | 404 | |
| MartinJohnson | 0:c65854d98061 | 405 | |
| MartinJohnson | 0:c65854d98061 | 406 | /** \brief Get Process Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 407 | |
| MartinJohnson | 0:c65854d98061 | 408 | This function returns the current value of the Process Stack Pointer (PSP). |
| MartinJohnson | 0:c65854d98061 | 409 | |
| MartinJohnson | 0:c65854d98061 | 410 | \return PSP Register value |
| MartinJohnson | 0:c65854d98061 | 411 | */ |
| MartinJohnson | 0:c65854d98061 | 412 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void) |
| MartinJohnson | 0:c65854d98061 | 413 | { |
| MartinJohnson | 0:c65854d98061 | 414 | register uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 415 | |
| MartinJohnson | 0:c65854d98061 | 416 | __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 417 | return(result); |
| MartinJohnson | 0:c65854d98061 | 418 | } |
| MartinJohnson | 0:c65854d98061 | 419 | |
| MartinJohnson | 0:c65854d98061 | 420 | |
| MartinJohnson | 0:c65854d98061 | 421 | /** \brief Set Process Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 422 | |
| MartinJohnson | 0:c65854d98061 | 423 | This function assigns the given value to the Process Stack Pointer (PSP). |
| MartinJohnson | 0:c65854d98061 | 424 | |
| MartinJohnson | 0:c65854d98061 | 425 | \param [in] topOfProcStack Process Stack Pointer value to set |
| MartinJohnson | 0:c65854d98061 | 426 | */ |
| MartinJohnson | 0:c65854d98061 | 427 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) |
| MartinJohnson | 0:c65854d98061 | 428 | { |
| MartinJohnson | 0:c65854d98061 | 429 | __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp"); |
| MartinJohnson | 0:c65854d98061 | 430 | } |
| MartinJohnson | 0:c65854d98061 | 431 | |
| MartinJohnson | 0:c65854d98061 | 432 | |
| MartinJohnson | 0:c65854d98061 | 433 | /** \brief Get Main Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 434 | |
| MartinJohnson | 0:c65854d98061 | 435 | This function returns the current value of the Main Stack Pointer (MSP). |
| MartinJohnson | 0:c65854d98061 | 436 | |
| MartinJohnson | 0:c65854d98061 | 437 | \return MSP Register value |
| MartinJohnson | 0:c65854d98061 | 438 | */ |
| MartinJohnson | 0:c65854d98061 | 439 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void) |
| MartinJohnson | 0:c65854d98061 | 440 | { |
| MartinJohnson | 0:c65854d98061 | 441 | register uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 442 | |
| MartinJohnson | 0:c65854d98061 | 443 | __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 444 | return(result); |
| MartinJohnson | 0:c65854d98061 | 445 | } |
| MartinJohnson | 0:c65854d98061 | 446 | |
| MartinJohnson | 0:c65854d98061 | 447 | |
| MartinJohnson | 0:c65854d98061 | 448 | /** \brief Set Main Stack Pointer |
| MartinJohnson | 0:c65854d98061 | 449 | |
| MartinJohnson | 0:c65854d98061 | 450 | This function assigns the given value to the Main Stack Pointer (MSP). |
| MartinJohnson | 0:c65854d98061 | 451 | |
| MartinJohnson | 0:c65854d98061 | 452 | \param [in] topOfMainStack Main Stack Pointer value to set |
| MartinJohnson | 0:c65854d98061 | 453 | */ |
| MartinJohnson | 0:c65854d98061 | 454 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack) |
| MartinJohnson | 0:c65854d98061 | 455 | { |
| MartinJohnson | 0:c65854d98061 | 456 | __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp"); |
| MartinJohnson | 0:c65854d98061 | 457 | } |
| MartinJohnson | 0:c65854d98061 | 458 | |
| MartinJohnson | 0:c65854d98061 | 459 | |
| MartinJohnson | 0:c65854d98061 | 460 | /** \brief Get Priority Mask |
| MartinJohnson | 0:c65854d98061 | 461 | |
| MartinJohnson | 0:c65854d98061 | 462 | This function returns the current state of the priority mask bit from the Priority Mask Register. |
| MartinJohnson | 0:c65854d98061 | 463 | |
| MartinJohnson | 0:c65854d98061 | 464 | \return Priority Mask value |
| MartinJohnson | 0:c65854d98061 | 465 | */ |
| MartinJohnson | 0:c65854d98061 | 466 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void) |
| MartinJohnson | 0:c65854d98061 | 467 | { |
| MartinJohnson | 0:c65854d98061 | 468 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 469 | |
| MartinJohnson | 0:c65854d98061 | 470 | __ASM volatile ("MRS %0, primask" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 471 | return(result); |
| MartinJohnson | 0:c65854d98061 | 472 | } |
| MartinJohnson | 0:c65854d98061 | 473 | |
| MartinJohnson | 0:c65854d98061 | 474 | |
| MartinJohnson | 0:c65854d98061 | 475 | /** \brief Set Priority Mask |
| MartinJohnson | 0:c65854d98061 | 476 | |
| MartinJohnson | 0:c65854d98061 | 477 | This function assigns the given value to the Priority Mask Register. |
| MartinJohnson | 0:c65854d98061 | 478 | |
| MartinJohnson | 0:c65854d98061 | 479 | \param [in] priMask Priority Mask |
| MartinJohnson | 0:c65854d98061 | 480 | */ |
| MartinJohnson | 0:c65854d98061 | 481 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask) |
| MartinJohnson | 0:c65854d98061 | 482 | { |
| MartinJohnson | 0:c65854d98061 | 483 | __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); |
| MartinJohnson | 0:c65854d98061 | 484 | } |
| MartinJohnson | 0:c65854d98061 | 485 | |
| MartinJohnson | 0:c65854d98061 | 486 | |
| MartinJohnson | 0:c65854d98061 | 487 | #if (__CORTEX_M >= 0x03) |
| MartinJohnson | 0:c65854d98061 | 488 | |
| MartinJohnson | 0:c65854d98061 | 489 | /** \brief Enable FIQ |
| MartinJohnson | 0:c65854d98061 | 490 | |
| MartinJohnson | 0:c65854d98061 | 491 | This function enables FIQ interrupts by clearing the F-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 492 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 493 | */ |
| MartinJohnson | 0:c65854d98061 | 494 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void) |
| MartinJohnson | 0:c65854d98061 | 495 | { |
| MartinJohnson | 0:c65854d98061 | 496 | __ASM volatile ("cpsie f" : : : "memory"); |
| MartinJohnson | 0:c65854d98061 | 497 | } |
| MartinJohnson | 0:c65854d98061 | 498 | |
| MartinJohnson | 0:c65854d98061 | 499 | |
| MartinJohnson | 0:c65854d98061 | 500 | /** \brief Disable FIQ |
| MartinJohnson | 0:c65854d98061 | 501 | |
| MartinJohnson | 0:c65854d98061 | 502 | This function disables FIQ interrupts by setting the F-bit in the CPSR. |
| MartinJohnson | 0:c65854d98061 | 503 | Can only be executed in Privileged modes. |
| MartinJohnson | 0:c65854d98061 | 504 | */ |
| MartinJohnson | 0:c65854d98061 | 505 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void) |
| MartinJohnson | 0:c65854d98061 | 506 | { |
| MartinJohnson | 0:c65854d98061 | 507 | __ASM volatile ("cpsid f" : : : "memory"); |
| MartinJohnson | 0:c65854d98061 | 508 | } |
| MartinJohnson | 0:c65854d98061 | 509 | |
| MartinJohnson | 0:c65854d98061 | 510 | |
| MartinJohnson | 0:c65854d98061 | 511 | /** \brief Get Base Priority |
| MartinJohnson | 0:c65854d98061 | 512 | |
| MartinJohnson | 0:c65854d98061 | 513 | This function returns the current value of the Base Priority register. |
| MartinJohnson | 0:c65854d98061 | 514 | |
| MartinJohnson | 0:c65854d98061 | 515 | \return Base Priority register value |
| MartinJohnson | 0:c65854d98061 | 516 | */ |
| MartinJohnson | 0:c65854d98061 | 517 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void) |
| MartinJohnson | 0:c65854d98061 | 518 | { |
| MartinJohnson | 0:c65854d98061 | 519 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 520 | |
| MartinJohnson | 0:c65854d98061 | 521 | __ASM volatile ("MRS %0, basepri_max" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 522 | return(result); |
| MartinJohnson | 0:c65854d98061 | 523 | } |
| MartinJohnson | 0:c65854d98061 | 524 | |
| MartinJohnson | 0:c65854d98061 | 525 | |
| MartinJohnson | 0:c65854d98061 | 526 | /** \brief Set Base Priority |
| MartinJohnson | 0:c65854d98061 | 527 | |
| MartinJohnson | 0:c65854d98061 | 528 | This function assigns the given value to the Base Priority register. |
| MartinJohnson | 0:c65854d98061 | 529 | |
| MartinJohnson | 0:c65854d98061 | 530 | \param [in] basePri Base Priority value to set |
| MartinJohnson | 0:c65854d98061 | 531 | */ |
| MartinJohnson | 0:c65854d98061 | 532 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value) |
| MartinJohnson | 0:c65854d98061 | 533 | { |
| MartinJohnson | 0:c65854d98061 | 534 | __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory"); |
| MartinJohnson | 0:c65854d98061 | 535 | } |
| MartinJohnson | 0:c65854d98061 | 536 | |
| MartinJohnson | 0:c65854d98061 | 537 | |
| MartinJohnson | 0:c65854d98061 | 538 | /** \brief Get Fault Mask |
| MartinJohnson | 0:c65854d98061 | 539 | |
| MartinJohnson | 0:c65854d98061 | 540 | This function returns the current value of the Fault Mask register. |
| MartinJohnson | 0:c65854d98061 | 541 | |
| MartinJohnson | 0:c65854d98061 | 542 | \return Fault Mask register value |
| MartinJohnson | 0:c65854d98061 | 543 | */ |
| MartinJohnson | 0:c65854d98061 | 544 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void) |
| MartinJohnson | 0:c65854d98061 | 545 | { |
| MartinJohnson | 0:c65854d98061 | 546 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 547 | |
| MartinJohnson | 0:c65854d98061 | 548 | __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 549 | return(result); |
| MartinJohnson | 0:c65854d98061 | 550 | } |
| MartinJohnson | 0:c65854d98061 | 551 | |
| MartinJohnson | 0:c65854d98061 | 552 | |
| MartinJohnson | 0:c65854d98061 | 553 | /** \brief Set Fault Mask |
| MartinJohnson | 0:c65854d98061 | 554 | |
| MartinJohnson | 0:c65854d98061 | 555 | This function assigns the given value to the Fault Mask register. |
| MartinJohnson | 0:c65854d98061 | 556 | |
| MartinJohnson | 0:c65854d98061 | 557 | \param [in] faultMask Fault Mask value to set |
| MartinJohnson | 0:c65854d98061 | 558 | */ |
| MartinJohnson | 0:c65854d98061 | 559 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask) |
| MartinJohnson | 0:c65854d98061 | 560 | { |
| MartinJohnson | 0:c65854d98061 | 561 | __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); |
| MartinJohnson | 0:c65854d98061 | 562 | } |
| MartinJohnson | 0:c65854d98061 | 563 | |
| MartinJohnson | 0:c65854d98061 | 564 | #endif /* (__CORTEX_M >= 0x03) */ |
| MartinJohnson | 0:c65854d98061 | 565 | |
| MartinJohnson | 0:c65854d98061 | 566 | |
| MartinJohnson | 0:c65854d98061 | 567 | #if (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) |
| MartinJohnson | 0:c65854d98061 | 568 | |
| MartinJohnson | 0:c65854d98061 | 569 | /** \brief Get FPSCR |
| MartinJohnson | 0:c65854d98061 | 570 | |
| MartinJohnson | 0:c65854d98061 | 571 | This function returns the current value of the Floating Point Status/Control register. |
| MartinJohnson | 0:c65854d98061 | 572 | |
| MartinJohnson | 0:c65854d98061 | 573 | \return Floating Point Status/Control register value |
| MartinJohnson | 0:c65854d98061 | 574 | */ |
| MartinJohnson | 0:c65854d98061 | 575 | __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void) |
| MartinJohnson | 0:c65854d98061 | 576 | { |
| MartinJohnson | 0:c65854d98061 | 577 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
| MartinJohnson | 0:c65854d98061 | 578 | uint32_t result; |
| MartinJohnson | 0:c65854d98061 | 579 | |
| MartinJohnson | 0:c65854d98061 | 580 | /* Empty asm statement works as a scheduling barrier */ |
| MartinJohnson | 0:c65854d98061 | 581 | __ASM volatile (""); |
| MartinJohnson | 0:c65854d98061 | 582 | __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); |
| MartinJohnson | 0:c65854d98061 | 583 | __ASM volatile (""); |
| MartinJohnson | 0:c65854d98061 | 584 | return(result); |
| MartinJohnson | 0:c65854d98061 | 585 | #else |
| MartinJohnson | 0:c65854d98061 | 586 | return(0); |
| MartinJohnson | 0:c65854d98061 | 587 | #endif |
| MartinJohnson | 0:c65854d98061 | 588 | } |
| MartinJohnson | 0:c65854d98061 | 589 | |
| MartinJohnson | 0:c65854d98061 | 590 | |
| MartinJohnson | 0:c65854d98061 | 591 | /** \brief Set FPSCR |
| MartinJohnson | 0:c65854d98061 | 592 | |
| MartinJohnson | 0:c65854d98061 | 593 | This function assigns the given value to the Floating Point Status/Control register. |
| MartinJohnson | 0:c65854d98061 | 594 | |
| MartinJohnson | 0:c65854d98061 | 595 | \param [in] fpscr Floating Point Status/Control value to set |
| MartinJohnson | 0:c65854d98061 | 596 | */ |
| MartinJohnson | 0:c65854d98061 | 597 | __attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) |
| MartinJohnson | 0:c65854d98061 | 598 | { |
| MartinJohnson | 0:c65854d98061 | 599 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
| MartinJohnson | 0:c65854d98061 | 600 | /* Empty asm statement works as a scheduling barrier */ |
| MartinJohnson | 0:c65854d98061 | 601 | __ASM volatile (""); |
| MartinJohnson | 0:c65854d98061 | 602 | __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); |
| MartinJohnson | 0:c65854d98061 | 603 | __ASM volatile (""); |
| MartinJohnson | 0:c65854d98061 | 604 | #endif |
| MartinJohnson | 0:c65854d98061 | 605 | } |
| MartinJohnson | 0:c65854d98061 | 606 | |
| MartinJohnson | 0:c65854d98061 | 607 | #endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */ |
| MartinJohnson | 0:c65854d98061 | 608 | |
| MartinJohnson | 0:c65854d98061 | 609 | |
| MartinJohnson | 0:c65854d98061 | 610 | #elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ |
| MartinJohnson | 0:c65854d98061 | 611 | /* IAR iccarm specific functions */ |
| MartinJohnson | 0:c65854d98061 | 612 | #include <cmsis_iar.h> |
| MartinJohnson | 0:c65854d98061 | 613 | |
| MartinJohnson | 0:c65854d98061 | 614 | |
| MartinJohnson | 0:c65854d98061 | 615 | #elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ |
| MartinJohnson | 0:c65854d98061 | 616 | /* TI CCS specific functions */ |
| MartinJohnson | 0:c65854d98061 | 617 | #include <cmsis_ccs.h> |
| MartinJohnson | 0:c65854d98061 | 618 | |
| MartinJohnson | 0:c65854d98061 | 619 | |
| MartinJohnson | 0:c65854d98061 | 620 | #elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ |
| MartinJohnson | 0:c65854d98061 | 621 | /* TASKING carm specific functions */ |
| MartinJohnson | 0:c65854d98061 | 622 | /* |
| MartinJohnson | 0:c65854d98061 | 623 | * The CMSIS functions have been implemented as intrinsics in the compiler. |
| MartinJohnson | 0:c65854d98061 | 624 | * Please use "carm -?i" to get an up to date list of all intrinsics, |
| MartinJohnson | 0:c65854d98061 | 625 | * Including the CMSIS ones. |
| MartinJohnson | 0:c65854d98061 | 626 | */ |
| MartinJohnson | 0:c65854d98061 | 627 | |
| MartinJohnson | 0:c65854d98061 | 628 | |
| MartinJohnson | 0:c65854d98061 | 629 | #elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ |
| MartinJohnson | 0:c65854d98061 | 630 | /* Cosmic specific functions */ |
| MartinJohnson | 0:c65854d98061 | 631 | #include <cmsis_csm.h> |
| MartinJohnson | 0:c65854d98061 | 632 | |
| MartinJohnson | 0:c65854d98061 | 633 | #endif |
| MartinJohnson | 0:c65854d98061 | 634 | |
| MartinJohnson | 0:c65854d98061 | 635 | /*@} end of CMSIS_Core_RegAccFunctions */ |
| MartinJohnson | 0:c65854d98061 | 636 | |
| MartinJohnson | 0:c65854d98061 | 637 | #endif /* __CORE_CMFUNC_H */ |