The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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TARGET_UBLOX_EVK_NINA_B1/TARGET_NORDIC/TARGET_NRF5/TARGET_SDK11/libraries/util/app_util_platform.h@143:86740a56073b, 2017-05-26 (annotated)
- Committer:
- AnnaBridge
- Date:
- Fri May 26 12:30:20 2017 +0100
- Revision:
- 143:86740a56073b
Release 143 of the mbed library.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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AnnaBridge | 143:86740a56073b | 1 | /* |
AnnaBridge | 143:86740a56073b | 2 | * Copyright (c) 2014 Nordic Semiconductor ASA |
AnnaBridge | 143:86740a56073b | 3 | * All rights reserved. |
AnnaBridge | 143:86740a56073b | 4 | * |
AnnaBridge | 143:86740a56073b | 5 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 143:86740a56073b | 6 | * are permitted provided that the following conditions are met: |
AnnaBridge | 143:86740a56073b | 7 | * |
AnnaBridge | 143:86740a56073b | 8 | * 1. Redistributions of source code must retain the above copyright notice, this list |
AnnaBridge | 143:86740a56073b | 9 | * of conditions and the following disclaimer. |
AnnaBridge | 143:86740a56073b | 10 | * |
AnnaBridge | 143:86740a56073b | 11 | * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA |
AnnaBridge | 143:86740a56073b | 12 | * integrated circuit in a product or a software update for such product, must reproduce |
AnnaBridge | 143:86740a56073b | 13 | * the above copyright notice, this list of conditions and the following disclaimer in |
AnnaBridge | 143:86740a56073b | 14 | * the documentation and/or other materials provided with the distribution. |
AnnaBridge | 143:86740a56073b | 15 | * |
AnnaBridge | 143:86740a56073b | 16 | * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be |
AnnaBridge | 143:86740a56073b | 17 | * used to endorse or promote products derived from this software without specific prior |
AnnaBridge | 143:86740a56073b | 18 | * written permission. |
AnnaBridge | 143:86740a56073b | 19 | * |
AnnaBridge | 143:86740a56073b | 20 | * 4. This software, with or without modification, must only be used with a |
AnnaBridge | 143:86740a56073b | 21 | * Nordic Semiconductor ASA integrated circuit. |
AnnaBridge | 143:86740a56073b | 22 | * |
AnnaBridge | 143:86740a56073b | 23 | * 5. Any software provided in binary or object form under this license must not be reverse |
AnnaBridge | 143:86740a56073b | 24 | * engineered, decompiled, modified and/or disassembled. |
AnnaBridge | 143:86740a56073b | 25 | * |
AnnaBridge | 143:86740a56073b | 26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
AnnaBridge | 143:86740a56073b | 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
AnnaBridge | 143:86740a56073b | 28 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 143:86740a56073b | 29 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
AnnaBridge | 143:86740a56073b | 30 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
AnnaBridge | 143:86740a56073b | 31 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
AnnaBridge | 143:86740a56073b | 32 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
AnnaBridge | 143:86740a56073b | 33 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
AnnaBridge | 143:86740a56073b | 34 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
AnnaBridge | 143:86740a56073b | 35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 143:86740a56073b | 36 | * |
AnnaBridge | 143:86740a56073b | 37 | */ |
AnnaBridge | 143:86740a56073b | 38 | |
AnnaBridge | 143:86740a56073b | 39 | |
AnnaBridge | 143:86740a56073b | 40 | /**@file |
AnnaBridge | 143:86740a56073b | 41 | * |
AnnaBridge | 143:86740a56073b | 42 | * @defgroup app_util_platform Utility Functions and Definitions (Platform) |
AnnaBridge | 143:86740a56073b | 43 | * @{ |
AnnaBridge | 143:86740a56073b | 44 | * @ingroup app_common |
AnnaBridge | 143:86740a56073b | 45 | * |
AnnaBridge | 143:86740a56073b | 46 | * @brief Various types and definitions available to all applications when using SoftDevice. |
AnnaBridge | 143:86740a56073b | 47 | */ |
AnnaBridge | 143:86740a56073b | 48 | |
AnnaBridge | 143:86740a56073b | 49 | #ifndef APP_UTIL_PLATFORM_H__ |
AnnaBridge | 143:86740a56073b | 50 | #define APP_UTIL_PLATFORM_H__ |
AnnaBridge | 143:86740a56073b | 51 | |
AnnaBridge | 143:86740a56073b | 52 | #include <stdint.h> |
AnnaBridge | 143:86740a56073b | 53 | #include "compiler_abstraction.h" |
AnnaBridge | 143:86740a56073b | 54 | #include "nrf.h" |
AnnaBridge | 143:86740a56073b | 55 | #ifdef SOFTDEVICE_PRESENT |
AnnaBridge | 143:86740a56073b | 56 | #include "nrf_soc.h" |
AnnaBridge | 143:86740a56073b | 57 | #include "nrf_nvic.h" |
AnnaBridge | 143:86740a56073b | 58 | #endif |
AnnaBridge | 143:86740a56073b | 59 | #include "nrf_assert.h" |
AnnaBridge | 143:86740a56073b | 60 | #include "app_error.h" |
AnnaBridge | 143:86740a56073b | 61 | |
AnnaBridge | 143:86740a56073b | 62 | #if defined(NRF51) |
AnnaBridge | 143:86740a56073b | 63 | #define _PRIO_SD_HIGH 0 |
AnnaBridge | 143:86740a56073b | 64 | #define _PRIO_APP_HIGH 1 |
AnnaBridge | 143:86740a56073b | 65 | #define _PRIO_APP_MID 1 |
AnnaBridge | 143:86740a56073b | 66 | #define _PRIO_SD_LOW 2 |
AnnaBridge | 143:86740a56073b | 67 | #define _PRIO_APP_LOW 3 |
AnnaBridge | 143:86740a56073b | 68 | #define _PRIO_APP_LOWEST 3 |
AnnaBridge | 143:86740a56073b | 69 | #define _PRIO_THREAD 4 |
AnnaBridge | 143:86740a56073b | 70 | #elif defined(NRF52) |
AnnaBridge | 143:86740a56073b | 71 | #define _PRIO_SD_HIGH 0 |
AnnaBridge | 143:86740a56073b | 72 | #define _PRIO_SD_MID 1 |
AnnaBridge | 143:86740a56073b | 73 | #define _PRIO_APP_HIGH 2 |
AnnaBridge | 143:86740a56073b | 74 | #define _PRIO_APP_MID 3 |
AnnaBridge | 143:86740a56073b | 75 | #define _PRIO_SD_LOW 4 |
AnnaBridge | 143:86740a56073b | 76 | #define _PRIO_SD_LOWEST 5 |
AnnaBridge | 143:86740a56073b | 77 | #define _PRIO_APP_LOW 6 |
AnnaBridge | 143:86740a56073b | 78 | #define _PRIO_APP_LOWEST 7 |
AnnaBridge | 143:86740a56073b | 79 | #define _PRIO_THREAD 15 |
AnnaBridge | 143:86740a56073b | 80 | #else |
AnnaBridge | 143:86740a56073b | 81 | #error "No platform defined" |
AnnaBridge | 143:86740a56073b | 82 | #endif |
AnnaBridge | 143:86740a56073b | 83 | |
AnnaBridge | 143:86740a56073b | 84 | /**@brief The interrupt priorities available to the application while the SoftDevice is active. */ |
AnnaBridge | 143:86740a56073b | 85 | typedef enum |
AnnaBridge | 143:86740a56073b | 86 | { |
AnnaBridge | 143:86740a56073b | 87 | #ifdef SOFTDEVICE_PRESENT |
AnnaBridge | 143:86740a56073b | 88 | APP_IRQ_PRIORITY_HIGHEST = _PRIO_SD_HIGH, |
AnnaBridge | 143:86740a56073b | 89 | #else |
AnnaBridge | 143:86740a56073b | 90 | APP_IRQ_PRIORITY_HIGHEST = _PRIO_APP_HIGH, |
AnnaBridge | 143:86740a56073b | 91 | #endif |
AnnaBridge | 143:86740a56073b | 92 | APP_IRQ_PRIORITY_HIGH = _PRIO_APP_HIGH, |
AnnaBridge | 143:86740a56073b | 93 | #ifndef SOFTDEVICE_PRESENT |
AnnaBridge | 143:86740a56073b | 94 | APP_IRQ_PRIORITY_MID = _PRIO_SD_LOW, |
AnnaBridge | 143:86740a56073b | 95 | #else |
AnnaBridge | 143:86740a56073b | 96 | APP_IRQ_PRIORITY_MID = _PRIO_APP_MID, |
AnnaBridge | 143:86740a56073b | 97 | #endif |
AnnaBridge | 143:86740a56073b | 98 | APP_IRQ_PRIORITY_LOW = _PRIO_APP_LOW, |
AnnaBridge | 143:86740a56073b | 99 | APP_IRQ_PRIORITY_LOWEST = _PRIO_APP_LOWEST, |
AnnaBridge | 143:86740a56073b | 100 | APP_IRQ_PRIORITY_THREAD = _PRIO_THREAD /**< "Interrupt level" when running in Thread Mode. */ |
AnnaBridge | 143:86740a56073b | 101 | } app_irq_priority_t; |
AnnaBridge | 143:86740a56073b | 102 | |
AnnaBridge | 143:86740a56073b | 103 | /*@brief The privilege levels available to applications in Thread Mode */ |
AnnaBridge | 143:86740a56073b | 104 | typedef enum |
AnnaBridge | 143:86740a56073b | 105 | { |
AnnaBridge | 143:86740a56073b | 106 | APP_LEVEL_UNPRIVILEGED, |
AnnaBridge | 143:86740a56073b | 107 | APP_LEVEL_PRIVILEGED |
AnnaBridge | 143:86740a56073b | 108 | } app_level_t; |
AnnaBridge | 143:86740a56073b | 109 | |
AnnaBridge | 143:86740a56073b | 110 | /**@cond NO_DOXYGEN */ |
AnnaBridge | 143:86740a56073b | 111 | #define EXTERNAL_INT_VECTOR_OFFSET 16 |
AnnaBridge | 143:86740a56073b | 112 | /**@endcond */ |
AnnaBridge | 143:86740a56073b | 113 | |
AnnaBridge | 143:86740a56073b | 114 | void app_util_critical_region_enter (uint8_t *p_nested); |
AnnaBridge | 143:86740a56073b | 115 | void app_util_critical_region_exit (uint8_t nested); |
AnnaBridge | 143:86740a56073b | 116 | |
AnnaBridge | 143:86740a56073b | 117 | /**@brief Macro for entering a critical region. |
AnnaBridge | 143:86740a56073b | 118 | * |
AnnaBridge | 143:86740a56073b | 119 | * @note Due to implementation details, there must exist one and only one call to |
AnnaBridge | 143:86740a56073b | 120 | * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located |
AnnaBridge | 143:86740a56073b | 121 | * in the same scope. |
AnnaBridge | 143:86740a56073b | 122 | */ |
AnnaBridge | 143:86740a56073b | 123 | #ifdef SOFTDEVICE_PRESENT |
AnnaBridge | 143:86740a56073b | 124 | #define CRITICAL_REGION_ENTER() \ |
AnnaBridge | 143:86740a56073b | 125 | { \ |
AnnaBridge | 143:86740a56073b | 126 | uint8_t __CR_NESTED = 0; \ |
AnnaBridge | 143:86740a56073b | 127 | app_util_critical_region_enter(&__CR_NESTED); |
AnnaBridge | 143:86740a56073b | 128 | #else |
AnnaBridge | 143:86740a56073b | 129 | #define CRITICAL_REGION_ENTER() app_util_critical_region_enter(NULL) |
AnnaBridge | 143:86740a56073b | 130 | #endif |
AnnaBridge | 143:86740a56073b | 131 | |
AnnaBridge | 143:86740a56073b | 132 | /**@brief Macro for leaving a critical region. |
AnnaBridge | 143:86740a56073b | 133 | * |
AnnaBridge | 143:86740a56073b | 134 | * @note Due to implementation details, there must exist one and only one call to |
AnnaBridge | 143:86740a56073b | 135 | * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located |
AnnaBridge | 143:86740a56073b | 136 | * in the same scope. |
AnnaBridge | 143:86740a56073b | 137 | */ |
AnnaBridge | 143:86740a56073b | 138 | #ifdef SOFTDEVICE_PRESENT |
AnnaBridge | 143:86740a56073b | 139 | #define CRITICAL_REGION_EXIT() \ |
AnnaBridge | 143:86740a56073b | 140 | app_util_critical_region_exit(__CR_NESTED); \ |
AnnaBridge | 143:86740a56073b | 141 | } |
AnnaBridge | 143:86740a56073b | 142 | #else |
AnnaBridge | 143:86740a56073b | 143 | #define CRITICAL_REGION_EXIT() app_util_critical_region_exit(0) |
AnnaBridge | 143:86740a56073b | 144 | #endif |
AnnaBridge | 143:86740a56073b | 145 | |
AnnaBridge | 143:86740a56073b | 146 | /* Workaround for Keil 4 */ |
AnnaBridge | 143:86740a56073b | 147 | #ifndef IPSR_ISR_Msk |
AnnaBridge | 143:86740a56073b | 148 | #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ |
AnnaBridge | 143:86740a56073b | 149 | #endif |
AnnaBridge | 143:86740a56073b | 150 | |
AnnaBridge | 143:86740a56073b | 151 | |
AnnaBridge | 143:86740a56073b | 152 | |
AnnaBridge | 143:86740a56073b | 153 | /**@brief Macro to enable anonymous unions from a certain point in the code. |
AnnaBridge | 143:86740a56073b | 154 | */ |
AnnaBridge | 143:86740a56073b | 155 | #if defined(__CC_ARM) |
AnnaBridge | 143:86740a56073b | 156 | #define ANON_UNIONS_ENABLE _Pragma("push") \ |
AnnaBridge | 143:86740a56073b | 157 | _Pragma("anon_unions") |
AnnaBridge | 143:86740a56073b | 158 | #elif defined(__ICCARM__) |
AnnaBridge | 143:86740a56073b | 159 | #define ANON_UNIONS_ENABLE _Pragma("language=extended") |
AnnaBridge | 143:86740a56073b | 160 | #else |
AnnaBridge | 143:86740a56073b | 161 | #define ANON_UNIONS_ENABLE |
AnnaBridge | 143:86740a56073b | 162 | // No action will be taken. |
AnnaBridge | 143:86740a56073b | 163 | // For GCC anonymous unions are enabled by default. |
AnnaBridge | 143:86740a56073b | 164 | #endif |
AnnaBridge | 143:86740a56073b | 165 | |
AnnaBridge | 143:86740a56073b | 166 | /**@brief Macro to disable anonymous unions from a certain point in the code. |
AnnaBridge | 143:86740a56073b | 167 | * @note Call only after first calling @ref ANON_UNIONS_ENABLE. |
AnnaBridge | 143:86740a56073b | 168 | */ |
AnnaBridge | 143:86740a56073b | 169 | #if defined(__CC_ARM) |
AnnaBridge | 143:86740a56073b | 170 | #define ANON_UNIONS_DISABLE _Pragma("pop") |
AnnaBridge | 143:86740a56073b | 171 | #elif defined(__ICCARM__) |
AnnaBridge | 143:86740a56073b | 172 | #define ANON_UNIONS_DISABLE |
AnnaBridge | 143:86740a56073b | 173 | // for IAR leave anonymous unions enabled |
AnnaBridge | 143:86740a56073b | 174 | #else |
AnnaBridge | 143:86740a56073b | 175 | #define ANON_UNIONS_DISABLE |
AnnaBridge | 143:86740a56073b | 176 | // No action will be taken. |
AnnaBridge | 143:86740a56073b | 177 | // For GCC anonymous unions are enabled by default. |
AnnaBridge | 143:86740a56073b | 178 | #endif |
AnnaBridge | 143:86740a56073b | 179 | |
AnnaBridge | 143:86740a56073b | 180 | |
AnnaBridge | 143:86740a56073b | 181 | /* Workaround for Keil 4 */ |
AnnaBridge | 143:86740a56073b | 182 | #ifndef CONTROL_nPRIV_Msk |
AnnaBridge | 143:86740a56073b | 183 | #define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */ |
AnnaBridge | 143:86740a56073b | 184 | #endif |
AnnaBridge | 143:86740a56073b | 185 | |
AnnaBridge | 143:86740a56073b | 186 | /**@brief Function for finding the current interrupt level. |
AnnaBridge | 143:86740a56073b | 187 | * |
AnnaBridge | 143:86740a56073b | 188 | * @return Current interrupt level. |
AnnaBridge | 143:86740a56073b | 189 | * @retval APP_IRQ_PRIORITY_HIGH We are running in Application High interrupt level. |
AnnaBridge | 143:86740a56073b | 190 | * @retval APP_IRQ_PRIORITY_LOW We are running in Application Low interrupt level. |
AnnaBridge | 143:86740a56073b | 191 | * @retval APP_IRQ_PRIORITY_THREAD We are running in Thread Mode. |
AnnaBridge | 143:86740a56073b | 192 | */ |
AnnaBridge | 143:86740a56073b | 193 | static __INLINE uint8_t current_int_priority_get(void) |
AnnaBridge | 143:86740a56073b | 194 | { |
AnnaBridge | 143:86740a56073b | 195 | uint32_t isr_vector_num = __get_IPSR() & IPSR_ISR_Msk ; |
AnnaBridge | 143:86740a56073b | 196 | if (isr_vector_num > 0) |
AnnaBridge | 143:86740a56073b | 197 | { |
AnnaBridge | 143:86740a56073b | 198 | int32_t irq_type = ((int32_t)isr_vector_num - EXTERNAL_INT_VECTOR_OFFSET); |
AnnaBridge | 143:86740a56073b | 199 | return (NVIC_GetPriority((IRQn_Type)irq_type) & 0xFF); |
AnnaBridge | 143:86740a56073b | 200 | } |
AnnaBridge | 143:86740a56073b | 201 | else |
AnnaBridge | 143:86740a56073b | 202 | { |
AnnaBridge | 143:86740a56073b | 203 | return APP_IRQ_PRIORITY_THREAD; |
AnnaBridge | 143:86740a56073b | 204 | } |
AnnaBridge | 143:86740a56073b | 205 | } |
AnnaBridge | 143:86740a56073b | 206 | |
AnnaBridge | 143:86740a56073b | 207 | /**@brief Function for finding out the current privilege level. |
AnnaBridge | 143:86740a56073b | 208 | * |
AnnaBridge | 143:86740a56073b | 209 | * @return Current privilege level. |
AnnaBridge | 143:86740a56073b | 210 | * @retval APP_LEVEL_UNPRIVILEGED We are running in unprivileged level. |
AnnaBridge | 143:86740a56073b | 211 | * @retval APP_LEVEL_PRIVILEGED We are running in privileged level. |
AnnaBridge | 143:86740a56073b | 212 | */ |
AnnaBridge | 143:86740a56073b | 213 | static __INLINE uint8_t privilege_level_get(void) |
AnnaBridge | 143:86740a56073b | 214 | { |
AnnaBridge | 143:86740a56073b | 215 | #if defined(NRF51) |
AnnaBridge | 143:86740a56073b | 216 | /* the Cortex-M0 has no concept of privilege */ |
AnnaBridge | 143:86740a56073b | 217 | return APP_LEVEL_PRIVILEGED; |
AnnaBridge | 143:86740a56073b | 218 | #elif defined(NRF52) |
AnnaBridge | 143:86740a56073b | 219 | uint32_t isr_vector_num = __get_IPSR() & IPSR_ISR_Msk ; |
AnnaBridge | 143:86740a56073b | 220 | if (0 == isr_vector_num) |
AnnaBridge | 143:86740a56073b | 221 | { |
AnnaBridge | 143:86740a56073b | 222 | /* Thread Mode, check nPRIV */ |
AnnaBridge | 143:86740a56073b | 223 | int32_t control = __get_CONTROL(); |
AnnaBridge | 143:86740a56073b | 224 | return control & CONTROL_nPRIV_Msk ? APP_LEVEL_UNPRIVILEGED : APP_LEVEL_PRIVILEGED; |
AnnaBridge | 143:86740a56073b | 225 | } |
AnnaBridge | 143:86740a56073b | 226 | else |
AnnaBridge | 143:86740a56073b | 227 | { |
AnnaBridge | 143:86740a56073b | 228 | /* Handler Mode, always privileged */ |
AnnaBridge | 143:86740a56073b | 229 | return APP_LEVEL_PRIVILEGED; |
AnnaBridge | 143:86740a56073b | 230 | } |
AnnaBridge | 143:86740a56073b | 231 | #endif |
AnnaBridge | 143:86740a56073b | 232 | } |
AnnaBridge | 143:86740a56073b | 233 | |
AnnaBridge | 143:86740a56073b | 234 | #endif // APP_UTIL_PLATFORM_H__ |
AnnaBridge | 143:86740a56073b | 235 | |
AnnaBridge | 143:86740a56073b | 236 | /** @} */ |