Microbug / nRF51822

bugfix for duplicate symbol

Fork of nRF51822 by Nordic Semiconductor

nordic-sdk/components/libraries/util/app_util_platform.h@177:7a1917171a20, 2015-05-15 (annotated)

Committer:
finneyj
Date:
Fri May 15 12:12:21 2015 +0000
Revision:
177:7a1917171a20
Parent:
103:138bdc859cc9
Child:
112:737b08b3b995
bug fix - redefined symbol

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 103:138bdc859cc9 1 /* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
rgrover1 103:138bdc859cc9 2 *
rgrover1 103:138bdc859cc9 3 * The information contained herein is property of Nordic Semiconductor ASA.
rgrover1 103:138bdc859cc9 4 * Terms and conditions of usage are described in detail in NORDIC
rgrover1 103:138bdc859cc9 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
rgrover1 103:138bdc859cc9 6 *
rgrover1 103:138bdc859cc9 7 * Licensees are granted free, non-transferable use of the information. NO
rgrover1 103:138bdc859cc9 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
rgrover1 103:138bdc859cc9 9 * the file.
rgrover1 103:138bdc859cc9 10 *
rgrover1 103:138bdc859cc9 11 */
rgrover1 103:138bdc859cc9 12
rgrover1 103:138bdc859cc9 13 /**@file
rgrover1 103:138bdc859cc9 14 *
rgrover1 103:138bdc859cc9 15 * @defgroup app_util_platform Utility Functions and Definitions (Platform)
rgrover1 103:138bdc859cc9 16 * @{
rgrover1 103:138bdc859cc9 17 * @ingroup app_common
rgrover1 103:138bdc859cc9 18 *
rgrover1 103:138bdc859cc9 19 * @brief Various types and definitions available to all applications when using SoftDevice.
rgrover1 103:138bdc859cc9 20 */
rgrover1 103:138bdc859cc9 21
rgrover1 103:138bdc859cc9 22 #ifndef APP_UTIL_PLATFORM_H__
rgrover1 103:138bdc859cc9 23 #define APP_UTIL_PLATFORM_H__
rgrover1 103:138bdc859cc9 24
rgrover1 103:138bdc859cc9 25 #include <stdint.h>
rgrover1 103:138bdc859cc9 26 #include "compiler_abstraction.h"
rgrover1 103:138bdc859cc9 27 #include "nrf51.h"
rgrover1 103:138bdc859cc9 28 #ifdef SOFTDEVICE_PRESENT
rgrover1 103:138bdc859cc9 29 #include "nrf_soc.h"
rgrover1 103:138bdc859cc9 30 #include "app_error.h"
rgrover1 103:138bdc859cc9 31 #endif
rgrover1 103:138bdc859cc9 32 /**@brief The interrupt priorities available to the application while the SoftDevice is active. */
rgrover1 103:138bdc859cc9 33 typedef enum
rgrover1 103:138bdc859cc9 34 {
rgrover1 103:138bdc859cc9 35 APP_IRQ_PRIORITY_HIGH = 1,
rgrover1 103:138bdc859cc9 36 #ifndef SOFTDEVICE_PRESENT
rgrover1 103:138bdc859cc9 37 APP_IRQ_PRIORITY_MID = 2,
rgrover1 103:138bdc859cc9 38 #endif
rgrover1 103:138bdc859cc9 39 APP_IRQ_PRIORITY_LOW = 3
rgrover1 103:138bdc859cc9 40 } app_irq_priority_t;
rgrover1 103:138bdc859cc9 41
rgrover1 103:138bdc859cc9 42 #define NRF_APP_PRIORITY_THREAD 4 /**< "Interrupt level" when running in Thread Mode. */
rgrover1 103:138bdc859cc9 43
rgrover1 103:138bdc859cc9 44 /**@cond NO_DOXYGEN */
rgrover1 103:138bdc859cc9 45 #define EXTERNAL_INT_VECTOR_OFFSET 16
rgrover1 103:138bdc859cc9 46 /**@endcond */
rgrover1 103:138bdc859cc9 47
rgrover1 103:138bdc859cc9 48 #define PACKED(TYPE) __packed TYPE
rgrover1 103:138bdc859cc9 49
rgrover1 103:138bdc859cc9 50 void critical_region_enter (void);
rgrover1 103:138bdc859cc9 51 void critical_region_exit (void);
rgrover1 103:138bdc859cc9 52
rgrover1 103:138bdc859cc9 53 /**@brief Macro for entering a critical region.
rgrover1 103:138bdc859cc9 54 *
rgrover1 103:138bdc859cc9 55 * @note Due to implementation details, there must exist one and only one call to
rgrover1 103:138bdc859cc9 56 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located
rgrover1 103:138bdc859cc9 57 * in the same scope.
rgrover1 103:138bdc859cc9 58 */
rgrover1 103:138bdc859cc9 59 #ifdef SOFTDEVICE_PRESENT
rgrover1 103:138bdc859cc9 60 #define CRITICAL_REGION_ENTER() \
rgrover1 103:138bdc859cc9 61 { \
rgrover1 103:138bdc859cc9 62 uint8_t IS_NESTED_CRITICAL_REGION = 0; \
rgrover1 103:138bdc859cc9 63 uint32_t CURRENT_INT_PRI = current_int_priority_get(); \
rgrover1 103:138bdc859cc9 64 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \
rgrover1 103:138bdc859cc9 65 { \
rgrover1 103:138bdc859cc9 66 uint32_t ERR_CODE = sd_nvic_critical_region_enter(&IS_NESTED_CRITICAL_REGION); \
rgrover1 103:138bdc859cc9 67 if (ERR_CODE == NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \
rgrover1 103:138bdc859cc9 68 { \
rgrover1 103:138bdc859cc9 69 __disable_irq(); \
rgrover1 103:138bdc859cc9 70 } \
rgrover1 103:138bdc859cc9 71 else \
rgrover1 103:138bdc859cc9 72 { \
rgrover1 103:138bdc859cc9 73 APP_ERROR_CHECK(ERR_CODE); \
rgrover1 103:138bdc859cc9 74 } \
rgrover1 103:138bdc859cc9 75 }
rgrover1 103:138bdc859cc9 76 #else
rgrover1 103:138bdc859cc9 77 #define CRITICAL_REGION_ENTER() critical_region_enter()
rgrover1 103:138bdc859cc9 78 #endif
rgrover1 103:138bdc859cc9 79
rgrover1 103:138bdc859cc9 80 /**@brief Macro for leaving a critical region.
rgrover1 103:138bdc859cc9 81 *
rgrover1 103:138bdc859cc9 82 * @note Due to implementation details, there must exist one and only one call to
rgrover1 103:138bdc859cc9 83 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located
rgrover1 103:138bdc859cc9 84 * in the same scope.
rgrover1 103:138bdc859cc9 85 */
rgrover1 103:138bdc859cc9 86 #ifdef SOFTDEVICE_PRESENT
rgrover1 103:138bdc859cc9 87 #define CRITICAL_REGION_EXIT() \
rgrover1 103:138bdc859cc9 88 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \
rgrover1 103:138bdc859cc9 89 { \
rgrover1 103:138bdc859cc9 90 uint32_t ERR_CODE; \
rgrover1 103:138bdc859cc9 91 __enable_irq(); \
rgrover1 103:138bdc859cc9 92 ERR_CODE = sd_nvic_critical_region_exit(IS_NESTED_CRITICAL_REGION); \
rgrover1 103:138bdc859cc9 93 if (ERR_CODE != NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \
rgrover1 103:138bdc859cc9 94 { \
rgrover1 103:138bdc859cc9 95 APP_ERROR_CHECK(ERR_CODE); \
rgrover1 103:138bdc859cc9 96 } \
rgrover1 103:138bdc859cc9 97 } \
rgrover1 103:138bdc859cc9 98 }
rgrover1 103:138bdc859cc9 99 #else
rgrover1 103:138bdc859cc9 100 #define CRITICAL_REGION_EXIT() critical_region_exit()
rgrover1 103:138bdc859cc9 101 #endif
rgrover1 103:138bdc859cc9 102
rgrover1 103:138bdc859cc9 103 /**@brief Function for finding the current interrupt level.
rgrover1 103:138bdc859cc9 104 *
rgrover1 103:138bdc859cc9 105 * @return Current interrupt level.
rgrover1 103:138bdc859cc9 106 * @retval APP_IRQ_PRIORITY_HIGH We are running in Application High interrupt level.
rgrover1 103:138bdc859cc9 107 * @retval APP_IRQ_PRIORITY_LOW We are running in Application Low interrupt level.
rgrover1 103:138bdc859cc9 108 * @retval APP_IRQ_PRIORITY_THREAD We are running in Thread Mode.
rgrover1 103:138bdc859cc9 109 */
rgrover1 103:138bdc859cc9 110 static __INLINE uint8_t current_int_priority_get(void)
rgrover1 103:138bdc859cc9 111 {
rgrover1 103:138bdc859cc9 112 uint32_t isr_vector_num = (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk);
rgrover1 103:138bdc859cc9 113 if (isr_vector_num > 0)
rgrover1 103:138bdc859cc9 114 {
rgrover1 103:138bdc859cc9 115 int32_t irq_type = ((int32_t)isr_vector_num - EXTERNAL_INT_VECTOR_OFFSET);
rgrover1 103:138bdc859cc9 116 return (NVIC_GetPriority((IRQn_Type)irq_type) & 0xFF);
rgrover1 103:138bdc859cc9 117 }
rgrover1 103:138bdc859cc9 118 else
rgrover1 103:138bdc859cc9 119 {
rgrover1 103:138bdc859cc9 120 return NRF_APP_PRIORITY_THREAD;
rgrover1 103:138bdc859cc9 121 }
rgrover1 103:138bdc859cc9 122 }
rgrover1 103:138bdc859cc9 123
rgrover1 103:138bdc859cc9 124 #endif // APP_UTIL_PLATFORM_H__
rgrover1 103:138bdc859cc9 125
rgrover1 103:138bdc859cc9 126 /** @} */