bugfix for duplicate symbol
Fork of nRF51822 by
Embed:
(wiki syntax)
Show/hide line numbers
app_util_platform.h
Go to the documentation of this file.
00001 /* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved. 00002 * 00003 * The information contained herein is property of Nordic Semiconductor ASA. 00004 * Terms and conditions of usage are described in detail in NORDIC 00005 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 00006 * 00007 * Licensees are granted free, non-transferable use of the information. NO 00008 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from 00009 * the file. 00010 * 00011 */ 00012 00013 /**@file 00014 * 00015 * @defgroup app_util_platform Utility Functions and Definitions (Platform) 00016 * @{ 00017 * @ingroup app_common 00018 * 00019 * @brief Various types and definitions available to all applications when using SoftDevice. 00020 */ 00021 00022 #ifndef APP_UTIL_PLATFORM_H__ 00023 #define APP_UTIL_PLATFORM_H__ 00024 00025 #include <stdint.h> 00026 #include "compiler_abstraction.h" 00027 #include "nrf51.h" 00028 #ifdef SOFTDEVICE_PRESENT 00029 #include "nrf_soc.h" 00030 #include "app_error.h " 00031 #endif 00032 /**@brief The interrupt priorities available to the application while the SoftDevice is active. */ 00033 typedef enum 00034 { 00035 APP_IRQ_PRIORITY_HIGH = 1, 00036 #ifndef SOFTDEVICE_PRESENT 00037 APP_IRQ_PRIORITY_MID = 2, 00038 #endif 00039 APP_IRQ_PRIORITY_LOW = 3 00040 } app_irq_priority_t; 00041 00042 #define NRF_APP_PRIORITY_THREAD 4 /**< "Interrupt level" when running in Thread Mode. */ 00043 00044 /**@cond NO_DOXYGEN */ 00045 #define EXTERNAL_INT_VECTOR_OFFSET 16 00046 /**@endcond */ 00047 00048 #define PACKED(TYPE) __packed TYPE 00049 00050 void critical_region_enter (void); 00051 void critical_region_exit (void); 00052 00053 /**@brief Macro for entering a critical region. 00054 * 00055 * @note Due to implementation details, there must exist one and only one call to 00056 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located 00057 * in the same scope. 00058 */ 00059 #ifdef SOFTDEVICE_PRESENT 00060 #define CRITICAL_REGION_ENTER() \ 00061 { \ 00062 uint8_t IS_NESTED_CRITICAL_REGION = 0; \ 00063 uint32_t CURRENT_INT_PRI = current_int_priority_get(); \ 00064 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \ 00065 { \ 00066 uint32_t ERR_CODE = sd_nvic_critical_region_enter(&IS_NESTED_CRITICAL_REGION); \ 00067 if (ERR_CODE == NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \ 00068 { \ 00069 __disable_irq(); \ 00070 } \ 00071 else \ 00072 { \ 00073 APP_ERROR_CHECK(ERR_CODE); \ 00074 } \ 00075 } 00076 #else 00077 #define CRITICAL_REGION_ENTER() critical_region_enter() 00078 #endif 00079 00080 /**@brief Macro for leaving a critical region. 00081 * 00082 * @note Due to implementation details, there must exist one and only one call to 00083 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located 00084 * in the same scope. 00085 */ 00086 #ifdef SOFTDEVICE_PRESENT 00087 #define CRITICAL_REGION_EXIT() \ 00088 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \ 00089 { \ 00090 uint32_t ERR_CODE; \ 00091 __enable_irq(); \ 00092 ERR_CODE = sd_nvic_critical_region_exit(IS_NESTED_CRITICAL_REGION); \ 00093 if (ERR_CODE != NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \ 00094 { \ 00095 APP_ERROR_CHECK(ERR_CODE); \ 00096 } \ 00097 } \ 00098 } 00099 #else 00100 #define CRITICAL_REGION_EXIT() critical_region_exit() 00101 #endif 00102 00103 /**@brief Function for finding the current interrupt level. 00104 * 00105 * @return Current interrupt level. 00106 * @retval APP_IRQ_PRIORITY_HIGH We are running in Application High interrupt level. 00107 * @retval APP_IRQ_PRIORITY_LOW We are running in Application Low interrupt level. 00108 * @retval APP_IRQ_PRIORITY_THREAD We are running in Thread Mode. 00109 */ 00110 static __INLINE uint8_t current_int_priority_get(void) 00111 { 00112 uint32_t isr_vector_num = (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk); 00113 if (isr_vector_num > 0) 00114 { 00115 int32_t irq_type = ((int32_t)isr_vector_num - EXTERNAL_INT_VECTOR_OFFSET); 00116 return (NVIC_GetPriority((IRQn_Type )irq_type) & 0xFF); 00117 } 00118 else 00119 { 00120 return NRF_APP_PRIORITY_THREAD; 00121 } 00122 } 00123 00124 #endif // APP_UTIL_PLATFORM_H__ 00125 00126 /** @} */
Generated on Tue Jul 12 2022 16:20:23 by 1.7.2