Wallbot_CaaS
Dependencies: MPU6050 mbed PID
Fork of BLE_MPU6050_test6_challenge_sb by
app_util_platform.h
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 #include "app_error.h " 00029 00030 /**@brief The interrupt priorities available to the application while the SoftDevice is active. */ 00031 typedef enum 00032 { 00033 APP_IRQ_PRIORITY_HIGH = 1, 00034 APP_IRQ_PRIORITY_LOW = 3 00035 } app_irq_priority_t; 00036 00037 #define NRF_APP_PRIORITY_THREAD 4 /**< "Interrupt level" when running in Thread Mode. */ 00038 00039 /**@cond NO_DOXYGEN */ 00040 #define EXTERNAL_INT_VECTOR_OFFSET 16 00041 /**@endcond */ 00042 00043 #define PACKED(TYPE) __packed TYPE 00044 00045 /**@brief Macro for entering a critical region. 00046 * 00047 * @note Due to implementation details, there must exist one and only one call to 00048 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located 00049 * in the same scope. 00050 */ 00051 #define CRITICAL_REGION_ENTER() \ 00052 { \ 00053 uint8_t IS_NESTED_CRITICAL_REGION = 0; \ 00054 uint32_t CURRENT_INT_PRI = current_int_priority_get(); \ 00055 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \ 00056 { \ 00057 uint32_t ERR_CODE = sd_nvic_critical_region_enter(&IS_NESTED_CRITICAL_REGION); \ 00058 if (ERR_CODE == NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \ 00059 { \ 00060 __disable_irq(); \ 00061 } \ 00062 else \ 00063 { \ 00064 APP_ERROR_CHECK(ERR_CODE); \ 00065 } \ 00066 } 00067 00068 /**@brief Macro for leaving a critical region. 00069 * 00070 * @note Due to implementation details, there must exist one and only one call to 00071 * CRITICAL_REGION_EXIT() for each call to CRITICAL_REGION_ENTER(), and they must be located 00072 * in the same scope. 00073 */ 00074 #define CRITICAL_REGION_EXIT() \ 00075 if (CURRENT_INT_PRI != APP_IRQ_PRIORITY_HIGH) \ 00076 { \ 00077 uint32_t ERR_CODE; \ 00078 __enable_irq(); \ 00079 ERR_CODE = sd_nvic_critical_region_exit(IS_NESTED_CRITICAL_REGION); \ 00080 if (ERR_CODE != NRF_ERROR_SOFTDEVICE_NOT_ENABLED) \ 00081 { \ 00082 APP_ERROR_CHECK(ERR_CODE); \ 00083 } \ 00084 } \ 00085 } 00086 00087 /**@brief Function for finding the current interrupt level. 00088 * 00089 * @return Current interrupt level. 00090 * @retval APP_IRQ_PRIORITY_HIGH We are running in Application High interrupt level. 00091 * @retval APP_IRQ_PRIORITY_LOW We are running in Application Low interrupt level. 00092 * @retval APP_IRQ_PRIORITY_THREAD We are running in Thread Mode. 00093 */ 00094 static __INLINE uint8_t current_int_priority_get(void) 00095 { 00096 uint32_t isr_vector_num = (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk); 00097 if (isr_vector_num > 0) 00098 { 00099 int32_t irq_type = ((int32_t)isr_vector_num - EXTERNAL_INT_VECTOR_OFFSET); 00100 return (NVIC_GetPriority((IRQn_Type)irq_type) & 0xFF); 00101 } 00102 else 00103 { 00104 return NRF_APP_PRIORITY_THREAD; 00105 } 00106 } 00107 00108 #endif // APP_UTIL_PLATFORM_H__ 00109 00110 /** @} */
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