NRF52832蓝牙芯片通过I2C接口读取mpu9250运动传感器数据软件例程源码.zip

/* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved. * * The information contained herein is property of Nordic Semiconductor ASA. * Terms and conditions of usage are described in detail in NORDIC * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. * * Licensees are granted free, non-transferable use of the information. NO * WARRANTY of ANY KIND is provided. This heading must NOT be removed from * the file. * */ #include "pstorage.h" #include <stdlib.h> #include <stdint.h> #include <string.h> #include "nordic_common.h" #include "nrf_error.h" #include "nrf_assert.h" #include "nrf.h" #include "nrf_soc.h" #include "app_util.h" #include "app_error.h" #define INVALID_OPCODE 0x00 /**< Invalid op code identifier. */ #define SOC_MAX_WRITE_SIZE PSTORAGE_FLASH_PAGE_SIZE /**< Maximum write size allowed for a single call to \ref sd_flash_write as specified in the SoC API. */ #define RAW_MODE_APP_ID (PSTORAGE_NUM_OF_PAGES + 1) /**< Application id for raw mode. */ #if defined(NRF52) #define SD_CMD_MAX_TRIES 1000 /**< Number of times to try a softdevice flash operatoion, specific for nRF52 to account for longest time of flash page erase*/ #else #define SD_CMD_MAX_TRIES 3 /**< Number of times to try a softdevice flash operation when the @ref NRF_EVT_FLASH_OPERATION_ERROR sys_evt is received. */ #endif /* defined(NRF52) */ #define MASK_TAIL_SWAP_DONE (1 << 0) /**< Flag for checking if the tail restore area has been written to swap page. */ #define MASK_SINGLE_PAGE_OPERATION (1 << 1) /**< Flag for checking if command is a single flash page operation. */ #define MASK_MODULE_INITIALIZED (1 << 2) /**< Flag for checking if the module has been initialized. */ #define MASK_FLASH_API_ERR_BUSY (1 << 3) /**< Flag for checking if flash API returned NRF_ERROR_BUSY. */ /** * @defgroup api_param_check API Parameters check macros. * * @details Macros that verify parameters passed to the module in the APIs. These macros * could be mapped to nothing in final code versions to save execution and size. * * @{ */ /**@brief Check if the input pointer is NULL, if so it returns NRF_ERROR_NULL. */ #define NULL_PARAM_CHECK(PARAM) \ if ((PARAM) == NULL) \ { \ return NRF_ERROR_NULL; \ } /**@brief Verifies that the module identifier supplied by the application is within permissible * range. */ #define MODULE_ID_RANGE_CHECK(ID) \ if ((((ID)->module_id) >= PSTORAGE_NUM_OF_PAGES) || \ (m_app_table[(ID)->module_id].cb == NULL)) \ { \ return NRF_ERROR_INVALID_PARAM; \ } /**@brief Verifies that the block identifier supplied by the application is within the permissible * range. */ #define BLOCK_ID_RANGE_CHECK(ID) \ if (((ID)->block_id) >= (m_app_table[(ID)->module_id].base_id + \ (m_app_table[(ID)->module_id].block_count * MODULE_BLOCK_SIZE(ID)))) \ { \ return NRF_ERROR_INVALID_PARAM; \ } /**@brief Verifies that the block size requested by the application can be supported by the module. */ #define BLOCK_SIZE_CHECK(X) \ if (((X) > PSTORAGE_MAX_BLOCK_SIZE) || ((X) < PSTORAGE_MIN_BLOCK_SIZE)) \ { \ return NRF_ERROR_INVALID_PARAM; \ } /**@brief Verifies the block size requested by the application in registration API. */ #define BLOCK_COUNT_CHECK(COUNT, SIZE) \ if (((COUNT) == 0) || \ ((m_next_page_addr + ((COUNT) *(SIZE)) > PSTORAGE_SWAP_ADDR))) \ { \ return NRF_ERROR_INVALID_PARAM; \ } /**@brief Verifies the size parameter provided by the application in API. */ #define SIZE_CHECK(ID, SIZE) \ if(((SIZE) == 0) || ((SIZE) > MODULE_BLOCK_SIZE(ID))) \ { \ return NRF_ERROR_INVALID_PARAM; \ } /**@brief Verifies the offset parameter provided by the application in API. */ #define OFFSET_CHECK(ID, OFFSET, SIZE) \ if(((SIZE) + (OFFSET)) > MODULE_BLOCK_SIZE(ID)) \ { \ return NRF_ERROR_INVALID_PARAM; \ } #ifdef PSTORAGE_RAW_MODE_ENABLE /**@brief Verifies the module identifier supplied by the application. */ #define MODULE_RAW_HANDLE_CHECK(ID) \ if ((((ID)->module_id) != RAW_MODE_APP_ID)) \ { \ return NRF_ERROR_INVALID_PARAM; \ } #endif // PSTORAGE_RAW_MODE_ENABLE /**@} */ /**@brief Verify module's initialization status. * * @details Verify module's initialization status. Returns NRF_ERROR_INVALID_STATE when a * module API is called without initializing the module. */ #define VERIFY_MODULE_INITIALIZED() \ do \ { \ if (!(m_flags & MASK_MODULE_INITIALIZED)) \ { \ return NRF_ERROR_INVALID_STATE; \ } \ } while(0) /**@brief Macro to fetch the block size registered for the module. */ #define MODULE_BLOCK_SIZE(ID) (m_app_table[(ID)->module_id].block_size) /**@brief Main