The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
TARGET_TY51822R3/TOOLCHAIN_ARM_STD/fstorage_internal_defs.h
- Committer:
- AnnaBridge
- Date:
- 2019-02-20
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
File content as of revision 172:65be27845400:
/* * Copyright (c) 2015 Nordic Semiconductor ASA * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA * integrated circuit in a product or a software update for such product, must reproduce * the above copyright notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be * used to endorse or promote products derived from this software without specific prior * written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary or object form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef FSTORAGE_INTERNAL_DEFS_H__ #define FSTORAGE_INTERNAL_DEFS_H__ #include "nrf.h" #define FS_FLAG_INITIALIZED (1 << 0) // The module has been initialized. #define FS_FLAG_PROCESSING (1 << 1) // The module is processing flash operations. // The module is waiting for a flash operation initiated by another module to complete. #define FS_FLAG_FLASH_REQ_PENDING (1 << 2) #define FS_ERASED_WORD (0xFFFFFFFF) // Helper macros for section variables. #define FS_SECTION_VARS_GET(i) NRF_SECTION_VARS_GET((i), fs_config_t, fs_data) #define FS_SECTION_VARS_COUNT NRF_SECTION_VARS_COUNT(fs_config_t, fs_data) #define FS_SECTION_VARS_START_ADDR NRF_SECTION_VARS_START_ADDR(fs_data) #define FS_SECTION_VARS_END_ADDR NRF_SECTION_VARS_END_ADDR(fs_data) // Register the section 'fs_data'. //lint -save -e19 NRF_SECTION_VARS_REGISTER_SECTION(fs_data); //lint -restore // Declare symbols into the 'fs_data' section. NRF_SECTION_VARS_REGISTER_SYMBOLS(fs_config_t, fs_data); //lint -esym(526,fs_dataBase) //lint -esym(526,fs_dataLimit) // fstorage op-codes. typedef enum { FS_OP_NONE, // No operation. FS_OP_STORE, // Store data. FS_OP_ERASE // Erase one or more flash pages. } fs_op_code_t; #if defined(__CC_ARM) #pragma push #pragma anon_unions #elif defined(__ICCARM__) #pragma language=extended #elif defined(__GNUC__) // anonymous unions are enabled by default. #endif // fstorage operation. // Encapsulates details of a flash operation to be executed by this module. typedef struct { fs_config_t const * p_config; // Application-specific fstorage configuration. fs_op_code_t op_code; // ID of the operation. union { struct { uint32_t const * p_src; // Pointer to the data to be written to flash. uint32_t const * p_dest; // Destination of the data in flash. uint16_t length_words; // Length of the data to be written, in words. uint16_t offset; // Write offset. } store; struct { uint16_t page; uint16_t pages_erased; uint16_t pages_to_erase; } erase; }; } fs_op_t; #if defined(__CC_ARM) #pragma pop #elif defined(__ICCARM__) // leave anonymous unions enabled. #elif defined(__GNUC__) // anonymous unions are enabled by default. #endif // Queue of requested operations. // This queue holds flash operations requested to the module. // The data to be written to flash must be kept in memory until the write operation // is completed, i.e., an event indicating completion is received. typedef struct { fs_op_t op[FS_QUEUE_SIZE]; // Queue elements. uint32_t rp; // Index of the operation being processed. uint32_t count; // Number of elements in the queue. } fs_op_queue_t; // Size of a flash page in bytes. #if defined (NRF51) #define FS_PAGE_SIZE (1024) #elif defined (NRF52) #define FS_PAGE_SIZE (4096) #endif // Size of a flash page in words. #define FS_PAGE_SIZE_WORDS (FS_PAGE_SIZE / sizeof(uint32_t)) // Function to obtain the end of the flash space available to fstorage. static uint32_t const * fs_flash_page_end_addr() { uint32_t const bootloader_addr = NRF_UICR->NRFFW[0]; return (uint32_t*)((bootloader_addr != FS_ERASED_WORD) ? bootloader_addr : NRF_FICR->CODESIZE * FS_PAGE_SIZE); } // Macro to obtain the address of the last page. // If there is a bootloader present the bootloader address read from UICR // will act as the page beyond the end of the available flash storage. #define FS_PAGE_END_ADDR (fs_flash_page_end_addr()) #endif //__FSTORAGE_INTERNAL_DEFS_H