1 /* mbed Microcontroller Library 2 * Copyright (c) 2006-2012 ARM Limited 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 #ifndef MBED_NORFLASHFILESYSTEM_H 23 #define MBED_NORFLASHFILESYSTEM_H 24 25 #include "mbed.h" 26 #include "FATFileSystem.h" 27 #include <stdint.h> 28 29 /** Access the filesystem on an NorFlash Card 30 * 31 * @code 32 * #include "mbed.h" 33 * #include "NorFlashFileSystem.h" 34 * 35 * NorFlashFileSystem nf("nf"); 36 * 37 * int main() { 38 * FILE *fp = fopen("/nf/myfile.txt", "w"); 39 * fprintf(fp, "Hello World!\n"); 40 * fclose(fp); 41 * } 42 */ 43 class NorFlashFileSystem : public FATFileSystem { 44 public: 45 46 /** Create the File System for accessing an NorFlash Card 47 * 48 * @param name The name used to access the virtual filesystem 49 */ 50 NorFlashFileSystem(const char* name); 51 virtual ~NorFlashFileSystem(); 52 virtual int disk_initialize(); 53 virtual int disk_status(); 54 virtual int disk_read(uint8_t* buffer, uint64_t block_number, uint8_t count); 55 virtual int disk_write(const uint8_t* buffer, uint64_t block_number, uint8_t count); 56 virtual int disk_sync(); 57 virtual uint64_t disk_sectors(); 58 59 protected: 60 61 uint64_t _nf_sectors(); 62 uint64_t _sectors; 63 uint32_t _erase_size; 64 65 int _is_initialized; 66 }; 67 68 #endif 69