Contiki 2.6
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00001 /* 00002 * Copyright (c) 2010, STMicroelectronics. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 */ 00032 00033 /** 00034 * \file 00035 * Coffee architecture-dependent header for the STM32W108-based mb851 00036 * platform. 00037 * STM32W108 has 128KB of program flash. 00038 * \author 00039 * Salvatore Pitrulli <salvopitru@users.sourceforge.net> 00040 */ 00041 00042 #ifndef CFS_COFFEE_ARCH_H 00043 #define CFS_COFFEE_ARCH_H 00044 00045 #include "contiki-conf.h" 00046 00047 #include "hal/error.h" 00048 #include "hal/micro/cortexm3/flash.h" 00049 00050 /* STM32W108 has 128 pages of 1024 bytes each = 128KB 00051 * The smallest erasable unit is one page and the smallest writable 00052 * unit is an aligned 16-bit half-word. 00053 */ 00054 00055 /* Byte page size, starting address on page boundary, and size of the file system */ 00056 #define FLASH_START 0x8000000 00057 /* Minimum erasable unit. */ 00058 #define FLASH_PAGE_SIZE 1024 00059 /* Last 3 pages reserved for NVM. */ 00060 #define FLASH_PAGES 125 00061 00062 00063 /* Minimum reservation unit for Coffee. It can be changed by the user. */ 00064 #define COFFEE_PAGE_SIZE (FLASH_PAGE_SIZE/4) 00065 00066 00067 /* If using IAR, COFFEE_ADDRESS reflects the static value in the linker script 00068 iar-cfg-coffee.icf, so it can't be passed as a parameter for Make.*/ 00069 #ifdef __ICCARM__ 00070 #define COFFEE_ADDRESS 0x8010c00 00071 #endif 00072 #if (COFFEE_ADDRESS & 0x3FF) !=0 00073 #error "COFFEE_ADDRESS not aligned to a 1024-bytes page boundary." 00074 #endif 00075 #define COFFEE_PAGES ((FLASH_PAGES*FLASH_PAGE_SIZE-(COFFEE_ADDRESS-FLASH_START))/COFFEE_PAGE_SIZE) 00076 #define COFFEE_START (COFFEE_ADDRESS & ~(COFFEE_PAGE_SIZE-1)) 00077 #define COFFEE_SIZE (COFFEE_PAGES*COFFEE_PAGE_SIZE) 00078 00079 /* These must agree with the parameters passed to makefsdata */ 00080 #define COFFEE_SECTOR_SIZE FLASH_PAGE_SIZE 00081 #define COFFEE_NAME_LENGTH 20 00082 00083 ///* These are used internally by the AVR flash read routines */ 00084 ///* Word reads are faster but take 130 bytes more PROGMEM */ 00085 //#define FLASH_WORD_READS 1 00086 ///* 1=Slower reads, but no page writes after erase and 18 bytes less PROGMEM. Best for dynamic file system */ 00087 //#define FLASH_COMPLEMENT_DATA 0 00088 00089 /* These are used internally by the coffee file system */ 00090 /* Micro logs are not needed for single page sectors */ 00091 #define COFFEE_MAX_OPEN_FILES 4 00092 #define COFFEE_FD_SET_SIZE 8 00093 #define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE*1) 00094 #define COFFEE_MICRO_LOGS 0 00095 #define COFFEE_LOG_TABLE_LIMIT 16 // It doesnt' matter as 00096 #define COFFEE_LOG_SIZE 128 // COFFEE_MICRO_LOGS is 0. 00097 00098 00099 #if COFFEE_PAGES <= 127 00100 #define coffee_page_t int8_t 00101 #elif COFFEE_PAGES <= 0x7FFF 00102 #define coffee_page_t int16_t 00103 #endif 00104 00105 00106 #define COFFEE_WRITE(buf, size, offset) \ 00107 stm32w_flash_write(COFFEE_START + offset, buf, size) 00108 00109 #define COFFEE_READ(buf, size, offset) \ 00110 stm32w_flash_read(COFFEE_START + offset, buf, size) 00111 00112 #define COFFEE_ERASE(sector) \ 00113 stm32w_flash_erase(sector) 00114 00115 00116 void stm32w_flash_read(int32u address, void * data, int32u length); 00117 void stm32w_flash_write(int32u address, const void * data, int32u length); 00118 void stm32w_flash_erase(int8u sector); 00119 00120 int coffee_file_test(void); 00121 00122 #endif /* !COFFEE_ARCH_H */