/** * \addtogroup mbxxx-platform * * @{ */ /* * Copyright (c) 2010, STMicroelectronics. * 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 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 the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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. * */ /** * \file * Coffee architecture-dependent header for the STM32W108-based mb851 * platform. STM32W108 has 128KB of program flash. * \author * Salvatore Pitrulli <salvopitru@users.sourceforge.net> */ #ifndef CFS_COFFEE_ARCH_H #define CFS_COFFEE_ARCH_H #include "contiki-conf.h" #include "hal/error.h" #include "hal/micro/cortexm3/flash.h" /* * STM32W108 has 128KB of program flash in 128 pages of 1024 bytes each = 128KB. * The smallest erasable unit is one page and the smallest writable * unit is an aligned 16-bit half-word. */ /* Byte page size, starting address on page boundary, and size of file system */ #define FLASH_START 0x8000000 /* Minimum erasable unit. */ #define FLASH_PAGE_SIZE 1024 /* Last 3 pages reserved for NVM. */ #define FLASH_PAGES 125 /* Minimum reservation unit for Coffee. It can be changed by the user. */ #define COFFEE_PAGE_SIZE (FLASH_PAGE_SIZE/4) /* * If using IAR, COFFEE_ADDRESS reflects the static value in the linker script * iar-cfg-coffee.icf, so it can't be passed as a parameter for Make. */ #ifdef __ICCARM__ #define COFFEE_ADDRESS 0x8010c00 #endif #if (COFFEE_ADDRESS & 0x3FF) != 0 #error "COFFEE_ADDRESS not aligned to a 1024-bytes page boundary." #endif #define COFFEE_PAGES ((FLASH_PAGES*FLASH_PAGE_SIZE- \ (COFFEE_ADDRESS-FLASH_START))/COFFEE_PAGE_SIZE) #define COFFEE_START (COFFEE_ADDRESS & ~(COFFEE_PAGE_SIZE-1)) #define COFFEE_SIZE (COFFEE_PAGES*COFFEE_PAGE_SIZE) /* These must agree with the parameters passed to makefsdata */ #define COFFEE_SECTOR_SIZE FLASH_PAGE_SIZE #define COFFEE_NAME_LENGTH 20 /* These are used internally by the AVR flash read routines */ /* Word reads are faster but take 130 bytes more PROGMEM */ /* #define FLASH_WORD_READS 1 */ /* * 1 = Slower reads, but no page writes after erase and 18 bytes less PROGMEM. * Best for dynamic file system */ /* #define FLASH_COMPLEMENT_DATA 0 */ /* These are used internally by the coffee file system */ #define COFFEE_MAX_OPEN_FILES 4 #define COFFEE_FD_SET_SIZE 8 #define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE*1) /* Micro logs are not needed for single page sectors */ #define COFFEE_MICRO_LOGS 0 #define COFFEE_LOG_TABLE_LIMIT 16 /* It doesnt' matter as */ #define COFFEE_LOG_SIZE 128 /* COFFEE_MICRO_LOGS is 0. */ #if COFFEE_PAGES <= 127 #define coffee_page_t int8_t #elif COFFEE_PAGES <= 0x7FFF #define coffee_page_t int16_t #endif #define COFFEE_WRITE(buf, size, offset) \ stm32w_flash_write(COFFEE_START + offset, buf, size) #define COFFEE_READ(buf, size, offset) \ stm32w_flash_read(COFFEE_START + offset, buf, size) #define COFFEE_ERASE(sector) \ stm32w_flash_erase(sector) void stm32w_flash_read(uint32_t address, void *data, uint32_t length); void stm32w_flash_write(uint32_t address, const void *data, uint32_t length); void stm32w_flash_erase(uint8_t sector); int coffee_file_test(void); #endif /* !COFFEE_ARCH_H */ /** @} */