/* * File : board.h * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2009, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2009-09-22 Bernard add board.h to this bsp */ #ifndef __BOARD_H__ #define __BOARD_H__ #include "stm32f7xx_hal.h" /* whether use board external SDRAM memory */ #define EXT_SDRAM_BEGIN (0xC0000000) #define EXT_SDRAM_SIZE (0x800000) #define EXT_SDRAM_END (EXT_SDRAM_BEGIN + EXT_SDRAM_SIZE) #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #define HEAP_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit) #elif __ICCARM__ #pragma section="HEAP" #define HEAP_BEGIN (__segment_end("HEAP")) #else extern int __bss_end; #define HEAP_BEGIN (&__bss_end) #endif #define STM32_SRAM_SIZE (512) #define HEAP_END (0x20000000 + STM32_SRAM_SIZE * 1024) #define HEAP_SIZE (HEAP_END - (rt_uint32_t)HEAP_BEGIN) extern void rt_hw_board_init(void); #endif