text: /*
   * Copyright (c) 2006-2021, RT-Thread Development Team
   *
   * SPDX-License-Identifier: Apache-2.0
   *
   * Change Logs:
   * Date           Author       Notes
   * 2018-11-5      SummerGift   first version
   */
  
  #ifndef __BOARD_H__
  #define __BOARD_H__
  
  #include <rtthread.h>
  #include <stm32f4xx.h>
  #include "drv_common.h"
  #include "drv_gpio.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define STM32_FLASH_START_ADRESS     ((uint32_t)0x08000000)
  #define STM32_FLASH_SIZE             (512 * 1024)
  #define STM32_FLASH_END_ADDRESS      ((uint32_t)(STM32_FLASH_START_ADRESS + STM32_FLASH_SIZE))
  
  #define STM32_SRAM_SIZE           128
  #define STM32_SRAM_END            (0x20000000 + STM32_SRAM_SIZE * 1024)
  
  #if defined(__CC_ARM) || defined(__CLANG_ARM)
  extern int Image$$RW_IRAM1$$ZI$$Limit;
  #define HEAP_BEGIN      (&Image$$RW_IRAM1$$ZI$$Limit)
  #elif __ICCARM__
  #pragma section="CSTACK"
  #define HEAP_BEGIN      (__segment_end("CSTACK"))
  #else
  extern int __bss_end;
  #define HEAP_BEGIN      (&__bss_end)
  #endif
  
  #define HEAP_END        STM32_SRAM_END
  
  void SystemClock_Config(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  
  