CN300/Inc_app/app_loader.h

/**
  ******************************************************************************
  * File Name          : main.c
  * Description        : Main program body
  ******************************************************************************
  *
  * COPYRIGHT(c) 2015 STMicroelectronics
  *
  * 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 STMicroelectronics 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
  *
  ******************************************************************************
  */
	
#ifndef __APP_LOADER_H__
#define __APP_LOADER_H__

/* Includes ------------------------------------------------------------------*/
#define STM32F103                1
#define STM32F072                0

#if  STM32F103 
	#include "stm32f1xx_hal.h"
	#define NEW_VECTOR_OFFSET        (uint32_t)0x00003000
#elif STM32F072 
	#include "stm32f0xx_hal.h"
	#define APPLICATION_ADDRESS     (uint32_t)0x08003000
	#define NEW_VECTOR_ADDRESS      (uint32_t)0x20000000
#endif


/* USER CODE BEGIN Includes */

/* USER CODE END Includes */











/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
extern void IAP_Init(void)
{
  #if  (STM32F103 == 1) 
	
		#ifdef VECT_TAB_SRAM
			SCB->VTOR = SRAM_BASE | NEW_VECTOR_OFFSET; /* Vector Table Relocation in Internal SRAM. */
		#else
			SCB->VTOR = FLASH_BASE | NEW_VECTOR_OFFSET; /* Vector Table Relocation in Internal FLASH. */
		#endif 

  #elif (STM32F072 == 1) 
		/* Relocate by software the vector table to the internal SRAM at 0x20000000 ***/  
     uint32_t i = 0;
		/* Copy the vector table from the Flash (mapped at the base of the application
			 load address 0x08003000) to the base address of the SRAM at 0x20000000. */       
		for(i = 0; i < 48; i++)
		{
			*((uint32_t*)(NEW_VECTOR_ADDRESS + (i << 2)))=*(__IO uint32_t*)(APPLICATION_ADDRESS + (i<<2));
					}
		/* Enable the SYSCFG peripheral clock*/ 
		__HAL_RCC_SYSCFG_CLK_ENABLE(); 
					
		/* Remap SRAM at 0x00000000 */
		__HAL_SYSCFG_REMAPMEMORY_SRAM();
  #endif		
}

#endif /*___APP_LOADER_H__ */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/