main.c

来自「STM32F103C8-PKT评估板例程」· C语言 代码 · 共 121 行

/**
  ******************************************************************************
  * @file FSMC/SRAM/main.c 
  * @author  MCD Application Team
  * @version  V3.0.0
  * @date  04/06/2009
  * @brief  Main program body
  ******************************************************************************
  * @copy
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "msd.h"

/** @addtogroup StdPeriph_Examples
  * @{
  */

/** @addtogroup FSMC_SRAM
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
sMSD_CSD MSD_csd;
sMSD_CID MSD_cid;

u32 Mass_Memory_Size;
u32 Mass_Block_Size;
u32 Mass_Block_Count;
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval : None
  */
int main(void)
{
  u32 temp1 = 0;
  u32 temp2 = 0;
  
  /* System Clocks Configuration */
  RCC_Configuration();   
  
  MSD_Init();
  
  MSD_GetCIDRegister(&MSD_cid);
  
  MSD_GetCSDRegister(&MSD_csd);

  temp1 = MSD_csd.DeviceSize + 1;
  temp2 = 1 << (MSD_csd.DeviceSizeMul + 2);

  Mass_Block_Count = temp1 * temp2;

  Mass_Block_Size =  1 << MSD_csd.RdBlockLen;

  Mass_Memory_Size = (Mass_Block_Count * Mass_Block_Size);
  
  while (1);
}

/**
  * @brief  Configures the different system clocks.
  * @param  None
  * @retval : None
  */
void RCC_Configuration(void)
{   
  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     initialize the PLL and update the SystemFrequency variable. */
  SystemInit();
}


#ifdef  USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *   where the assert_param error has occurred.
  * @param file: pointer to the source file name
  * @param line: assert_param error line source number
  * @retval : None
  */
void assert_failed(uint8_t* file, uint32_t line)
{ 
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif

/**
  * @}
  */ 

/**
  * @}
  */ 

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/