main.c

STM32F103C8-PKT评估板例程

/**
  ******************************************************************************
  * @file I2C/M24C08_EEPROM/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 "i2c_ee.h"

/** @addtogroup StdPeriph_Examples
  * @{
  */

/** @addtogroup I2C_M24C08_EEPROM
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;

/* Private define ------------------------------------------------------------*/
#define EEPROM_WriteAddress1    0x05
#define EEPROM_ReadAddress1     0x05
#define BufferSize1             (countof(Tx1_Buffer)-1)
#define BufferSize2             (countof(Tx2_Buffer)-1)
#define EEPROM_WriteAddress2    (EEPROM_WriteAddress1 + BufferSize1)
#define EEPROM_ReadAddress2     (EEPROM_ReadAddress1 + BufferSize1)

/* Private macro -------------------------------------------------------------*/
#define countof(a) (sizeof(a) / sizeof(*(a)))

/* Private variables ---------------------------------------------------------*/
uint8_t Tx1_Buffer[] = "/* STM32F10x I2C Firmware ";
uint8_t Tx2_Buffer[] = "Library Example */";
uint8_t Rx1_Buffer[BufferSize1], Rx2_Buffer[BufferSize2];
volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED;
    
/* Private functions ---------------------------------------------------------*/
void RCC_Configuration(void);
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
void NVIC_Configuration(void);

I2C_Result re1,re2,re3,re4;
/**
  * @brief  Main program
  * @param  None
  * @retval : None
  */
int main(void)
{
 
  /* System clocks configuration ---------------------------------------------*/
  RCC_Configuration();
  
  /* NVIC configuration ------------------------------------------------------*/
  NVIC_Configuration();
 
  I2C_Comm_Verify(I2C2);
  
  I2C_Comm_Init(I2C2, 300000, 0xA0);

  re3=I2C_Comm_MasterReceive(I2C2, 0xA0, 0, Rx1_Buffer, 3);
  re2=I2C_Comm_MasterReceive(I2C2, 0xA0, 0, Rx1_Buffer, 2);
  re1=I2C_Comm_MasterReceive(I2C2, 0xA0, 0, Rx1_Buffer, 1);
  
  re3 = I2C_Comm_MasterSend(I2C2, 0xa0, 0, Tx1_Buffer, 8);
  re4 = I2C_Comm_MasterReceive(I2C2, 0xa0, 0, Rx1_Buffer, 8);
}

/**
  * @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();
}


void NVIC_Configuration(void)
{

}


/**
  * @brief  Compares two buffers.
  * @param pBuffer1, pBuffer2: buffers to be compared.
  * @param BufferLength: buffer's length
  * @retval : PASSED: pBuffer1 identical to pBuffer2
  *   FAILED: pBuffer1 differs from pBuffer2
  */
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
{
  while(BufferLength--)
  {
    if(*pBuffer1 != *pBuffer2)
    {
      return FAILED;
    }
    
    pBuffer1++;
    pBuffer2++;
  }

  return PASSED;  
}

#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****/