[STM32F0] STM32F030K6

#defined  CPAL_I2C_DMA_PROGMODEL



   //初始化I2C 数据结构

    CPAL_I2C_DeInit(I2C_DevStructures[0]);

    CPAL_I2C_StructInit(I2C_DevStructures[0]);



#ifdef CPAL_I2C_DMA_PROGMODEL

    I2C_DevStructures[0]->wCPAL_Options = CPAL_OPT_I2C_NACK_ADD | CPAL_OPT_I2C_WAKEUP_STOP | CPAL_OPT_DMARX_TCIT;

    I2C_DevStructures[0]->CPAL_ProgModel = CPAL_PROGMODEL_DMA;

#elif defined (CPAL_I2C_IT_PROGMODEL)

    SLAVESTRUCTURE.wCPAL_Options =  CPAL_OPT_I2C_NACK_ADD | CPAL_OPT_I2C_WAKEUP_STOP;

    SLAVESTRUCTURE.CPAL_ProgModel = CPAL_PROGMODEL_INTERRUPT;

#else

#error "Please select one of the programming model (in main.h)"

#endif



    /* Configure Own address 1 */

    I2C_DevStructures[0]->pCPAL_I2C_Struct->I2C_OwnAddress1 = OWNADDRESS;



    /* Set I2C Speed */

    I2C_DevStructures[0]->pCPAL_I2C_Struct->I2C_Timing = SLAVE_I2C_TIMING;



    /* Select Slave Mode */

    I2C_DevStructures[0]->CPAL_Mode = CPAL_MODE_SLAVE;



    /* Initialize I2Cx Device*/

    CPAL_I2C_Init(I2C_DevStructures[0]);



    /* Infinite loop */

    while (1)

    {

        /* Reset BufferRX value */

        memset(BufferRX, 0, (uint16_t)BufferSize);



        /* Initialize Transfer parameters */

        I2C_DevStructures[0]->pCPAL_TransferRx = &sRxStructure;

        sRxStructure.wNumData = BufferSize;

        sRxStructure.pbBuffer = (uint8_t*)BufferRX;

        delay(10);



        /* Read operation */

        CPAL_I2C_Read(I2C_DevStructures[0]);



        /* Enter Stop Mode and wait for interrupt to wake up */

        //PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);

                __WFI();



        /* Wait until communication finishes */

        while ((I2C_DevStructures[0]->CPAL_State != CPAL_STATE_READY)

                        && (I2C_DevStructures[0]->CPAL_State != CPAL_STATE_ERROR));



        /* Configure SystemClock*/        

        Restore_Configuration();



        /* Configure and enable the systick timer to generate an interrupt each 1 ms */

        SysTick_Config((SystemCoreClock / 1000));



        /* If are received correctly */

        if (Compare_bBuffer((uint8_t*)BufferTX, BufferRX, BufferSize) == PASSED )

        {

            /* Update LCD Display */

            //LCD_DisplayStringLine(Line9, MESSAGE6);

        }

        else

        {

            /* Update LCD Display */

            //LCD_DisplayStringLine(Line9, MESSAGE10);

        }

        delay(50);

    }

        /* Start CPAL communication configuration ***********************************/

    /* Initialize local Reception structures */

    sRxStructure.wNumData = 2;               /* Maximum Number of data to be received */

    sRxStructure.pbBuffer = RxBuffer;   /* Common Rx buffer for all received data */

    sRxStructure.wAddr1 = 0;            /* Not needed */

    sRxStructure.wAddr2 = 0;            /* Not needed */



    /* Initialize local Transmission structures */

    sTxStructure.wNumData = 4;               /* Maximum Number of data to be transmission */

    sTxStructure.pbBuffer = TxBuffer;   /* Common Rx buffer for all received data */

    sTxStructure.wAddr1 = OWN_ADDRESS;  /* The own board address */

    sTxStructure.wAddr2 = 0;            /* Not needed */



    /* Set SYSCLK as I2C clock source */

    RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);



    /* Configure the device structure */

    CPAL_I2C_StructInit(&I2C1_DevStructure);      /* Set all fields to default values */

    I2C1_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;



    I2C1_DevStructure.wCPAL_Options =  CPAL_OPT_NO_MEM_ADDR | CPAL_OPT_DMATX_TCIT |

                                       CPAL_OPT_DMARX_TCIT | CPAL_OPT_I2C_WAKEUP_STOP;

    I2C1_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_DMA;



    I2C1_DevStructure.pCPAL_I2C_Struct->I2C_Timing = I2C_TIMING;

    I2C1_DevStructure.pCPAL_I2C_Struct->I2C_OwnAddress1 = OWN_ADDRESS;

    I2C1_DevStructure.pCPAL_TransferRx = &sRxStructure;

    I2C1_DevStructure.pCPAL_TransferTx = &sTxStructure;



    /* Initialize CPAL device with the selected parameters */

    CPAL_I2C_Init(&I2C1_DevStructure);