//#include "debug.h"
#include "spi.h"
#include "i2c_slave.h"

#define RVRS_Pin GPIO_Pin_3
#define SHDWN_Pin GPIO_Pin_2
#define SHDWN_AND_RVRS_Port GPIOD
    u8 Data[3] = {0};
/*********************************************************************
 * @fn      main
 *
 * @brief   Main program.
 *
 * @return  none
 */
int main(void)
{
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
    SystemCoreClockUpdate();
    Delay_Init();

    DAC_SPI_Init();    //戒忘扭抉抖扶快扶我快 扶忘扼找把抉快抗

    GPIO_InitTypeDef GPIO_InitStructure={0};
    GPIO_InitStructure.GPIO_Pin = SHDWN_Pin | RVRS_Pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(SHDWN_AND_RVRS_Port, &GPIO_InitStructure);
    GPIO_WriteBit(SHDWN_AND_RVRS_Port, SHDWN_Pin, Bit_SET);

    I2C_Slave_Init();

    u8 reverse_f=0;
    u8 data_spi[3]={0};
    while(1)
    {
        data_spi[0]=Data[2];
        data_spi[1]=Data[1];
        data_spi[2]=Data[0];
        __NOP();
        DAC_CHIP_SELECT_LOW
        DAC_Transmit(SPI1,data_spi, 3);
        DAC_CHIP_SELECT_HIGH

        I2C_slave_rcv(I2C1, Data, 3);
        if( Data[2] == 0x4  && reverse_f==0){
            reverse_f = 1;
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, SHDWN_Pin, Bit_RESET);
            Delay_Ms(100);
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, RVRS_Pin, Bit_SET);
            Delay_Ms(1);
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, SHDWN_Pin, Bit_SET);
        }else if (Data[2]==0 && reverse_f==1){
            reverse_f = 0;
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, SHDWN_Pin, Bit_RESET);
            Delay_Ms(100);
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, RVRS_Pin, Bit_RESET);
            Delay_Ms(1);
            GPIO_WriteBit(SHDWN_AND_RVRS_Port, SHDWN_Pin, Bit_SET);
        }
    }
}