#include "bmp3.h"
#include "main.h"

//ÔÚLIS3DHÀïÃæµÄÖ¸¶¨µØÖ·¿ªÊ¼¶ÁÒ»×Ö½ÚÊý¾Ý
//ReadAddr   :¶Á³öµÄµØÖ· 
//·µ»ØÖµ     :¶Á³öµÄÊý¾Ý
uint8_t BMP390_ReadOneByte(uint8_t ReadAddr)
{
	uint8_t temp=0;		  	    																 
	IIC2_Start();  
	IIC2_Send_Byte(0Xee);	     //·¢ËÍдÃüÁî
	IIC2_Wait_Ack();       
	IIC2_Send_Byte(ReadAddr);   //·¢ËͶÁµØÖ·
	IIC2_Wait_Ack();	    
	IIC2_Start();  	 	   
	IIC2_Send_Byte(0Xef);       //·¢ËͶÁÃüÁ½øÈë½ÓÊÕģʽ		   
	IIC2_Wait_Ack();	 
	temp=IIC2_Read_Byte(0);		   
	IIC2_Stop();								//²úÉúÒ»¸öÍ£Ö¹Ìõ¼þ	     
	return temp;
}
//ÔÚLIS3DHÖ¸¶¨µØַдÈëÒ»¸öÊý¾Ý
//WriteAddr  :дÈëÊý¾ÝµÄÄ¿µÄµØÖ·    
//DataToWrite:ҪдÈëµÄÊý¾Ý
void BMP390_WriteOneByte(uint8_t WriteAddr,uint8_t DataToWrite)
{				   	  	    																 
	IIC2_Start();  
	IIC2_Send_Byte(0Xee);	    //·¢ËÍдÃüÁî
	IIC2_Wait_Ack();
	IIC2_Send_Byte(WriteAddr);					//·¢Ë͵ØÖ·
	IIC2_Wait_Ack();	   	 										  		   
	IIC2_Send_Byte(DataToWrite);     //·¢ËÍ×Ö½Ú							   
	IIC2_Wait_Ack();  		    	   
	IIC2_Stop();//²úÉúÒ»¸öÍ£Ö¹Ìõ¼þ 
	delay_us(10);	
			
}
uint8_t BMP390_WriteLenByte(uint8_t WriteAddr,uint8_t* buffer,uint8_t Len,void *intf_ptr)
{  	
	uint8_t t,temp[200];
	memcpy(temp,buffer,Len);
	for(t=0;t<Len;t++)
	{
		BMP390_WriteOneByte(WriteAddr+t,temp[t]);
	}	
return 0;	
}

//ÔÚAT24CXXÀïÃæµÄÖ¸¶¨µØÖ·¿ªÊ¼¶Á³ö³¤¶ÈΪLenµÄÊý¾Ý
//¸Ãº¯ÊýÓÃÓÚ¶Á³ö16bit»òÕß32bitµÄÊý¾Ý.
//ReadAddr   :¿ªÊ¼¶Á³öµÄµØÖ· 
//·µ»ØÖµ     :Êý¾Ý
//Len        :Òª¶Á³öÊý¾ÝµÄ³¤¶È2,4
uint8_t BMP390_ReadLenByte(uint8_t ReadAddr,uint8_t* buffer,uint8_t Len,void *intf_ptr)
{  	
	uint8_t t;
	uint8_t temp=0;
	for(t=0;t<Len;t++)
	{		
		temp=BMP390_ReadOneByte(ReadAddr+t); 
    memcpy(buffer++,&temp,1);		
	}
	return 0;												    
}
void delay_us2(uint32_t nTimer)  
{  
    uint32_t i=0;  
    for(i=0;i<nTimer;i++){  
        __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
		__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
		__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();  
        __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
		__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
		__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();  
        __NOP();__NOP();__NOP();__NOP(); 
    }  
}
    int8_t rslt;
    uint8_t loop = 0;
    uint16_t settings_sel;
    struct bmp3_dev dev;
    struct bmp3_data data = { 0 };
    struct bmp3_settings settings = { 0 };
    struct bmp3_status status = { { 0 } };
#define ITERATION  UINT8_C(100)
float Altitude2;
uint8_t data_read[10],data_write[10] = {1,2,3,4,5,6,7,8,9,10};

//#define FIFO_FRAME_COUNT  UINT8_C(50)

///* Maximum FIFO size */
//#define FIFO_MAX_SIZE     UINT16_C(100)
//	    struct bmp3_dev dev;
//    int8_t rslt;

//uint8_t try = 1;
//static uint8_t index = 0;
//uint16_t settings_sel;
//uint16_t settings_fifo;
//uint16_t fifo_length = 0;
//uint8_t fifo_data[FIFO_MAX_SIZE];
//struct bmp3_data fifo_p_t_data[FIFO_MAX_SIZE];
//struct bmp3_fifo_settings fifo_settings;
//struct bmp3_settings settings;
//struct bmp3_fifo_data fifo;
//struct bmp3_status status;
///* Iteration count to run example code */
//void Bmp390Init2(void)
//{

//    
//	dev.chip_id = 0xee;
//	dev.intf = BMP3_I2C_INTF;
//	dev.read = &BMP390_ReadLenByte;
//	dev.write = &BMP390_WriteLenByte;
//	dev.delay_us = delay_us2;
//    rslt = bmp3_init(&dev);
// //   bmp3_check_rslt("bmp3_init", rslt);

//    fifo_settings.mode = BMP3_ENABLE;
//    fifo_settings.press_en = BMP3_ENABLE;
//    fifo_settings.temp_en = BMP3_ENABLE;
//    fifo_settings.filter_en = BMP3_ENABLE;
//    fifo_settings.down_sampling = BMP3_FIFO_NO_SUBSAMPLING;
//    fifo_settings.ffull_en = BMP3_ENABLE;

//    fifo.buffer = fifo_data;
//    fifo.req_frames = FIFO_FRAME_COUNT;

//    settings.press_en = BMP3_ENABLE;
//    settings.temp_en = BMP3_ENABLE;
//    settings.odr_filter.press_os = BMP3_NO_OVERSAMPLING;
//    settings.odr_filter.temp_os = BMP3_NO_OVERSAMPLING;
//    settings.odr_filter.odr = BMP3_ODR_50_HZ;

//    settings_sel = BMP3_SEL_PRESS_EN | BMP3_SEL_TEMP_EN | BMP3_SEL_PRESS_OS | BMP3_SEL_TEMP_OS | BMP3_SEL_ODR;

//    settings_fifo = BMP3_SEL_FIFO_MODE | BMP3_SEL_FIFO_PRESS_EN | BMP3_SEL_FIFO_TEMP_EN | BMP3_SEL_FIFO_FULL_EN |
//                    BMP3_SEL_FIFO_DOWN_SAMPLING | BMP3_SEL_FIFO_FILTER_EN;

//    rslt = bmp3_set_sensor_settings(settings_sel, &settings, &dev);
//   // bmp3_check_rslt("bmp3_set_sensor_settings", rslt);

//    settings.op_mode = BMP3_MODE_NORMAL;
//    rslt = bmp3_set_op_mode(&settings, &dev);
//   // bmp3_check_rslt("bmp3_set_op_mode", rslt);

//    rslt = bmp3_set_fifo_settings(settings_fifo, &fifo_settings, &dev);
//   // bmp3_check_rslt("bmp3_set_fifo_settings", rslt);

//    rslt = bmp3_get_fifo_settings(&fifo_settings, &dev);
//   // bmp3_check_rslt("bmp3_get_fifo_settings", rslt);

//  //  printf("Read Fifo full interrupt data\n");

//    while (try <= ITERATION)
//    {
//        rslt = bmp3_get_status(&status, &dev);
//   //     bmp3_check_rslt("bmp3_get_status", rslt);

//        if ((rslt == BMP3_OK) && (status.intr.fifo_full == BMP3_ENABLE))
//        {
//            rslt = bmp3_get_fifo_length(&fifo_length, &dev);
//      //      bmp3_check_rslt("bmp3_get_fifo_length", rslt);

//            rslt = bmp3_get_fifo_data(&fifo, &fifo_settings, &dev);
//     //       bmp3_check_rslt("bmp3_get_fifo_data", rslt);

//            /* NOTE : Read status register again to clear FIFO Full interrupt status */
//            rslt = bmp3_get_status(&status, &dev);
//      //      bmp3_check_rslt("bmp3_get_status", rslt);

//            if (rslt == BMP3_OK)
//            {
////                printf("\nIteration : %d\n", try);
////                printf("Available fifo length : %d\n", fifo_length);
////                printf("Fifo byte count from fifo structure : %d\n", fifo.byte_count);

////                printf("FIFO frames requested : %d\n", fifo.req_frames);

//                rslt = bmp3_extract_fifo_data(fifo_p_t_data, &fifo, &dev);
//  //              bmp3_check_rslt("bmp3_extract_fifo_data", rslt);

//   //             printf("FIFO frames extracted : %d\n", fifo.parsed_frames);

//                for (index = 0; index < fifo.parsed_frames; index++)
//                {
//                        #ifdef BMP3_FLOAT_COMPENSATION
//   //                 printf("Frame[%d]  T: %.2f deg C, P: %.2f Pa\n", index, (fifo_p_t_data[index].temperature),
//   //                        (fifo_p_t_data[index].pressure));
//                        #else
//                    printf("Frame[%d]  T: %ld deg C, P: %lu Pa\n", index,
//                           (long int)(int32_t)(fifo_p_t_data[index].temperature / 100),
//                           (long unsigned int)(uint32_t)(fifo_p_t_data[index].pressure / 100));
//                        #endif
//                }
//            }

//            try++;
//        }
//    }
//}
u8 reg_data[5],write_data[2],temp3;
int Bmp390Init(void)
{


    /* Interface reference is given as a parameter
     *         For I2C : BMP3_I2C_INTF
     *         For SPI : BMP3_SPI_INTF
     */
//    rslt = bmp3_interface_init(&dev, BMP3_I2C_INTF);
//    bmp3_check_rslt("bmp3_interface_init", rslt);
			dev.chip_id = 0xee;
	dev.intf = BMP3_I2C_INTF;
	dev.read = &BMP390_ReadLenByte;
	dev.write = &BMP390_WriteLenByte;
	dev.delay_us = delay_us2;
    rslt = bmp3_init(&dev);
//    bmp3_check_rslt("bmp3_init", rslt);

    settings.int_settings.drdy_en = BMP3_ENABLE;
    settings.press_en = BMP3_ENABLE;
    settings.temp_en = BMP3_ENABLE;

    settings.odr_filter.press_os = BMP3_OVERSAMPLING_32X;
    settings.odr_filter.temp_os = BMP3_OVERSAMPLING_2X;
		settings.odr_filter.iir_filter = BMP3_IIR_FILTER_COEFF_7;
    settings.odr_filter.odr = BMP3_ODR_6_25_HZ;

    settings_sel = BMP3_SEL_PRESS_EN |BMP3_SEL_IIR_FILTER| BMP3_SEL_TEMP_EN | BMP3_SEL_PRESS_OS | BMP3_SEL_TEMP_OS | BMP3_SEL_ODR |
                   BMP3_SEL_DRDY_EN;

    rslt = bmp3_set_sensor_settings(settings_sel, &settings, &dev);
//    bmp3_check_rslt("bmp3_set_sensor_settings", rslt);

    settings.op_mode = BMP3_MODE_NORMAL;
    rslt = bmp3_set_op_mode(&settings, &dev);
//    bmp3_check_rslt("bmp3_set_op_mode", rslt);
write_data[0]=BMP3_IIR_FILTER_COEFF_7<<1;
temp3 = BMP3_REG_CONFIG;
	bmp3_set_regs(&temp3, write_data, 1, &dev);
	bmp3_get_regs(temp3, reg_data, 1, &dev);
    while (1)
    {
        rslt = bmp3_get_status(&status, &dev);
     //   bmp3_check_rslt("bmp3_get_status", rslt);

        /* Read temperature and pressure data iteratively based on data ready interrupt */
        if ((rslt == BMP3_OK) && (status.intr.drdy == BMP3_ENABLE))
        {
            /*
             * First parameter indicates the type of data to be read
             * BMP3_PRESS_TEMP : To read pressure and temperature data
             * BMP3_TEMP       : To read only temperature data
             * BMP3_PRESS      : To read only pressure data
             */
            rslt = bmp3_get_sensor_data(BMP3_PRESS_TEMP, &data, &dev);
      //      bmp3_check_rslt("bmp3_get_sensor_data", rslt);

            /* NOTE : Read status register again to clear data ready interrupt status */
            rslt = bmp3_get_status(&status, &dev);
    //        bmp3_check_rslt("bmp3_get_status", rslt);
							Altitude2 = 44330*(1-pow(data.pressure/101325.0,1.0/5.255));
            #ifdef BMP3_FLOAT_COMPENSATION
     //       printf("Data[%d]  T: %.2f deg C, P: %.2f Pa\n", loop, (data.temperature), (data.pressure));
            #else
            printf("Data[%d]  T: %ld deg C, P: %lu Pa\n", loop, (long int)(int32_t)(data.temperature / 100),
                   (long unsigned int)(uint32_t)(data.pressure / 100));
            #endif

            loop = loop + 1;
        }
    }

   // bmp3_coines_deinit();

    return rslt;
}