bmp085_bst.h

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/*  $Date: 2009/10/23 $
 *  $Revision: 1.2 $
 */

#ifndef __BMP085_H__
#define __BMP085_H__



#define bmp085_calc_temperature(ut) bmp085_get_temperature(ut)

#define bmp085_calc_pressure(up) bmp085_get_pressure(up)

#define bmp085_read_ut() bmp085_get_ut()

#define bmp085_read_up() bmp085_get_up()

#define bmp085_read_reg(address, data, length) bmp085_get_reg(address, data, length)

#define bmp085_write_reg(address, data, length) bmp085_set_reg(address, data, length)

#define bmp085_read_cal_param() bmp085_get_cal_param()

#define smd500_read_cal_param() smd500_get_cal_param()


#define BMP085_BUS_WR_RETURN_TYPE char

#define BMP085_BUS_WR_PARAM_TYPES unsigned char, unsigned char, unsigned char*, unsigned char

#define BMP085_BUS_WR_PARAM_ORDER device_addr, register_addr, register_data, write_length


/* never change this line */
#define BMP085_BUS_WRITE_FUNC(device_addr, register_addr, register_data, write_length) bus_write( device_addr, register_addr, register_data, write_length )



#define BMP085_BUS_RD_RETURN_TYPE char

#define BMP085_BUS_RD_PARAM_TYPES unsigned char, unsigned char, unsigned char*, unsigned char

#define BMP085_BUS_RD_PARAM_ORDER device_addr, register_addr, register_data, read_length


/* never change this line */
#define BMP085_BUS_READ_FUNC(device_addr, register_addr, register_data, read_length) bus_read( device_addr, register_addr, register_data, read_length )
                   


/*
        CHIP_TYPE CONSTANTS
*/

#define BMP085_CHIP_ID        0x55
#define BOSCH_PRESSURE_SMD500 05
#define BOSCH_PRESSURE_BMP085 85


/*
        BMP085 I2C Address
*/
#define BMP085_I2C_ADDR (0xEE >> 1)


/*
        SMB380 API error codes
*/
#define E_BMP_NULL_PTR        (char)-127
#define E_BMP_COMM_RES        (char)-1
#define E_BMP_OUT_OF_RANGE    (char)-2
#define E_SENSOR_NOT_DETECTED (char) 0

/* 
 *      
 *      register definitions    
 *
 */
#define BMP085_PROM_START__ADDR 0xAA
#define BMP085_PROM_DATA__LEN   22

#define BMP085_CHIP_ID_REG      0xD0
#define BMP085_VERSION_REG      0xD1

#define BMP085_CTRL_MEAS_REG    0xF4
#define BMP085_ADC_OUT_MSB_REG  0xF6
#define BMP085_ADC_OUT_LSB_REG  0xF7

#define BMP085_SOFT_RESET_REG   0xE0

#define BMP085_T_MEASURE        0x2E // temperature measurent 
#define BMP085_P_MEASURE        0x34 // pressure measurement

#define BMP085_TEMP_CONVERSION_TIME 5 // TO be spec'd by GL or SB


/* SMD500 specific constants */
#define SMD500_PROM_START__ADDR 0xF8
#define SMD500_PROM_DATA__LEN   8

#define SMD500_PARAM_M1  -2218 //calibration parameter
#define SMD500_PARAM_M2   -457 //calibration parameter
#define SMD500_PARAM_M3  -1984 //calibration parameter
#define SMD500_PARAM_M4   8808 //calibration parameter
#define SMD500_PARAM_M5    496 //calibration parameter
#define SMD500_PARAM_M6   1415 //calibration parameter

#define SMD500_PARAM_MB  -4955 //calibration parameter
#define SMD500_PARAM_MC  11611 //calibration parameter
#define SMD500_PARAM_MD -12166 //calibration parameter
#define SMD500_PARAM_ME -17268 //calibration parameter
#define SMD500_PARAM_MF  -8970 //calibration parameter

#define SMD500_PARAM_MG   3038 //calibration parameter
#define SMD500_PARAM_MH  -7357 //calibration parameter
#define SMD500_PARAM_MI   3791 //calibration parameter
#define SMD500_PARAM_MJ  64385 //calibration parameter

#define SMD500_STANDBY             0    // set the device in stand-by modus to reduce power consumption
#define SMD500_MASTERCLOCK_32768HZ 0x04 // external Master clock 32.768kHz
#define SMD500_MASTERCLOCK_1MHZ    0    // external Master clock 1MHz
#define SMD500_T_RESOLUTION_13BIT  0    // 13 Bit resolution temperature
#define SMD500_T_RESOLUTION_16BIT  0x80 // 16 Bit resolution temperature
#define SMD500_T_MEASURE           0x6A // temperature measurent 
#define SMD500_P_MEASURE           0xF0 // pressure measurement

#define SMD500_TEMP_CONVERSION_TIME_13   9
#define SMD500_TEMP_CONVERSION_TIME_16  34
 

/* register write and read delays */

#define BMP085_MDELAY_DATA_TYPE unsigned int
#define BMP085_MDELAY_RETURN_TYPE  void

typedef struct
{
   short ac1;
   short ac2;
   short ac3;
   unsigned short ac4;
   unsigned short ac5;
   unsigned short ac6;
   short b1;
   short b2;
   short mb;
   short mc;
   short md;                       
} bmp085_smd500_calibration_param_t;


typedef struct
{       
  bmp085_smd500_calibration_param_t cal_param;  
  unsigned char mode;
  unsigned char chip_id, ml_version, al_version;
  unsigned char dev_addr;       
  unsigned char sensortype;
  
  long param_b5;
  int number_of_samples;
  short oversampling_setting;
  short smd500_t_resolution, smd500_masterclock;
  BMP085_BUS_WR_RETURN_TYPE (*bus_write)( BMP085_BUS_WR_PARAM_TYPES );
  BMP085_BUS_RD_RETURN_TYPE (*bus_read)( BMP085_BUS_RD_PARAM_TYPES );
  BMP085_MDELAY_RETURN_TYPE (*delay_msec)( BMP085_MDELAY_DATA_TYPE );
} bmp085_t;



        
/* 
 *      
 *      bit slice positions in registers
 *
 */

#define BMP085_CHIP_ID__POS  0
#define BMP085_CHIP_ID__MSK  0xFF
#define BMP085_CHIP_ID__LEN  8
#define BMP085_CHIP_ID__REG  BMP085_CHIP_ID_REG


#define BMP085_ML_VERSION__POS  0
#define BMP085_ML_VERSION__LEN  4
#define BMP085_ML_VERSION__MSK  0x0F
#define BMP085_ML_VERSION__REG  BMP085_VERSION_REG



#define BMP085_AL_VERSION__POS  4
#define BMP085_AL_VERSION__LEN  4
#define BMP085_AL_VERSION__MSK  0xF0
#define BMP085_AL_VERSION__REG  BMP085_VERSION_REG


/* DATA REGISTERS */



/* LG/HG thresholds are in LSB and depend on RANGE setting */
/* no range check on threshold calculation */



#define BMP085_GET_BITSLICE(regvar, bitname) (regvar & bitname##__MSK) >> bitname##__POS


#define BMP085_SET_BITSLICE(regvar, bitname, val) (regvar & ~bitname##__MSK) | ((val<<bitname##__POS)&bitname##__MSK)  


/* General Setup Functions */



int bmp085_init( bmp085_t* );



//short bmp085_calc_temperature(unsigned long ut);
short bmp085_get_temperature( unsigned long ut );

//long bmp085_calc_pressure(unsigned long up);
long bmp085_get_pressure( unsigned long up );

//unsigned short bmp085_read_ut(void);
//unsigned long  bmp085_read_up(void);
unsigned short bmp085_get_ut( void );
unsigned long  bmp085_get_up( void );



/* MISC RAW functions */

/* read: address, data-pointer, length */
//char bmp085_read_reg(unsigned char , unsigned char *, unsigned char);
char bmp085_get_reg( unsigned char , unsigned char*, unsigned char );

/* write: address, data-pointer, length */
//char bmp085_write_reg(unsigned char , unsigned char*, unsigned char );
char bmp085_set_reg( unsigned char , unsigned char*, unsigned char );


/* API internal helper functions */

//int bmp085_read_cal_param(void);
//int smd500_read_cal_param(void);
int bmp085_get_cal_param( void );
int smd500_get_cal_param( void );


#endif   // __BMP085_H__