set up to autonomously sample with one sensor

Fork of SI1142 by Dave Cohen

SI1143.h

Committer:
GAT27
Date:
2013-10-17
Revision:
0:18ebb7348150
Child:
1:28beeb2f209b

File content as of revision 0:18ebb7348150:

#ifndef SI1143_h
#define SI1143_h

#include "mbed.h"

#define IR_ADDRESS      0x5A
#define HW_KEY_VAL0     0x17     //Value to write into the HW Key register

// register addresses
#define PART_ID        0x00
#define REV_ID         0x01
#define SEQ_ID         0x02  //Si114x-A11 (MAJOR_SEQ=1, MINOR_SEQ=1)
#define INT_CFG        0x03
#define IRQ_ENABLE     0x04
#define IRQ_MODE1      0x05
#define IRQ_MODE2      0x06
#define HW_KEY         0x07

#define MEAS_RATE      0x08
#define ALS_RATE       0x09
#define PS_RATE        0x0A

#define ALS_LOW_TH0    0x0B
#define ALS_LOW_TH1    0x0C
#define ALS_HI_TH0     0x0D
#define ALS_HI_TH1     0x0E

#define PS_LED21       0x0F
#define PS_LED3        0x10

#define PS1_TH0        0x11
#define PS1_TH1        0x12
#define PS2_TH0        0x13
#define PS2_TH1        0x14
#define PS3_TH0        0x15

#define PS3_TH1        0x16
#define PARAM_WR       0x17
#define COMMAND        0x18

#define RESPONSE       0x20
#define IRQ_STATUS     0x21

#define ALS_VIS_DATA0  0x22
#define ALS_VIS_DATA1  0x23
#define ALS_IR_DATA0   0x24
#define ALS_IR_DATA1   0x25

#define PS1_DATA0      0x26
#define PS1_DATA1      0x27
#define PS2_DATA0      0x28
#define PS2_DATA1      0x29
#define PS3_DATA0      0x2A
#define PS3_DATA1      0x2B


#define AUX_DATA0      0x2C
#define AUX_DATA1      0x2D

#define PARAM_RD       0x2E
#define CHIP_STAT      0x30
#define ANA_IN_KEY     0x3B

// Command Register Values

#define PARAM_QUERY         0x80    //Value is ORed with Parameter Offset
#define PARAM_SET           0xA0    //Value is ORed with Parameter Offset
#define PARAM_AND           0xC0    //Value is ORed with Parameter Offset
#define PARAM_OR            0xE0    //Value is ORed with Parameter Offset
#define NOP                 0x00
#define RESET               0x01
#define BUSADDR             0x02
#define PS_FORCE            0x05
#define ALS_FORCE           0x06
#define PSALS_FORCE         0x07
#define PS_PAUSE            0x09
#define ALS_PAUSE           0x0A
#define PSALS_PAUSE         0x0B
#define PS_AUTO             0x0D
#define ALS_AUTO            0x0E
#define PSALS_AUTO          0x0F

// ram addresses

#define I2C_ADDR                  0x00
#define CHLIST                    0x01
#define PSLED12_SELECT            0x02  
#define PSLED3_SELECT             0x03
#define FILTER_EN                 0x04
#define PS_ENCODING               0x05
#define ALS_ENCODING              0x06
#define PS1_ADCMUX                0x07
#define PS2_ADCMUX                0x08
#define PS3_ADCMUX                0x09
#define PS_ADC_COUNTER            0x0A
#define PS_ADC_GAIN               0x0B
#define PS_ADC_MISC               0x0C
//#define ALS_IR_ADCMUX             0x0E
//#define AUX_ADCMUX                0x0F
#define ALS1_ADCMUX               0x0D
#define ALS2_ADCMUX               0x0E
#define ALS3_ADCMUX               0x0F
#define ALS_VIS_ADC_COUNTER       0x10
#define ALS_VIS_ADC_GAIN          0x11
#define ALS_VIS_ADC_MISC          0x12
#define ALS_HYST                  0x16
#define PS_HYST                   0x17
#define PS_HISTORY                0x18
#define ALS_HISTORY               0x19
#define ADC_OFFSET                0x1A
#define SLEEP_CTRL                0x1B
#define LED_REC                   0x1C
#define ALS_IR_ADC_COUNTER        0x1D
#define ALS_IR_ADC_GAIN           0x1E
#define ALS_IR_ADC_MISC           0x1F

//Measurement Channel List
#define PS1_TASK               0x01
#define PS2_TASK               0x02
#define PS3_TASK               0x04
#define ALS_VIS_TASK           0x10
#define ALS_IR_TASK            0x20
#define AUX_TASK               0x40

class SI1143
{
    public:
    
        SI1143(PinName sda, PinName scl);
        
        int sample(int point);
        
        void bias(void);
        
        //int read1(void);
        
        //int read2(void);
        
        //int read3(void);
        
    private:
    
        I2C* i2c_;
        //int reg, val;
        int bias1,bias2,bias3,PS1,PS2,PS3,VIS,IR;
        char LowB,HighB;
        
        //void command(int address, int num_data);
        void command(char cmd);
        
        char read_reg(/*unsigned*/ char address, int num_data); // Read a Register
        
        void write_reg(char address, char num_data);// Write a resigter
        
};

#endif