Library for using SI1141 sensor

Fork of SI1143 by Guillermo Torijano

Revision:
0:18ebb7348150
Child:
1:28beeb2f209b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SI1143.h	Thu Oct 17 12:53:08 2013 +0000
@@ -0,0 +1,157 @@
+#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
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