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TSL2561.h
00001 00002 #ifndef _TSL2561_H_ 00003 #define _TSL2561_H_ 00004 00005 #include "mbed.h" 00006 00007 #define TSL2561_I2C_PINNAME_SDA p9 00008 #define TSL2561_I2C_PINNAME_SCL p10 00009 00010 #define TSL2561_VISIBLE 2 // channel 0 - channel 1 00011 #define TSL2561_INFRARED 1 // channel 1 00012 #define TSL2561_FULLSPECTRUM 0 // channel 0 00013 00014 // 3 i2c address options! 00015 #define TSL2561_ADDR_LOW 0x29 00016 #define TSL2561_ADDR_FLOAT 0x39 00017 #define TSL2561_ADDR_HIGH 0x49 00018 00019 // Lux calculations differ slightly for CS package 00020 //#define TSL2561_PACKAGE_CS 00021 #define TSL2561_PACKAGE_T_FN_CL 00022 00023 #define TSL2561_READBIT (0x01) 00024 00025 #define TSL2561_COMMAND_BIT (0x80) // Must be 1 00026 #define TSL2561_CLEAR_BIT (0x40) // Clears any pending interrupt (write 1 to clear) 00027 #define TSL2561_WORD_BIT (0x20) // 1 = read/write word (rather than byte) 00028 #define TSL2561_BLOCK_BIT (0x10) // 1 = using block read/write 00029 00030 #define TSL2561_CONTROL_POWERON (0x03) 00031 #define TSL2561_CONTROL_POWEROFF (0x00) 00032 00033 #define TSL2561_LUX_LUXSCALE (14) // Scale by 2^14 00034 #define TSL2561_LUX_RATIOSCALE (9) // Scale ratio by 2^9 00035 #define TSL2561_LUX_CHSCALE (10) // Scale channel values by 2^10 00036 #define TSL2561_LUX_CHSCALE_TINT0 (0x7517) // 322/11 * 2^TSL2561_LUX_CHSCALE 00037 #define TSL2561_LUX_CHSCALE_TINT1 (0x0FE7) // 322/81 * 2^TSL2561_LUX_CHSCALE 00038 00039 // T, FN and CL package values 00040 #define TSL2561_LUX_K1T (0x0040) // 0.125 * 2^RATIO_SCALE 00041 #define TSL2561_LUX_B1T (0x01f2) // 0.0304 * 2^LUX_SCALE 00042 #define TSL2561_LUX_M1T (0x01be) // 0.0272 * 2^LUX_SCALE 00043 #define TSL2561_LUX_K2T (0x0080) // 0.250 * 2^RATIO_SCALE 00044 #define TSL2561_LUX_B2T (0x0214) // 0.0325 * 2^LUX_SCALE 00045 #define TSL2561_LUX_M2T (0x02d1) // 0.0440 * 2^LUX_SCALE 00046 #define TSL2561_LUX_K3T (0x00c0) // 0.375 * 2^RATIO_SCALE 00047 #define TSL2561_LUX_B3T (0x023f) // 0.0351 * 2^LUX_SCALE 00048 #define TSL2561_LUX_M3T (0x037b) // 0.0544 * 2^LUX_SCALE 00049 #define TSL2561_LUX_K4T (0x0100) // 0.50 * 2^RATIO_SCALE 00050 #define TSL2561_LUX_B4T (0x0270) // 0.0381 * 2^LUX_SCALE 00051 #define TSL2561_LUX_M4T (0x03fe) // 0.0624 * 2^LUX_SCALE 00052 #define TSL2561_LUX_K5T (0x0138) // 0.61 * 2^RATIO_SCALE 00053 #define TSL2561_LUX_B5T (0x016f) // 0.0224 * 2^LUX_SCALE 00054 #define TSL2561_LUX_M5T (0x01fc) // 0.0310 * 2^LUX_SCALE 00055 #define TSL2561_LUX_K6T (0x019a) // 0.80 * 2^RATIO_SCALE 00056 #define TSL2561_LUX_B6T (0x00d2) // 0.0128 * 2^LUX_SCALE 00057 #define TSL2561_LUX_M6T (0x00fb) // 0.0153 * 2^LUX_SCALE 00058 #define TSL2561_LUX_K7T (0x029a) // 1.3 * 2^RATIO_SCALE 00059 #define TSL2561_LUX_B7T (0x0018) // 0.00146 * 2^LUX_SCALE 00060 #define TSL2561_LUX_M7T (0x0012) // 0.00112 * 2^LUX_SCALE 00061 #define TSL2561_LUX_K8T (0x029a) // 1.3 * 2^RATIO_SCALE 00062 #define TSL2561_LUX_B8T (0x0000) // 0.000 * 2^LUX_SCALE 00063 #define TSL2561_LUX_M8T (0x0000) // 0.000 * 2^LUX_SCALE 00064 00065 // CS package values 00066 #define TSL2561_LUX_K1C (0x0043) // 0.130 * 2^RATIO_SCALE 00067 #define TSL2561_LUX_B1C (0x0204) // 0.0315 * 2^LUX_SCALE 00068 #define TSL2561_LUX_M1C (0x01ad) // 0.0262 * 2^LUX_SCALE 00069 #define TSL2561_LUX_K2C (0x0085) // 0.260 * 2^RATIO_SCALE 00070 #define TSL2561_LUX_B2C (0x0228) // 0.0337 * 2^LUX_SCALE 00071 #define TSL2561_LUX_M2C (0x02c1) // 0.0430 * 2^LUX_SCALE 00072 #define TSL2561_LUX_K3C (0x00c8) // 0.390 * 2^RATIO_SCALE 00073 #define TSL2561_LUX_B3C (0x0253) // 0.0363 * 2^LUX_SCALE 00074 #define TSL2561_LUX_M3C (0x0363) // 0.0529 * 2^LUX_SCALE 00075 #define TSL2561_LUX_K4C (0x010a) // 0.520 * 2^RATIO_SCALE 00076 #define TSL2561_LUX_B4C (0x0282) // 0.0392 * 2^LUX_SCALE 00077 #define TSL2561_LUX_M4C (0x03df) // 0.0605 * 2^LUX_SCALE 00078 #define TSL2561_LUX_K5C (0x014d) // 0.65 * 2^RATIO_SCALE 00079 #define TSL2561_LUX_B5C (0x0177) // 0.0229 * 2^LUX_SCALE 00080 #define TSL2561_LUX_M5C (0x01dd) // 0.0291 * 2^LUX_SCALE 00081 #define TSL2561_LUX_K6C (0x019a) // 0.80 * 2^RATIO_SCALE 00082 #define TSL2561_LUX_B6C (0x0101) // 0.0157 * 2^LUX_SCALE 00083 #define TSL2561_LUX_M6C (0x0127) // 0.0180 * 2^LUX_SCALE 00084 #define TSL2561_LUX_K7C (0x029a) // 1.3 * 2^RATIO_SCALE 00085 #define TSL2561_LUX_B7C (0x0037) // 0.00338 * 2^LUX_SCALE 00086 #define TSL2561_LUX_M7C (0x002b) // 0.00260 * 2^LUX_SCALE 00087 #define TSL2561_LUX_K8C (0x029a) // 1.3 * 2^RATIO_SCALE 00088 #define TSL2561_LUX_B8C (0x0000) // 0.000 * 2^LUX_SCALE 00089 #define TSL2561_LUX_M8C (0x0000) // 0.000 * 2^LUX_SCALE 00090 00091 enum 00092 { 00093 TSL2561_REGISTER_CONTROL = 0x00, 00094 TSL2561_REGISTER_TIMING = 0x01, 00095 TSL2561_REGISTER_THRESHHOLDL_LOW = 0x02, 00096 TSL2561_REGISTER_THRESHHOLDL_HIGH = 0x03, 00097 TSL2561_REGISTER_THRESHHOLDH_LOW = 0x04, 00098 TSL2561_REGISTER_THRESHHOLDH_HIGH = 0x05, 00099 TSL2561_REGISTER_INTERRUPT = 0x06, 00100 TSL2561_REGISTER_CRC = 0x08, 00101 TSL2561_REGISTER_ID = 0x0A, 00102 TSL2561_REGISTER_CHAN0_LOW = 0x0C, 00103 TSL2561_REGISTER_CHAN0_HIGH = 0x0D, 00104 TSL2561_REGISTER_CHAN1_LOW = 0x0E, 00105 TSL2561_REGISTER_CHAN1_HIGH = 0x0F 00106 }; 00107 00108 typedef enum 00109 { 00110 TSL2561_INTEGRATIONTIME_13MS = 0x00, // 13.7ms 00111 TSL2561_INTEGRATIONTIME_101MS = 0x01, // 101ms 00112 TSL2561_INTEGRATIONTIME_402MS = 0x02 // 402ms 00113 } 00114 tsl2561IntegrationTime_t; 00115 00116 typedef enum 00117 { 00118 TSL2561_GAIN_0X = 0x00, // No gain 00119 TSL2561_GAIN_16X = 0x10, // 16x gain 00120 } 00121 tsl2561Gain_t; 00122 00123 class TSL2561 { 00124 00125 public: 00126 //---CLASS CONSTRUCTOR---// 00127 TSL2561(); 00128 TSL2561(uint8_t addr); 00129 TSL2561(PinName sda, PinName scl); 00130 TSL2561(PinName sda, PinName scl, uint8_t addr); 00131 00132 bool begin(void); 00133 void enable(void); 00134 void disable(void); 00135 void write8(uint8_t r, uint8_t v); 00136 uint16_t read16(uint8_t reg); 00137 00138 uint32_t calculateLux(uint16_t ch0, uint16_t ch1); 00139 void setTiming(tsl2561IntegrationTime_t integration); 00140 void setGain(tsl2561Gain_t gain); 00141 uint16_t getLuminosity (uint8_t channel); 00142 uint32_t getFullLuminosity (); 00143 00144 private: 00145 I2C i2c; 00146 int8_t _addr; 00147 tsl2561IntegrationTime_t _integration; 00148 tsl2561Gain_t _gain; 00149 00150 bool _initialized; 00151 }; 00152 #endif
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