PQ_Hybrid_Electrical_Equipment_Team / TSL_2561_lib

TSL2561(照度センサ)のライブラリです

Dependents:   HYBRYD2018_IZU_ROCKET Hybrid_IZU2019

TSL2561.cpp@0:40ff41e6257e, 2017-11-16 (annotated)

Committer:
zebrin1422
Date:
Thu Nov 16 08:23:57 2017 +0000
Revision:
0:40ff41e6257e
Child:
1:4e7b35c8d948
TSL2561_Library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zebrin1422 0:40ff41e6257e 1 #include "mbed.h"
zebrin1422 0:40ff41e6257e 2 #include "TSL2561.h"
zebrin1422 0:40ff41e6257e 3
zebrin1422 0:40ff41e6257e 4 Serial DEBUG(USBTX,USBRX);
zebrin1422 0:40ff41e6257e 5
zebrin1422 0:40ff41e6257e 6 myTSL2561::myTSL2561(I2C &i2cBus)
zebrin1422 0:40ff41e6257e 7 {
zebrin1422 0:40ff41e6257e 8 i2c = &i2cBus;
zebrin1422 0:40ff41e6257e 9 i2c->frequency(400000);
zebrin1422 0:40ff41e6257e 10 }
zebrin1422 0:40ff41e6257e 11
zebrin1422 0:40ff41e6257e 12
zebrin1422 0:40ff41e6257e 13 void myTSL2561::begin()
zebrin1422 0:40ff41e6257e 14 {
zebrin1422 0:40ff41e6257e 15 power_up_cmd[0] = COMMAND | CONTROL_REG;
zebrin1422 0:40ff41e6257e 16 power_up_cmd[1] = POWER_UP;
zebrin1422 0:40ff41e6257e 17
zebrin1422 0:40ff41e6257e 18 i2c->write(SLV_WRITE, power_up_cmd, 2);
zebrin1422 0:40ff41e6257e 19
zebrin1422 0:40ff41e6257e 20 read_cmd = COMMAND | CHECK_REG;
zebrin1422 0:40ff41e6257e 21
zebrin1422 0:40ff41e6257e 22 i2c->write(SLV_WRITE, &read_cmd, 1);
zebrin1422 0:40ff41e6257e 23 i2c->read(SLV_READ, &check_read, 1);
zebrin1422 0:40ff41e6257e 24
zebrin1422 0:40ff41e6257e 25 }
zebrin1422 0:40ff41e6257e 26
zebrin1422 0:40ff41e6257e 27 int myTSL2561::connect_check()
zebrin1422 0:40ff41e6257e 28 {
zebrin1422 0:40ff41e6257e 29 check_cmd = COMMAND | CHECK_REG;
zebrin1422 0:40ff41e6257e 30
zebrin1422 0:40ff41e6257e 31 i2c->write(SLV_WRITE, &check_cmd, 1);
zebrin1422 0:40ff41e6257e 32 i2c->read(SLV_READ, &check_read, 1);
zebrin1422 0:40ff41e6257e 33
zebrin1422 0:40ff41e6257e 34 DEBUG.printf("CHECK_REG read = %x\r\n",check_read);
zebrin1422 0:40ff41e6257e 35
zebrin1422 0:40ff41e6257e 36 if(check_read == ID_NUMBER){ return 1;}
zebrin1422 0:40ff41e6257e 37 else{ return 0;}
zebrin1422 0:40ff41e6257e 38 }
zebrin1422 0:40ff41e6257e 39
zebrin1422 0:40ff41e6257e 40 unsigned int myTSL2561::get_luminosity(unsigned int wait_time)
zebrin1422 0:40ff41e6257e 41 {
zebrin1422 0:40ff41e6257e 42 read_cmd = COMMAND | RAW_DATA_LOW;
zebrin1422 0:40ff41e6257e 43
zebrin1422 0:40ff41e6257e 44 i2c->write(SLV_WRITE, &read_cmd, 1);
zebrin1422 0:40ff41e6257e 45 wait_ms(wait_time);
zebrin1422 0:40ff41e6257e 46 i2c->read(SLV_READ, buff, 2);
zebrin1422 0:40ff41e6257e 47
zebrin1422 0:40ff41e6257e 48 val[0] = (int)buff[0];
zebrin1422 0:40ff41e6257e 49 val[1] = (int)buff[1] << 8;
zebrin1422 0:40ff41e6257e 50
zebrin1422 0:40ff41e6257e 51 lux = (unsigned int)(val[1] | val[0]);
zebrin1422 0:40ff41e6257e 52
zebrin1422 0:40ff41e6257e 53 return lux;
zebrin1422 0:40ff41e6257e 54 }
zebrin1422 0:40ff41e6257e 55
zebrin1422 0:40ff41e6257e 56 unsigned int myTSL2561::set_rate(int channel)
zebrin1422 0:40ff41e6257e 57 {
zebrin1422 0:40ff41e6257e 58 timing_cmd[0] = COMMAND | TIMING_REG;
zebrin1422 0:40ff41e6257e 59
zebrin1422 0:40ff41e6257e 60 if(channel == 0){
zebrin1422 0:40ff41e6257e 61 time = 14;
zebrin1422 0:40ff41e6257e 62 timing_cmd[1] = TIMING | 0x00;
zebrin1422 0:40ff41e6257e 63 i2c->write(SLV_WRITE, timing_cmd, 2);
zebrin1422 0:40ff41e6257e 64 }
zebrin1422 0:40ff41e6257e 65 else if(channel == 1){
zebrin1422 0:40ff41e6257e 66 time = 105;
zebrin1422 0:40ff41e6257e 67 timing_cmd[1] = TIMING | 0x01;
zebrin1422 0:40ff41e6257e 68 i2c->write(SLV_WRITE, timing_cmd, 2);
zebrin1422 0:40ff41e6257e 69 }
zebrin1422 0:40ff41e6257e 70 else if(channel == 2){
zebrin1422 0:40ff41e6257e 71 time = 405;
zebrin1422 0:40ff41e6257e 72 timing_cmd[1] = TIMING | 0x02;
zebrin1422 0:40ff41e6257e 73 i2c->write(SLV_WRITE, timing_cmd, 2);
zebrin1422 0:40ff41e6257e 74 }
zebrin1422 0:40ff41e6257e 75
zebrin1422 0:40ff41e6257e 76 return time;
zebrin1422 0:40ff41e6257e 77 }
zebrin1422 0:40ff41e6257e 78
zebrin1422 0:40ff41e6257e 79
zebrin1422 0:40ff41e6257e 80