TSL2561(照度センサ)のライブラリです
Dependents: HYBRYD2018_IZU_ROCKET Hybrid_IZU2019
TSL2561.cpp
- Committer:
- zebrin1422
- Date:
- 2017-11-16
- Revision:
- 0:40ff41e6257e
- Child:
- 1:4e7b35c8d948
File content as of revision 0:40ff41e6257e:
#include "mbed.h" #include "TSL2561.h" Serial DEBUG(USBTX,USBRX); myTSL2561::myTSL2561(I2C &i2cBus) { i2c = &i2cBus; i2c->frequency(400000); } void myTSL2561::begin() { power_up_cmd[0] = COMMAND | CONTROL_REG; power_up_cmd[1] = POWER_UP; i2c->write(SLV_WRITE, power_up_cmd, 2); read_cmd = COMMAND | CHECK_REG; i2c->write(SLV_WRITE, &read_cmd, 1); i2c->read(SLV_READ, &check_read, 1); } int myTSL2561::connect_check() { check_cmd = COMMAND | CHECK_REG; i2c->write(SLV_WRITE, &check_cmd, 1); i2c->read(SLV_READ, &check_read, 1); DEBUG.printf("CHECK_REG read = %x\r\n",check_read); if(check_read == ID_NUMBER){ return 1;} else{ return 0;} } unsigned int myTSL2561::get_luminosity(unsigned int wait_time) { read_cmd = COMMAND | RAW_DATA_LOW; i2c->write(SLV_WRITE, &read_cmd, 1); wait_ms(wait_time); i2c->read(SLV_READ, buff, 2); val[0] = (int)buff[0]; val[1] = (int)buff[1] << 8; lux = (unsigned int)(val[1] | val[0]); return lux; } unsigned int myTSL2561::set_rate(int channel) { timing_cmd[0] = COMMAND | TIMING_REG; if(channel == 0){ time = 14; timing_cmd[1] = TIMING | 0x00; i2c->write(SLV_WRITE, timing_cmd, 2); } else if(channel == 1){ time = 105; timing_cmd[1] = TIMING | 0x01; i2c->write(SLV_WRITE, timing_cmd, 2); } else if(channel == 2){ time = 405; timing_cmd[1] = TIMING | 0x02; i2c->write(SLV_WRITE, timing_cmd, 2); } return time; }