void MLX90621::initialise(int refrate) {
refreshRate = refrate;
Wire.begin(I2C_MASTER, 0, I2C_PINS_18_19, I2C_PULLUP_INT, I2C_RATE_100);
delay(5);
readEEPROM();
writeTrimmingValue();
setConfiguration();
}
void MLX90621::measure() {
if (checkConfig()) {
readEEPROM();
writeTrimmingValue();
setConfiguration();
}
readPTAT();
readIR();
calculateTA();
readCPIX();
calculateTO();
}
void Thermal_init(){
I2C_init(THERMAL_I2C_ID,I2C_CLOCK_FREQ);
count = 0;
readEeprom();
writeTrimmingValue();
writeConfigReg();
readConfigReg();
configCalculationData();
Timer_new(TIMER_THERMAL,READ_DELAY);
}
//Read the 256 bytes from the MLX EEPROM and setup the various constants (*lots* of math)
//Note: The EEPROM on the MLX has a different I2C address from the MLX. I've never seen this before.
void read_EEPROM_MLX90620()
{
i2c_start_wait(MLX90620_EEPROM_WRITE);
i2c_write(0x00); //EEPROM info starts at location 0x00
i2c_rep_start(MLX90620_EEPROM_READ);
//Read all 256 bytes from the sensor's EEPROM
for(int i = 0 ; i <= 255 ; i++)
eepromData[i] = i2c_readAck();
i2c_stop(); //We're done talking
varInitialization(eepromData); //Calculate a bunch of constants from the EEPROM data
writeTrimmingValue(eepromData[OSC_TRIM_VALUE]);
}
