/Designs/Data_loggers/LuxmetrSD/SW/Arduino/luxmetr/luxmetr.pde/luxmetr.pde
30,8 → 30,6
#define LIGHT_RANGE3 3
#define LIGHT_RANGE4 4
 
int count=0;
 
void setup()
{
Wire.begin(); // join i2c bus (address optional for master)
160,24 → 158,18
{
float luxVIS=0;
float luxIR=0;
float time;
 
char dataString[40];
char luxVISch[10];
char luxIRch[10];
 
set_light_sensor(SENSE_VIS); //setup sensor for visible measuring
led_blink(); // Delay for measurement
luxVIS=get_light_measurement();
 
time=millis()/1000;
set_light_sensor(SENSE_IR); // setup sensor for infrared measuring
led_blink(); // Delay for measurement
luxIR=get_light_measurement();
ftoa(luxVISch,luxVIS,2);
ftoa(luxIRch,luxIR,2);
// make a string for assembling the data to log:
sprintf(dataString,"$LUX01 %d %s %s",count, luxVISch, luxIRch);
 
// open the file. note that only one file can be open at a time,
// so you have to close this one before opening another.
File dataFile = SD.open("datalog.txt", FILE_WRITE);
184,14 → 176,21
 
// if the file is available, write to it:
if (dataFile) {
dataFile.println(dataString);
dataFile.print("$LUX0.1 ");
dataFile.print(time,3);
dataFile.print(" ");
dataFile.print(luxVIS,3);
dataFile.print(" ");
dataFile.println(luxIR,3);
dataFile.close();
// print to the serial port too:
Serial.print("$LUX0.1 ");
Serial.print(time,3);
Serial.print(" ");
Serial.print(luxVIS,3);
Serial.print(" ");
Serial.println(luxIR,3);
Serial.println(dataString);
count++;
}
// if the file isn't open, pop up an error:
else {