41 lines
723 B
Text
41 lines
723 B
Text
|
///////////// part of the groworld HPI prototype
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#define sense 0 // biosensor on analog pin 0
|
||
|
|
#define power 8 // power for sensors
|
||
|
|
|
||
|
|
unsigned long then = 0; // timer which will run for < 50 days
|
||
|
|
unsigned long interval = 10; // interval between reads in seconds
|
||
|
|
|
||
|
|
///////////// set up & send
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
pinMode(power, OUTPUT);
|
||
|
|
pinMode(sense, INPUT);
|
||
|
|
Serial.begin(9600);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int readlevel ()
|
||
|
|
{
|
||
|
|
int level = 0;
|
||
|
|
level = (analogRead(sense));
|
||
|
|
return level;
|
||
|
|
}
|
||
|
|
|
||
|
|
char display[64];
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
if (millis() - then > interval*1000) {
|
||
|
|
then = millis();
|
||
|
|
sprintf(display, "%u,%u\n", (unsigned int)then, readlevel());
|
||
|
|
Serial.print(display);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/////////////
|
||
|
|
|