75 lines
1.3 KiB
Text
75 lines
1.3 KiB
Text
|
///////////// part of the groworld HPI prototype
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#define lightpin 1 // light sensor on analog pin 1
|
||
|
|
#define temppin 0 // humidity sensor on analog pin 0
|
||
|
|
#define power 8 // power for humidity sensor
|
||
|
|
|
||
|
|
unsigned long then = 0; // timer which will run for < 50 days
|
||
|
|
unsigned long interval = 1; // interval between reads in seconds
|
||
|
|
|
||
|
|
///////////// serial -> wireless setup
|
||
|
|
|
||
|
|
#include <SoftwareSerial.h>
|
||
|
|
|
||
|
|
#define rxPin 0
|
||
|
|
#define txPin 1
|
||
|
|
|
||
|
|
// set up a new serial port
|
||
|
|
SoftwareSerial wireless = SoftwareSerial(rxPin, txPin);
|
||
|
|
byte pinState = 0;
|
||
|
|
|
||
|
|
|
||
|
|
///////////// set up & send
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
// analogue sensors
|
||
|
|
pinMode(power, OUTPUT);
|
||
|
|
pinMode(temppin, INPUT);
|
||
|
|
pinMode(lightpin, INPUT);
|
||
|
|
|
||
|
|
Serial.begin(9600);
|
||
|
|
|
||
|
|
// wireless serial
|
||
|
|
pinMode(rxPin, INPUT);
|
||
|
|
pinMode(txPin, OUTPUT);
|
||
|
|
wireless.begin(4800);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
int lightlevel ()
|
||
|
|
{
|
||
|
|
int light = 0;
|
||
|
|
light = (analogRead(lightpin));
|
||
|
|
return light;
|
||
|
|
}
|
||
|
|
|
||
|
|
int templevel ()
|
||
|
|
{
|
||
|
|
int temp = 0;
|
||
|
|
temp = (analogRead(temppin));
|
||
|
|
return temp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
///////////// main loop. sends data to pachube and prints values to serial line
|
||
|
|
|
||
|
|
char display[64];
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
if (millis() - then > interval*1000) {
|
||
|
|
then = millis();
|
||
|
|
sprintf(display, "%u,%u,%u\n", (unsigned int)then, lightlevel(), templevel());
|
||
|
|
wireless.print (display);
|
||
|
|
Serial.print(".");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/////////////
|
||
|
|
|