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xylem update to use ethernet module

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This commit is contained in:
nik gaffney 2009-07-09 10:28:20 +02:00
parent a0f1ea5e07
commit d960da5b2d
1 changed files with 64 additions and 4 deletions
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66
xylem/xylem.pde
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@ -1,13 +1,35 @@
// part of the groworld HPI prototype ///////////// part of the groworld HPI prototype
#include <stdio.h> #include <stdio.h>
#include <Ethernet.h>
#include "pachube_api_key.h" // local include containing API key
#define lightpin 1 // light sensor on analog pin 1 #define lightpin 1 // light sensor on analog pin 1
#define humidpin 0 // humidity sensor on analog pin 0 #define humidpin 0 // humidity sensor on analog pin 0
#define power 8 // power for sensors #define power 8 // power for sensors
unsigned long then = 0; // timer which will run for < 50 days unsigned long then = 0; // timer which will run for < 50 days
unsigned long interval = 1; // interval between reads in seconds unsigned long interval = 60; // interval between reads in seconds
char display[64];
////////////// ethernet & network config
byte mac[] = {0xFE,0xEB,0xDA,0xCC,0xFE,0xED}; // MAC address
byte ip[] = {192,168,1,19}; // local ip
byte gateway[] = {192,168,1,1}; // gateway
byte subnet[] = {255,255,255,0}; // netmask
//byte server[] = {192,168,1,25}; // local listener %nc -l 80
byte server[] = {209,40,205,190}; // pachube server
Client plient(server, 80);
///////////// pachube config
#define SENSOR_FEED_ID 1951 // http://www.pachube.com/feeds/1951
char pachube_data[70];
int content_length;
///////////// set up & send
void setup() void setup()
{ {
@ -15,9 +37,43 @@ void setup()
pinMode(humidpin, INPUT); pinMode(humidpin, INPUT);
pinMode(lightpin, INPUT); pinMode(lightpin, INPUT);
Ethernet.begin(mac, ip, gateway, subnet);
Serial.begin(9600); Serial.begin(9600);
} }
void send_data ()
{
if (plient.connect() ) {
// send comma-separated values to update Pachube datastreams
Serial.print("connecting...\n");
sprintf(pachube_data,"%d,%d", lightlevel(), moisturelevel());
content_length = strlen(pachube_data);
plient.print("PUT /api/");
plient.print(SENSOR_FEED_ID);
plient.print(".csv HTTP/1.1\nHost: pachube.com\nX-PachubeApiKey: ");
plient.print(PACHUBE_API_KEY);
plient.print("\nUser-Agent: Arduino (groworld)");
plient.print("\nContent-Type: text/csv\nContent-Length: ");
plient.print(content_length);
plient.print("\nConnection: close\n\n");
plient.print(pachube_data);
plient.print("\n");
plient.flush();
plient.stop();
}
else {
Serial.print("not connected!\n");
}
}
int lightlevel () int lightlevel ()
{ {
int light = 0; int light = 0;
@ -34,15 +90,19 @@ int moisturelevel ()
return moist; return moist;
} }
char display[64];
///////////// main loop. sends data to pachube and prints values to serial line
void loop() void loop()
{ {
if (millis() - then > interval*1000) { if (millis() - then > interval*1000) {
then = millis(); then = millis();
send_data();
sprintf(display, "%u,%u,%u\n", (unsigned int)then, lightlevel(), moisturelevel()); sprintf(display, "%u,%u,%u\n", (unsigned int)then, lightlevel(), moisturelevel());
Serial.print(display); Serial.print(display);
} }
} }
/////////////