397 lines
9.2 KiB
C++
397 lines
9.2 KiB
C++
/*
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IT-Syndikat Open device Firmware for the wooden Device with two fat buttons
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Network Requirements:
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* Ethernet port on Router
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* DHCP enabled on Router
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* Unique MAC Address for Arduino
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Additional Credits:
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Example sketches from Arduino team, Ethernet by Adrian McEwen
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Based on the Ethernet to Thingspeak exaple by Hans Scharler
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*/
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#include <SPI.h>
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#include <Ethernet.h>
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#include "APIKey.h"
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#include "TimerOne.h"
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byte mac[] = { 0xD4, 0xBA, 0xD9, 0x9A, 0x7C, 0x95 }; // Must be unique on local network
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// Initialize Arduino Ethernet Client
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EthernetClient client;
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// Twitter response variables
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#define SERVER_DOMAIN "spaceapi.it-syndikat.org" // URL
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String currentLine = ""; // string to hold the text from server
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// Specific variables
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// Status
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int hsopen;
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int ethernetstatus;
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int ledtimer =0;
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const int ledspan =100;
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int pingtimer =-1;
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const int pingspan =250;
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int checktimer = 0;
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const int checkspan =1000;
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int update = 0;
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//debug options
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boolean debug = true;
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//LED and Switch pins
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const int glight = 5;
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const int rlight = 6;
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const int topen = 2;
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const int tclose = 3;
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const int beeper = A5;
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void setLeds(){
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if (pingtimer>=0)
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{
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if(hsopen){ // If space is not closed, beep three times with
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//beep
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if((pingtimer> 220)&&((pingtimer/5)%2 ==1)){
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digitalWrite(beeper, HIGH);
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}else{
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digitalWrite(beeper, LOW);
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}
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}else{ // if closed, beep once
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//beep
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if((pingtimer> 240)&&((pingtimer/5)%2 ==1)){
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digitalWrite(beeper, HIGH);
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}else{
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digitalWrite(beeper, LOW);
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}
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}
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// blink like crazy
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if((pingtimer/2)%2 ==1){
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analogWrite(rlight, 255);
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analogWrite(glight, 255);
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}else{
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analogWrite(rlight, 0);
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analogWrite(glight, 0);
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}
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pingtimer--;
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}else{
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switch(ethernetstatus){
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case 0:{ // ethernet fail
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//blink red
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if(ledtimer < (ledspan/2)){
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analogWrite(rlight, 255);
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}else{
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analogWrite(rlight, 0);
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}
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analogWrite(glight, 0);
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break;
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}
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case -1:{ // ethernet unknown
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// fade green
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if(ledtimer < (ledspan/2)){
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analogWrite(glight, (255/(ledspan/2)*ledtimer));//fade up
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}else{
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analogWrite(glight, 255-(255/(ledspan/2)*(ledtimer-(ledspan/2))));//fade down
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}
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analogWrite(rlight, 0);
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break;
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}
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case 1:{ // ethernet ok
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switch(hsopen){
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case 0:{ // closed
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//red
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analogWrite(rlight, 255);
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analogWrite(glight, 0);
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break;
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}
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case 1:{ // open
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// green
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analogWrite(rlight, 0);
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analogWrite(glight, 255);
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break;
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}
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case 2:{ // wait
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// fade red and green
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if(ledtimer < (ledspan/2)){
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int tmp=(255/(ledspan/2)*ledtimer);
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analogWrite(glight, tmp);//fade up
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analogWrite(rlight, tmp);//fade up
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}else{
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int tmp = 255-(255/(ledspan/2)*(ledtimer-(ledspan/2)));
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analogWrite(glight, tmp);//fade down
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analogWrite(rlight, tmp);//fade down
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}
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break;
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}
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case -1:{ // unknown
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// fade red
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if(ledtimer < (ledspan/2)){
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analogWrite(rlight, (255/(ledspan/2)*ledtimer));//fade up
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}else{
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analogWrite(rlight, 255-(255/(ledspan/2)*(ledtimer-(ledspan/2))));//fade down
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}
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analogWrite(glight, 0);
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break;
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}
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}
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break;
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}
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}
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ledtimer++;
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if ( ledtimer >= ledspan ) {
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ledtimer = 0;
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}
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}
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checktimer++;
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if ( checktimer >= checkspan ) {
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checktimer = 0;
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update=1;
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}
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}
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void setEth(int statuss){
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ethernetstatus = statuss;
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if(debug){
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Serial.println("Setting eth ");
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Serial.println(statuss);
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}
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setLeds();
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}
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void setRoom(int statuss){
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hsopen= statuss;
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if(debug){
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Serial.print("Setting room ");
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Serial.println(statuss);
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}
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setLeds();
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}
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void startEthernet()
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{
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client.stop();
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if(debug){
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Serial.println("Connecting Arduino to network...");
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Serial.println();
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}
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setEth(-1);
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delay(1000);
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// Connect to network amd obtain an IP address using DHCP
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if (Ethernet.begin(mac) == 0)
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{
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if(debug){
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Serial.println("DHCP Failed, reset Arduino to try again");
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Serial.println();
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}
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setEth(0);
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}
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else
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{
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if(debug){
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Serial.println("Arduino connected to network using DHCP");
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Serial.println();
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}
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setEth(1);
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}
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if(debug){
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Serial.println("DONE");
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Serial.println();
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}
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delay(1000);
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}
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//reads out the status returned by the server and sets the LED's appropriately.
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//the mode is defied by the intended call:
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void readServerStatus(int mode) {
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char lastsign='0';
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boolean readStatus = false;
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while(client.connected()) {
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if (client.available()) {
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// read incoming bytes:
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char inChar = client.read();
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// add incoming byte to end of line:
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currentLine += inChar;
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if(debug){Serial.print(inChar);}
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// if you get a newline, clear the line:
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if (inChar == '\n') {
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currentLine = "";
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if(lastsign == '\n'){ // /r/n /r/n is the end of a header
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readStatus= true; //start to parse the content of the line
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if(debug){Serial.println("##END OF HEADER##");}
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}
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}
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if (readStatus) {
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if(currentLine.startsWith("true", 0)){
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if(debug){Serial.println("");}
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switch(mode){
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case 0:
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setRoom(1);
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break;
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case 1:
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if(debug){Serial.println("Wink Wink");}
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pingtimer = pingspan;
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break;
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}
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// close the connection to the server:
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client.stop();
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return;
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}
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if(currentLine.startsWith("false", 0)){
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if(debug){Serial.println("");}
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switch(mode){
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case 0:
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setRoom(0);
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break;
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case 1:
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if(debug){Serial.println("No Wink");}
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break;
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}
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// close the connection to the server:
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client.stop();
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return;
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}
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}
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if (inChar != '\r') {// removes /r so we dan test if the header end with two newlines, hacky but works.
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lastsign = inChar;
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}
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}
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}
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setRoom(-1);
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client.stop();
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}
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void TriggerServerReq(String s, int mode) {
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// attempt to connect, and wait a millisecond:
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if(debug){Serial.println("connecting to server... Status req");}
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if (client.connect(SERVER_DOMAIN, 80)) {
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if(debug){Serial.println("making HTTP request...");}
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// make HTTP GET request to server:
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client.println("GET "+ s +" HTTP/1.1");
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client.println("HOST: " SERVER_DOMAIN);
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client.println("Connection: close");
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client.println();
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readServerStatus(mode);
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}else{
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if(debug){Serial.println("Not connected...");}
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}
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// note the time of this connect attempt:
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}
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void RequestState() {
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TriggerServerReq("/api/status-s.php",0);
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}
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// Status LED pins
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void setup()
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{
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pinMode(glight, OUTPUT);
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pinMode(rlight, OUTPUT);
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pinMode(beeper, OUTPUT);
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digitalWrite(beeper,LOW);
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// Buttons with pullup resistor
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pinMode(topen, INPUT);
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pinMode(tclose, INPUT);
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digitalWrite(topen,HIGH);
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digitalWrite(tclose,HIGH);
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// Start Serial for debugging on the Serial Monitor
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if(debug){
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Serial.begin(9600);
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}
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// Start Ethernet on Arduino
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setEth(-1);
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setRoom(2);
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Timer1.initialize(20000); // 50 mal die Sekunde
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Timer1.attachInterrupt(setLeds);
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startEthernet();
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delay(1000);
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// Get current Status
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RequestState();
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}
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void TriggerServerUpdate(boolean stat) {
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// attempt to connect, and wait a millisecond:
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if(debug){Serial.println("connecting to server... Update Req");}
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if (client.connect(SERVER_DOMAIN, 80)) {
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if(debug){Serial.println("making HTTP request...");}
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// make HTTP GET request to server:
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String s =(stat?"true":"false");
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client.println("GET /api/update.php?open=" + s + "&apikey="+serverAPIKey+" HTTP/1.1");
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client.println("HOST: " SERVER_DOMAIN);
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client.println("Connection: close");
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client.println();
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readServerStatus(0);
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}else{
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if(debug){Serial.println("Not connected...");}
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}
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// note the time of this connect attempt:
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}
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void readButtons(){
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if((digitalRead(topen)==LOW)&&(hsopen!=1)){
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//startEthernet();
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setRoom(2);
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TriggerServerUpdate(true);
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}
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if((digitalRead(tclose)==LOW)&&(hsopen!=0)){
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//startEthernet();
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setRoom(2);
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TriggerServerUpdate(false);
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}
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}
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void RequestPing() {
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TriggerServerReq("/api/ping-get.php?apikey="+pingGetAPIKey,1);
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}
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void launchUpdate(){
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if(update==1){
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RequestPing();
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RequestState();
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update = 0;
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}
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}
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void loop()
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{
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readButtons();
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launchUpdate();
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}
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//This just reads the server return and logs it to the serial
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// @deprecated
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void readServerReturn() {
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//if(debug){Serial.println("readServerReturn ... ");}
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while(client.connected()) {
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if (client.available()) {
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char c = client.read();
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if(debug){Serial.print(c);}
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}
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}
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if(debug){Serial.println();}
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if(debug){Serial.println("disconnecting.");}
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client.stop();
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}
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