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338 lines
7.2 KiB
338 lines
7.2 KiB
/*
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*
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* ZoneMinder Hardware Project
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* Laser Sensor
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*
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*
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* A sensor communicating
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* via ENC28J60 to ZMTrigger daemon
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*
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*
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*/
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/*
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* What it does:
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*
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*
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*/
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/*
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*
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*
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*
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* Directions:
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*
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* Use Arduino Uno
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* Connect Pin 3 to Reset pin (may not be needed)
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* Connect ENC28J60 using these instructions:
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* https://github.com/ntruchsess/arduino_uip
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* http://web.archive.org/save/https://create.arduino.cc/projecthub/Sourcery/how-to-connect-the-enc28j60-to-an-arduino-efd0dd
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* CS for ENC and UIP library is 10 by default on UNO. Not 8, like that link says.
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*
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* Connect microwave motion sensor such as HB100, or laser diode to A1
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* Add a speaker for audible debugging
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* LED can also be added
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*
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*
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*
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*
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*/
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#include <UIPEthernet.h>
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#include <EEPROM.h>
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//Edit the below values
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#define DEBUGMODE 1 // 1 == on. 0 == off.
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/***************Ethernet ENC28J60***************/
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//Mac must be unique
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byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xEA, 0x11 };
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//IP of Arduino
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byte ip[] = { 192, 168, 1, 177 };
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//IP of zm server
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byte server[] = { 192, 168, 1, 178 };
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//ZM server ip to put in requests.
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//maybe you can use hostname, not sure. TODO: test hostnames
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String host="192.168.1.178";
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//username and password to login to Zoneminder Server.
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//If you don't have authentication, you will need to edit the
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//script.
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//NOTE: not needed for ZMTrigger. Only API.
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String username="username";
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String password="password";
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EthernetClient client;
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#define ZMTRIGGERPORT 6802
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/***************Pins***************/
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#define SPEAKER_PIN 6
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#define LED_PIN 9
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#define RESETPIN 2 //may not be needed here
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#define SENSORPIN A1
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/***************Variables************/
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int MotionSensorRead = 0;
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uint8_t AlarmActive = 0;
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char* ZMTriggerMessage = "1234567890123456789012345678901234"; //Initialize this with dummy data
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// Upper and lower limit for ADC to register motion
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// The HB100 outputs a wave that chaotically moves up and down. If the wave reaches a
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// high or low point, we register an alarm.
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// These should be tuned depending on your setup and how sensitive you want motion detected
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// without getting false alarms. Easiest to test with Serial output
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#define UPPERLIMIT 900
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#define LOWERLIMIT 100
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/*
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ZMTrigger Command to Send
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B<id>|B<action>|B<score>|B<cause>|B<text>|B<showtext>
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which in this code is:
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monnum | onoff + timealarm | score | source
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e.g.
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2|on+5|100|ZoneAVR||
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This will send a command to ZMTrigger.pl to turn monitor #2 ON (alarm state) for five seconds, with a score of 100
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and the source of ZoneAVR. The text field, and show text are not setup here.
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*/
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char* monnum = "25"; //monitor number
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char* onoff = "on"; //command to send to zmtrigger.
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char* timealarm = "10"; //time to set monitor to alarm
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char* score = "100"; //score to assign
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char* source = "ZMHW MotionSensor"; //source
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//Do not need to edit below
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void chime(int freq){
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tone(SPEAKER_PIN, freq, 50);
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delay(50);
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}
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void chimefast(int freq, int fast){
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tone(SPEAKER_PIN, freq, fast);
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delay(fast);
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}
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//timer/interrupt
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uint16_t timer1;
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uint16_t timer1_counter;
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uint8_t debouncetime;
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uint8_t first_interrupt = 0;
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//timer for debounce
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ISR(TIMER1_OVF_vect){
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timer1++;
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if (first_interrupt == 1 ){
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debouncetime++;
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}
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if (debouncetime > 2) {
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first_interrupt = 0;
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debouncetime = 0;
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AlarmActive = 0;
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}
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}
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void setup()
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{
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Serial.begin(9600);
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Serial.println("ZMHW Project");
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Serial.println("Motion Sensor");
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pinMode(SENSORPIN, INPUT);
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pinMode(SPEAKER_PIN, OUTPUT);
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pinMode(RESETPIN, OUTPUT);
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Ethernet.begin(mac, ip);
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//timer 1, setup
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//Crystal of Uno is == Mega (16MHz)
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//this timer is all bodged up, but doesn't matter, as we only
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//need two or three counts between alarms. Not going to fix atm.
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//and it works.
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//Clear existing registers
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TCCR1A = 0;
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TCCR1B = 0;
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// Set timer1_counter to the correct value for our interrupt interval
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//timer1_counter = 10000; // 62500 for one second if using 256 prescaler. can't be over 16 bit value (timer1 is 16bit limited)
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//timer1_counter = 10;
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//TCNT1 = timer1_counter; // TCNT1 is what we are overflowing on
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TCCR1B |= (1 << CS12); // 256 prescaler (divide 16mhz/256 = 62500)
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TCCR1B |= 00000101; // https://web.archive.org/web/20170707164930/http://www.avrbeginners.net:80/architecture/timers/timers.html
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// search tccr1b
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TIMSK1 |= (1 << TOIE1); // enable timer overflow interrupt (if goes over timer, interrupt flagged)
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//end timer1
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sei(); //timer needs interrupts, enable interrupts
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tone(SPEAKER_PIN, 1000, 200);
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delay(100);
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tone(SPEAKER_PIN, 2000, 200);
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delay(100);
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tone(SPEAKER_PIN, 2200, 200);
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delay(100);
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}
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void loop()
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{
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//The SICK infrared laser requires a transistor to output
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//high or low, but we will cheat and instead, put it through
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//a serial diode, and then use the ADC instead of a digital pin
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//saves a few seconds to put a diode on the end instead of transistor
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MotionSensorRead = analogRead(SENSORPIN);
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Serial.print("Motion Sensor Value: ");
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Serial.println(String(MotionSensorRead));
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//Serial.println(String(timer1));
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if(DEBUGMODE){
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delay(10);
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}
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//upon boot, values are around 400 sometimes, so only alert at higher
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if (MotionSensorRead > 500 && AlarmActive == 0){
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Serial.println("Motion Detected");
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//firstpacketsend = 0;
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cli();
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//some of this may be redundant, need to check
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AlarmActive = 1;
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first_interrupt = 1;
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debouncetime = 0;
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sei();
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//Want the chime to be only noticeable if you know what to listen
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//for. Make it a high freq. sound that is easy to miss.
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chime(13000);
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Serial.println("Connecting...");
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if (client.connect(server, ZMTRIGGERPORT)) {
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chime(13000);
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//beware that the buffer in snprintf is big enough to hold everything
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snprintf(ZMTriggerMessage, 56, "%s|%s+%s|%s|%s||", monnum, onoff, timealarm, score, source);
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Serial.print("the TCP Packet being sent:");
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Serial.println(String(ZMTriggerMessage));
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client.println(String(ZMTriggerMessage)); //required
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Serial.println("TCP packet sent to ZMTrigger");
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client.stop();
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}
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else {
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//NOTE: If you are not connected to the network
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//the device will currently freeze up, and not timeout.
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//Need to implement a watchdog.
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//If you ARE connected to the network, and server is not available
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//then it will timeout.
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Serial.println("Connection to ZM Server failed");
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chime(50);
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delay(100);
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chime(50);
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delay(100);
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chime(50);
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delay(100);
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}
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}
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//disconnect
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if (!client.connected()) {
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client.stop();
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}
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//write to eeprom if connection failed, and try again upon reboot
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//EEPROM.write(EEPROM_RETRY, switch_pressed);
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} //end main loop
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