commit 6886cdc54e4ff4ecfbf7410c0773bf5b74ec585a
Author: James Devine <devine.jd@gmail.com>
Date:   Mon Aug 6 22:00:20 2018 +0200

diff --git a/CosmicPiV2Simulator.ino b/CosmicPiV2Simulator.ino
new file mode 100644
index 0000000..df7dc9d
--- /dev/null
+++ b/CosmicPiV2Simulator.ino
@@ -0,0 +1,286 @@
+//Cosmic Pi V2 Simulator for Arduino DUE
+//functions provided:
+//outputs
+//Analogue Out 0 -> Simulated PSU Voltage FB (open loop)
+//Analogue Out 1 -> Simulated Events (SlowOutA/SlowOutB)
+//GPS PPS Output -> 1 Hz
+//Trigout -> 5Hz, randomomised
+//Strig A out -> 10Hz, sync with trigout
+//Strig B out -> 10Hz, sync with trigout
+//inputs - to check detection is working
+//Flag 0
+//Flag 1
+//Flag 2
+
+//Serial output at 115200
+
+
+//variables
+int evt0;
+int evt1;
+int evt2;
+int evt3;
+int evt4;
+int filler0;
+int filler1;
+int filler2;
+int filler3;
+int filler4;
+
+//Now 5 more events for ChA and 5 more for ChB
+int evt0A;
+int evt1A;
+int evt2A;
+int evt3A;
+int evt4A;
+int filler0A;
+int filler1A;
+int filler2A;
+int filler3A;
+int filler4A;
+
+int evt0B;
+int evt1B;
+int evt2B;
+int evt3B;
+int evt4B;
+int filler0B;
+int filler1B;
+int filler2B;
+int filler3B;
+int filler4B;
+
+
+
+//pinouts
+int GPSPPS=13;
+int TRIG=12;
+int STRIGA=11;
+int STRIGB=10;
+
+int eventpeak = 700;
+int AnalogQPoint = 600;
+int duration = 0;
+
+//PSU wobble criteria
+int psuupdown=0;
+int psuupdownnext=0;
+int wobble = 50;
+int psusetpoint = 255;
+
+//timer 
+int start_time = 0;
+int stop_time = 0;
+
+void setup() {
+  // put your setup code here, to run once:
+analogWrite(DAC0, 255); //set the DC value for the PSU
+
+analogWrite(DAC1, AnalogQPoint); //set the DC value for the analogue detector signal
+pinMode(LED_BUILTIN, OUTPUT); //lets use pin 13 as the PPS
+
+
+//init outputs
+digitalWrite(GPSPPS,0);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+
+  Serial.begin(115200); 
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+start_time = micros();
+
+//each loop we'll have 5 events. Here are the times of each of them
+evt0=random(0,80);
+evt1=random(0,80);
+evt2=random(0,80);
+evt3=random(0,80);
+evt4=random(0,80);
+filler0= 80-evt0;
+filler1= 80-evt1;
+filler2= 80-evt2;
+filler3= 80-evt3;
+filler4= 80-evt4;
+
+//Now 5 more events for ChA and 5 more for ChB
+evt0A=random(0,40);
+evt1A=random(0,40);
+evt2A=random(0,40);
+evt3A=random(0,40);
+evt4A=random(0,40);
+filler0A= 40-evt0A;
+filler1A= 40-evt1A;
+filler2A= 40-evt2A;
+filler3A= 40-evt3A;
+filler4A= 40-evt4A;
+
+evt0B=random(0,40);
+evt1B=random(0,40);
+evt2B=random(0,40);
+evt3B=random(0,40);
+evt4B=random(0,40);
+filler0B= 40-evt0B;
+filler1B= 40-evt1B;
+filler2B= 40-evt2B;
+filler3B= 40-evt3B;
+filler4B= 40-evt4B;
+
+//set 1
+delay(10);
+delay(evt0);
+analogWrite(DAC1, eventpeak);
+//delay(5);
+digitalWrite(TRIG,1);
+digitalWrite(STRIGA,1);
+digitalWrite(STRIGB,1);
+delay(5);
+analogWrite(DAC1, (eventpeak-50));
+delay(5);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+analogWrite(DAC1, AnalogQPoint);
+delay(filler0);
+delay(evt0A);
+digitalWrite(STRIGA,1);
+delay(10);
+digitalWrite(STRIGA,0);
+delay(filler0A);
+delay(evt0B);
+digitalWrite(STRIGB,1);
+delay(10);
+digitalWrite(STRIGB,0);
+delay(filler0B);
+
+//set 2
+delay(evt1);
+analogWrite(DAC1, eventpeak);
+//delay(5);
+digitalWrite(TRIG,1);
+digitalWrite(STRIGA,1);
+digitalWrite(STRIGB,1);
+delay(5);
+analogWrite(DAC1, (eventpeak-50));
+delay(5);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+analogWrite(DAC1, AnalogQPoint);
+delay(filler1);
+delay(evt1A);
+digitalWrite(STRIGA,1);
+delay(10);
+digitalWrite(STRIGA,0);
+delay(filler1A);
+delay(evt1B);
+digitalWrite(STRIGB,1);
+delay(10);
+digitalWrite(STRIGB,0);
+delay(filler1B);
+
+//set 3
+delay(evt2);
+analogWrite(DAC1, eventpeak);
+//delay(5);
+digitalWrite(TRIG,1);
+digitalWrite(STRIGA,1);
+digitalWrite(STRIGB,1);
+delay(5);
+analogWrite(DAC1, (eventpeak-50));
+delay(5);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+analogWrite(DAC1, AnalogQPoint);
+delay(filler2);
+delay(evt2A);
+digitalWrite(STRIGA,1);
+delay(10);
+digitalWrite(STRIGA,0);
+delay(filler2A);
+delay(evt2B);
+digitalWrite(STRIGB,1);
+delay(10);
+digitalWrite(STRIGB,0);
+delay(filler2B);
+
+//set 4
+delay(evt3);
+analogWrite(DAC1, eventpeak);
+//delay(5);
+digitalWrite(TRIG,1);
+digitalWrite(STRIGA,1);
+digitalWrite(STRIGB,1);
+delay(5);
+analogWrite(DAC1, (eventpeak-50));
+delay(5);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+analogWrite(DAC1, AnalogQPoint);
+delay(filler3);
+delay(evt3A);
+digitalWrite(STRIGA,1);
+delay(10);
+digitalWrite(STRIGA,0);
+delay(filler3A);
+delay(evt3B);
+digitalWrite(STRIGB,1);
+delay(10);
+digitalWrite(STRIGB,0);
+delay(filler3B);
+
+//set 5
+delay(evt4);
+analogWrite(DAC1, eventpeak);
+//delay(5);
+digitalWrite(TRIG,1);
+digitalWrite(STRIGA,1);
+digitalWrite(STRIGB,1);
+delay(5);
+analogWrite(DAC1, (eventpeak-50));
+delay(5);
+digitalWrite(TRIG,0);
+digitalWrite(STRIGA,0);
+digitalWrite(STRIGB,0);
+analogWrite(DAC1, AnalogQPoint);
+delay(filler4);
+delay(evt4A);
+digitalWrite(STRIGA,1);
+delay(10);
+digitalWrite(STRIGA,0);
+delay(filler4A);
+delay(evt4B);
+digitalWrite(STRIGB,1);
+delay(10);
+digitalWrite(STRIGB,0);
+delay(filler4B);
+
+//pulse the pps
+digitalWrite(GPSPPS,1);
+delay(40);
+digitalWrite(GPSPPS,0);
+
+//let's wobble the PSU output every second;
+if (psuupdown==0)
+{
+  psusetpoint = psusetpoint + wobble;
+  psuupdownnext=1;
+}
+if (psuupdown==1)
+{
+ psusetpoint = psusetpoint - wobble;
+ psuupdownnext=0;
+}
+psuupdown = psuupdownnext;
+analogWrite(DAC0, psusetpoint);
+  
+Serial.print("The loop took ");
+Serial.println(duration);
+
+stop_time = micros();
+duration = stop_time - start_time;
+}
\ No newline at end of file