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--- projekte:kameraslider [2016/03/12 17:32] – markus
+++ projekte:kameraslider [2021/01/17 01:06] – Externe Bearbeitung 127.0.0.1
@@ Zeile 251: / Zeile 251: @@
+</file>
+<file C SLIDER_NO_UI.ino>
+/*
+SLIDER_NO_UI.ino
+created by Markus Buecher
+markus@lug-saar.de
+Feel free to contact me if you have any questions, ideas, critics or improvements.
+RELEASE NOTES
+Please note that this Version doesn't contain an user interface (UI). You have to enter all values manually in the Parameter / Varaible section
+in the head of this program. Feel free to copy this and build your own camslider.
+**Version 1.0**
+    First release of the Arduino Program for Camslider.
+    ***WORKING:***
+    -Initialisation
+    -Move from point to point
+    -Auto Reset after reaching the other end of line
+    ***NOT WORKING / NOT IMPLEMENTED***
+    -RUNTIME (means to set a time which gives the duration of the real time duration of a timelapse for example)
+     --> does not automatically calculate the amount of Move Step and Exposure Time
+    -Cameracontrol
+    -lots of more ideas
+*/
+//Pinout
+const int END_STOP_LEFT = 5;      //Left Endstop
+const int END_STOP_RIGHT = 6;     //Right Endstop
+const int STEP_SIGNAL = 3;        //Step Signal for Pololu --> STEP
+const int DIRECTION_SIGNAL = 4;   //Direction Signal for Pololu --> DIR
+const int LED_INDICATOR = 2;      //LED-Pin for Status Signal
+//Global Variables
+int STATE = 0;						        //0 = Slider somewhere -> Initialisation; 1 = Initialisation completed, jump from point to point; 2 = Go home again; 3 = Waiting for reset
+int RUNTIME = 1000;						    //RUNTIME in seconds 60s = 1m; 120s = 2m; 600s = 10m; 3600s = 1h; 7200 = 2h. Entered values will be calculated into MoveTime and ExposureTime
+int long STEP_COUNTER = 0;        //Counts the amounts of Step-Signals from the Arduino to the Driver
+int MOVE_STEP_FROM_SWITCH = 200;  //defines the amount of steps, the cartridge moves back from a collision with the endswitch
+int MOVE_STEP = 1200;             //number of Steps made  between each photo
+int EXPOSURE_TIME = 1;            //Exposuretime
+int FREQUENCY = 3000;             //Set frequency for Step Signal (Steps per Second)
+void setup() {                    //set pinModes to In- or Output
+	pinMode(END_STOP_LEFT, INPUT);
+	pinMode(END_STOP_RIGHT, INPUT);
+	pinMode(LED_INDICATOR, OUTPUT);
+	pinMode(STEP_SIGNAL, OUTPUT);
+	pinMode(DIRECTION_SIGNAL, OUTPUT);
+}
+void step()	{                     //this function is generating the Logic HIGH to LOW Signal for Stepper Driver
+	digitalWrite(STEP_SIGNAL, HIGH);
+	delayMicroseconds(1000000/(FREQUENCY));
+	digitalWrite(STEP_SIGNAL, LOW);
+	delayMicroseconds(1000000/(FREQUENCY));
+	++STEP_COUNTER;
+}
+void loop() {                     //Main Loop
+switch (STATE) {                  //Switch/Case Statement in the loop function. The State to the number can be found above in the description of STATE Variable
+	    case 0:                     //Initialisation
+	      while (digitalRead(END_STOP_RIGHT) == LOW) {
+	      	digitalWrite(DIRECTION_SIGNAL, LOW);
+	      	step();
+          if (digitalRead(END_STOP_RIGHT) == HIGH) {
+            digitalWrite(DIRECTION_SIGNAL, HIGH);
+            STEP_COUNTER = 0;
+            while (STEP_COUNTER <= MOVE_STEP_FROM_SWITCH) {
+              step();
+            }
+          STATE = 1;
+          }
+          break;
+        }
+        break;
+	    case 1:                     //Take Photos with specified delay, stepwidth and exposuretime
+        delay(1000*(EXPOSURE_TIME));
+        while (1) {
+          digitalWrite(DIRECTION_SIGNAL, HIGH);
+          STEP_COUNTER = 0;
+          while (STEP_COUNTER <= MOVE_STEP) {
+            if (digitalRead(END_STOP_LEFT) == HIGH) {
+              STATE = 2;
+              break;
+            }
+            else
+              step();
+          }
+          break;
+        }
+      case 2:                     //Move back to home (2nd Initialisation)
+        while (digitalRead(END_STOP_RIGHT) == LOW) {
+          digitalWrite(DIRECTION_SIGNAL, LOW);
+          step();
+          if (digitalRead(END_STOP_RIGHT) == HIGH) {
+            digitalWrite(DIRECTION_SIGNAL, HIGH);
+            STEP_COUNTER = 0;
+            while (STEP_COUNTER <= MOVE_STEP_FROM_SWITCH) {
+              step();
+            }
+          STATE = 3;
+          }
+          break;
+        }
+        break;
+       case 3:                    //Indicates with a LED that the Slider is ready with taking photos
+        while(1) {
+          digitalWrite(LED_INDICATOR = HIGH);
+          delay(200);
+          digitalWrite(LED_INDICATOR = LOW);
+          delay(200);
+        }
+       break;
+	}
+}
 </file>