first commit

adafruit_drv8833_cameron.ino

@@ -0,0 +1,92 @@
+/**
+ * This code will drive 2 bipoler stepper motors
+ * using 2 Adafruit DRV8833
+ * connected to UNO pins 2-5 driver 1 and 6-9 driver 2
+ * 
+ * 10k Pot controls Motor RPM
+ * connected to UNO Pins A0 pot 1 and A1 pot 2
+ * 
+ * Lock Buttons
+ * connected to UNO Pin A2 and A3
+ * 
+ * LCD
+ * connected to UNO Pins A4 and A5
+ * 
+ **/
+
+ 
+ // $Id: MultiStepper.pde,v 1.1 2011/01/05 01:51:01 mikem Exp mikem $
+#include <AccelStepper.h>
+#include <Stepper.h>
+
+//number of seconds to wait in-between pot checks
+#define UPDATETIME 30
+
+// Define some steppers and the pins the will use
+AccelStepper stepper1; // Defaults to AccelStepper::FULL4WIRE (4 pins) on 2, 3, 4, 5
+AccelStepper stepper2(AccelStepper::FULL4WIRE, 6, 7, 8, 9);
+
+//assign Arduino pin connected to potentiometer
+//analog pins should be prefixed with "A"
+  const int PotPin1 = 0;
+  const int PotPin2 = 1;
+  
+//assign a variable for analog reading from potentiometer
+  //currnetSpeed1 = 0;
+  //currentSpeed2 = 0;
+  //int motorSpeeds [2];
+  
+void setup()
+{    
+  // initialize the serial communications:
+  Serial.begin(9600);
+  
+  //declare the potentiometer pins as an INPUTs
+  pinMode(PotPin1, INPUT);
+  pinMode(PotPin2, INPUT);
+
+  //stepper1.setAcceleration(300);
+  stepper1.moveTo(50);
+   
+  //stepper2.setAcceleration(300);
+  stepper2.moveTo(50);
+}
+
+//at the start of this loop, read the pots and set the new speeds
+//then run the motors until the time for the next check
+void loop()
+{
+    static float current_speed = 0;         //holds current motor speed in steps/sec
+    unsigned long targetTime = millis() + 1000*UPDATETIME;
+
+    // read the potentiometer value:
+    int potReading1 = analogRead(PotPin1);
+    int potReading2 = analogRead(PotPin2);
+  
+    // map it to a range from 0 to 100:
+    int motorSpeed1 = map(potReading1, 0, 1023, 1, 150);
+    int motorSpeed2 = map(potReading2, 0, 1023, 1, 150);
+
+    //update the stepper to run at this new speed
+    stepper1.setSpeed(motorSpeed1);
+    stepper2.setSpeed(motorSpeed2);
+    
+    //stay in this loop until the next time you need to check the pots
+    while(millis() < targetTime)
+    {
+        //run the motors for a bit before checking the time, for efficiency
+        for(int count = 1000; count > 0; count--)
+        {
+            stepper1.runSpeed();
+            stepper2.runSpeed();
+        }
+    }
+
+    //store motor speed values
+    //motorSpeeds [0] = motorSpeed1;
+    //motorSpeeds [1] = motorSpeed2;
+
+    //currentSpeed1 = motorSpeed [0];
+    //currentSpeed2 = motorSpeed [1];
+}
+