Lab 3

Dependencies:   Motor Servo mbed

Files at this revision

API Documentation at this revision

Comitter:
m182376
Date:
Mon Oct 12 17:54:27 2015 +0000
Commit message:
Lab 3

Changed in this revision

Motor.h Show annotated file Show diff for this revision Revisions of this file
Motor.lib Show annotated file Show diff for this revision Revisions of this file
Servo.h Show annotated file Show diff for this revision Revisions of this file
Servo.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Motor.h	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,56 @@
+/* mbed simple H-bridge motor controller
+ * Copyright (c) 2007-2010, sford, http://mbed.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_MOTOR_H
+#define MBED_MOTOR_H
+
+#include "mbed.h"
+
+/** Interface to control a standard DC motor 
+ *
+ * with an H-bridge using a PwmOut and 2 DigitalOuts
+ */
+class Motor {
+public:
+
+    /** Create a motor control interface    
+     *
+     * @param pwm A PwmOut pin, driving the H-bridge enable line to control the speed
+     * @param fwd A DigitalOut, set high when the motor should go forward
+     * @param rev A DigitalOut, set high when the motor should go backwards
+     */
+    Motor(PinName pwm, PinName fwd, PinName rev);
+    
+    /** Set the speed of the motor
+     * 
+     * @param speed The speed of the motor as a normalised value between -1.0 and 1.0
+     */
+    void speed(float speed);
+
+protected:
+    PwmOut _pwm;
+    DigitalOut _fwd;
+    DigitalOut _rev;
+
+};
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Motor.lib	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/Motor/#f265e441bcd9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.h	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,98 @@
+/* mbed R/C Servo Library
+ * Copyright (c) 2007-2010 sford, cstyles
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+  
+#ifndef MBED_SERVO_H
+#define MBED_SERVO_H
+
+#include "mbed.h"
+
+/** Servo control class, based on a PwmOut
+ *
+ * Example:
+ * @code
+ * // Continuously sweep the servo through it's full range
+ * #include "mbed.h"
+ * #include "Servo.h"
+ * 
+ * Servo myservo(p21);
+ * 
+ * int main() {
+ *     while(1) {
+ *         for(int i=0; i<100; i++) {
+ *             myservo = i/100.0;
+ *             wait(0.01);
+ *         }
+ *         for(int i=100; i>0; i--) {
+ *             myservo = i/100.0;
+ *             wait(0.01);
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class Servo {
+
+public:
+    /** Create a servo object connected to the specified PwmOut pin
+     *
+     * @param pin PwmOut pin to connect to 
+     */
+    Servo(PinName pin);
+    
+    /** Set the servo position, normalised to it's full range
+     *
+     * @param percent A normalised number 0.0-1.0 to represent the full range.
+     */
+    void write(float percent);
+    
+    /**  Read the servo motors current position
+     *
+     * @param returns A normalised number 0.0-1.0  representing the full range.
+     */
+    float read();
+    
+    /** Set the servo position
+     *
+     * @param degrees Servo position in degrees
+     */
+    void position(float degrees);
+    
+    /**  Allows calibration of the range and angles for a particular servo
+     *
+     * @param range Pulsewidth range from center (1.5ms) to maximum/minimum position in seconds
+     * @param degrees Angle from centre to maximum/minimum position in degrees
+     */
+    void calibrate(float range = 0.0005, float degrees = 45.0); 
+        
+    /**  Shorthand for the write and read functions */
+    Servo& operator= (float percent);
+    Servo& operator= (Servo& rhs);
+    operator float();
+
+protected:
+    PwmOut _pwm;
+    float _range;
+    float _degrees;
+    float _p;
+};
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.lib	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/m182376/code/Servo/#d8b93b7c3505
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,82 @@
+#include "mbed.h"
+#include "Motor.h"
+#include "Servo.h"
+
+
+
+Motor m(p25,p27,p28);
+Servo mservo(p24);
+Servo mservo1(p23);
+
+float i = 0.0;
+float j = 0.0;
+
+int main()
+{
+
+    mservo.calibrate(.0009,90);
+    mservo1.calibrate(.0009,90);
+
+    m.speed(i);
+    while(1) {
+
+        if (i!=1) {
+
+            for(i=0.2; i<=1.0; i=i+.1 ) {
+
+                m.speed(i);
+
+                for( j=0.0; j<=1.0; j=j+0.001 ) {
+
+                    mservo = j ;
+                    mservo1 = (1-j);
+                    wait(.005);
+
+                }
+
+                m.speed(-i);
+
+                for( j=1.0 ; j>=0.0; j=j-0.001 ) {
+
+                    mservo = j ;
+                    mservo1 = (1-j);
+                    wait(.005);
+
+                }
+
+            }
+
+        }
+
+        else if (i>=1) {
+
+            m.speed(i);
+
+            for( j=0.0; j<=1.0; j=j+0.001 ) {
+
+                mservo = j ;
+                mservo1 = (1-j);
+                wait(.005);
+
+            }
+
+            m.speed(-i);
+
+            for( j=1.0 ; j>=0.0; j=j-0.001 ) {
+
+                mservo = j ;
+                mservo1 = (1-j);
+                wait(.005);
+
+            }
+
+        }
+
+    }
+
+}
+
+
+
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Oct 12 17:54:27 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68
\ No newline at end of file