Ed Witte / Servo

Sample Servo / LCD code for KL46Z. Display slider value on LCD and set servo position according to slider. Sample code for RS

Fork of Servo by Simon Ford

Demonstrate SLIDER, SERVO and LCD

Servo output is on port pin PTC1 Servo must be powered independently from KL46Z Delay of 1-2s out of reset caused by unknown issue.

Servo.h@5:b237e6e2ed77, 2017-07-12 (annotated)

Committer:
edware
Date:
Wed Jul 12 04:38:54 2017 +0000
Revision:
5:b237e6e2ed77
Parent:
4:66e69779ecc3 
Sample Servo / LCD code for KL46Z.; Display slider value on LCD and set servo position according to slider.; Sample code for RS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 2:8995c167f399 1 /* mbed R/C Servo Library
simon 2:8995c167f399 2 * Copyright (c) 2007-2010 sford, cstyles
simon 2:8995c167f399 3 *
simon 2:8995c167f399 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 2:8995c167f399 5 * of this software and associated documentation files (the "Software"), to deal
simon 2:8995c167f399 6 * in the Software without restriction, including without limitation the rights
simon 2:8995c167f399 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 2:8995c167f399 8 * copies of the Software, and to permit persons to whom the Software is
simon 2:8995c167f399 9 * furnished to do so, subject to the following conditions:
simon 2:8995c167f399 10 *
simon 2:8995c167f399 11 * The above copyright notice and this permission notice shall be included in
simon 2:8995c167f399 12 * all copies or substantial portions of the Software.
simon 2:8995c167f399 13 *
simon 2:8995c167f399 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 2:8995c167f399 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 2:8995c167f399 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 2:8995c167f399 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 2:8995c167f399 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 2:8995c167f399 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 2:8995c167f399 20 * THE SOFTWARE.
simon 0:24148c673250 21 */
simon 0:24148c673250 22
simon 0:24148c673250 23 #ifndef MBED_SERVO_H
simon 0:24148c673250 24 #define MBED_SERVO_H
simon 0:24148c673250 25
simon 0:24148c673250 26 #include "mbed.h"
simon 0:24148c673250 27
simon 3:36b69a7ced07 28 /** Servo control class, based on a PwmOut
simon 0:24148c673250 29 *
simon 0:24148c673250 30 * Example:
simon 3:36b69a7ced07 31 * @code
simon 3:36b69a7ced07 32 * // Continuously sweep the servo through it's full range
simon 3:36b69a7ced07 33 * #include "mbed.h"
simon 3:36b69a7ced07 34 * #include "Servo.h"
simon 3:36b69a7ced07 35 *
simon 3:36b69a7ced07 36 * Servo myservo(p21);
simon 3:36b69a7ced07 37 *
simon 3:36b69a7ced07 38 * int main() {
simon 3:36b69a7ced07 39 * while(1) {
simon 3:36b69a7ced07 40 * for(int i=0; i<100; i++) {
simon 3:36b69a7ced07 41 * myservo = i/100.0;
simon 3:36b69a7ced07 42 * wait(0.01);
simon 3:36b69a7ced07 43 * }
simon 3:36b69a7ced07 44 * for(int i=100; i>0; i--) {
simon 3:36b69a7ced07 45 * myservo = i/100.0;
simon 3:36b69a7ced07 46 * wait(0.01);
simon 3:36b69a7ced07 47 * }
simon 3:36b69a7ced07 48 * }
simon 3:36b69a7ced07 49 * }
simon 3:36b69a7ced07 50 * @endcode
simon 0:24148c673250 51 */
simon 0:24148c673250 52 class Servo {
simon 0:24148c673250 53
simon 0:24148c673250 54 public:
simon 3:36b69a7ced07 55 /** Create a servo object connected to the specified PwmOut pin
simon 0:24148c673250 56 *
simon 3:36b69a7ced07 57 * @param pin PwmOut pin to connect to
simon 0:24148c673250 58 */
simon 0:24148c673250 59 Servo(PinName pin);
simon 0:24148c673250 60
simon 3:36b69a7ced07 61 /** Set the servo position, normalised to it's full range
simon 0:24148c673250 62 *
simon 3:36b69a7ced07 63 * @param percent A normalised number 0.0-1.0 to represent the full range.
simon 0:24148c673250 64 */
simon 0:24148c673250 65 void write(float percent);
simon 0:24148c673250 66
simon 3:36b69a7ced07 67 /** Read the servo motors current position
simon 0:24148c673250 68 *
simon 3:36b69a7ced07 69 * @param returns A normalised number 0.0-1.0 representing the full range.
simon 0:24148c673250 70 */
simon 0:24148c673250 71 float read();
simon 0:24148c673250 72
simon 3:36b69a7ced07 73 /** Set the servo position
simon 0:24148c673250 74 *
simon 3:36b69a7ced07 75 * @param degrees Servo position in degrees
simon 0:24148c673250 76 */
simon 0:24148c673250 77 void position(float degrees);
simon 0:24148c673250 78
simon 3:36b69a7ced07 79 /** Allows calibration of the range and angles for a particular servo
simon 0:24148c673250 80 *
simon 3:36b69a7ced07 81 * @param range Pulsewidth range from center (1.5ms) to maximum/minimum position in seconds
simon 3:36b69a7ced07 82 * @param degrees Angle from centre to maximum/minimum position in degrees
simon 0:24148c673250 83 */
edware 4:66e69779ecc3 84 void calibrate(float range = 0.0005, float degrees = 90.0);
simon 0:24148c673250 85
simon 3:36b69a7ced07 86 /** Shorthand for the write and read functions */
simon 0:24148c673250 87 Servo& operator= (float percent);
simon 0:24148c673250 88 Servo& operator= (Servo& rhs);
simon 0:24148c673250 89 operator float();
simon 0:24148c673250 90
simon 0:24148c673250 91 protected:
simon 0:24148c673250 92 PwmOut _pwm;
simon 0:24148c673250 93 float _range;
simon 0:24148c673250 94 float _degrees;
simon 0:24148c673250 95 float _p;
simon 0:24148c673250 96 };
simon 0:24148c673250 97
simon 0:24148c673250 98 #endif