USNA ES305
/
es305_lab2_ex5
..
Diff: main.cpp
- Revision:
- 0:a294a5353234
diff -r 000000000000 -r a294a5353234 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Aug 18 18:05:21 2014 +0000 @@ -0,0 +1,50 @@ +//**************************************** +// ES305 Linear Control Systems +// Lab 2 - Introduction to mbed microcontroller +// Exercise 5 - Controlling servo position with PWM and variable potentiometer +// +// Brian Connett, LCDR, USN +// exercise and code derived from mbed.org +// exercise and code derived from Curtis Shorr, Capt, USAF +//**************************************** + +/*********************************************************************************/ +//SCY202 LAB 2 - Introduction to Cyber Attack +//Program Name: Motor Control +//Program Description: This program uses the mbed application board to control +// an RC motor, DC motor and peltier device. With user interface via 2 +// potentiometers and lcd screen. +// Created by Capt Curtis Shorr, USAF, Instructor USNA +// Libraries and Code derived from mbed.org online community +/*********************************************************************************/ + + +#include "mbed.h" //include mbed library +#include "Servo.h" //include Servo library + +AnalogIn pot1(p15); //declare pot1 +Serial pc(USBTX,USBRX); //declare serial comms over USB; +Servo rc_motor(p21); //delcare Servo Motor + +int main() +{ + + + rc_motor.calibrate(0.0009, 90.0); /********************** Servo Motor Calibration **************************/ + + + float motpos; //declare servo position variable + float rc_control; + while(1) { + + /********************* Servo Motor Control ***********************/ + rc_control = pot1.read();//reads pot1 input + rc_motor = rc_control; //send actuation command to servo + + motpos = pot1.read(); //read pot2 input & set as servo position + motpos *= 1800; //180 degrees with three sig figs + motpos = (float)((int)motpos); + motpos /= 10; + pc.printf("RC Position:%9.6f\r",rc_control*180); + } +} \ No newline at end of file