Russell Shomberg / Mbed 2 deprecated shomberg_hw_3

Sawtooth program

Dependencies:   mbed

Fork of shomberg_hw_3 by Russell Shomberg

main.cpp

Committer:
rshomberg
Date:
2018-09-25
Revision:
0:82635173a413
Child:
1:cbee04784c60

File content as of revision 0:82635173a413:

/**
    MBED Analug Output Sawtooth
    main.cpp

    Purpose:    Output a sawtooth waveform
                Adjust frequency using variable resistor
                Adjust amplitude using switch

    @author Russell Shomberg
    @version 1.0 2018-09-25
    
    Issues: NTR
            

*/

// INCLUDES
#include "mbed.h"

// INPUTS
DigitalIn switchPosition(p7);
AnalogIn Ain(p20); // wire p20 to a variable resister connected from Vref and GND

// OUTPUTS
Serial pc(USBTX, USBRX);
AnalogOut Aout(p18);

// VARIABLES
float ADCdata;
int frequency;
int amplitude;
float i;

int main() {
    while(1) {
        for (i=0;i<1;i=i+.01){
                Aout = i;
                wait(0.001);
            }
/*
        for (i=1;i>0;i=i-.01) {
                Aout = i;
                wait(0.001)
            }
*/
    }
}