TVZ Mechatronics Team / Mbed 2 deprecated MAB_Potenciometers

Using potenciometers as analog inputs.

Dependencies:   mbed

main.cpp@0:9f57b77b5be5, 2014-12-17 (annotated)

Committer:
tbjazic
Date:
Wed Dec 17 13:21:36 2014 +0000
Revision:
0:9f57b77b5be5
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tbjazic 0:9f57b77b5be5 1 #include "mbed.h"
tbjazic 0:9f57b77b5be5 2
tbjazic 0:9f57b77b5be5 3 DigitalOut led1(LED1);
tbjazic 0:9f57b77b5be5 4 DigitalOut led2(LED2);
tbjazic 0:9f57b77b5be5 5 DigitalOut led3(LED3);
tbjazic 0:9f57b77b5be5 6 DigitalOut led4(LED4);
tbjazic 0:9f57b77b5be5 7
tbjazic 0:9f57b77b5be5 8 AnalogIn pot1(p19);
tbjazic 0:9f57b77b5be5 9 AnalogIn pot2(p20);
tbjazic 0:9f57b77b5be5 10
tbjazic 0:9f57b77b5be5 11 int main() {
tbjazic 0:9f57b77b5be5 12 float valuePot1, valuePot2, valueAverage;
tbjazic 0:9f57b77b5be5 13 while(1) {
tbjazic 0:9f57b77b5be5 14 valuePot1 = pot1.read(); // the first way of reading from analog input
tbjazic 0:9f57b77b5be5 15 valuePot2 = pot2; // the second (simpler) way of reading from analog input
tbjazic 0:9f57b77b5be5 16 valueAverage = (valuePot1 + valuePot2) / 2; // calculate average
tbjazic 0:9f57b77b5be5 17 if (valueAverage <= 0.2) { // turn off all LEDs
tbjazic 0:9f57b77b5be5 18 led1 = 0;
tbjazic 0:9f57b77b5be5 19 led2 = 0;
tbjazic 0:9f57b77b5be5 20 led3 = 0;
tbjazic 0:9f57b77b5be5 21 led4 = 0;
tbjazic 0:9f57b77b5be5 22 } else if (valueAverage > 0.2 && valueAverage <= 0.4) { // turn LED1 on
tbjazic 0:9f57b77b5be5 23 led1 = 1;
tbjazic 0:9f57b77b5be5 24 led2 = 0;
tbjazic 0:9f57b77b5be5 25 led3 = 0;
tbjazic 0:9f57b77b5be5 26 led4 = 0;
tbjazic 0:9f57b77b5be5 27 } else if (valueAverage > 0.4 && valueAverage <= 0.6) { // turn LED1 and LED2 on
tbjazic 0:9f57b77b5be5 28 led1 = 1;
tbjazic 0:9f57b77b5be5 29 led2 = 1;
tbjazic 0:9f57b77b5be5 30 led3 = 0;
tbjazic 0:9f57b77b5be5 31 led4 = 0;
tbjazic 0:9f57b77b5be5 32 } else if (valueAverage > 0.6 && valueAverage <= 0.8) { // turn LED1, LED2 and LED3 on
tbjazic 0:9f57b77b5be5 33 led1 = 1;
tbjazic 0:9f57b77b5be5 34 led2 = 1;
tbjazic 0:9f57b77b5be5 35 led3 = 1;
tbjazic 0:9f57b77b5be5 36 led4 = 0;
tbjazic 0:9f57b77b5be5 37 } else { // turn on all LEDs
tbjazic 0:9f57b77b5be5 38 led1 = 1;
tbjazic 0:9f57b77b5be5 39 led2 = 1;
tbjazic 0:9f57b77b5be5 40 led3 = 1;
tbjazic 0:9f57b77b5be5 41 led4 = 1;
tbjazic 0:9f57b77b5be5 42 }
tbjazic 0:9f57b77b5be5 43 }
tbjazic 0:9f57b77b5be5 44 }