David k / Mbed 2 deprecated Nucleo_read_analog_value

INFRARED

Dependencies:   mbed

main.cpp@0:4514066bad64, 2018-12-15 (annotated)

Committer:
adavidkhowantolim
Date:
Sat Dec 15 03:27:37 2018 +0000
Revision:
0:4514066bad64
Child:
1:68e7f752b1fd
Infrared;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
adavidkhowantolim 0:4514066bad64 1 #include "mbed.h"
adavidkhowantolim 0:4514066bad64 2 #include <cmath>
adavidkhowantolim 0:4514066bad64 3 AnalogIn analog_value(A0);
adavidkhowantolim 0:4514066bad64 4
adavidkhowantolim 0:4514066bad64 5 DigitalOut led(LED1);
adavidkhowantolim 0:4514066bad64 6
adavidkhowantolim 0:4514066bad64 7 int main() {
adavidkhowantolim 0:4514066bad64 8 float meas;
adavidkhowantolim 0:4514066bad64 9 float x;
adavidkhowantolim 0:4514066bad64 10
adavidkhowantolim 0:4514066bad64 11 printf("\nAnalogIn example\n");
adavidkhowantolim 0:4514066bad64 12
adavidkhowantolim 0:4514066bad64 13 while(1) {
adavidkhowantolim 0:4514066bad64 14 meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
adavidkhowantolim 0:4514066bad64 15 meas = meas * 3300; // Change the value to be in the 0 to 3300 range
adavidkhowantolim 0:4514066bad64 16 x = (330377) * (pow(meas , (-1.349f)));
adavidkhowantolim 0:4514066bad64 17 printf("%.4f\n", x);
adavidkhowantolim 0:4514066bad64 18 //printf("volt %f\n", meas);
adavidkhowantolim 0:4514066bad64 19 if (meas > 2000000) { // If the value is greater than 2V then switch the LED on
adavidkhowantolim 0:4514066bad64 20 led = 1;
adavidkhowantolim 0:4514066bad64 21 }
adavidkhowantolim 0:4514066bad64 22 else {
adavidkhowantolim 0:4514066bad64 23 led = 0;
adavidkhowantolim 0:4514066bad64 24 }
adavidkhowantolim 0:4514066bad64 25 wait(0.4); // 500 ms
adavidkhowantolim 0:4514066bad64 26 }
adavidkhowantolim 0:4514066bad64 27 }