David k / Mbed 2 deprecated Nucleo_read_analog_value

INFRARED

Dependencies:   mbed

main.cpp

Committer:
adavidkhowantolim
Date:
2018-12-15
Revision:
0:4514066bad64
Child:
1:68e7f752b1fd

File content as of revision 0:4514066bad64:

#include "mbed.h"
#include <cmath>
AnalogIn analog_value(A0);
 
DigitalOut led(LED1);

int main() {
    float meas;
    float x;
    
    printf("\nAnalogIn example\n");
    
    while(1) {
        meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
        meas = meas * 3300; // Change the value to be in the 0 to 3300 range
        x = (330377) * (pow(meas , (-1.349f)));
        printf("%.4f\n", x);
        //printf("volt %f\n", meas);
        if (meas > 2000000) { // If the value is greater than 2V then switch the LED on
          led = 1;
        }
        else {
          led = 0;
        }
        wait(0.4); // 500 ms
    }
}