david lukofsky / Mbed 2 deprecated STM32_read_analog

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Dependencies:   mbed

main.cpp

Committer:
lukofsky
Date:
2018-11-13
Revision:
0:15495bc2362a
Child:
1:df1ae6d3fd03

File content as of revision 0:15495bc2362a:

#include "mbed.h"

AnalogIn analog_value(A0);

DigitalOut led(LED1);

int main()
{
    float meas_r;
    float meas_v;
    
    printf("\nAnalogIn example\n");

    while(1) {

        meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
        meas_v = meas_r * 3300; // Converts value in the 0V-3.3V range
        
        // Display values
        printf("measure = %f = %.0f mV\n", meas_r, meas_v);

        // LED is ON is the value is below 1V
        if (meas_v < 1000) {
            led = 1; // LED ON
        } else {
            led = 0; // LED OFF
        }

        wait(1.0); // 1 second
    }
}