Zoltan Hudak / Mbed 2 deprecated STM32F103C8T6_AnalogIn

Reading analog input with an STM32F103C8T6 board. ADC is calibrated to achieve higher accuracy.

Dependencies:   mbed

Reading analog input with STM32F103C8T6 board

Import the program into your online compiler.

Schematic

/media/uploads/hudakz/stm32f103c8t6_aanalogin.png

main.cpp

Committer:
hudakz
Date:
2019-02-05
Revision:
2:b0563c2ef616
Parent:
1:7522adef9bd0

File content as of revision 2:b0563c2ef616:

#include "mbed.h"
#include "AnalogIn.h"

const float REF_VOLT = 3300; // Reference voltage in millivolts

Serial      pc(PA_2, PA_3);
DigitalOut  myled(PC_13);
AnalogIn    analogIn(PA_0); // Create an analog input
float       voltage;    
 
int main()
{       
    while (1) {
        voltage = analogIn.read() * REF_VOLT;  // convert analog to digital
        pc.printf("voltage = %.0f mV\r\n", voltage);
        myled = !myled;
        wait_ms(1000);
    }
}