彥隆 鄭 / Mbed 2 deprecated Nucleo_read_analog_value

Read an analog value using ADC.

Dependencies:   mbed

main.cpp

Committer:
bcostm
Date:
2014-02-21
Revision:
0:c2d1ad5059da
Child:
1:0490a15c76e4

File content as of revision 0:c2d1ad5059da:

#include "mbed.h"
 
AnalogIn analog_value(A0);
 
DigitalOut myled(LED1);
 
// Calculate the corresponding acquisition measure for a given value in mV
#define MV(x) ((0xFFF*x)/3300)
 
int main() {
    while(1) {      
        uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value
        if (meas > MV(1000)) { // If the value is greater than 1000 mV toggle the LED
          myled = !myled;
        }
        wait(0.2); // 200 ms
    }
}