Philip Timson / Mbed 2 deprecated Analog_Threshold_Detector

Simple program to set a detect LED for an analog signal input larger than a threshold.

Dependencies:   mbed

main.cpp

Committer:
philiptimson
Date:
2010-08-15
Revision:
0:2d75e8930b10

File content as of revision 0:2d75e8930b10:

#include "mbed.h"

DigitalOut detect(LED1);
DigitalOut peaked(LED2);
AnalogIn signal(p20);
#define threshold 0.5
#define peak 0.99

int main() {
    while (1) {
        printf("%f\n", signal.read());
        if (signal.read() > threshold) detect=1; //turn on detect LED if the signal is greater than the threshold
            else {detect=0;}
        if (signal.read() > peak) peaked=1; // turn on peaked LED if the signal is too high
            else peaked = 0;
        wait(0.01);
    }
}