ENSMM / Mbed 2 deprecated Analog_input

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Dependencies:   mbed

Fork of Analog_input by Joël Imbaud

main.cpp@0:bf01ecc78e6e, 2019-01-08 (annotated)

Committer:
jimbaud
Date:
Tue Jan 08 08:08:40 2019 +0000
Revision:
0:bf01ecc78e6e
Exemple of analog input using

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jimbaud 0:bf01ecc78e6e 1 // https://os.mbed.com/docs/v5.7/reference/analogin.html
jimbaud 0:bf01ecc78e6e 2
jimbaud 0:bf01ecc78e6e 3 #include "mbed.h"
jimbaud 0:bf01ecc78e6e 4 AnalogIn analog_value(A0);
jimbaud 0:bf01ecc78e6e 5 DigitalOut led(LED1);
jimbaud 0:bf01ecc78e6e 6
jimbaud 0:bf01ecc78e6e 7 int main() {
jimbaud 0:bf01ecc78e6e 8 float meas;
jimbaud 0:bf01ecc78e6e 9 printf("\nAnalogIn example\n");
jimbaud 0:bf01ecc78e6e 10
jimbaud 0:bf01ecc78e6e 11 while(1) {
jimbaud 0:bf01ecc78e6e 12 meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
jimbaud 0:bf01ecc78e6e 13 meas = meas * 3300; // Change the value to be in the 0 to 3300 range
jimbaud 0:bf01ecc78e6e 14 printf("measure = %.0f mV\n", meas);
jimbaud 0:bf01ecc78e6e 15
jimbaud 0:bf01ecc78e6e 16 if (meas > 2000) { // If the value is greater than 2V then switch the LED on
jimbaud 0:bf01ecc78e6e 17 led = 1;
jimbaud 0:bf01ecc78e6e 18 }
jimbaud 0:bf01ecc78e6e 19 else {
jimbaud 0:bf01ecc78e6e 20 led = 0;
jimbaud 0:bf01ecc78e6e 21 }
jimbaud 0:bf01ecc78e6e 22 wait(0.2); // 200 ms
jimbaud 0:bf01ecc78e6e 23 }
jimbaud 0:bf01ecc78e6e 24 }