alex alex / Mbed 2 deprecated ADC4Home

AnamogInProblem

Dependencies:   mbed

main.cpp@0:8fcaa7a45711, 2015-02-15 (annotated)

Committer:
alexlungu10
Date:
Sun Feb 15 15:12:01 2015 +0000
Revision:
0:8fcaa7a45711
AnalonInProblem

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alexlungu10 0:8fcaa7a45711 1 #include <stdio.h>
alexlungu10 0:8fcaa7a45711 2 #include "mbed.h"
alexlungu10 0:8fcaa7a45711 3 Serial pc(USBTX, USBRX);
alexlungu10 0:8fcaa7a45711 4 AnalogIn analogValue(A2);
alexlungu10 0:8fcaa7a45711 5 DigitalIn userButton(USER_BUTTON);
alexlungu10 0:8fcaa7a45711 6 DigitalOut led(LED1);
alexlungu10 0:8fcaa7a45711 7
alexlungu10 0:8fcaa7a45711 8 // Calculate the corresponding acquisition measure for a given value in mV
alexlungu10 0:8fcaa7a45711 9 #define MV(x) ((0xFFF*x)/3300)
alexlungu10 0:8fcaa7a45711 10
alexlungu10 0:8fcaa7a45711 11 int main( void) {
alexlungu10 0:8fcaa7a45711 12 led = 0;
alexlungu10 0:8fcaa7a45711 13 pc.baud(9600);
alexlungu10 0:8fcaa7a45711 14 int count = 0;
alexlungu10 0:8fcaa7a45711 15 bool enFlag = true;
alexlungu10 0:8fcaa7a45711 16 while (1) {
alexlungu10 0:8fcaa7a45711 17
alexlungu10 0:8fcaa7a45711 18 count++;
alexlungu10 0:8fcaa7a45711 19 if (userButton == 0) {
alexlungu10 0:8fcaa7a45711 20 enFlag = (enFlag == true) ? false : true;
alexlungu10 0:8fcaa7a45711 21 //pc.close();
alexlungu10 0:8fcaa7a45711 22 }
alexlungu10 0:8fcaa7a45711 23 if (enFlag) {
alexlungu10 0:8fcaa7a45711 24 unsigned short meas = (analogValue.read_u16());
alexlungu10 0:8fcaa7a45711 25 //float fl = analogValue.read() * 3300;
alexlungu10 0:8fcaa7a45711 26 //float final = (float) 3300* (float) meas / 65535 ; // normal 0.0008 or 3.3v-3300mV 0,8058608058608059 3300/4095
alexlungu10 0:8fcaa7a45711 27 pc.printf("%d; 16bit %hu val in mV: %d \n", count,
alexlungu10 0:8fcaa7a45711 28 meas, ((meas * 3300) / 0xFFFF)); //, (int) fl);
alexlungu10 0:8fcaa7a45711 29
alexlungu10 0:8fcaa7a45711 30 }
alexlungu10 0:8fcaa7a45711 31
alexlungu10 0:8fcaa7a45711 32 led = !led;
alexlungu10 0:8fcaa7a45711 33
alexlungu10 0:8fcaa7a45711 34 wait(1.5f);
alexlungu10 0:8fcaa7a45711 35 }
alexlungu10 0:8fcaa7a45711 36 return 0;
alexlungu10 0:8fcaa7a45711 37 }