Charles Tritt / Mbed 2 deprecated CE_T_Read

Initial version. Output needs to be converted to deg. C (from A to D count).

Dependencies:   mbed

main.cpp@0:c1405e7fbed3, 2018-03-16 (annotated)

Committer:
CSTritt
Date:
Fri Mar 16 19:33:27 2018 +0000
Revision:
0:c1405e7fbed3
Initial version. Output in counts. I plan to change this to deg. C in a later version. Working. Created as a blank project and then fixed to bring in mbed.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CSTritt 0:c1405e7fbed3 1 /*
CSTritt 0:c1405e7fbed3 2 Project: CE_Temp_Read
CSTritt 0:c1405e7fbed3 3 File: main.cpp
CSTritt 0:c1405e7fbed3 4
CSTritt 0:c1405e7fbed3 5 Reads from analog input, streams ASCII text to std serial using printf and
CSTritt 0:c1405e7fbed3 6 lights onboard LED. Also demonstrates use of floating point literal suffix
CSTritt 0:c1405e7fbed3 7 toeliminate warning and int constants for HIGH and LOW.
CSTritt 0:c1405e7fbed3 8
CSTritt 0:c1405e7fbed3 9 Written by: Dr. C. S. Tritt
CSTritt 0:c1405e7fbed3 10 Created: 3/14/18 (v. 0.9)
CSTritt 0:c1405e7fbed3 11
CSTritt 0:c1405e7fbed3 12 */
CSTritt 0:c1405e7fbed3 13 #include "mbed.h"
CSTritt 0:c1405e7fbed3 14
CSTritt 0:c1405e7fbed3 15 const int SIZE = 20;
CSTritt 0:c1405e7fbed3 16 const float PAUSE = 0.001;
CSTritt 0:c1405e7fbed3 17 const float INTERVAL = 0.5;
CSTritt 0:c1405e7fbed3 18
CSTritt 0:c1405e7fbed3 19 AnalogIn analog_value(PB_0); // Same as A3
CSTritt 0:c1405e7fbed3 20
CSTritt 0:c1405e7fbed3 21 DigitalOut led(LED1);
CSTritt 0:c1405e7fbed3 22
CSTritt 0:c1405e7fbed3 23 int main() {
CSTritt 0:c1405e7fbed3 24 float value; // Value to be read and sent to serial port.
CSTritt 0:c1405e7fbed3 25
CSTritt 0:c1405e7fbed3 26 printf("\nCE Dev Board Temperature Read\n");
CSTritt 0:c1405e7fbed3 27 led = 0;
CSTritt 0:c1405e7fbed3 28
CSTritt 0:c1405e7fbed3 29 while(true) {
CSTritt 0:c1405e7fbed3 30 int i = 0;
CSTritt 0:c1405e7fbed3 31 float sum = 0.0;
CSTritt 0:c1405e7fbed3 32 while (i < (SIZE - 1)) {
CSTritt 0:c1405e7fbed3 33 value = analog_value.read(); // Read the analog input value (0 to 1).
CSTritt 0:c1405e7fbed3 34 sum = sum + value;
CSTritt 0:c1405e7fbed3 35 i++;
CSTritt 0:c1405e7fbed3 36 wait(PAUSE);
CSTritt 0:c1405e7fbed3 37 }
CSTritt 0:c1405e7fbed3 38 float aveValue = sum/(float) SIZE;
CSTritt 0:c1405e7fbed3 39 printf("Value = %f\n", aveValue); // Send value as text via serial port.
CSTritt 0:c1405e7fbed3 40 led = !led;
CSTritt 0:c1405e7fbed3 41 wait(INTERVAL);
CSTritt 0:c1405e7fbed3 42 }
CSTritt 0:c1405e7fbed3 43 }