Keisha Brathwaite / Mbed 2 deprecated KBrat-SSD541-Midterm-Q2a-1

KBrat-SSD541-Midterm-Q2a

Dependencies:   SLCD TSI mbed

Fork of KBrat-SSD541-Midterm-Q2a by Keisha Brathwaite

main.cpp@1:44dcf262c7dd, 2016-10-01 (annotated)

Committer:
scohennm
Date:
Sat Oct 01 22:10:10 2016 +0000
Revision:
1:44dcf262c7dd
Parent:
0:04499bc54bee
Child:
2:8b60d4eb7388
Basis program for midterm Q2 AAA Fall 2016

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:04499bc54bee 1 #include "mbed.h"
scohennm 1:44dcf262c7dd 2 #include <math.h>
scohennm 0:04499bc54bee 3 #include "TSISensor.h"
scohennm 0:04499bc54bee 4 #include "SLCD.h"
scohennm 1:44dcf262c7dd 5
scohennm 1:44dcf262c7dd 6 #define LEDON false
scohennm 1:44dcf262c7dd 7 #define LEDOFF true
scohennm 1:44dcf262c7dd 8 #define NUMBUTS 2
scohennm 1:44dcf262c7dd 9 #define LBUT PTC12 // port addresses for buttons
scohennm 1:44dcf262c7dd 10 #define RBUT PTC3
scohennm 1:44dcf262c7dd 11 #define ARGUMENTSTATE 0
scohennm 1:44dcf262c7dd 12 #define ANSWERSTATE 1
scohennm 1:44dcf262c7dd 13 #define TSILIMIT 0.01
scohennm 1:44dcf262c7dd 14 #define PRINTDELTA 0.01
scohennm 0:04499bc54bee 15 #define LCDCHARLEN 10
scohennm 0:04499bc54bee 16 #define DATAINTERVAL 0.1
scohennm 1:44dcf262c7dd 17 #define BUTTONTIME 0.1
scohennm 1:44dcf262c7dd 18 #define PROGNAME "kl46z_slider_mid_v1\n\r"
scohennm 0:04499bc54bee 19
scohennm 0:04499bc54bee 20 SLCD slcd; //define LCD display
scohennm 0:04499bc54bee 21 Serial pc(USBTX, USBRX);
scohennm 0:04499bc54bee 22
scohennm 1:44dcf262c7dd 23 Timer dataTimer;
scohennm 1:44dcf262c7dd 24 Timer ButtonTimer; // for reading button states
scohennm 1:44dcf262c7dd 25 DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
scohennm 0:04499bc54bee 26 float tsidata;
scohennm 1:44dcf262c7dd 27 int displayState;
scohennm 1:44dcf262c7dd 28
scohennm 1:44dcf262c7dd 29 void initialize_global_vars(){
scohennm 1:44dcf262c7dd 30 pc.printf(PROGNAME);
scohennm 1:44dcf262c7dd 31 // set up DAQ timers
scohennm 1:44dcf262c7dd 32 ButtonTimer.start();
scohennm 1:44dcf262c7dd 33 ButtonTimer.reset();
scohennm 1:44dcf262c7dd 34 dataTimer.start();
scohennm 1:44dcf262c7dd 35 dataTimer.reset();
scohennm 1:44dcf262c7dd 36 }
scohennm 0:04499bc54bee 37
scohennm 0:04499bc54bee 38 void LCDMess(char *lMess){
scohennm 0:04499bc54bee 39 slcd.Home();
scohennm 0:04499bc54bee 40 slcd.clear();
scohennm 0:04499bc54bee 41 slcd.printf(lMess);
scohennm 0:04499bc54bee 42 }
scohennm 0:04499bc54bee 43
scohennm 0:04499bc54bee 44 int main(void) {
scohennm 1:44dcf262c7dd 45 int i;
scohennm 0:04499bc54bee 46 char lcdData[LCDCHARLEN];
scohennm 1:44dcf262c7dd 47 float lastTouch = 0.0;
scohennm 1:44dcf262c7dd 48 TSISensor tsi;
scohennm 1:44dcf262c7dd 49 float tempTSI;
scohennm 0:04499bc54bee 50 PwmOut gled(LED_GREEN);
scohennm 0:04499bc54bee 51 PwmOut rled(LED_RED);
scohennm 1:44dcf262c7dd 52
scohennm 1:44dcf262c7dd 53 initialize_global_vars();
scohennm 0:04499bc54bee 54
scohennm 0:04499bc54bee 55 while (true) {
scohennm 1:44dcf262c7dd 56 if (ButtonTimer > BUTTONTIME){
scohennm 1:44dcf262c7dd 57 for (i=0; i<NUMBUTS; i++){ // index will be 0 or 1
scohennm 1:44dcf262c7dd 58 if(!buttons[i]) {
scohennm 1:44dcf262c7dd 59 displayState = i;
scohennm 1:44dcf262c7dd 60 // do something here.
scohennm 1:44dcf262c7dd 61
scohennm 1:44dcf262c7dd 62 } // if ! buttons
scohennm 1:44dcf262c7dd 63 }// for loop to look at buttons
scohennm 1:44dcf262c7dd 64 ButtonTimer.reset();
scohennm 1:44dcf262c7dd 65 sprintf (lcdData,"%0.4f",tsidata);
scohennm 1:44dcf262c7dd 66 LCDMess(lcdData);
scohennm 0:04499bc54bee 67 rled = 0.0;
scohennm 1:44dcf262c7dd 68 gled = 1.0;
scohennm 1:44dcf262c7dd 69
scohennm 0:04499bc54bee 70 }
scohennm 1:44dcf262c7dd 71 if(dataTimer.read() > DATAINTERVAL){
scohennm 1:44dcf262c7dd 72 dataTimer.reset();
scohennm 1:44dcf262c7dd 73 tempTSI = tsi.readPercentage();
scohennm 1:44dcf262c7dd 74 if (tempTSI > TSILIMIT){
scohennm 1:44dcf262c7dd 75 tsidata = tempTSI;
scohennm 1:44dcf262c7dd 76 if (fabs(tsidata - lastTouch)> PRINTDELTA){
scohennm 1:44dcf262c7dd 77 pc.printf("Position %0.4f\n\r", tsidata);
scohennm 1:44dcf262c7dd 78 }
scohennm 1:44dcf262c7dd 79 }
scohennm 1:44dcf262c7dd 80 lastTouch=tsidata;
scohennm 1:44dcf262c7dd 81 }
scohennm 0:04499bc54bee 82 }
scohennm 0:04499bc54bee 83 }