Shane Barton / Mbed 2 deprecated sbart_stop_watch

SBart-SSD341-HW9.2

Dependencies:   SLCD mbed

Fork of kl46z_stop_watch_v2 by Stanley Cohen

main.cpp@2:375f524a171d, 2016-10-19 (annotated)

Committer:
sbart
Date:
Wed Oct 19 05:03:14 2016 +0000
Revision:
2:375f524a171d
Parent:
1:0d13b6d7907f 
SBart-HW-9.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:04499bc54bee 1 #include "mbed.h"
scohennm 1:0d13b6d7907f 2 #include <math.h>
scohennm 0:04499bc54bee 3 #include "SLCD.h"
scohennm 1:0d13b6d7907f 4
scohennm 1:0d13b6d7907f 5 #define LEDON false
scohennm 1:0d13b6d7907f 6 #define LEDOFF true
scohennm 1:0d13b6d7907f 7 #define NUMBUTS 2
scohennm 1:0d13b6d7907f 8 #define LBUT PTC12 // port addresses for buttons
scohennm 1:0d13b6d7907f 9 #define RBUT PTC3
scohennm 1:0d13b6d7907f 10 #define STOPPEDSTATE 0
scohennm 1:0d13b6d7907f 11 #define TIMINGSTATE 1
sbart 2:375f524a171d 12 #define RESETTINGSTATE 2
scohennm 1:0d13b6d7907f 13 #define PRINTDELTA 0.01
scohennm 0:04499bc54bee 14 #define LCDCHARLEN 10
scohennm 1:0d13b6d7907f 15 #define BUTTONTIME 0.2
scohennm 1:0d13b6d7907f 16 #define FULLMINUTE 60 //seconds
scohennm 1:0d13b6d7907f 17 #define PROGNAME "kl46z_stop_watch_v1\n\r"
scohennm 1:0d13b6d7907f 18 #define LCDTITLE "STPW"
scohennm 1:0d13b6d7907f 19 #define TITLEWAIT 2.0
scohennm 1:0d13b6d7907f 20
scohennm 1:0d13b6d7907f 21 //#define PRINTDBUG // uncomment if printing to serial port desired
scohennm 0:04499bc54bee 22
scohennm 0:04499bc54bee 23 SLCD slcd; //define LCD display
scohennm 0:04499bc54bee 24 Serial pc(USBTX, USBRX);
scohennm 0:04499bc54bee 25
scohennm 1:0d13b6d7907f 26 Timer ButtonTimer; // for reading button states
scohennm 1:0d13b6d7907f 27 DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
scohennm 1:0d13b6d7907f 28 int displayState = STOPPEDSTATE;
scohennm 1:0d13b6d7907f 29
scohennm 1:0d13b6d7907f 30
scohennm 1:0d13b6d7907f 31
scohennm 1:0d13b6d7907f 32 void initialize_global_vars(){
scohennm 1:0d13b6d7907f 33 pc.printf(PROGNAME);
scohennm 1:0d13b6d7907f 34 // set up DAQ timer
scohennm 1:0d13b6d7907f 35 // set up DAQ timers
scohennm 1:0d13b6d7907f 36 ButtonTimer.start();
scohennm 1:0d13b6d7907f 37 ButtonTimer.reset();
scohennm 1:0d13b6d7907f 38 }
scohennm 0:04499bc54bee 39
scohennm 0:04499bc54bee 40 void LCDMess(char *lMess){
scohennm 0:04499bc54bee 41 slcd.Home();
scohennm 0:04499bc54bee 42 slcd.clear();
scohennm 0:04499bc54bee 43 slcd.printf(lMess);
scohennm 0:04499bc54bee 44 }
scohennm 1:0d13b6d7907f 45 void showTitle(){
scohennm 1:0d13b6d7907f 46 LCDMess(LCDTITLE);
scohennm 1:0d13b6d7907f 47 wait(TITLEWAIT);
scohennm 1:0d13b6d7907f 48 return;
scohennm 1:0d13b6d7907f 49 }
sbart 2:375f524a171d 50
scohennm 0:04499bc54bee 51 int main(void) {
scohennm 1:0d13b6d7907f 52 int i;
scohennm 0:04499bc54bee 53 char lcdData[LCDCHARLEN];
scohennm 0:04499bc54bee 54 PwmOut gled(LED_GREEN);
scohennm 0:04499bc54bee 55 PwmOut rled(LED_RED);
scohennm 0:04499bc54bee 56 pc.printf(PROGNAME);
scohennm 1:0d13b6d7907f 57 float secondsCount = 0.0;
scohennm 1:0d13b6d7907f 58 int minutesCount; // for displaying mininuts
scohennm 1:0d13b6d7907f 59 int seconds; //
scohennm 1:0d13b6d7907f 60 int fifthSeconds;
scohennm 1:0d13b6d7907f 61 bool statetoggle = false; //was in stopped state.
scohennm 1:0d13b6d7907f 62
scohennm 1:0d13b6d7907f 63 initialize_global_vars();
scohennm 1:0d13b6d7907f 64 showTitle();
scohennm 0:04499bc54bee 65
scohennm 0:04499bc54bee 66 while (true) {
sbart 2:375f524a171d 67 bool rbut_pressed = false;
sbart 2:375f524a171d 68 bool lbut_pressed = false;
sbart 2:375f524a171d 69
scohennm 1:0d13b6d7907f 70 if (ButtonTimer > BUTTONTIME){
sbart 2:375f524a171d 71 if(LBUT) {
sbart 2:375f524a171d 72 displayState = TIMINGSTATE;
sbart 2:375f524a171d 73 lbut_pressed = true;
sbart 2:375f524a171d 74 }
sbart 2:375f524a171d 75 else if(RBUT) {
sbart 2:375f524a171d 76 displayState = STOPPEDSTATE;
sbart 2:375f524a171d 77 rbut_pressed = true;
sbart 2:375f524a171d 78 }
sbart 2:375f524a171d 79
sbart 2:375f524a171d 80 if(lbut_pressed == true && rbut_pressed == true) {
sbart 2:375f524a171d 81 displayState = RESETTINGSTATE;
sbart 2:375f524a171d 82 }
sbart 2:375f524a171d 83
scohennm 1:0d13b6d7907f 84 ButtonTimer.reset();
scohennm 1:0d13b6d7907f 85 switch (displayState){
sbart 2:375f524a171d 86 //this goes away
scohennm 1:0d13b6d7907f 87 case STOPPEDSTATE : {
scohennm 1:0d13b6d7907f 88 rled = 0.0;
scohennm 1:0d13b6d7907f 89 gled = 1.0;
scohennm 1:0d13b6d7907f 90 break;
scohennm 1:0d13b6d7907f 91 }
scohennm 1:0d13b6d7907f 92 case RESETTINGSTATE:
sbart 2:375f524a171d 93 secondsCount = 0;
sbart 2:375f524a171d 94 displayState = STOPPEDSTATE;
scohennm 1:0d13b6d7907f 95 rled = 0.0;
scohennm 1:0d13b6d7907f 96 gled = 1.0;
scohennm 1:0d13b6d7907f 97 break;
scohennm 1:0d13b6d7907f 98
scohennm 1:0d13b6d7907f 99
scohennm 1:0d13b6d7907f 100 case TIMINGSTATE : {
sbart 2:375f524a171d 101 secondsCount = secondsCount + BUTTONTIME;
scohennm 1:0d13b6d7907f 102 rled = 1.0;
scohennm 1:0d13b6d7907f 103 gled = 0.0;
scohennm 1:0d13b6d7907f 104 break;
scohennm 1:0d13b6d7907f 105 }
scohennm 1:0d13b6d7907f 106 }
scohennm 1:0d13b6d7907f 107
scohennm 1:0d13b6d7907f 108 // Parse the seconds
scohennm 1:0d13b6d7907f 109 seconds = (int)secondsCount; // make seconds "mask"
scohennm 1:0d13b6d7907f 110 fifthSeconds = (int)((secondsCount - (float)seconds) * 10); // the 0.2 seconds
scohennm 1:0d13b6d7907f 111 minutesCount = seconds / FULLMINUTE;
scohennm 1:0d13b6d7907f 112 seconds = seconds % FULLMINUTE;
scohennm 1:0d13b6d7907f 113 sprintf (lcdData,"%1d.%02d.%1d",minutesCount,seconds,fifthSeconds);
scohennm 1:0d13b6d7907f 114 LCDMess(lcdData);
scohennm 1:0d13b6d7907f 115 }// end Button timer
scohennm 0:04499bc54bee 116 }
scohennm 0:04499bc54bee 117 }