AnnaLouise Martinez / Mbed 2 deprecated kl46z_stop_watch_v2

AMart_SSD341_hw9.2

Dependencies:   SLCD mbed

Fork of kl46z_stop_watch_v2 by Stanley Cohen

main.cpp@2:de155cad0909, 2016-10-19 (annotated)

Committer:
annalou
Date:
Wed Oct 19 04:36:35 2016 +0000
Revision:
2:de155cad0909
Parent:
1:0d13b6d7907f 
AMartSSD341_hw9.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:04499bc54bee 1 #include "mbed.h"
annalou 2:de155cad0909 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
annalou 2:de155cad0909 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
annalou 2:de155cad0909 32 void initialize_global_vars()
annalou 2:de155cad0909 33 {
scohennm 1:0d13b6d7907f 34 pc.printf(PROGNAME);
scohennm 1:0d13b6d7907f 35 // set up DAQ timer
scohennm 1:0d13b6d7907f 36 // set up DAQ timers
scohennm 1:0d13b6d7907f 37 ButtonTimer.start();
annalou 2:de155cad0909 38 ButtonTimer.reset();
annalou 2:de155cad0909 39 }
scohennm 0:04499bc54bee 40
annalou 2:de155cad0909 41 void LCDMess(char *lMess)
annalou 2:de155cad0909 42 {
annalou 2:de155cad0909 43 slcd.Home();
annalou 2:de155cad0909 44 slcd.clear();
annalou 2:de155cad0909 45 slcd.printf(lMess);
scohennm 0:04499bc54bee 46 }
annalou 2:de155cad0909 47 void showTitle()
annalou 2:de155cad0909 48 {
scohennm 1:0d13b6d7907f 49 LCDMess(LCDTITLE);
scohennm 1:0d13b6d7907f 50 wait(TITLEWAIT);
scohennm 1:0d13b6d7907f 51 return;
scohennm 1:0d13b6d7907f 52 }
annalou 2:de155cad0909 53 int main(void)
annalou 2:de155cad0909 54 {
scohennm 1:0d13b6d7907f 55 int i;
scohennm 0:04499bc54bee 56 char lcdData[LCDCHARLEN];
scohennm 0:04499bc54bee 57 PwmOut gled(LED_GREEN);
scohennm 0:04499bc54bee 58 PwmOut rled(LED_RED);
scohennm 0:04499bc54bee 59 pc.printf(PROGNAME);
scohennm 1:0d13b6d7907f 60 float secondsCount = 0.0;
scohennm 1:0d13b6d7907f 61 int minutesCount; // for displaying mininuts
scohennm 1:0d13b6d7907f 62 int seconds; //
scohennm 1:0d13b6d7907f 63 int fifthSeconds;
scohennm 1:0d13b6d7907f 64 bool statetoggle = false; //was in stopped state.
annalou 2:de155cad0909 65
scohennm 1:0d13b6d7907f 66 initialize_global_vars();
scohennm 1:0d13b6d7907f 67 showTitle();
scohennm 0:04499bc54bee 68
annalou 2:de155cad0909 69 while (true) {
annalou 2:de155cad0909 70 if (ButtonTimer > BUTTONTIME) {
annalou 2:de155cad0909 71 for (i=0; i<NUMBUTS; i++) { // index will be 0 or 1
scohennm 1:0d13b6d7907f 72 if(!buttons[i]) { // a buttton is pressed
annalou 2:de155cad0909 73 displayState = i;
scohennm 1:0d13b6d7907f 74 } // if ! buttons
annalou 2:de155cad0909 75 else{
annalou 2:de155cad0909 76 if(!buttons[i]){
annalou 2:de155cad0909 77 {
annalou 2:de155cad0909 78 if(!buttons[i + 1]){
annalou 2:de155cad0909 79 displayState = 2;
annalou 2:de155cad0909 80 }
annalou 2:de155cad0909 81 if(!buttons[i-1]){
annalou 2:de155cad0909 82 displayState = 2;
annalou 2:de155cad0909 83 } }
annalou 2:de155cad0909 84 }
annalou 2:de155cad0909 85 }
scohennm 1:0d13b6d7907f 86 }// for loop to look at buttons
annalou 2:de155cad0909 87
scohennm 1:0d13b6d7907f 88 switch (displayState){
scohennm 1:0d13b6d7907f 89 case RESETTINGSTATE:
scohennm 1:0d13b6d7907f 90 if (!statetoggle){
scohennm 1:0d13b6d7907f 91 secondsCount = 0;
scohennm 1:0d13b6d7907f 92 displayState = TIMINGSTATE;
scohennm 1:0d13b6d7907f 93 }
scohennm 1:0d13b6d7907f 94 rled = 0.0;
scohennm 1:0d13b6d7907f 95 gled = 1.0;
scohennm 1:0d13b6d7907f 96 break;
scohennm 1:0d13b6d7907f 97 case TIMINGSTATE : {
annalou 2:de155cad0909 98 statetoggle = !statetoggle;
scohennm 1:0d13b6d7907f 99 if(statetoggle){
annalou 2:de155cad0909 100 secondsCount = secondsCount + BUTTONTIME;
annalou 2:de155cad0909 101 }
scohennm 1:0d13b6d7907f 102 rled = 1.0;
scohennm 1:0d13b6d7907f 103 gled = 0.0;
scohennm 1:0d13b6d7907f 104 break;
scohennm 1:0d13b6d7907f 105 }
annalou 2:de155cad0909 106 case STOPPEDSTATE : {
annalou 2:de155cad0909 107
annalou 2:de155cad0909 108 displayState = RESETTINGSTATE;
annalou 2:de155cad0909 109
annalou 2:de155cad0909 110 rled = 0.0;
annalou 2:de155cad0909 111 gled = 1.0;
annalou 2:de155cad0909 112 break;
annalou 2:de155cad0909 113 }
scohennm 1:0d13b6d7907f 114 }
annalou 2:de155cad0909 115 ButtonTimer.reset();
scohennm 1:0d13b6d7907f 116 // Parse the seconds
scohennm 1:0d13b6d7907f 117 seconds = (int)secondsCount; // make seconds "mask"
scohennm 1:0d13b6d7907f 118 fifthSeconds = (int)((secondsCount - (float)seconds) * 10); // the 0.2 seconds
scohennm 1:0d13b6d7907f 119 minutesCount = seconds / FULLMINUTE;
annalou 2:de155cad0909 120 seconds = seconds % FULLMINUTE;
annalou 2:de155cad0909 121 sprintf (lcdData,"\r\n%1d.%02d.%1d \r\n",minutesCount,seconds,fifthSeconds);
annalou 2:de155cad0909 122 pc.printf (lcdData,"\r\n%1d.%02d.%1d","\r\n",minutesCount,seconds,fifthSeconds);
annalou 2:de155cad0909 123 LCDMess(lcdData);
scohennm 1:0d13b6d7907f 124 }// end Button timer
scohennm 0:04499bc54bee 125 }
annalou 2:de155cad0909 126 }