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Dependencies:   SLCD mbed

Fork of blink_kl46z_button_LCD by Stanley Cohen

main.cpp@3:fc189dd7ac64, 2016-08-24 (annotated)

Committer:
scohennm
Date:
Wed Aug 24 16:37:09 2016 +0000
Revision:
3:fc189dd7ac64
Parent:
2:b49e5adf84df
Child:
4:1490375a8766
Demo that is loaded into KL46Z for class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:e23fffd4b9a7 1 #include "mbed.h"
scohennm 2:b49e5adf84df 2 #include "SLCD.h"
scohennm 2:b49e5adf84df 3
scohennm 0:e23fffd4b9a7 4 #define LEDON false
scohennm 0:e23fffd4b9a7 5 #define LEDOFF true
scohennm 1:2688f68df85d 6 #define NUMBUTS 2
scohennm 3:fc189dd7ac64 7 #define LBUT PTC12 // port addresses for buttons
scohennm 1:2688f68df85d 8 #define RBUT PTC3
scohennm 3:fc189dd7ac64 9 #define BLINKTIME 0.3 // in seconds
scohennm 3:fc189dd7ac64 10 #define BUTTONTIME 0.2
scohennm 2:b49e5adf84df 11 #define LCDCHARLEN 10
scohennm 2:b49e5adf84df 12 #define NUMMESS 2
scohennm 2:b49e5adf84df 13 #define LRED "RED"
scohennm 2:b49e5adf84df 14 #define LGREEN "GREN"
scohennm 2:b49e5adf84df 15 #define PRED "RED\r\n"
scohennm 2:b49e5adf84df 16 #define PGREEN "GREEN\r\n"
scohennm 3:fc189dd7ac64 17 #define PROGNAME "blink_kl46z_buttton LCD v2\r\n"
scohennm 0:e23fffd4b9a7 18
scohennm 0:e23fffd4b9a7 19 // slightly more interesting blinky 140814 sc
scohennm 2:b49e5adf84df 20 SLCD slcd; //define LCD display
scohennm 0:e23fffd4b9a7 21
scohennm 3:fc189dd7ac64 22 // Timer to elliminate wait() function
scohennm 3:fc189dd7ac64 23 Timer LEDTimer; // for blinking LEDs
scohennm 3:fc189dd7ac64 24 Timer ButtonTimer; // for reading button states
scohennm 1:2688f68df85d 25
scohennm 3:fc189dd7ac64 26 bool ledState = LEDON;
scohennm 3:fc189dd7ac64 27
scohennm 1:2688f68df85d 28 DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
scohennm 1:2688f68df85d 29 DigitalOut LEDs[NUMBUTS] = {LED_GREEN, LED_RED};
scohennm 1:2688f68df85d 30 Serial pc(USBTX, USBRX);// set up USB as communicationis to Host PC via USB connectons
scohennm 0:e23fffd4b9a7 31
scohennm 3:fc189dd7ac64 32 void allLEDsOff(){
scohennm 3:fc189dd7ac64 33 int i;
scohennm 3:fc189dd7ac64 34 for (i=0; i<NUMBUTS; i++){
scohennm 3:fc189dd7ac64 35 LEDs[i] = LEDOFF;
scohennm 3:fc189dd7ac64 36 }
scohennm 3:fc189dd7ac64 37 }
scohennm 3:fc189dd7ac64 38
scohennm 2:b49e5adf84df 39 void LCDMess(char *lMess){
scohennm 2:b49e5adf84df 40 slcd.Home();
scohennm 2:b49e5adf84df 41 slcd.clear();
scohennm 2:b49e5adf84df 42 slcd.printf(lMess);
scohennm 2:b49e5adf84df 43 }
scohennm 2:b49e5adf84df 44
scohennm 3:fc189dd7ac64 45 void initialize_global_vars(){
scohennm 3:fc189dd7ac64 46 pc.printf(PROGNAME);
scohennm 3:fc189dd7ac64 47 // set up DAQ timers
scohennm 3:fc189dd7ac64 48 ButtonTimer.start();
scohennm 3:fc189dd7ac64 49 ButtonTimer.reset();
scohennm 3:fc189dd7ac64 50 LEDTimer.start();
scohennm 3:fc189dd7ac64 51 LEDTimer.reset();
scohennm 3:fc189dd7ac64 52 allLEDsOff();
scohennm 3:fc189dd7ac64 53 }
scohennm 1:2688f68df85d 54 // --------------------------------
scohennm 3:fc189dd7ac64 55 int main() {
scohennm 1:2688f68df85d 56 int i;
scohennm 1:2688f68df85d 57 int currentLED = 0;
scohennm 3:fc189dd7ac64 58 char rMess[NUMMESS][LCDCHARLEN]={LGREEN, LRED}; // for LCD
scohennm 3:fc189dd7ac64 59 char pMess[NUMMESS][LCDCHARLEN]={PRED, PGREEN}; // for pc serial port
scohennm 3:fc189dd7ac64 60
scohennm 3:fc189dd7ac64 61 initialize_global_vars(); //keep things organized
scohennm 3:fc189dd7ac64 62 LEDs[currentLED] = LEDON;
scohennm 2:b49e5adf84df 63 LCDMess(rMess[currentLED]);
scohennm 2:b49e5adf84df 64 pc.printf(pMess[currentLED]);
scohennm 3:fc189dd7ac64 65 // End of setup
scohennm 0:e23fffd4b9a7 66 while(true) {
scohennm 3:fc189dd7ac64 67 if (ButtonTimer > BUTTONTIME){
scohennm 3:fc189dd7ac64 68 for (i=0; i<NUMBUTS; i++){ // index will be 0 or 1
scohennm 3:fc189dd7ac64 69 if(!buttons[i]) {
scohennm 3:fc189dd7ac64 70 allLEDsOff();
scohennm 3:fc189dd7ac64 71 LCDMess(rMess[i]);
scohennm 3:fc189dd7ac64 72 pc.printf(pMess[i]);
scohennm 3:fc189dd7ac64 73 currentLED = i;
scohennm 3:fc189dd7ac64 74 } // if ! buttons
scohennm 3:fc189dd7ac64 75 }// for loop to look at buttons
scohennm 3:fc189dd7ac64 76 ButtonTimer.reset();
scohennm 1:2688f68df85d 77 }
scohennm 3:fc189dd7ac64 78 if(LEDTimer.read() > BLINKTIME){
scohennm 3:fc189dd7ac64 79 LEDTimer.reset();
scohennm 3:fc189dd7ac64 80 ledState = !ledState; // Flip the general state
scohennm 3:fc189dd7ac64 81 LEDs[currentLED] = ledState;
scohennm 3:fc189dd7ac64 82 }
scohennm 3:fc189dd7ac64 83 // Do other things here between times of reading and flashing
scohennm 0:e23fffd4b9a7 84 }
scohennm 0:e23fffd4b9a7 85 }