Stanley Cohen / Mbed 2 deprecated blink_kl46z_but_interrupt_slider

button interrupt with LED's and slider/LCD display demo

Dependencies:   SLCD TSI mbed

Fork of blink_kl46z_button_nowait by Stanley Cohen

main.cpp@3:7e9670be412e, 2015-09-24 (annotated)

Committer:
scohennm
Date:
Thu Sep 24 15:00:13 2015 +0000
Revision:
3:7e9670be412e
Parent:
2:b49e5adf84df
Child:
4:db8f1d2ff809
NMHU, KL46Z, buttons, leds HW 5.2 starting

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 3:7e9670be412e 7 #define LBUT PTC12 // port addresses for buttons
scohennm 1:2688f68df85d 8 #define RBUT PTC3
scohennm 3:7e9670be412e 9 #define BLINKTIME 0.3 // in seconds
scohennm 3:7e9670be412e 10 #define BUTTONTIME 0.2
scohennm 2:b49e5adf84df 11 #define LCDCHARLEN 10
scohennm 2:b49e5adf84df 12 #define NUMMESS 2
scohennm 3:7e9670be412e 13
scohennm 3:7e9670be412e 14 #define PROGNAME "blink_kl46z_buttton no wait v2\r\n"
scohennm 0:e23fffd4b9a7 15
scohennm 0:e23fffd4b9a7 16 // slightly more interesting blinky 140814 sc
scohennm 2:b49e5adf84df 17 SLCD slcd; //define LCD display
scohennm 0:e23fffd4b9a7 18
scohennm 3:7e9670be412e 19 // Timer to elliminate wait() function
scohennm 3:7e9670be412e 20 Timer LEDTimer; // for blinking LEDs
scohennm 3:7e9670be412e 21 Timer ButtonTimer; // for reading button states
scohennm 1:2688f68df85d 22
scohennm 3:7e9670be412e 23 bool ledState = LEDON;
scohennm 3:7e9670be412e 24
scohennm 1:2688f68df85d 25 DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
scohennm 1:2688f68df85d 26 DigitalOut LEDs[NUMBUTS] = {LED_GREEN, LED_RED};
scohennm 1:2688f68df85d 27 Serial pc(USBTX, USBRX);// set up USB as communicationis to Host PC via USB connectons
scohennm 0:e23fffd4b9a7 28
scohennm 3:7e9670be412e 29 void allLEDsOff(){
scohennm 3:7e9670be412e 30 int i;
scohennm 3:7e9670be412e 31 for (i=0; i<NUMBUTS; i++){
scohennm 3:7e9670be412e 32 LEDs[i] = LEDOFF;
scohennm 3:7e9670be412e 33 }
scohennm 3:7e9670be412e 34 }
scohennm 3:7e9670be412e 35
scohennm 2:b49e5adf84df 36 void LCDMess(char *lMess){
scohennm 2:b49e5adf84df 37 slcd.Home();
scohennm 2:b49e5adf84df 38 slcd.clear();
scohennm 2:b49e5adf84df 39 slcd.printf(lMess);
scohennm 2:b49e5adf84df 40 }
scohennm 2:b49e5adf84df 41
scohennm 3:7e9670be412e 42 void initialize_global_vars(){
scohennm 3:7e9670be412e 43 pc.printf(PROGNAME);
scohennm 3:7e9670be412e 44 // set up DAQ timers
scohennm 3:7e9670be412e 45 ButtonTimer.start();
scohennm 3:7e9670be412e 46 ButtonTimer.reset();
scohennm 3:7e9670be412e 47 LEDTimer.start();
scohennm 3:7e9670be412e 48 LEDTimer.reset();
scohennm 3:7e9670be412e 49 allLEDsOff();
scohennm 3:7e9670be412e 50 }
scohennm 1:2688f68df85d 51 // --------------------------------
scohennm 3:7e9670be412e 52 int main() {
scohennm 1:2688f68df85d 53 int i;
scohennm 1:2688f68df85d 54 int currentLED = 0;
scohennm 2:b49e5adf84df 55
scohennm 3:7e9670be412e 56 initialize_global_vars(); //keep things organized
scohennm 3:7e9670be412e 57 LEDs[currentLED] = LEDON;
scohennm 3:7e9670be412e 58 // End of setup
scohennm 3:7e9670be412e 59
scohennm 0:e23fffd4b9a7 60 while(true) {
scohennm 3:7e9670be412e 61 if (ButtonTimer > BUTTONTIME){
scohennm 3:7e9670be412e 62 for (i=0; i<NUMBUTS; i++){ // index will be 0 or 1
scohennm 3:7e9670be412e 63 if(!buttons[i]) {
scohennm 3:7e9670be412e 64 allLEDsOff();
scohennm 3:7e9670be412e 65 currentLED = i;
scohennm 3:7e9670be412e 66 } // if ! buttons
scohennm 3:7e9670be412e 67 }// for loop to look at buttons
scohennm 3:7e9670be412e 68 ButtonTimer.reset();
scohennm 1:2688f68df85d 69 }
scohennm 3:7e9670be412e 70 if(LEDTimer.read() > BLINKTIME){
scohennm 3:7e9670be412e 71 LEDTimer.reset();
scohennm 3:7e9670be412e 72 ledState = !ledState; // Flip the general state
scohennm 3:7e9670be412e 73 LEDs[currentLED] = ledState;
scohennm 3:7e9670be412e 74 }
scohennm 3:7e9670be412e 75 // Do other things here between times of reading and flashing
scohennm 0:e23fffd4b9a7 76 }
scohennm 0:e23fffd4b9a7 77 }