Nikola Cvetković / Mbed 2 deprecated 19E042PIM_V2_Z4

Definisanje vise prekidnih rutina

Dependencies:   mbed

main.cpp@1:4b541496f679, 2021-11-11 (annotated)

Committer:
tzwell
Date:
Thu Nov 11 19:17:33 2021 +0000
Revision:
1:4b541496f679
Parent:
0:bda289aee5eb 
Added interrupt priority demonstration;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tzwell 0:bda289aee5eb 1 /*
tzwell 0:bda289aee5eb 2 * Primer koriscenja prekida za STM32L476RG, napisan
tzwell 0:bda289aee5eb 3 * koristeci mbed.h biblioteku.
tzwell 0:bda289aee5eb 4 *
tzwell 0:bda289aee5eb 5 * Katedra za Elektroniku i digitalne sisteme
tzwell 0:bda289aee5eb 6 * Elektrotehnicki fakultet
tzwell 0:bda289aee5eb 7 * Beograd
tzwell 0:bda289aee5eb 8 *
tzwell 0:bda289aee5eb 9 * Oktobar 2021.
tzwell 0:bda289aee5eb 10 *
tzwell 0:bda289aee5eb 11 */
tzwell 0:bda289aee5eb 12
tzwell 0:bda289aee5eb 13 /*
tzwell 0:bda289aee5eb 14 * Biblioteke za uvoz:
tzwell 0:bda289aee5eb 15 */
tzwell 0:bda289aee5eb 16 #include "mbed.h"
tzwell 0:bda289aee5eb 17
tzwell 0:bda289aee5eb 18 /*
tzwell 0:bda289aee5eb 19 * Definisanje makroa:
tzwell 0:bda289aee5eb 20 */
tzwell 1:4b541496f679 21
tzwell 1:4b541496f679 22 // Sledeci kod otkomentarisati
tzwell 1:4b541496f679 23 // da bi se videla demonstracija prioriteta prekida.
tzwell 1:4b541496f679 24 /*
tzwell 1:4b541496f679 25 #define ON_TIME 2
tzwell 1:4b541496f679 26 #define LED_ON 1
tzwell 1:4b541496f679 27 #define LED_OFF 0
tzwell 1:4b541496f679 28 */
tzwell 0:bda289aee5eb 29
tzwell 0:bda289aee5eb 30 /*
tzwell 0:bda289aee5eb 31 * Globalne promenljive:
tzwell 0:bda289aee5eb 32 */
tzwell 0:bda289aee5eb 33 InterruptIn button_sw2 (PC_8); // Kreiranje promenljive tastera SW2
tzwell 0:bda289aee5eb 34 InterruptIn button_sw1 (PC_9); // Kreiranje promenljive tastera SW1
tzwell 0:bda289aee5eb 35 DigitalOut led2_mb (PB_15); // Kreiranje promenljive diode LED2
tzwell 0:bda289aee5eb 36 DigitalOut led1_mb (PA_11); // Kreiranje promenljive diode LED1
tzwell 0:bda289aee5eb 37
tzwell 0:bda289aee5eb 38 /*
tzwell 0:bda289aee5eb 39 * Deklaracija funkcija:
tzwell 0:bda289aee5eb 40 */
tzwell 0:bda289aee5eb 41 void ISR_button_sw1 (void);
tzwell 0:bda289aee5eb 42 void ISR_button_sw2 (void);
tzwell 0:bda289aee5eb 43
tzwell 0:bda289aee5eb 44 /*
tzwell 0:bda289aee5eb 45 * Glavna funkcija:
tzwell 0:bda289aee5eb 46 */
tzwell 0:bda289aee5eb 47 int main()
tzwell 0:bda289aee5eb 48 {
tzwell 0:bda289aee5eb 49 // Inicijalizacija lokalnih promenljivih:
tzwell 0:bda289aee5eb 50 // Ukljucivanje prekida na silaznu ivicu pinova tastera SW1 i SW2:
tzwell 0:bda289aee5eb 51 button_sw2.fall(&ISR_button_sw2);
tzwell 0:bda289aee5eb 52 button_sw1.fall(&ISR_button_sw1);
tzwell 0:bda289aee5eb 53
tzwell 0:bda289aee5eb 54 // Funkcije koje se jedanput izvrsavaju:
tzwell 0:bda289aee5eb 55
tzwell 0:bda289aee5eb 56 // Glavna petlja:
tzwell 0:bda289aee5eb 57 while(true);
tzwell 0:bda289aee5eb 58 }
tzwell 0:bda289aee5eb 59
tzwell 0:bda289aee5eb 60
tzwell 0:bda289aee5eb 61 /*
tzwell 0:bda289aee5eb 62 * Definicija funkcija:
tzwell 0:bda289aee5eb 63 */
tzwell 0:bda289aee5eb 64 // Prekidna rutina tastera:
tzwell 0:bda289aee5eb 65 void ISR_button_sw1()
tzwell 0:bda289aee5eb 66 {
tzwell 0:bda289aee5eb 67 led1_mb = !led1_mb;
tzwell 1:4b541496f679 68 // Prethodnu liniju zakomentarisati, a sledeci kod otkomentarisati
tzwell 1:4b541496f679 69 // da bi se videla demonstracija prioriteta prekida.
tzwell 1:4b541496f679 70 /*
tzwell 1:4b541496f679 71 led1_mb.write(LED_ON);
tzwell 1:4b541496f679 72 wait(ON_TIME);
tzwell 1:4b541496f679 73 led1_mb.write(LED_OFF);
tzwell 1:4b541496f679 74 */
tzwell 0:bda289aee5eb 75 }
tzwell 0:bda289aee5eb 76 void ISR_button_sw2()
tzwell 0:bda289aee5eb 77 {
tzwell 0:bda289aee5eb 78 led2_mb = !led2_mb;
tzwell 1:4b541496f679 79 // Prethodnu liniju zakomentarisati, a sledeci kod otkomentarisati
tzwell 1:4b541496f679 80 // da bi se videla demonstracija prioriteta prekida.
tzwell 1:4b541496f679 81 /*
tzwell 1:4b541496f679 82 led2_mb.write(LED_ON);
tzwell 1:4b541496f679 83 wait(ON_TIME);
tzwell 1:4b541496f679 84 led2_mb.write(LED_OFF);
tzwell 1:4b541496f679 85 */
tzwell 0:bda289aee5eb 86 }