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Group21_Lab5
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This commit is contained in:
Sanyog Nevase Nevase 2024-09-20 21:50:30 +05:30
parent 896914490e
commit 7169a51106
1 changed files with 15 additions and 9 deletions
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main.c
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@ -1,3 +1,9 @@
/*
Problem Statement:
Write a program where the press of a switch is detected by a GPIO interrupt. On each button press the interrupt handler should toggle the state of RED LED.
*/
#include <stdint.h>
#include <stdbool.h>
#include "tm4c123gh6pm.h"
@ -18,10 +24,10 @@ void GPIO_PORT_F_init(void)
GPIO_PORTF_PUR_R = 0x11; // PORTF PF0 and PF4 IS PULLED UP
NVIC_EN0_R |= 1 << 30;
GPIO_PORTF_IS_R = 0x00; // Make it edge-sensitive
GPIO_PORTF_IBE_R = 0x00; // Trigger on one edge
GPIO_PORTF_IEV_R = 0x00; // Falling edge event
GPIO_PORTF_IM_R |= 0x11; // Unmask interrupts for PF0 and PF4
GPIO_PORTF_IS_R = 0x00; // INTERRUPT SENSE EDGE SENSITIVE
GPIO_PORTF_IBE_R = 0x00; // INTERRUPT GENERATION IS CONTROLLED BY THE GPIO INTERRUPT EVENT
GPIO_PORTF_IEV_R = 0x00; // INTERRUPT EVENT FALLING EDGE
GPIO_PORTF_IM_R |= 0x11; // INTERRUPT MASK ENABLE FOR SWITCH1 AND SWITCH2
}
void systick_setting(void) // SYSTICK SETUP FUNCTION
{