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Group21_Lab5
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add main function

This commit is contained in:
Sanyog Nevase Nevase 2024-09-20 21:38:29 +05:30
parent fa41ddb977
commit 896914490e
1 changed files with 19 additions and 10 deletions
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29
main.c
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@ -2,20 +2,20 @@
#include <stdbool.h>
#include "tm4c123gh6pm.h"
// SysTick memory-mapped registers
#define STCTRL *((volatile uint32_t *) 0xE000E010) // CONTROL AND STATUS
#define STRELOAD *((volatile uint32_t *) 0xE000E014) // RELOAD VALUE
#define STCURRENT *((volatile uint32_t *) 0xE000E018) // CURRENT VALUE
#define CLOCK_HZ 16000000 // CLOCK FREQUENCY OF EK-TM4C123GXL
#define STCTRL *((volatile uint32_t *) 0xE000E010) // CONTROL AND STATUS
#define STRELOAD *((volatile uint32_t *) 0xE000E014) // RELOAD VALUE
#define STCURRENT *((volatile uint32_t *) 0xE000E018) // CURRENT VALUE
#define CLOCK_HZ 16000000 // CLOCK FREQUENCY OF EK-TM4C123GXL
#define SYSTICK_RELOAD_VALUE(us) ((CLOCK_HZ / 1000000) * (us) - 1) // SYSTICK RELOAD VALUE
void GPIO_PORT_F_init(void)
{
SYSCTL_RCGC2_R |= 0x00000020; // ENABLE CLOCK TO GPIOF
GPIO_PORTF_LOCK_R = 0x4C4F434B; // UNLOCK COMMIT REGISTER
GPIO_PORTF_CR_R = 0x1F; // MAKE PORTF0 CONFIGURABLE
GPIO_PORTF_DEN_R = 0x1F; // SET PORTF DIGITAL ENABLE
GPIO_PORTF_DIR_R = 0x0E; // SET PF0, PF4 as input and PF1, PF2 and PF3 as output
GPIO_PORTF_PUR_R = 0x11; // PORTF PF0 and PF4 IS PULLED UP
SYSCTL_RCGC2_R |= 0x00000020; // ENABLE CLOCK TO GPIOF
GPIO_PORTF_LOCK_R = 0x4C4F434B; // UNLOCK COMMIT REGISTER
GPIO_PORTF_CR_R = 0x1F; // MAKE PORTF0 CONFIGURABLE
GPIO_PORTF_DEN_R = 0x1F; // SET PORTF DIGITAL ENABLE
GPIO_PORTF_DIR_R = 0x0E; // SET PF0, PF4 as input and PF1, PF2 and PF3 as output
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
@ -54,3 +54,12 @@ void GPIOF_interruptHandler(void) // Interrupt handler for GPIO Port
GPIO_PORTF_ICR_R = 0x01; // CLEAR INTERRUPT FLAG FOR SWITCH 1
}
}
int main(void) // MAIN FUNCTION
{
GPIO_PORT_F_init(); // GPIO INITIALISATION FUNCTION
systick_setting(); // SYSTICK SETUP
while (1)
{ // DO NOTHING
}
}