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Group05_Lab05
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Author SHA1 Message Date
Rajput R Vikramsingh Vikramsingh 18d8354ffa Else condition modification 2024-09-19 22:28:53 +05:30
Rajput R Vikramsingh Vikramsingh cd5afe526b Added the for loop for debouncing. 2024-09-19 10:21:37 +05:30
Rajput R Vikramsingh Vikramsingh 23858cec19 Added some initialization; Also started the NVIC; Added the interrupt code for toggling 2024-09-19 10:20:03 +05:30
1 changed files with 17 additions and 19 deletions
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lab5.c
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@ -2,7 +2,6 @@
#include <stdbool.h>
#include "tm4c123gh6pm.h"
void GPIOIntHandler(void);
int main(void)
{
SYSCTL_RCGC2_R |= 0x00000020; /* enable clock to GPIOF */
@ -11,31 +10,30 @@ int main(void)
GPIO_PORTF_DEN_R = 0x1F; /* set PORTF pins 5 pins*/
GPIO_PORTF_DIR_R = 0x0E; /* set PORTF0 PORTF4 pin as input user switch pin */
GPIO_PORTF_PUR_R = 0x11; /* PORTF4 PORT0 is pulled up */
GPIO_PORTF_IM_R = 0x11; /*Masking the ports*/
NVIC_EN0_R |= (1<<30); //Starting NVIC as all the interrupt goes through it
GPIO_PORTF_IM_R = 0x00; /*Masking the ports*/
GPIO_PORTF_IS_R = 0x00;
GPIO_PORTF_IBE_R = 0x00;
GPIO_PORTF_IEV_R = 0x00; /*detects the falling edge of the switch*/
GPIO_PORTF_IBE_R = 0x00
}
GPIO_PORTF_ICR_R = 0x11;
GPIO_PORTF_IM_R = 0x11;
while(1)
{
GPIO_PORTF_DATA_R = 0x04;
//GPIO_PORTF_DATA_R = 0x02;
}
}
void GPIOIntHandler(void)
{
switch(z)
int i=0;
for(i=0;i<1000;i++);
if((GPIO_PORTF_DATA_R & 0x11)== 0x11){}
else
{
case 0: GPIO_PORTF_DATA_R = 0x02;
break;
case 1: GPIO_PORTF_DATA_R = 0x00;
break;
default : GPIO_PORTF_DATA_R = 0xFF;
GPIO_PORTF_DATA_R ^= 0x02;
}
GPIO_PORTF_ICR_R = 0x11;
}