EE24MT028
/
Group21_Lab06
0
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update Group21_Lab06_Task2/main.c 

GPIO_PORT_F  Initialization
This commit is contained in:
Uttam Bhavimani Bhavimani 2024-09-22 19:51:55 +05:30
parent 368145b99c
commit 902418281c
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Group21_Lab06_Task2/main.c
View File

@ -17,3 +17,17 @@ const long int PWM_PERIOD = 1000000; // Period for 100kHz in microseconds (10ms)
#define INTEN (1 << 1) // Bit 1 of CSR to enable interrupt #define INTEN (1 << 1) // Bit 1 of CSR to enable interrupt
#define SYSTICK_RELOAD_VALUE(us) ((CLOCK_HZ / 1000000) * (us) - 1) // SysTick reload value in microseconds based on clock frequency #define SYSTICK_RELOAD_VALUE(us) ((CLOCK_HZ / 1000000) * (us) - 1) // SysTick reload value in microseconds based on clock frequency
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, PF3 as output
GPIO_PORTF_PUR_R = 0x11; // PORTF PF0 and PF4 is pulled up
NVIC_EN0_R |= 1 << 30; // Enable interrupt for PORTF
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
}