ATSAMV71Q21 - Example code(External Interrupt and LED Toggle)

MyProject.zip

0.72MB

 

 

Input: SW0(PA9) Button input using external interrupt

Output: LED0 Toggle (Nearby SW0)

Operation: External Interrupt will be generated each edge such as rising and falling

              LED0 toggles when each external interrupt is generated

 

 

#include  int main(void) {     /* Initializes MCU, drivers and middleware */     atmel_start_init();    /* Replace with your application code */    EXTERNAL_IRQ_0_example();    while (1) {    } }

main.c

 

 

#include "driver_examples.h" #include "driver_init.h" #include "utils.h" static void button_on_PA9_pressed(void) {     gpio_toggle_pin_level(LED0); } /**  * Example of using EXTERNAL_IRQ_0  */ void EXTERNAL_IRQ_0_example(void) {     ext_irq_register(PIO_PA9_IDX, button_on_PA9_pressed); }

driver_examples.c