Blink LED

Description

Blinks LED2 on GAP9 EVK

Exercized hardware

• LED-2 (GPIO86)

How to run

cmake -B build
cmake --build build --target menuconfig
cmake --build build --target run

Code

CCMakelist

#include "pmsis.h"

#define BLINK_DELAY_US   (500 * 1000)
#define BLINK_ITERATIONS (11)

int main(void)
{
    printf("Entering Blink LED2 example\n");

    /* set pad to gpio mode */
    /* This will open the gpio automatically */
    pi_pad_function_set(PAD_GPIO_LED2, PI_PAD_FUNC1);

    /* configure gpio output */
    pi_gpio_flags_e flags = PI_GPIO_OUTPUT;
    pi_gpio_pin_configure(PAD_GPIO_LED2, flags);

    /* blink the LED */
    for (int i = 0; i < BLINK_ITERATIONS; i++)
    {
        pi_gpio_pin_toggle(PAD_GPIO_LED2);
        pi_time_wait_us(BLINK_DELAY_US);
    }

    printf("Exiting Blink LED2 example\n");

    return 0;
}