Cannot include delay.h in pin_change int example?

[Liverpool007]

I am trying to control an led by using the interupt function? and keep the led on for 2 seconds but i cannot include delay funtion.

I

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#include <stdint.h>

#include <stdio.h>

#include <stdbool.h>

#include "nrf.h"

#include "nrf_drv_gpiote.h"

#include "app_error.h"

#include "boards.h"

#include "nrf_delay.h"

#ifdef BSP_BUTTON_0

#define PIN_IN BSP_BUTTON_0

#endif

#ifndef PIN_IN

#error "Please indicate input pin"

#endif

#ifdef BSP_LED_0

#define PIN_OUT BSP_LED_0

#endif

#ifndef PIN_OUT

#error "Please indicate output pin"

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

#include <stdint.h>
#include <stdio.h>
#include <stdbool.h>
#include "nrf.h"
#include "nrf_drv_gpiote.h"
#include "app_error.h"
#include "boards.h"
#include "nrf_delay.h"

#ifdef BSP_BUTTON_0
    #define PIN_IN BSP_BUTTON_0
#endif
#ifndef PIN_IN
    #error "Please indicate input pin"
#endif

#ifdef BSP_LED_0
    #define PIN_OUT BSP_LED_0
#endif
#ifndef PIN_OUT
    #error "Please indicate output pin"
#endif


#define PIN_1       NRF_GPIO_PIN_MAP(1,1)

  
  



void in_pin_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action)
{
    //nrf_drv_gpiote_out_toggle(PIN_OUT);
      nrf_gpio_pin_set(PIN_1);
      nrf_delay_ms(2000);
      nrf_gpio_pin_clear(PIN_1);
}
/**
 * @brief Function for configuring: PIN_IN pin for input, PIN_OUT pin for output,
 * and configures GPIOTE to give an interrupt on pin change.
 */
static void gpio_init(void)
{
    ret_code_t err_code;

//    err_code = nrf_drv_gpiote_init();
//    APP_ERROR_CHECK(err_code);
//
//    nrf_drv_gpiote_out_config_t out_config = GPIOTE_CONFIG_OUT_SIMPLE(false);
//
//    err_code = nrf_drv_gpiote_out_init(PIN_OUT, &out_config);
//    APP_ERROR_CHECK(err_code);

    nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_LOTOHI(true);
    in_config.pull = NRF_GPIO_PIN_PULLUP;

    err_code = nrf_drv_gpiote_in_init(PIN_IN, &in_config, in_pin_handler);
    APP_ERROR_CHECK(err_code);

    nrf_drv_gpiote_in_event_enable(PIN_IN, true);
}

/**
 * @brief Function for application main entry.
 */
int main(void)
{
    gpio_init();
    nrf_gpio_cfg_output(PIN_1);

    while (true)
    {
        // Do nothing.
         
    }
}


/** @} */