Here is the code i am writing, yet leds dont blink-
#define LED1 BSP_LED_0
#define LED2 BSP_LED_1
#define LED3 BSP_LED_2
#define LED4 BSP_LED_3
int main(void){
bsp_board_init(BSP_INIT_LEDS);
APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
NRF_LOG_DEFAULT_BACKENDS_INIT();
while (1)
{
// nrf_gpio_pin_set(LED1);
bsp_board_led_on(LED1);
bsp_board_led_on(LED2);
// nrf_gpio_pin_set(LED2);
nrf_delay_ms(5000);
bsp_board_led_invert(LED1);
}