/* configure the leds 
, V1.0.0, firmware for GD32F1x0(x=3,5) , V2.0.0, firmware for GD32F1x0(x=3,5,7,9) , V3.0.0, firmware update for GD32F1x0(x=3,5,7,9) */
void led_config(void)
/* configure the leds 
, V1.0.0, firmware for GD32F1x0(x=3,5) , V2.0.0, firmware for GD32F1x0(x=3,5,7,9) , V3.0.0, firmware update for GD32F1x0(x=3,5,7,9) */
void led_config(void)
{
    gd_eval_ledinit (LED1);
    gd_eval_ledinit (LED2);
    gd_eval_ledinit (LED3);
    gd_eval_ledinit (LED4);
}