#include "user_isr.h"
#include "user_main.h"

void timer4_isr ()
{
    static uint16_t cnt = 0;
    if (cnt > 999)
    {
        HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
        cnt = 0;
    }
    else
    {
        cnt++;
    }
}