/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : hal_delay.c
  * @brief          : Delay hardware abstraction layer source file
  ******************************************************************************
  */
/* USER CODE END Header */

#include "hal_delay.h"
#include "stm32f4xx_hal.h"

/**
 * @brief Initialize delay module
 */
void hal_delay_init(void) {
    /* Delay initialization is handled by HAL_Init() */
}

/**
 * @brief Delay in milliseconds
 * @param ms: Delay time in milliseconds
 */
void hal_delay_ms(uint32_t ms) {
    HAL_Delay(ms);
}

/**
 * @brief Delay in microseconds
 * @param us: Delay time in microseconds
 */
void hal_delay_us(uint32_t us) {
    uint32_t ticks = 0;
    uint32_t start_tick = 0;
    uint32_t tick_freq = HAL_RCC_GetHCLKFreq() / 1000000;
    
    ticks = us * tick_freq;
    start_tick = HAL_GetTick() * tick_freq;
    
    while ((HAL_GetTick() * tick_freq - start_tick) < ticks) {
        /* Busy wait */
    }
}