/*
 * @file utils.h
 * @brief Utility functions and helpers
 *
 * Created: 21.09.2025
 * Author: ThePetrovich
 *
 * Copyright YKSA - Sakha Aerospace Systems, LLC.
 * See the LICENSE file for details.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef UTILS_H
#define UTILS_H

#include <stdint.h>

#define SERIAL_BUFFER_CLEAR()                                                                                          \
	do {                                                                                                           \
		while (Serial.available()) {                                                                           \
			Serial.read();                                                                                 \
		}                                                                                                      \
	} while (0)
#define SERIAL_SEND_OK()                                                                                               \
	do {                                                                                                           \
		Serial.print("ok\n");                                                                                  \
		Serial.flush();                                                                                        \
		SERIAL_BUFFER_CLEAR();                                                                                 \
	} while (0)

/**
 * @brief Calculate CRC16 using XMODEM polynomial
 * @param data Pointer to data buffer
 * @param len Length of data in bytes
 * @return CRC16 checksum
 */
uint16_t calculate_crc16_xmodem(uint8_t *data, uint16_t len);

#endif // UTILS_H