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utils.h

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+/*
+ * @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>
+
+/**
+ * @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);
+
+/**
+ * @brief Convert ADC reading to temperature in 0.1°C
+ * @param adc_value 12-bit ADC reading
+ * @return Temperature in 0.1°C
+ */
+int16_t adc_to_temperature_c(uint16_t adc_value);
+
+/**
+ * @brief Convert ADC reading to voltage in mV
+ * @param adc_value ADC reading
+ * @return Voltage in mV
+ */
+uint16_t adc_to_voltage_mv(uint16_t adc_value);
+
+/**
+ * @brief Read ADC with oversampling
+ * @param pin Analog pin to read
+ * @param samples Number of samples for oversampling
+ * @return Averaged ADC value
+ */
+uint16_t read_adc_oversampled(uint8_t pin, uint8_t samples);
+
+#endif // UTILS_H