utils.c File Reference

Implementation of the Utility. More...

#include "utils.h"
#include "esp_timer.h"

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Functions
uint16_t	calculate_modbus_crc16 (const uint8_t *data_ptr, uint32_t length)
	Calculate Modbus CRC16.

Detailed Description

Implementation of the Utility.

Author

Abanoub Salah

• CRC16-Modbus calculation using either of
  • LUT: For performance optimization
  • Arithmetic: For memory optimization

Function Documentation

calculate_modbus_crc16()

uint16_t calculate_modbus_crc16	(	const uint8_t *	data_ptr,
		uint32_t	length
	)

Calculate Modbus CRC16.

Parameters

data_ptr	Pointer to data
length	Data length

Returns

uint16_t CRC16 for provided data

Note

• Can be configured using kconfig to choose between
  • Look Up Table (LUT)
  • Arithmetic calculation

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