nBus-bridge/Core/Inc/NbusCommunicator.h

/*
 * NbusCommunicator.h
 *
 *  Created on: Mar 7, 2025
 *      Author: juraj
 */

#ifndef SRC_NBUSCOMMUNICATOR_H_
#define SRC_NBUSCOMMUNICATOR_H_

#include "inttypes.h"
#include "dataframe.h"
#include "nbus_structs.h"
#include "stm32l4xx_hal.h"


#define NBUS_MAX_FRAME_SIZE 64


class NbusCommunicator {

private:
	uint8_t _data_packet_tx[NBUS_MAX_FRAME_SIZE];
	uint8_t _data_packet_comm[NBUS_MAX_FRAME_SIZE];
	uint8_t _data_packet_rx[NBUS_MAX_FRAME_SIZE];
	DataFrame *_packet_tx;
	DataFrame *_packet_rx;
	UART_HandleTypeDef *_uart_nbus;
	UART_HandleTypeDef *_uart_master;
	void _receive();
public:
	NbusCommunicator(UART_HandleTypeDef*, UART_HandleTypeDef*);
	void transmit(uint8_t *, uint8_t);
	void sendToMaster(DataFrame *master_frame);
	virtual ~NbusCommunicator();

	DataFrame* send(Nbus_pdu *pdu, uint8_t *data, uint8_t data_len);
};


#endif /* SRC_NBUSCOMMUNICATOR_H_ */