nBus-bridge/Core/Inc/NbusBridge.h

/*
 * @file NbusBridge.h
 * @brief Deklarácia modulu nBus Brige
 * @date Mar 7, 2025
 * @author Juraj Dudak
 */

#ifndef SRC_NBUSBRIDGE_H_
#define SRC_NBUSBRIDGE_H_

#include "NbusSlave.h"

/* DEFINES BEGIN */

#define MAX_SLAVES 16

#define MODULE_ADDRESS(packet)  packet[0]
#define SENSOR_ADDRESS(packet)  packet[1]
#define FUNCTION_CODE(packet)   packet[2]

#define BROADCAST_ADDRESS	0
#define RX_META	4

/* DEFINES END */

typedef enum {
	STATE_STOPPED,
	STATE_TO_STOP,
	STATE_RUNNING,
}RunState_e;

class NbusBridge {

private:
	NbusCommunicator *_communicator;
	NbusSlave _slaves[MAX_SLAVES];
	uint8_t _slave_adress[MAX_SLAVES];
	uint8_t _num_slaves;
	RunState_e _run_state;
	DataFrame *_workerFrame;
	uint8_t _dataPacket[NBUS_MAX_FRAME_SIZE*MAX_SLAVES];
	DataFrame *_dataFrame;

	void transmit(DataFrame *packet);
	void process_broadcast(uint8_t *rxFrame);
	DataFrame *_frame_nbus_internal;
	Nbus_pdu _pdu;

public:
	NbusBridge(NbusCommunicator *);
	virtual ~NbusBridge();

	void scan();
	uint8_t getNumSlaves();
	bool call_echo(uint8_t slave);
	NbusSlave * getSlave(uint8_t index);
	void sendResponseToMaster(DataFrame *response_frame);
	void processRequest(uint8_t *rxFrame, uint8_t size);
	void broadcastStart();
	void broadcastStop();
	void processRunningState();

};

#endif /* SRC_NBUSBRIDGE_H_ */