NodeManager.hpp 3.23 KB
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/**
 * @file NodeManager.hpp
 *
 * Defines basic implementation of UAVCAN PNP for dynamic Node ID
 *
 * @author Peter van der Perk <peter.vanderperk@nxp.com>
 */

#pragma once


#include <px4_platform_common/defines.h>
#include <drivers/drv_hrt.h>

#include "CanardInterface.hpp"

#include <uavcan/node/ID_1_0.h>
#include <uavcan/pnp/NodeIDAllocationData_1_0.h>
#include <uavcan/pnp/NodeIDAllocationData_2_0.h>


class NodeManager;

#include "Services/AccessRequest.hpp"
#include "Services/ListRequest.hpp"

//TODO make this an object instead?
typedef struct {
	uint8_t   node_id;
	uint8_t   unique_id[16];
	bool      register_setup;
	uint16_t  register_index;
} UavcanNodeEntry;

class NodeManager
{
public:
	NodeManager(CanardInstance &ins) : _canard_instance(ins), _access_request(ins), _list_request(ins) { };

	bool HandleNodeIDRequest(uavcan_pnp_NodeIDAllocationData_1_0 &msg);
	bool HandleNodeIDRequest(uavcan_pnp_NodeIDAllocationData_2_0 &msg);


	void HandleListResponse(CanardNodeID node_id, uavcan_register_List_Response_1_0 &msg);

	void update();

private:
	CanardInstance &_canard_instance;
	CanardTransferID _uavcan_pnp_nodeidallocation_v1_transfer_id{0};
	UavcanNodeEntry nodeid_registry[16] {0}; //TODO configurable or just rewrite

	UavcanAccessServiceRequest _access_request;
	UavcanListServiceRequest _list_request;

	bool nodeRegisterSetup = 0;

	hrt_abstime _register_request_last{0};

	//TODO work this out
	const char *gps_uorb_register_name = "uavcan.pub.gnss_uorb.id";
	const char *bms_status_register_name = "uavcan.pub.battery_status.id";
};