LaserTransform Class Reference

Inheritance diagram for LaserTransform:

List of all members.

Public Member Functions
	LaserTransform (ConfigFile *cf, int section)
virtual int	ProcessMessage (QueuePointer &resp_queue, player_msghdr *hdr, void *data)
	Message handler.
virtual int	Setup ()
	Initialize the driver.
virtual int	Shutdown ()
	Finalize the driver.
Protected Member Functions
virtual int	UpdateLaser (player_laser_data_t *data)=0
int	HandleRequests ()
void	HandleGetGeom (void *client, void *req, int reqlen)
Protected Attributes
Device *	laser_device
player_devaddr_t	laser_addr
struct timeval	laser_timestamp
player_laser_data_t	data
struct timeval	time

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Member Function Documentation

int LaserTransform::ProcessMessage	(	QueuePointer &	resp_queue,
		player_msghdr *	hdr,
		void *	data
	)		[virtual]

Message handler.

This function is called once for each message in the incoming queue. Reimplement it to provide message handling. Return 0 if you handled the message and -1 otherwise

Parameters:

resp_queue	The queue to which any response should go.
hdr	The message header
data	The message body

Reimplemented from Driver.

References player_msghdr::addr, MessageQueue::ClearFilter(), Driver::device_addr, player_devaddr::host, Driver::InQueue, Message::MatchMessage(), PLAYER_LASER_DATA_SCAN, PLAYER_MSGTYPE_DATA, PLAYER_MSGTYPE_REQ, PLAYER_MSGTYPE_RESP_ACK, PLAYER_MSGTYPE_RESP_NACK, Driver::Publish(), Device::PutMsg(), Driver::ret_queue, MessageQueue::SetFilter(), player_msghdr::size, and player_msghdr::subtype.

int LaserTransform::Setup

(

void

)

[virtual]

Initialize the driver.

This function is called with the first client subscribes; it MUST be implemented by the driver.

Returns:

Returns 0 on success.

Reimplemented from Driver.

References Driver::device_addr, Device::MatchDeviceAddress(), PLAYER_ERROR, and Device::Subscribe().

int LaserTransform::Shutdown

(

void

)

[virtual]

Finalize the driver.

This function is called with the last client unsubscribes.

Returns:

Returns 0 on success.

Reimplemented from Driver.

References Driver::InQueue, and Device::Unsubscribe().

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The documentation for this class was generated from the following files:

• lasertransform.h
• lasertransform.cc