sdh/sdhserial.cpp File Reference

Interface of class SDH::cSDHSerial. More...

#include "sdhlibrary_settings.h"
#include <assert.h>
#include <unistd.h>
#include "util.h"
#include "sdhserial.h"
#include "crc.h"
#include "sdh_codes.h"

Include dependency graph for sdhserial.cpp:

Classes
struct	SDH::sSDHBinaryRequest
	data structure with binary data for request from PC to SDH More...
struct	SDH::sSDHBinaryResponse
	data structure with binary data for response from SDH to PC More...
Namespaces
namespace	SDH
Enumerations
enum	{ SDH::eNUMBER_OF_ELEMENTS = cSimpleVector::eNUMBER_OF_ELEMENTS }
Functions
struct SDH::sSDHBinaryRequest	SDH::__attribute__ ((packed))
	sSDHBinaryRequest (eCommandCode command, double *value, bool use_crc16)
tCRCValue *	CRC16 () const
	return a ptr to the CRC value in parameter_bytes, assuming that nb_data_bytes is correct (including the CRC bytes)
int	GetNbBytesToSend () const
	return the total number of bytes to send
void	CheckCRC16 () const throw (cSDHErrorCommunication*)
	check the CRC value in parameter_bytes. Throw an exception if check fails
std::ostream &	SDH::operator<< (std::ostream &stream, sSDHBinaryRequest const &request)
	helper functions to insert a human readable form of the request into stream
std::ostream &	SDH::operator<< (std::ostream &stream, sSDHBinaryResponse const &response)
	helper functions to insert a human readable form of the restore into stream
Variables
unsigned char	cmd_code
unsigned char	nb_data_bytes
unsigned char	nb_valid_parameters
union {
float   parameter [eNUMBER_OF_ELEMENTS]
unsigned char   parameter_bytes [sizeof(float)*eNUMBER_OF_ELEMENTS+sizeof(tCRCValue)]
};
unsigned char	status_code
union {
float   parameter [eNUMBER_OF_ELEMENTS]
unsigned char   parameter_bytes [sizeof(float)*eNUMBER_OF_ELEMENTS+sizeof(tCRCValue)]
};

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Detailed Description

Interface of class SDH::cSDHSerial.

General file information

Author:

Dirk Osswald

Date:

2007-02-19

Copyright

• Copyright (c) 2014 SCHUNK GmbH & Co. KG

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Function Documentation

void __attribute__::CheckCRC16

(

)

const throw (cSDHErrorCommunication*)

check the CRC value in parameter_bytes. Throw an exception if check fails

tCRCValue * CRC16

(

)

const

return a ptr to the CRC value in parameter_bytes, assuming that nb_data_bytes is correct (including the CRC bytes)

int __attribute__::GetNbBytesToSend

(

)

const

return the total number of bytes to send

__attribute__::sSDHBinaryRequest	(	eCommandCode	command,
		double *	value,
		bool	use_crc16
	)

ctor, create a request with cmd_code command and eNUMBER_OF_ELEMENTS parameter from value or no parameters if value is NULL. Add crc if use_crc16 is true and set nb_data_bytes appropriately

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Variable Documentation

union { ... }

union { ... }

unsigned char cmd_code

unsigned char nb_data_bytes

unsigned char nb_valid_parameters

float parameter[eNUMBER_OF_ELEMENTS]

unsigned char parameter_bytes[sizeof(float)*eNUMBER_OF_ELEMENTS+sizeof(tCRCValue)]

unsigned char status_code