fhem-mirror/FHEM/44_S7_S5Client.pm
charlie71 c9acce727e 44_S7: Bugfixes
git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@15518 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2017-11-28 21:17:47 +00:00

836 lines
20 KiB
Perl

# $Id$
##############################################
use strict;
use warnings;
require Exporter;
use Config;
use AutoLoader;
require "44_S7_Client.pm";
package S5Client;
#use S7ClientBase;
our @ISA = qw(S7ClientBase); # inherits from Person
#---------------------- constants for communication
use constant DLE => 0x10;
use constant ETX => 0x03;
use constant STX => 0x02;
use constant SYN => 0x16;
use constant NAK => 0x15;
use constant EOT => 0x04; # for S5
use constant ACK => 0x06; # for S5
use constant daveS5BlockType_DB => 0x01;
use constant maxSysinfoLen => 87;
use constant daveMaxRawLen => 2048;
use constant MaxPduSize =>
240;
sub new {
my $class = shift;
my $self = $class->SUPER::new();
$self->{S5PAEAddress} = 0;
$self->{S5PAAAddress} = 0;
$self->{S5flagsAddress} = 0;
$self->{S5timerAddress} = 0;
$self->{S5counterAddress} = 0;
$self->{__davet1006} = [ &DLE, &ACK ];
$self->{__daveT161003} = [ 0x16, &DLE, &ETX ];
$self->{__davet121003} = [ 0x12, &DLE, &ETX ];
$self->{PDULength} = &MaxPduSize;
$self->{MaxReadLength} = ($self->{PDULength} - 18);
#my @__davet1006 = ( &DLE, &ACK );
#my @__daveT161003 = ( 0x16, &DLE, &ETX );
#my @{$self->{__davet121003}} = ( 0x12, &DLE, &ETX );
return bless $self, $class;
}
# ----------- compare arrays
sub compare {
my ( $self, $a_ref, $b_ref ) = @_;
my @a = @{$a_ref}; # dereferencing and copying each array
my @b = @{$b_ref};
if ( @a != @b ) {
return 0;
}
else {
foreach ( my $i = 0 ; $i < @a ; $i++ ) {
# Ideally, check for undef/value comparison here as well
if ( $a[$i] != $b[$i] )
{ # use "ne" if elements are strings, not numbers
# Or you can use generic sub comparing 2 values
return 0;
}
}
return 1;
}
}
#
# ----------- This writes a single chracter to the serial interface
#
sub S5SendSingle($$) {
my ( $self, $c ) = @_;
my $buffer = pack( 'C*', $c );
my $tbuffer = join( ", ", unpack( "H2 " x length($buffer), $buffer ) );
main::Log3( undef, 5, "S5Client S5SendSingle <-- " . $tbuffer );
$self->{serial}->write($buffer);
}
#---------------------------------------------------reqest transaction with PLC
sub S5ReqTrans($$) {
my ( $self, $trN ) = @_;
my $buffer;
my $count;
my $tbuffer;
$self->S5SendSingle(&STX); #start trasmission
#expected S5 awnswer DLE,ACK
( $count, $buffer ) = $self->{serial}->read(2);
my @cbuffer = unpack( "C" x $count, $buffer );
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = join( ", ", unpack( "H2 " x $count, $buffer ) );
main::Log3( undef, 5, "S5Client S5ReqTrans $tbuffer -->" );
}
if ( $self->compare( \@cbuffer, \@{ $self->{__davet1006} } ) == 0 ) {
main::Log3( undef, 3, "S5Client S5ReqTrans: no DLE,ACK before send" );
return -1;
}
$self->S5SendSingle($trN);
( $count, $buffer ) = $self->{serial}->read(1);
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = join( ", ", unpack( "H2 " x $count, $buffer ) );
main::Log3( undef, 5, "S5Client S5ReqTrans $tbuffer -->" );
}
if ( $count != 1 ) {
#error awnser is too short
return -1;
}
@cbuffer = unpack( "C" x $count, $buffer );
if ( $cbuffer[0] ne &STX ) {
main::Log3( undef, 3, "S5Client S5ReqTrans: no STX before send" );
return -2;
}
$self->S5SendDLEACK();
( $count, $buffer ) = $self->{serial}->read(3);
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = join( ", ", unpack( "H2 " x $count, $buffer ) );
main::Log3( undef, 5, "S5Client S5ReqTrans $tbuffer -->" );
}
@cbuffer = unpack( "C" x $count, $buffer );
if ( $self->compare( \@cbuffer, \@{ $self->{__daveT161003} } ) == 0 ) {
main::Log3( undef, 3, "S5Client S5ReqTrans: no accept0 from plc" );
return -3;
}
$self->S5SendDLEACK();
return 0;
}
sub S5SendDLEACK($) {
my ($self) = @_;
my $buffer = pack( 'C2', @{ $self->{__davet1006} } );
if ( $main::attr{global}{verbose} >= 5 ) {
my $tbuffer = join( ", ", unpack( "H2 " x 2, $buffer ) );
main::Log3( undef, 5, "S5Client S5SendDLEACK <-- $tbuffer" );
}
return $self->{serial}->write($buffer);
}
#---------------------------------------------- S5 Exchange data
sub S5ExchangeAS511($$$$$) {
my ( $self, $b, $len, $maxlen, $trN ) = @_;
my ( $res, $i, $b1, $count );
my @cbuffer;
my $msgIn = "";
my $tbuffer;
$res = $self->S5ReqTrans($trN);
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: Error in Exchange.ReqTrans request" );
return ( $res - 10, "" );
}
if ( $trN == 8 ) { #Block write functions have advanced syntax
#LOG1("trN 8\n");
$self->S5SendWithDLEDup( $b, 4 );
#LOG1("trN 8 done\n");
}
else {
#LOG3("trN %d len %d\n",trN,len);
$self->S5SendWithDLEDup( $b, $len );
#LOG2("trN %d done\n",trN);
}
( $count, $b1 ) = $self->{serial}->read(2);
# if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = join( ", ", unpack( "H2 " x $count, $b1 ) );
main::Log3( undef, 5, "S5Client S5ExchangeAS511 $tbuffer -->" );
# }
@cbuffer = unpack( "C" x $count, $b1 );
if ( $self->compare( \@cbuffer, \@{ $self->{__davet1006} } ) == 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: no DLE,ACK in Exchange request" );
return ( -1, "" );
}
if ( ( $trN != 3 ) && ( $trN != 7 ) && ( $trN != 9 ) ) {
#write bytes, compress & delblk
if ( !$self->S5ReadSingle() eq &STX ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: no STX in Exchange request" );
return ( -2, "" );
}
$self->S5SendDLEACK();
$res = 0;
@cbuffer = ();
my $buffer = "";
do {
( $i, $b1 ) = $self->{serial}->read(1);
$res += $i;
push( @cbuffer, unpack( "C" x $i, $b1 ) ) if ( $i > 0 );
} while (
( $i > 0 )
&& ( ( $cbuffer[ $res - 2 ] != &DLE )
|| ( $cbuffer[ $res - 1 ] != &ETX ) )
);
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer =
join( ", ", unpack( "H2 " x @cbuffer, pack( "C*", @cbuffer ) ) );
main::Log3( undef, 5, "S5Client S5ExchangeAS511 $tbuffer -->" );
}
#LOG3( "%s *** got %d bytes.\n", dc->iface->name, res );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: Error in Exchange.ReadChars request"
);
return ( $res - 20, "" );
}
if ( ( $cbuffer[ $res - 2 ] != &DLE )
|| ( $cbuffer[ $res - 1 ] != &ETX ) )
{
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: No DLE,ETX in Exchange data." );
return ( -4, "" );
}
( $res, $msgIn ) = $self->S5DLEDeDup( \@cbuffer );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511: Error in Exchange rawdata." );
return ( -3, "" );
}
$self->S5SendDLEACK();
}
if ( $trN == 8 ) { # Write requests have more differences from others
@cbuffer = unpack( "C" x length($msgIn), $msgIn );
if ( $cbuffer[0] != 9 ) { #todo fix
main::Log3( undef, 3,
"S5Client S5ExchangeAS511 No 0x09 in special Exchange request."
);
return ( -5, "" );
}
$self->S5SendSingle(&STX);
( $count, $b1 ) = $self->{serial}->read(2);
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = $tbuffer = join( ", ", unpack( "H2 " x $count, $b1 ) );
main::Log3( undef, 5, "S5Client S5ExchangeAS511 $tbuffer -->" );
}
@cbuffer = unpack( "C" x $count, $b1 );
if ( $self->compare( \@cbuffer, \@{ $self->{__davet1006} } ) == 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511 no DLE,ACK in special Exchange request"
);
return ( -6, "" );
}
my $b2 = substr( $b, 4 );
$self->S5SendWithDLEDup( $b2, $len ); # todo need testing !!!
#$self->S5SendWithDLEDup(dc->iface,b+4,len); #
( $count, $b1 ) = $self->{serial}->read(2);
if ( $main::attr{global}{verbose} >= 5 ) {
$tbuffer = join( ", ", unpack( "H2 " x $count, $b1 ) );
main::Log3( undef, 5, "S5Client S5ExchangeAS511 $tbuffer -->" );
}
@cbuffer = unpack( "C" x $count, $b1 );
if ( $self->compare( \@cbuffer, \@{ $self->{__davet1006} } ) == 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511 no DLE,ACK after transfer in Exchange."
);
return ( -7, "" );
}
}
if ( $trN == 7 ) {
}
$res = $self->S5EndTrans();
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ExchangeAS511 Error in Exchange.EndTrans request." );
return ( $res - 30, "" );
}
return ( 0, $msgIn );
}
#
# Sends a sequence of characters after doubling DLEs and adding DLE,EOT.
#
sub S5SendWithDLEDup($$$) {
my ( $self, $b, $size ) = @_;
# uc target[&daveMaxRawLen];
my @target;
my $res;
my $i; #preload
my @cbuffer = unpack( "C" x $size, $b );
#LOG1("SendWithDLEDup: \n");
#_daveDump("I send",b,size);
for ( $i = 0 ; $i < $size ; $i++ ) {
push( @target, $cbuffer[$i] );
if ( $cbuffer[$i] == &DLE ) {
push( @target, &DLE );
}
}
push( @target, &DLE );
push( @target, &EOT );
#LOGx_daveDump("I send", target, targetSize);
my $buffer = pack( 'C*', @target );
$res = $self->{serial}->write($buffer);
if ( $main::attr{global}{verbose} >= 5 ) {
my $tbuffer = join( ", ", unpack( "H2 " x length($buffer), $buffer ) );
main::Log3( undef, 5, "S5Client S5SendWithDLEDup <-- $tbuffer" );
}
#if(daveDebug & daveDebugExchange)
#LOG2("send: res:%d\n",res);
return 0;
}
#
# Remove the DLE doubling:
#
sub S5DLEDeDup($$) {
my ( $self, $b ) = @_;
my @rawBuf = @{$b};
my @msg = ();
my $j = 0;
my $k;
for ( $k = 0 ; $k < @rawBuf - 2 ; $k++ ) {
push( @msg, $rawBuf[$k] );
if ( DLE == $rawBuf[$k] ) {
if ( DLE != $rawBuf[ $k + 1 ] ) {
return ( -1, "" ); #Bad doubling found
}
$k++;
}
}
push( @msg, $rawBuf[$k] );
$k++;
push( @msg, $rawBuf[$k] );
$b = pack( 'C*', @msg );
return ( 0, $b );
}
#
# Executes part of the dialog required to terminate transaction:
#
sub S5EndTrans($) {
my ($self) = @_;
#LOG2("%s daveEndTrans\n", dc->iface->name);
if ( $self->S5ReadSingle() ne &STX ) {
#LOG2("%s daveEndTrans *** no STX at eot sequense.\n", dc->iface->name);
#return -1;
}
$self->S5SendDLEACK();
my ( $res, $b1 ) = $self->{serial}->read(3);
if ( $main::attr{global}{verbose} >= 5 ) {
my $tbuffer = join( ", ", unpack( "H2 " x $res, $b1 ) );
main::Log3( undef, 5, "S5Client S5EndTrans $tbuffer -->" );
}
#_daveDump("3got",b1, res);
my @cbuffer = unpack( "C" x $res, $b1 );
if ( $self->compare( \@cbuffer, \@{ $self->{__davet121003} } ) == 0 ) {
main::Log3( undef, 3,
"S5Client S5EndTransno accept of eot/ETX from plc." );
return -2;
}
$self->S5SendDLEACK();
return 0;
}
#
# This reads a single chracter from the serial interface:
sub S5ReadSingle ($) {
my ($self) = @_;
my ( $res, $i );
( $i, $res ) = $self->{serial}->read(1);
if ( $main::attr{global}{verbose} >= 5 ) {
my $tbuffer = join( ", ", unpack( "H2 " x $i, $res ) );
main::Log3( undef, 5, "S5Client S5ReadSingle $tbuffer -->" );
}
#if ((daveDebug & daveDebugSpecialChars)!=0)
# LOG3("readSingle %d chars. 1st %02X\n",i,res);
if ( $i == 1 ) {
return $res;
}
return 0;
}
#--------------------------------------------------------------------------------
# Connect to S5 CPU
#
sub S5ConnectPLCAS511($$) {
my ( $self, $portName ) = @_;
my $b1 = "";
my $ttyPort;
if($^O =~ m/Win/) {
require Win32::SerialPort;
#eval ("use Win32::SerialPort;");
$self->{serial} = new Win32::SerialPort ($portName);
}else{
#eval ("use Device::SerialPort;");
require Device::SerialPort;
$self->{serial} = new Device::SerialPort ($portName);
}
main::Log3( undef, 3, "Can't open serial port $portName" )
unless ( $self->{serial} );
die unless ( $self->{serial} );
$self->{serial}->baudrate(9600);
$self->{serial}->databits(8);
$self->{serial}->parity('even');
$self->{serial}->stopbits(1);
$self->{serial}->read_const_time(500); # 500 milliseconds = 0.5 seconds
$self->{serial}->read_char_time(10); # avg time between read char
#$ttyPort->handshake('none');
#$ttyPort->stty_icrnl(1);
#$ttyPort->stty_ocrnl(1);
#$ttyPort->stty_onlcr(1);
#$ttyPort->stty_opost(1)
$self->{serial}->write_settings();
$b1 = pack( "C*", 0, 0 );
my ( $res, $msgIn ) =
$self->S5ExchangeAS511( $b1, 2, &maxSysinfoLen, 0x18 );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ConnectPLCAS511 ImageAddr.Exchange sequence" );
return $res - 10;
}
if ( length($msgIn) < 47 ) {
main::Log3( undef, 3,
"S5Client S5ConnectPLCAS511 Too few chars in ImageAddr data" );
return -2;
}
#_daveDump("connect:",dc->msgIn, 47);
my @cbuffer = unpack( "C" x length($msgIn), $msgIn );
$self->{S5PAEAddress} =
$self->WordAt( \@cbuffer, 5 ); # start of inputs;
$self->{S5PAAAddress} = $self->WordAt( \@cbuffer, 7 ); # start of outputs
$self->{S5flagsAddress} =
$self->WordAt( \@cbuffer, 9 ); # start of flag (marker) memory;
$self->{S5timerAddress} =
$self->WordAt( \@cbuffer, 11 ); #start of timer memory;
$self->{S5counterAddress} =
$self->WordAt( \@cbuffer, 13 ); #start of counter memory
main::Log3( undef, 3,
"S5Client ->S5ConnectPLCAS511 start of inputs in memory "
. $self->{S5PAEAddress} );
main::Log3( undef, 3,
"S5Client ->S5ConnectPLCAS511 start of outputs in memory "
. $self->{S5PAAAddress} );
main::Log3( undef, 3,
"S5Client ->S5ConnectPLCAS511 start of flags in memory "
. $self->{S5flagsAddress} );
main::Log3( undef, 3,
"S5Client ->S5ConnectPLCAS511 start of timers in memory "
. $self->{S5timerAddress} );
main::Log3( undef, 3,
"S5Client ->S5ConnectPLCAS511 start of counters in memory "
. $self->{S5counterAddress} );
return 0;
}
#
# Reads <count> bytes from area <BlockN> with offset <offset>,
# that can be readed with daveGetInteger etc. You can read bytes from
# PBs & FBs too, but use daveReadBlock for this:
#
sub S5ReadS5Bytes($$$$$) {
my ( $self, $area, $BlockN, $offset, $count ) = @_;
my ( $res, $dataend, $datastart, $b1, $msgIn );
if ( $area == &S7ClientBase::S7AreaDB ) { #DB
( $res, $datastart ) = $self->S5ReadS5BlockAddress( $area, $BlockN );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ReadS5Bytes Error in ReadS5Bytes.BlockAddr request"
);
return ( $res - 50, "" );
}
}
elsif ( $area == &S7ClientBase::S7AreaPE ) { #inputs
$datastart =
$self->{S5PAEAddress}; #need to get this information from a property
}
elsif ( $area == &S7ClientBase::S7AreaPA ) { #outputs
$datastart =
$self->{S5PAAAddress}; #need to get this information from a property
}
elsif ( $area == &S7ClientBase::S7AreaMK ) { #flags
$datastart =
$self->{S5flagsAddress}; #need to get this information from a property
}
elsif ( $area == &S7ClientBase::S7AreaTM ) { #timers
$datastart =
$self->{S5timerAddress}; #need to get this information from a property
}
elsif ( $area == &S7ClientBase::S7AreaCT ) { #counters
$datastart = $self
->{S5counterAddress}; #need to get this information from a property
}
else {
main::Log3( undef, 3,
"S5Client S5ReadS5Bytes Unknown area in ReadS5Bytes request" );
return ( -1, "" );
}
if ( $count > &daveMaxRawLen ) {
main::Log3( undef, 3,
"S5Client S5ReadS5Bytes: Requested data is out-of-range" );
return ( -1, "" );
}
$datastart += $offset;
$dataend = $datastart + $count - 1;
$b1 = pack( "C*",
$datastart / 256,
$datastart % 256,
$dataend / 256,
$dataend % 256 );
( $res, $msgIn ) = $self->S5ExchangeAS511( $b1, 4, 2 * $count + 7, 0x04 );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5ReadS5Bytes Error in ReadS5Bytes.Exchange sequence" );
return ( $res - 10, "" );
}
#if (dc->AnswLen<count+7) { #todo implement this check
# LOG3("%s *** Too few chars (%d) in ReadS5Bytes data.\n", dc->iface->name,dc->AnswLen);
#return (-5,"");
#}
my @cbuffer = unpack( "C" x length($msgIn), $msgIn );
if ( ( $cbuffer[0] != 0 )
|| ( $cbuffer[1] != 0 )
|| ( $cbuffer[2] != 0 )
|| ( $cbuffer[3] != 0 )
|| ( $cbuffer[4] != 0 ) )
{
main::Log3( undef, 3,
"S5Client S5ReadS5Bytes Wrong ReadS5Bytes data signature" );
return ( -6, "" );
}
$msgIn = substr( $msgIn, 5, -2 );
return ( 0, $msgIn );
}
#
# Requests physical addresses and lengths of blocks in PLC memory and writes
# them to ai structure:
#
sub S5ReadS5BlockAddress($$$) {
my ( $self, $area, $BlockN ) = @_;
my ( $res, $msgIn, $dbaddr, $dblen, $ai );
my $b1 = pack( "C*", &daveS5BlockType_DB, $BlockN )
; #note we only support DB, no PB,FB,SB
( $res, $msgIn ) = $self->S5ExchangeAS511( $b1, 2, 24, 0x1A );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client >S5ReadS5BlockAddress Error in BlockAddr.Exchange sequense"
);
return ( $res - 10, 0, 0 );
}
if ( length($msgIn) < 15 ) {
main::Log3( undef, 3,
"S5Client S5ReadS5BlockAddress Too few chars in BlockAddr data." );
return ( -2, 0, 0 );
}
my @cbuffer = unpack( "C" x length($msgIn), $msgIn );
if ( ( $cbuffer[0] != 0 )
|| ( $cbuffer[3] != 0x70 )
|| ( $cbuffer[4] != 0x70 )
|| ( $cbuffer[5] != 0x40 + &daveS5BlockType_DB )
|| ( $cbuffer[6] != $BlockN ) )
{
main::Log3( undef, 3,
"S5Client S5ReadS5BlockAddress Wrong BlockAddr data signature." );
return ( -3, 0, 0 );
}
$dbaddr = $cbuffer[1];
$dbaddr =
$dbaddr * 256 +
$cbuffer[2]; #Let make shift operations to compiler's optimizer
$dblen = $cbuffer[11];
$dblen =
( $dblen * 256 + $cbuffer[12] - 5 ) *
2; #PLC returns dblen in words including
#5 word header (but returnes the
#start address after the header) so
#dblen is length of block body
return ( 0, $dbaddr, $dblen );
}
#
# Writes <count> bytes from area <BlockN> with offset <offset> from buf.
# You can't write data to the program blocks because you can't syncronize
# with PLC cycle. For this purposes use daveWriteBlock:
#
sub S5WriteS5Bytes($$$$$$) {
my ( $self, $area, $BlockN, $offset, $count, $buf ) = @_;
my ( $res, $datastart, $dblen, $b1, $msgIn );
if ( $area == &S7ClientBase::S7AreaDB ) { #DB
( $res, $datastart, $dblen ) =
$self->S5ReadS5BlockAddress( $area, $BlockN );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5WriteS5Bytes Error in ReadS5Bytes.BlockAddr request."
);
return $res - 50;
}
}
elsif ( $area == &S7ClientBase::S7AreaPE ) { #inputs
$datastart =
$self->{S5PAEAddress}; #need to get this information from a property
$dblen = 128;
}
elsif ( $area == &S7ClientBase::S7AreaPA ) { #outputs
$datastart =
$self->{S5PAAAddress}; #need to get this information from a property
$dblen = 128;
}
elsif ( $area == &S7ClientBase::S7AreaMK ) { #flags
$datastart =
$self->{S5flagsAddress}; #need to get this information from a property
#$dblen = 128; # S5-90U
$dblen = 256; # S5-95U
}
elsif ( $area == &S7ClientBase::S7AreaTM ) { #timers
$datastart =
$self->{S5timerAddress}; #need to get this information from a property
#$dblen = 32 *2; # S5-90U
$dblen = 128 *2; # S5-95U
}
elsif ( $area == &S7ClientBase::S7AreaCT ) { #counters
$datastart = $self
->{S5counterAddress}; #need to get this information from a property
#$dblen = 32 *2; # S5-90U
$dblen = 128 * 2; # S5-95U
}
else {
main::Log3( undef, 3,
"S5Client S5WriteS5Bytes Unknown area in WriteS5Bytes request." );
return -1;
}
if ( ( $count > &daveMaxRawLen ) || ( $offset + $count > $dblen ) ) {
main::Log3( undef, 3,
"S5Client S5WriteS5Bytes Requested data is out-of-range." );
return -1;
}
#LOG2("area start is %04x, ",datastart);
$datastart += $offset;
#LOG2("data start is %04x\n",datastart);
$b1 = pack( "C*", $datastart / 256, $datastart % 256 );
$b1 = $b1 . $buf;
( $res, $msgIn ) = $self->S5ExchangeAS511( $b1, 2 + $count, 0, 0x03 );
if ( $res < 0 ) {
main::Log3( undef, 3,
"S5Client S5WriteS5Bytes Error in WriteS5Bytes.Exchange sequense."
);
return $res - 10;
}
return 0;
}
1;
=pod
=item summary low level interface to S5
=item summary_DE low level interface to S5
=begin html
<p><a name="S7_S5Client"></a></p>
<h3>S7_S5Client</h3>
<ul>
<ul>low level interface to S5</ul>
</ul>
=end html
=begin html_DE
<p><a name="S7_S5Client"></a></p>
<h3>S7_S5Client</h3>
<ul>
<ul>low level interface to S5</ul>
</ul>
=end html_DE
=cut