add call exit

This commit is contained in:
Marko Oldenburg 2022-01-18 19:09:45 +01:00
parent c94340f92e
commit 1179c54af9

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@ -33,9 +33,8 @@ our $STARTCHARACTER = "/";
our $TRANSMISSIONREQUESTCOMMAND = "?";
our $ENDCHARACTER = "!";
our %drs110m_values = (
#'<measurement>'=>[<address>,<scalingfunction>,'<unit>'],
our %drs110m_values = ( ## no critic (Package variable declared or used)
#'<measurement>'=>[<address>,<scalingfunction>,'<unit>'],
'Voltage' => [ 0, \&_scale_div_by_10, 'V' ],
'Current' => [ 1, \&_scale_div_by_10, 'A' ],
'Frequency' => [ 2, \&_scale_div_by_10, 'Hz' ],
@ -46,32 +45,45 @@ our %drs110m_values = (
'Time' => [ 31, \&_scale_raw_time_to_datetime, '' ],
'Temperature' => [ 32, \&_scale_to_temp, '°C' ],
);
## use critic
#actually there are more registers, but who cares about cosphi for example?!
sub new(\$$$) {
#we expect a HASH consisting of a reference to a valid and correctly set up port, an ID and a password
=head1 METHODS
=head2 Constructor new
# we expect a HASH consisting of a reference to a valid and correctly set up port, an ID and a password
# {"port"=>$port, #perl automatically converts this to a reference
# "id"=>$id,
# "passwd"=>$passwd,
#}
my $class = shift;
my $self = {@_};
bless( $self, $class );
# }
=cut
sub new { ## no critic (always unpack @_ first)
my $class = shift;
my @options = @_ ? $_[0] =~ /ARRAY/ ? @{ $_[0] } : @_ : ();
my $self = bless {@options} => $class;
$self->_init;
return $self;
}
sub _init {
my $self = shift;
$self->{"regs"} = ();
return;
}
sub start_communication {
my $self = shift;
unless ( ref $self ) { croak "call with an object, not a class"; }
my $res;
$res =
$self->_xfer( _generate_request_message( "serialnumber" => $self->id ) );
@ -83,27 +95,32 @@ sub start_communication {
$res = $self->_xfer(
_generate_request_message( "serialnumber" => $self->id ) );
}
return $self;
}
sub start_programming_mode {
my $self = shift;
unless ( ref $self ) { croak "call with an object, not a class"; }
my $res;
$res = $self->_xfer(
_generate_ack_optionselect_msg( "protocol" => 0, "mode" => 1 ) );
#note: mode 1 is programming mode, obviously privileges are needed for register access
$res = $self->_xfer( _generate_p1_msg( "password" => $self->passwd ) );
return $self;
}
sub update_values {
my $self = shift;
unless ( ref $self ) { croak "call with an object, not a class"; }
my $res;
my $valstr;
my $unit;
my ( $addr, $val );
while ( my ( $measurement, $vals ) = each(%drs110m_values) ) {
$res = $self->_xfer(
@ -117,11 +134,15 @@ sub update_values {
$self->{regs}{$measurement} = $valstr;
}
else {
warn("Found $addr but expected $drs110m_values{$measurement}[0]"
## no critic (warn used instead of carp)
warn(
"Found $addr but expected $drs110m_values{$measurement}[0]"
);
}
}
else {
## no critic (warn used instead of carp)
warn("No Response for $measurement");
}
}
@ -129,215 +150,267 @@ sub update_values {
return $self;
}
sub log_off() {
sub log_off {
my $self = shift;
my $res;
unless ( ref $self ) { croak "call with an object, not a class"; }
my $res;
$res = $self->_xfer( _generate_b0_msg() );
return $self;
}
sub write_reg($$) {
sub write_reg { ## no critic (always unpack @_ first)
my $self = shift;
my ( $reg, $val ) = @_;
unless ( ref $self ) { croak "call with an object, not a class"; }
my ( $reg, $val ) = @_;
my $res = $self->_xfer( _generate_w1_msg( "reg" => $reg, "val" => $val ) );
if ( $res ne $ACK ) {
print("No Ack for write operation $reg : $val \n");
}
return $self;
}
sub get_values() {
sub get_values {
my $self = shift;
my $res;
unless ( ref $self ) { croak "call with an object, not a class"; }
$self->start_communication()->start_programming_mode()->update_values()
->log_off();
return $self->regs;
}
sub set_clock() {
sub set_clock {
my $self = shift;
my $res;
unless ( ref $self ) { croak "call with an object, not a class"; }
$self->start_communication()->start_programming_mode();
my $res;
$res =
$self->write_reg( 31, _scale_datetime_to_raw_time( DateTime->now() ) );
# this function reliably returns an ACK
$self->log_off();
return $self;
}
sub reset_energy() {
sub reset_energy {
my $self = shift;
my $res;
unless ( ref $self ) { croak "call with an object, not a class"; }
$self->start_communication()->start_programming_mode();
my $res;
$res = $self->write_reg( 0x40, "00000000" );
# this function does not reliably return an ACK, to be checked
$self->log_off();
return $self;
}
sub _xfer {
sub _xfer { ## no critic (always unpack @_ first)
my $self = shift;
my ($cmd) = @_;
my $cmd = @_;
my $count;
my $res;
$self->port->lookclear;
$self->port->write($cmd);
( $count, $res ) = $self->port->read(32);
return $res;
}
# Object accessor methods
## no critic (no return in subs)
sub port { $_[0]->{port} = $_[1] if defined $_[1]; $_[0]->{port} }
sub id { $_[0]->{id} = $_[1] if defined $_[1]; $_[0]->{id} }
sub passwd { $_[0]->{passwd} = $_[1] if defined $_[1]; $_[0]->{passwd} }
sub regs { $_[0]->{regs} = $_[1] if defined $_[1]; $_[0]->{regs} }
## use critic
#basic non-object functions
sub _interpret_r1_msg($) {
my ($str) = @_;
sub _interpret_r1_msg {
my $str = shift;
my $val;
my $addr;
if ( $str =~ m/\((\S+)\)/ ) {
if ( $str =~ m/\((\S+)\)/x ) {
$val = $1;
if ( $str =~ m/(\d+)\(/ ) {
if ( $str =~ m/(\d+)\(/x ) {
$addr = $1;
}
}
return $addr, $val;
}
sub _scale_div_by_10($) {
my ($val) = @_;
sub _scale_div_by_10 {
my $val = shift;
return $val / 10;
}
sub _scale_mul_by_10($) {
my ($val) = @_;
sub _scale_mul_by_10 {
my $val = shift;
return $val * 10;
}
sub _scale_1_to_1($) {
my ($val) = @_;
sub _scale_1_to_1 {
my $val = shift;
return $val;
}
sub _scale_raw_time_to_datetime($) {
my ($str) = @_;
my $fmt = "%y%m%d%w%H%M%S";
my $dt = strptime( $fmt, $str );
sub _scale_raw_time_to_datetime {
my $str = shift;
my $fmt = "%y%m%d%w%H%M%S";
my $dt = strptime( $fmt, $str );
return $dt;
}
sub _scale_datetime_to_raw_time($) {
my ($dt) = @_;
my $fmt = "%y%m%d0%w%H%M%S";
my $str = $dt->strftime($fmt);
sub _scale_datetime_to_raw_time {
my $dt = shift;
my $fmt = "%y%m%d0%w%H%M%S";
my $str = $dt->strftime($fmt);
return $str;
}
sub _scale_to_temp($) {
my ($val) = @_;
sub _scale_to_temp {
my $val = shift;
my $hex = "";
foreach ( split '', $val ) {
$hex .= sprintf( "%X", ord($_) - 0x30 );
}
return hex($hex);
}
sub _calc_bcc($) {
my ($val) = @_;
sub _calc_bcc {
my $val = shift;
my $bcc = 0;
foreach ( split '', substr( $val, 1 ) ) {
$bcc ^= ord($_);
}
return $bcc;
}
sub _generate_r1_msg(%) {
my %args = @_;
sub _generate_r1_msg {
my %args = shift;
my $reg = $args{reg};
my $regstr = sprintf( "%08d()", $reg );
my $msg = _generate_programming_command_message(
my $msg = _generate_programming_command_message(
"command" => "R",
"commandtype" => 1,
"data" => $regstr
);
return $msg;
}
sub _generate_w1_msg(%) {
my %args = @_;
sub _generate_w1_msg {
my %args = shift;
my $reg = $args{reg};
my $val = $args{val};
my $regstr = sprintf( "%08d(%d)", $reg, $val );
my $msg = _generate_programming_command_message(
my $msg = _generate_programming_command_message(
"command" => "W",
"commandtype" => 1,
"data" => $regstr
);
return $msg;
}
sub _generate_p1_msg(%) {
my %args = @_;
sub _generate_p1_msg {
my %args = shift;
my $passwd = $args{password};
my $passwdstr = sprintf( "(%08d)", $passwd );
my $msg = _generate_programming_command_message(
my $msg = _generate_programming_command_message(
"command" => "P",
"commandtype" => 1,
"data" => $passwdstr
);
return $msg;
}
sub _generate_b0_msg() {
sub _generate_b0_msg {
my $msg = _generate_programming_command_message(
"command" => "B",
"commandtype" => 0,
"data" => ""
);
return $msg;
}
sub _generate_programming_command_message(%) {
my %args = @_;
sub _generate_programming_command_message {
my %args = shift;
my $command = $args{command};
my $commandtype = $args{commandtype};
my $data = $args{data};
my $cmdstr = sprintf( "%s%d", $command, $commandtype );
my $msg = $SOH . $cmdstr . $STX . $data . $ETX;
my $cmdstr = sprintf( "%s%d", $command, $commandtype );
my $msg = $SOH . $cmdstr . $STX . $data . $ETX;
$msg .= chr( _calc_bcc($msg) );
return $msg;
}
sub _generate_ack_optionselect_msg(%) {
my %args = @_;
sub _generate_ack_optionselect_msg {
my %args = shift;
my $protocol = $args{protocol};
my $mode = $args{mode};
my $msgstr =
sprintf( "%d:%d", $protocol, $mode ); #the ':' is the baudrate identifier
my $msg = $ACK . $msgstr . $CRLF;
return $msg;
}
sub _generate_request_message(%) {
my %args = @_;
sub _generate_request_message {
my %args = shift;
my $serialnumber = $args{serialnumber};
my $snstr = sprintf( "%012d", $serialnumber );
my $msg =
$STARTCHARACTER
. $TRANSMISSIONREQUESTCOMMAND
. $snstr
. $ENDCHARACTER
. $CRLF;
return $msg;
}