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now using constants for better readability of frame contents

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This commit is contained in:
Patrick Menschel 2019-12-30 19:37:32 +01:00
parent 95a1347654
commit 5bbcadf4fc
1 changed files with 18 additions and 3 deletions
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21
test_drs110m.pl
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@ -140,6 +140,20 @@ sub calc_bcc {
return $bcc;
};
my $SOH = chr(0x01);
my $STX = chr(0x02);
my $ETX = chr(0x03);
my $EOT = chr(0x04);
my $ACK = chr(0x06);
my $NACK = chr(0x15);
my $CRLF = "\r\n";
my $STARTCHARACTER = "/";
my $TRANSMISSIONREQUESTCOMMAND = "?";
my $ENDCHARACTER = "!";
sub generate_r1_msg{
my %args = @_;
my $reg = $args{reg};
@ -168,7 +182,7 @@ sub generate_programming_command_message{
my $commandtype = $args{commandtype};
my $data = $args{data};
my $cmdstr = sprintf("%s%d",$command,$commandtype);
my $msg=chr(0x01).$cmdstr.chr(0x02).$data.chr(0x03);
my $msg=$SOH.$cmdstr.$STX.$data.$ETX;
$msg .= chr(calc_bcc($msg));
return $msg;
};
@ -178,7 +192,7 @@ sub generate_ack_optionselect_msg{
my $protocol = $args{protocol};
my $mode = $args{mode};
my $msgstr = sprintf("%d:%d",$protocol,$mode);#the ':' is the baudrate identifier
my $msg=chr(0x06).$msgstr.chr(0x0D).chr(0x0A);#Todo: make the special characters nicely, note there is no bcc for this msg type
my $msg=$ACK.$msgstr.$CRLF;#Todo: make the special characters nicely, note there is no bcc for this msg type
return $msg;
};
@ -186,7 +200,8 @@ sub generate_ack_optionselect_msg{
sub generate_request_message{
my %args = @_;
my $serialnumber = $args{serialnumber};
my $msg = sprintf("/?%012d!\r\n",$serialnumber);
my $snstr = sprintf("%012d",$serialnumber);
my $msg = $STARTCHARACTER.$TRANSMISSIONREQUESTCOMMAND.$snstr.$ENDCHARACTER.$CRLF;
return $msg;
};