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38_CO20: added changes (advanced features, retries and timeout (by Markus M.)

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git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@8983 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
justme1968
2015-07-26 08:09:47 +00:00
parent 195dbea23e
commit 35bb806b69
1 changed files with 467 additions and 21 deletions
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488
fhem/FHEM/38_CO20.pm
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@@ -19,11 +19,14 @@ CO20_Initialize($)
$hash->{NOTIFYDEV} = "global";
$hash->{NotifyFn} = "CO20_Notify";
$hash->{UndefFn} = "CO20_Undefine";
#$hash->{SetFn} = "CO20_Set";
$hash->{SetFn} = "CO20_Set";
$hash->{GetFn} = "CO20_Get";
$hash->{AttrFn} = "CO20_Attr";
$hash->{AttrList} = "disable:1 ".
"advanced:1 ".
"interval ".
"retries ".
"timeout ".
$readingFnAttributes;
}
@@ -47,6 +50,10 @@ CO20_Define($$)
$hash->{NAME} = $name;
$hash->{fail} = 0;
$hash->{seq2} = 0x67;
$hash->{seq4} = 0x0001;
if( $init_done ) {
CO20_Disconnect($hash);
CO20_Connect($hash);
@@ -71,6 +78,61 @@ CO20_Notify($$)
my $VENDOR = 0x03eb;
my $PRODUCT = 0x2013;
sub
CO20_SetStickData($$)
{
my ($hash, $data) = @_;
my $name = $hash->{NAME};
my $strlen = length($data);
my $ind = 0;
Log3 $name, 5, "datalen $strlen";
if($strlen == 240) {
$ind = index($data, "warn1")+22;
$hash->{KNOB_CO2_VOC_level_warn1} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "warn2")+22;
$hash->{KNOB_CO2_VOC_level_warn2} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "Reg_Set")+20;
$hash->{KNOB_Reg_Set} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "Reg_P")+19;
$hash->{KNOB_Reg_P} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "Reg_I")+19;
$hash->{KNOB_Reg_I} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "Reg_D")+19;
$hash->{KNOB_Reg_D} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "LogInterval")+27;
$hash->{KNOB_LogInterval} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
$ind = index($data, "ui16StartupBits")+30;
$hash->{KNOB_ui16StartupBits} = ord(substr($data,$ind+1,1))*256 + ord(substr($data,$ind,1));
} elsif($strlen == 32) {
$ind = index($data, ";");
$hash->{FLAG_WARMUP} = ord(substr($data,$ind+3,1))*256 + ord(substr($data,$ind+2,1));
$hash->{FLAG_BURN_IN} = ord(substr($data,$ind+7,1))*256 + ord(substr($data,$ind+6,1));
$hash->{FLAG_RESET_BASELINE} = ord(substr($data,$ind+11,1))*256 + ord(substr($data,$ind+10,1));
$hash->{FLAG_CALIBRATE_HEATER} = ord(substr($data,$ind+15,1))*256 + ord(substr($data,$ind+14,1));
$hash->{FLAG_LOGGING} = ord(substr($data,$ind+19,1))*256 + ord(substr($data,$ind+18,1));
} elsif($strlen == 1) {
delete( $hash->{KNOB_CO2_VOC_level_warn1} );
delete( $hash->{KNOB_CO2_VOC_level_warn2} );
delete( $hash->{KNOB_Reg_Set} );
delete( $hash->{KNOB_Reg_P} );
delete( $hash->{KNOB_Reg_I} );
delete( $hash->{KNOB_Reg_D} );
delete( $hash->{KNOB_LogInterval} );
delete( $hash->{KNOB_ui16StartupBits} );
delete( $hash->{FLAG_WARMUP} );
delete( $hash->{FLAG_BURN_IN} );
delete( $hash->{FLAG_RESET_BASELINE} );
delete( $hash->{FLAG_CALIBRATE_HEATER} );
delete( $hash->{FLAG_LOGGING} );
}
return undef;
}
sub
CO20_Connect($)
{
@@ -121,12 +183,13 @@ CO20_Connect($)
} elsif( $ret != 0 ) {
Log3 $name, 3, "$name: failed to claim CO20 device";
CO20_Disconnect($hash);
return;
}
$hash->{STATE} = "opened";
Log3 $name, 3, "$name: CO20 device opened";
my $interval = AttrVal($name, "interval", 0);
my $interval = AttrVal($name, "interval", 300);
$interval = 60*5 if( !$interval );
$hash->{INTERVAL} = $interval;
@@ -163,6 +226,10 @@ CO20_Disconnect($)
delete( $hash->{manufacturer} );
delete( $hash->{product} );
delete( $hash->{BLOCKED} );
delete $hash->{FIRMWARE};
CO20_SetStickData($hash,"X");
$hash->{STATE} = "disconnected";
Log3 $name, 3, "$name: disconnected";
}
@@ -173,17 +240,16 @@ CO20_Undefine($$)
my ($hash, $arg) = @_;
CO20_Disconnect($hash);
$hash->{fail} = 0;
return undef;
}
sub
CO20_Set($$@)
CO20_identify($)
{
my ($hash, $name, $cmd) = @_;
my $list = "";
return "Unknown argument $cmd, choose one of $list";
my ($hash) = @_;
CO20_dataread($hash,"stickdata");
}
sub
@@ -197,41 +263,363 @@ CO20_poll($)
InternalTimer(gettimeofday()+$hash->{INTERVAL}, "CO20_poll", $hash, 0);
}
if( $hash->{manufacturer} && $hash->{product} ) {
my $buf = "\x40\x68\x2a\x54\x52\x0a\x40\x40\x40\x40\x40\x40\x40\x40\x40\x40";
my $ret = $hash->{DEV}->interrupt_write(0x00000002, $buf, 0x0000010, 1000);
if($hash->{BLOCKED}) {
return undef;
}
if( $hash->{manufacturer} && $hash->{product} ) {
my $buf = "@".sprintf("%c",$hash->{seq2})."TRF?\n@@@@@@@@@";
Log3 $name, 5, "$name: sent $buf / ".ord(substr($buf,0,1));
my $ret = $hash->{DEV}->interrupt_write(0x00000002, $buf, 0x0000010, $hash->{timeout});
if( $ret != 16 ) {
my $ret2 = $hash->{DEV}->interrupt_write(0x00000002, "@@@@@@@@@@@@@@@@", 0x0000010, $hash->{timeout});
$hash->{fail} = $hash->{fail}+1;
Log3 $name, 4, "$name: write error $ret/$ret2 ($hash->{fail})";
RemoveInternalTimer($hash);
InternalTimer(gettimeofday()+30, "CO20_poll", $hash, 1);
if($hash->{fail} >= $hash->{retries}) {
$hash->{fail} = 0;
CO20_Disconnect($hash);
$hash->{RECONNECT} = 1;
CO20_Connect($hash);
}
return undef;
}
if ($hash->{seq2} < 0xFF){ $hash->{seq2}++} else {$hash->{seq2} = 0x67};
my $data="";
for( $a = 1; $a <= 3; $a = $a + 1 ){
$ret=$hash->{DEV}->interrupt_read(0x00000081, $buf, 0x0000010, $hash->{timeout});
if( $ret != 16 and $ret != 0 ) {
Log3 $name, 4, "$name: read error $ret";
}
$data.=$buf;
}
Log3 $name, 4, "$name got $data / ".length($data)." / ".ord(substr($data,0,1));
if( $ret != 16 and $ret != 0 and length($data) < 16 ) {
$hash->{fail} = $hash->{fail}+1;
RemoveInternalTimer($hash);
InternalTimer(gettimeofday()+30, "CO20_poll", $hash, 1);
Log3 $name, 4, "$name: readloop error $ret ($hash->{fail})";
if($hash->{fail} >= $hash->{retries}) {
$hash->{fail} = 0;
CO20_Disconnect($hash);
$hash->{RECONNECT} = 1;
CO20_Connect($hash);
}
return undef;
}
if( length($data) >= 16 ) {
$data = "@".$data if(ord(substr($data,0,1)) > 64);
$hash->{fail} = 0;
my $voc = ord(substr($data,3,1))*256 + ord(substr($data,2,1));
my $dbg = ord(substr($data,5,1))*256 + ord(substr($data,4,1));
my $pwm = ord(substr($data,7,1))*256 + ord(substr($data,6,1));
my $rh = ord(substr($data,9,1))*256 + ord(substr($data,8,1));
my $rs = ord(substr($data,14,1))*65536 + ord(substr($data,13,1))*256 + ord(substr($data,12,1));
if (ord(substr($data,3,1)) < 128) {
readingsBeginUpdate($hash);
readingsBulkUpdate( $hash, "voc", $voc, 1 );
readingsBulkUpdate( $hash, "debug", $dbg, 1 );
readingsBulkUpdate( $hash, "pwm", $pwm, 1 );
readingsBulkUpdate( $hash, "r_h", $rh/100, 1 );
readingsBulkUpdate( $hash, "r_s", $rs, 1 );
readingsEndUpdate($hash,1);
}
#my $bufdec = ord(substr($buf,0,1))." ".ord(substr($buf,1,1))." ".ord(substr($buf,2,1))." ".ord(substr($buf,3,1))." ".ord(substr($buf,4,1))." ".ord(substr($buf,5,1))." ".ord(substr($buf,6,1))." ".ord(substr($buf,7,1))." ".ord(substr($buf,8,1))." ".ord(substr($buf,9,1))." ".ord(substr($buf,10,1))." ".ord(substr($buf,11,1))." ".ord(substr($buf,12,1))." ".ord(substr($buf,13,1))." ".ord(substr($buf,14,1))." ".ord(substr($buf,15,1))." ".ord(substr($buf,16,1));
# Log3 $name, 5, "$name: read 1 success\n$bufdec";
$ret = $hash->{DEV}->interrupt_read(0x00000081, $buf, 0x0000010, 1000);
if( $ret == 16 ) {
my $voc = ord(substr($buf,3,1))*256 + ord(substr($buf,2,1));
readingsSingleUpdate($hash, "voc", $voc, 1 );
$hash->{DEV}->interrupt_read(0x00000081, $buf, 0x0000010, 1000);
} else {
Log3 $name, 3, "$name: read failed";
$hash->{fail} = $hash->{fail}+1;
Log3 $name, 2, "$name: read failed $ret ($hash->{fail})";
if($hash->{fail} >= $hash->{retries}) {
$hash->{fail} = 0;
CO20_Disconnect($hash);
$hash->{RECONNECT} = 1;
CO20_Connect($hash);
}
}
$hash->{LAST_POLL} = FmtDateTime( gettimeofday() );
} else {
Log3 $name, 2, "$name: no device";
$hash->{fail} = 0;
CO20_Disconnect($hash);
$hash->{RECONNECT} = 1;
CO20_Connect($hash);
}
}
sub
CO20_dataread($$)
{
my ($hash, $readingstype) = @_;
my $name = $hash->{NAME};
my $reqstr = "";
my $retcount = 16;
if($readingstype eq "knobdata") {
$reqstr = "KNOBPRE?";
$retcount = 16;
} elsif ($readingstype eq "flagdata") {
$reqstr = "FLAGGET?";
$retcount = 3;
} elsif ($readingstype eq "stickdata") {
$reqstr = "*IDN?";
$retcount = 8;
} else {
return undef;
}
RemoveInternalTimer($hash);
InternalTimer(gettimeofday()+$hash->{INTERVAL}, "CO20_poll", $hash, 1);
if( $hash->{manufacturer} && $hash->{product} ) {
my $seq = sprintf("%04X",$hash->{seq4});
my $seqstr = sprintf("%c",hex substr($seq,2,2)).sprintf("%c",hex substr($seq,0,2));
$hash->{seq4} = ($hash->{seq4} +1) & 0xFFFF;
my $buf = substr("@".$seq.$reqstr."\n@@@@@@@@@@@@@@@@",0,16);
my $ret = $hash->{DEV}->interrupt_write(0x00000002, $buf, 0x0000010, $hash->{timeout});
Log3 $name, 4, "getdata write $ret" if($ret != 16);
my $data = "";
my $intdata = "";
if($ret == 16) {
for( $a = 1; $a <= $retcount; $a = $a + 1 ){
$hash->{DEV}->interrupt_read(0x00000081, $buf, 0x0000010, $hash->{timeout});
$data.=$buf;
Log3 $name, 4, "getdata read $ret" if($ret != 16);
$intdata = ord(substr($buf,0,1))." ".ord(substr($buf,1,1))." ".ord(substr($buf,2,1))." ".ord(substr($buf,3,1))." ".ord(substr($buf,4,1))." ".ord(substr($buf,5,1))." ".ord(substr($buf,6,1))." ".ord(substr($buf,7,1))." ".ord(substr($buf,8,1))." ".ord(substr($buf,9,1))." ".ord(substr($buf,10,1))." ".ord(substr($buf,11,1))." ".ord(substr($buf,12,1))." ".ord(substr($buf,13,1))." ".ord(substr($buf,14,1))." ".ord(substr($buf,15,1));
Log3 $name, 5, "$intdata\n$buf";
}
Log3 $name, 5, length($data);
}
if($readingstype eq "knobdata") {
CO20_SetStickData($hash,$data);
} elsif ($readingstype eq "flagdata") {
CO20_SetStickData($hash,$data);
} elsif ($readingstype eq "stickdata") {
if ($data =~ /\bStick\b(.*?)\bMCU\b/) {
$hash->{FIRMWARE} = $1;
}
if ($data =~ /\bS\/N:\b(.*?)\b;bI\b/) {
$hash->{SERIALNUMBER} = $1;
}
}
}
}
sub
CO20_flashread($)
{
my ($hash) = @_;
my $name = $hash->{NAME};
# 40 30 30 31 31 52 45 43 4F 52 44 53 3F 0A 40 40 @0011RECORDS?.@@
#
# 40 30 30 31 32 4C 42 53 49 5A 45 3F 0A 40 40 40 @0012LBSIZE?.@@@
#
# 40 30 30 31 33 46 4C 53 54 4F 50 0A 40 40 40 40 @0013FLSTOP.@@@@
#
# 40 30 30 31 34 4C 42 53 49 5A 45 3F 0A 40 40 40 @0014LBSIZE?.@@@
#
# 40 30 30 31 35 2A 49 44 4E 3F 0A 40 40 40 40 40 @0015*IDN?.@@@@@
#
# 40 30 30 31 36 4C 42 41 56 47 3B 31 30 30 0A 40 @0016LBAVG;100.@
#
# 40 6A 4C 42 52 0A 40 40 40 40 40 40 40 40 40 40 @jLBR.@@@@@@@@@@ n times ?
#
# 40 30 30 31 37 46 4C 53 54 41 52 54 0A 40 40 40 @0017FLSTART.@@@ n times ?
#
# 2 reads each
}
sub
CO20_dataset($$$)
{
my ($hash, $cmd, $val) = @_;
my $name = $hash->{NAME};
my $reqstr = "";
if($cmd eq "flag_WARMUP") {
$reqstr = "FLAGSET;WARMUP="; # 0000
} elsif($cmd eq "flag_BURN-IN") {
$reqstr = "FLAGSET;BURN-IN="; # 0000
} elsif($cmd eq "flag_RESET_BASELINE") {
$reqstr = "FLAGSET;RESET BASELINE="; # 0000
} elsif($cmd eq "flag_CALIBRATE_HEATER") {
$reqstr = "FLAGSET;CALIBRATE HEATER="; # 0000
} elsif($cmd eq "flag_LOGGING") {
$reqstr = "FLAGSET;LOGGING="; # 0000
} elsif($cmd eq "knob_CO2/VOC_level_warn1") {
$reqstr = "KNOBSET;CO2/VOC level_warn1=";
} elsif($cmd eq "knob_CO2/VOC_level_warn2") {
$reqstr = "KNOBSET;CO2/VOC level_warn2=";
} elsif($cmd eq "knob_Reg_Set") {
$reqstr = "KNOBSET;Reg_Set="; # 9100
} elsif($cmd eq "knob_Reg_P") {
$reqstr = "KNOBSET;Reg_P="; # 0300
} elsif($cmd eq "knob_Reg_I") {
$reqstr = "KNOBSET;Reg_I="; # 0A00
} elsif($cmd eq "knob_Reg_D") {
$reqstr = "KNOBSET;Reg_D="; # 0000
} elsif($cmd eq "knob_LogInterval") {
$reqstr = "KNOBSET;LogInterval="; # 0000
} elsif($cmd eq "knob_ui16StartupBits") {
$reqstr = "KNOBSET;ui16StartupBits="; # 0000
} elsif($cmd eq "recalibrate_heater") {
$reqstr = "FLAGSET;CALIBRATE HEATER="; # 0180
} elsif($cmd eq "reset_baseline") {
$reqstr = "FLAGSET;RESET BASELINE="; # 0180
} elsif($cmd eq "reset_device") {
$reqstr = "*RST";
}
RemoveInternalTimer($hash);
InternalTimer(gettimeofday()+$hash->{INTERVAL}, "CO20_poll", $hash, 1);
if( $hash->{manufacturer} && $hash->{product} ) {
my $seq = sprintf("%04X",$hash->{seq4});
$hash->{seq4} = ($hash->{seq4} +1) & 0xFFFF;
my $buf = "@".$seq.$reqstr;
if($cmd ne "reset_device") {
$buf .= "\x02";
if($cmd eq "recalibrate_heater" or $cmd eq "reset_baseline") {
$buf .= "\x01\x80";
} else {
my $h = sprintf("%04X",$val & 0xFFFF);
$buf .= sprintf("%c",hex substr($h,2,2)).sprintf("%c",hex substr($h,0,2));
Log3 $name, 5, "$val $h \n";
}
}
if (index($reqstr, "KNOBSET") != -1) {
$buf .= ";";
}
$buf .= "\n";
my $buflen = length($buf);
$buf .= "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@";
my $ret = $hash->{DEV}->interrupt_write(0x00000002, substr($buf,0,16), 0x0000010, $hash->{timeout});
Log3 $name, 4, "setdata write $ret" if($ret != 16);
if($ret == 16 and ($buflen > 16 or $cmd eq "reset_device")) {
$ret = $hash->{DEV}->interrupt_write(0x00000002, substr($buf,16,16), 0x0000010, $hash->{timeout});
Log3 $name, 4, "setdata write $ret" if($ret != 16);
}
if($ret == 16 and $buflen > 32) {
$ret = $hash->{DEV}->interrupt_write(0x00000002, substr($buf,32,16), 0x0000010, $hash->{timeout});
Log3 $name, 4, "setdata write $ret" if($ret != 16);
}
if($ret == 16) {
$hash->{DEV}->interrupt_read(0x00000081, $buf, 0x0000010, $hash->{timeout});
Log3 $name, 5, "getdata read $ret";
my $intdata .= ord(substr($buf,0,1))." ".ord(substr($buf,1,1))." ".ord(substr($buf,2,1))." ".ord(substr($buf,3,1))." ".ord(substr($buf,4,1))." ".ord(substr($buf,5,1))." ".ord(substr($buf,6,1))." ".ord(substr($buf,7,1))." ".ord(substr($buf,8,1))." ".ord(substr($buf,9,1))." ".ord(substr($buf,10,1))." ".ord(substr($buf,11,1))." ".ord(substr($buf,12,1))." ".ord(substr($buf,13,1))." ".ord(substr($buf,14,1))." ".ord(substr($buf,15,1));
Log3 $name, 4, "$buf";
} else {
Log3 $name, 4, "set data failed: $buf";
return undef;
}
}
return undef;
}
sub
CO20_Get($$@)
{
my ($hash, $name, $cmd) = @_;
my $list = "update:noArg";
$list = "update:noArg air_data:noArg knob_data:noArg flag_data:noArg stick_data:noArg" if( AttrVal($name, "advanced", 0 ) == 1 );
if( $cmd eq "update" ) {
if( $cmd eq "air_data" or $cmd eq "update" ) {
$hash->{LOCAL} = 1;
CO20_poll($hash);
delete $hash->{LOCAL};
return undef;
} elsif( $cmd eq "knob_data" ) {
$hash->{BLOCKED} = 1;
CO20_dataread($hash,"knobdata");
delete $hash->{BLOCKED};
return undef;
} elsif( $cmd eq "flag_data" ) {
$hash->{BLOCKED} = 1;
CO20_dataread($hash,"flagdata");
delete $hash->{BLOCKED};
return undef;
} elsif( $cmd eq "stick_data" ) {
$hash->{BLOCKED} = 1;
CO20_dataread($hash,"stickdata");
delete $hash->{BLOCKED};
return undef;
}
return "Unknown argument $cmd, choose one of $list";
}
sub
CO20_Set($$$$)
{
my ($hash, $name, $cmd, $val) = @_;
my $list = "";
$list = "flag_WARMUP flag_BURN-IN flag_RESET_BASELINE flag_CALIBRATE_HEATER flag_LOGGING knob_CO2/VOC_level_warn1 knob_CO2/VOC_level_warn2 knob_Reg_Set knob_Reg_P knob_Reg_I knob_Reg_D knob_LogInterval knob_ui16StartupBits recalibrate_heater:noArg reset_baseline:noArg reset_device:noArg" if( AttrVal($name, "advanced", 0 ) == 1 );
if (index($list, $cmd) != -1) {
$hash->{BLOCKED} = 1;
CO20_dataset($hash,$cmd,$val);
delete $hash->{BLOCKED};
return undef;
}
return "Unknown argument $cmd, choose one of $list";
@@ -243,8 +631,10 @@ CO20_Attr($$$)
my ($cmd, $name, $attrName, $attrVal) = @_;
my $orig = $attrVal;
$attrVal = int($attrVal) if($attrName eq "interval");
$attrVal = 60 if($attrName eq "interval" && $attrVal < 60 && $attrVal != 0);
$attrVal = int($attrVal) if($attrName eq "interval" || $attrName eq "retries" || $attrName eq "timeout");
$attrVal = 30 if($attrName eq "interval" && $attrVal < 30 && $attrVal != 0);
$attrVal = 3 if($attrName eq "retries" && ($attrVal < 0 || $attrVal > 60));
$attrVal = 1000 if($attrName eq "timeout" && ($attrVal < 500 || $attrVal > 10000));
if( $attrName eq "disable" ) {
my $hash = $defs{$name};
@@ -259,6 +649,12 @@ CO20_Attr($$$)
my $hash = $defs{$name};
$hash->{INTERVAL} = $attrVal;
CO20_poll($hash) if( $init_done );
} elsif( $attrName eq "retries" ) {
my $hash = $defs{$name};
$hash->{retries} = $attrVal;
} elsif( $attrName eq "timeout" ) {
my $hash = $defs{$name};
$hash->{timeout} = $attrVal;
}
if( $cmd eq "set" ) {
@@ -292,6 +688,9 @@ CO20_Attr($$$)
<li>FHEM has to have permissions to open the device. To configure this with udev
rules see here: <a href="https://code.google.com/p/usb-sensors-linux/wiki/Install_AirSensor_Linux">Install_AirSensor_Linux
usb-sensors-linux</a></li>
<li>Advanced features are only available after setting the attribute <i>advanced</i>.<br>
Almost all the hidden settings from the Windows application are implemented in this mode.<br>
Readout of values gathered in standalone mode is not possible yet.</li>
</ul><br>
<a name="CO20_Define"></a>
@@ -312,14 +711,59 @@ usb-sensors-linux</a></li>
<b>Readings</b>
<ul>
<li>voc<br>
CO2 equivalents in the range of 450-2000ppm.</li>
CO2 equivalents in ppm</li>
<li>debug<br>
debug value</li>
<li>pwm<br>
pwm value</li>
<li>r_h<br>
resistance of heating element in Ohm (?)</li>
<li>r_s<br>
resistance of sensor element in Ohm (?)</li>
</ul><br>
<a name="CO20_Get"></a>
<b>Get</b>
<ul>
<li>update<br>
<li>update / air_data<br>
trigger an update</li>
<li>flag_data<br>
get internal flag values</li>
<li>knob_data<br>
get internal knob values</li>
<li>stick_data<br>
get stick information</li>
</ul><br>
<a name="CO20_Set"></a>
<b>Set</b>
<ul>
<li>KNOB_CO2_VOC_level_warn1<br>
sets threshold for yellow led</li>
<li>KNOB_CO2_VOC_level_warn2<br>
sets threshold for red led</li>
<li>KNOB_Reg_Set<br>
internal value, affects voc reading</li>
<li>KNOB_Reg_P<br>
internal pid value</li>
<li>KNOB_Reg_I<br>
internal pid value</li>
<li>KNOB_Reg_D<br>
internal pid value</li>
<li>KNOB_LogInterval<br>
log interval for standalone mode</li>
<li>KNOB_ui16StartupBits<br>
set to 0 for no automatic calibration on startup</li>
<li>FLAG_WARMUP<br>
warmup time left in minutes</li>
<li>FLAG_BURN_IN<br>
burn in time left in minutes</li>
<li>FLAG_RESET_BASELINE<br>
reset voc baseline value</li>
<li>FLAG_CALIBRATE_HEATER<br>
trigger calibration / burn in</li>
<li>FLAG_LOGGING<br>
value count from external logging</li>
</ul><br>
<a name="CO20_Attr"></a>
@@ -327,6 +771,8 @@ usb-sensors-linux</a></li>
<ul>
<li>interval<br>
the interval in seconds used to read updates. the minimum and default ist 60.</li>
<li>advanced<br>
1 -> enables most of the advanced settings and readings described here</li>
<li>disable<br>
1 -> disconnect and stop polling</li>
</ul>