mirror of
https://github.com/fhem/fhem-mirror.git
synced 2025-04-17 11:26:03 +00:00
updated commandref
git-svn-id: https://svn.fhem.de/fhem/trunk@6206 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
klauswitt
parent
3ce996bc02
commit
fc130a6a18
@ -30,45 +30,44 @@ my $libcheck_SMBus = 1;
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my $check_ioctl_ph = 1;
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sub RPII2C_Initialize($) {
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my ($hash) = @_;
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eval "use Device::SMBus;";
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$libcheck_SMBus = 0 if($@);
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eval {require "sys/ioctl.ph"};
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$check_ioctl_ph = 0 if($@);
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my ($hash) = @_;
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eval "use Device::SMBus;";
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$libcheck_SMBus = 0 if($@);
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eval {require "sys/ioctl.ph"};
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$check_ioctl_ph = 0 if($@);
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# Provider
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$hash->{Clients} = join (':',@clients);
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#$hash->{WriteFn} = "RPII2C_Write"; #wird vom client per IOWrite($@) aufgerufen
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$hash->{I2CWrtFn} = "RPII2C_Write"; #zum testen als alternative fuer IOWrite
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#$hash->{WriteFn} = "RPII2C_Write"; #wird vom client per IOWrite($@) aufgerufen
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$hash->{I2CWrtFn} = "RPII2C_Write"; #zum testen als alternative fuer IOWrite
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# Normal devices
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$hash->{DefFn} = "RPII2C_Define";
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$hash->{UndefFn} = "RPII2C_Undef";
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$hash->{GetFn} = "RPII2C_Get";
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$hash->{SetFn} = "RPII2C_Set";
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$hash->{AttrFn} = "RPII2C_Attr";
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$hash->{DefFn} = "RPII2C_Define";
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$hash->{UndefFn} = "RPII2C_Undef";
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$hash->{GetFn} = "RPII2C_Get";
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$hash->{SetFn} = "RPII2C_Set";
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$hash->{AttrFn} = "RPII2C_Attr";
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$hash->{NotifyFn} = "RPII2C_Notify";
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$hash->{AttrList}= "do_not_notify:1,0 ignore:1,0 showtime:1,0 " .
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"$readingFnAttributes";
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$hash->{AttrList}= "do_not_notify:1,0 ignore:1,0 showtime:1,0 " .
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"$readingFnAttributes";
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$hash->{AttrList} .= " useHWLib:IOCTL,SMBus " if( $libcheck_SMBus && $check_ioctl_ph);
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$hash->{AttrList} .= " swap_i2c0:off,on";
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}
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#####################################
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sub RPII2C_Define($$) { #
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my ($hash, $def) = @_;
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my @a = split("[ \t][ \t]*", $def);
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unless(@a == 3) {
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my $msg = "wrong syntax: define <name> RPII2C <0|1>";
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Log3 undef, 2, $msg;
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return $msg;
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}
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my ($hash, $def) = @_;
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my @a = split("[ \t][ \t]*", $def);
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unless(@a == 3) {
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my $msg = "wrong syntax: define <name> RPII2C <0|1>";
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Log3 undef, 2, $msg;
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return $msg;
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}
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$hash->{SMBus_exists} = $libcheck_SMBus if($libcheck_SMBus);
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$hash->{ioctl_ph_exists} = $check_ioctl_ph if($check_ioctl_ph);
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my $name = $a[0];
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my $dev = $a[2];
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my $dev = $a[2];
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if ($check_ioctl_ph) {
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$hash->{hwfn} = \&RPII2C_HWACCESS_ioctl;
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@ -78,53 +77,53 @@ sub RPII2C_Define($$) { #
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return $name . ": Error! no library for Hardware access installed";
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}
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my $device = "/dev/i2c-".$dev;
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if ( RPII2C_CHECK_GPIO_DEVICE($device) ) {
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Log3 $hash, 1, "file $device not accessible try to use gpio utility to fix it";
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if ( RPII2C_CHECK_I2C_DEVICE($device) ) {
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Log3 $hash, 3, "$hash->{NAME}: file $device not accessible try to use gpio utility to fix it";
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if ( defined(my $ret = RPII2C_CHECK_GPIO_UTIL($gpioprg)) ) {
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Log3 $hash, 1, $ret if $ret;
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Log3 $hash, 1, "$hash->{NAME}: " . $ret if $ret;
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} else { #I2C Devices mit gpio utility fuer FHEM User lesbar machen
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my $exp = $gpioprg.' load i2c';
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$exp = `$exp`;
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}
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}
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}
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$hash->{NOTIFYDEV} = "global";
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#$hash->{Clients} = $clientsI2C;
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#$hash->{MatchList} = \%matchListI2C;
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#$hash->{Clients} = $clientsI2C;
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#$hash->{MatchList} = \%matchListI2C;
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if($dev eq "none") {
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Log3 $name, 1, "$name device is none, commands will be echoed only";
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$attr{$name}{dummy} = 1;
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return undef;
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}
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my $check = RPII2C_CHECK_GPIO_DEVICE($device);
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return $name . $check if $check;
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if($dev eq "none") {
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Log3 $name, 1, "$name device is none, commands will be echoed only";
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$attr{$name}{dummy} = 1;
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return undef;
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}
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my $check = RPII2C_CHECK_I2C_DEVICE($device);
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return $name . $check if $check;
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$hash->{DeviceName} = $device;
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$hash->{STATE} = "initialized";
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return undef;
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return undef;
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}
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#####################################
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sub RPII2C_Notify { #
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my ($hash,$dev) = @_;
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my $name = $hash->{NAME};
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my $type = $hash->{TYPE};
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if( grep(m/^(INITIALIZED|REREADCFG)$/, @{$dev->{CHANGED}}) ) {
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RPII2C_forall_clients($hash,\&RPII2C_Init_Client,undef);;
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} elsif( grep(m/^SAVE$/, @{$dev->{CHANGED}}) ) {
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}
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my ($hash,$dev) = @_;
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my $name = $hash->{NAME};
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my $type = $hash->{TYPE};
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if( grep(m/^(INITIALIZED|REREADCFG)$/, @{$dev->{CHANGED}}) ) {
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RPII2C_forall_clients($hash,\&RPII2C_Init_Client,undef);;
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} elsif( grep(m/^SAVE$/, @{$dev->{CHANGED}}) ) {
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}
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}
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#####################################
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sub RPII2C_forall_clients($$$) { #
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my ($hash,$fn,$args) = @_;
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foreach my $d ( sort keys %main::defs ) {
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if ( defined( $main::defs{$d} )
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&& defined( $main::defs{$d}{IODev} )
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&& $main::defs{$d}{IODev} == $hash ) {
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&$fn($main::defs{$d},$args);
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}
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}
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return undef;
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my ($hash,$fn,$args) = @_;
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foreach my $d ( sort keys %main::defs ) {
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if ( defined( $main::defs{$d} )
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&& defined( $main::defs{$d}{IODev} )
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&& $main::defs{$d}{IODev} == $hash ) {
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&$fn($main::defs{$d},$args);
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}
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}
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return undef;
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}
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#####################################
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sub RPII2C_Init_Client($@) { #
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@ -142,19 +141,19 @@ sub RPII2C_Init_Client($@) { #
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}
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#####################################
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sub RPII2C_Undef($$) { #
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my ($hash, $arg) = @_;
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my $name = $hash->{NAME};
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my ($hash, $arg) = @_;
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my $name = $hash->{NAME};
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foreach my $d (sort keys %defs) {
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if(defined($defs{$d}) &&
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defined($defs{$d}{IODev}) &&
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$defs{$d}{IODev} == $hash)
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{
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Log3 $name, 3, "deleting port for $d";
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delete $defs{$d}{IODev};
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}
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}
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return undef;
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foreach my $d (sort keys %defs) {
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if(defined($defs{$d}) &&
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defined($defs{$d}{IODev}) &&
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$defs{$d}{IODev} == $hash)
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{
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Log3 $name, 3, "deleting port for $d";
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delete $defs{$d}{IODev};
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}
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}
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return undef;
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}
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#####################################
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sub RPII2C_Attr(@){
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@ -170,20 +169,20 @@ sub RPII2C_Attr(@){
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}
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#####################################
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sub RPII2C_Set($@) { #writeBlock noch nicht fertig
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my ($hash, @a) = @_;
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my $name = shift @a;
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my $type = shift @a;
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my ($hash, @a) = @_;
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my $name = shift @a;
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my $type = shift @a;
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my @sets = ('writeByte', 'writeByteReg', 'writeBlock'); #, 'writeNBlock');
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return "Unknown argument $type, choose one of " . join(" ", @sets) if @a < 2;
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return "Unknown argument $type, choose one of " . join(" ", @sets) if @a < 2;
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foreach (@a) { #Hexwerte pruefen und in Dezimalwerte wandeln
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return "$name: $_ is no 1byte hexadecimal value" if $_ !~ /^(0x|)[0-9A-F]{1,2}$/xi ;
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$_ = hex;
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}
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my $i2ca = shift @a;
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my $i2ca = shift @a;
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return "$name: I2C Address not valid" unless ($i2ca > 3 && $i2ca < 128); #pruefe auf Hexzahl zwischen 4 und 7F
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my $i2chash = { i2caddress => $i2ca, direction => "i2cwrite" };
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my $i2chash = { i2caddress => $i2ca, direction => "i2cwrite" };
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my ($reg, $nbyte, $data) = undef;
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if ($type eq "writeByte") {
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$data = join(" ", @a);
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@ -218,15 +217,15 @@ sub RPII2C_Set($@) { #writeBlock noch nicht fertig
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}
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##################################### fertig?
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sub RPII2C_Get($@) { #
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my ($hash, @a) = @_;
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my $nargs = int(@a);
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my $name = $hash->{NAME};
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my @gets = ('read');
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unless ( exists($a[1]) && $a[1] ne "?" && grep {/^$a[1]$/} @gets ) {
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my ($hash, @a) = @_;
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my $nargs = int(@a);
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my $name = $hash->{NAME};
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my @gets = ('read');
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unless ( exists($a[1]) && $a[1] ne "?" && grep {/^$a[1]$/} @gets ) {
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return "Unknown argument $a[1], choose one of " . join(" ", @gets);
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}
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}
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if ($a[1] eq "read") {
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return "use: \"get $name $a[1] <i2cAddress> [<RegisterAddress> [<Number od bytes to get>]]\"" if(@a < 3);
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return "use: \"get $name $a[1] <i2cAddress> [<RegisterAddress> [<Number od bytes to get>]]\"" if(@a < 3);
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return "$name: I2C Address not valid" unless ( $a[2] =~ /^(0x|)([0-7]|)[0-9A-F]$/xi);
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return "$name register address must be a hexvalue" if (defined($a[3]) && $a[3] !~ /^(0x|)[0-9A-F]{1,4}$/xi);
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return "$name number of bytes must be decimal value" if (defined($a[4]) && $a[4] !~ /^[0-9]{1,2}$/);
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@ -234,41 +233,41 @@ sub RPII2C_Get($@) { #
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$i2chash->{reg} = hex($a[3]) if defined($a[3]); #startadresse zum lesen
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$i2chash->{nbyte} = $a[4] if defined($a[4]);
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#Log3 $hash, 1, "Reg: ". $i2chash->{reg};
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#my $status = RPII2C_HWACCESS_ioctl($hash, $i2chash);
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#my $status = RPII2C_HWACCESS_ioctl($hash, $i2chash);
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my $status = &{$hash->{hwfn}}($hash, $i2chash);
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#my $received = join(" ", @{$i2chash->{received}}); #als Array
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my $received = $i2chash->{received}; #als Scalar
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undef $i2chash; #Hash loeschen
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return (defined($received) ? "received : " . $received ." | " : "" ) . " transmission: $status";
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}
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return undef;
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return undef;
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}
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#####################################
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sub RPII2C_Write($$) { #wird vom Client aufgerufen
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my ($hash, $clientmsg) = @_;
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my ($hash, $clientmsg) = @_;
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my $name = $hash->{NAME};
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my $ankommen = "$name: vom client empfangen";
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foreach my $av (keys %{$clientmsg}) { $ankommen .= "|" . $av . ": " . $clientmsg->{$av}; }
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foreach my $av (keys %{$clientmsg}) { $ankommen .= "|" . $av . ": " . $clientmsg->{$av}; }
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Log3 $hash, 5, $ankommen;
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if ( $clientmsg->{direction} && $clientmsg->{i2caddress} ) {
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$clientmsg->{$name . "_" . "SENDSTAT"} = &{$hash->{hwfn}}($hash, $clientmsg);
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#$clientmsg->{$name . "_" . "SENDSTAT"} = RPII2C_HWACCESS($hash, $clientmsg);
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#$clientmsg->{$name . "_" . "SENDSTAT"} = RPII2C_HWACCESS($hash, $clientmsg);
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}
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foreach my $d ( sort keys %main::defs ) { #zur Botschaft passenden Clienten ermitteln geht auf Client: I2CRecFn
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#Log3 $hash, 1, "d: $d". ($main::defs{$d}{IODev}? ", IODev: $main::defs{$d}{IODev}":"") . ($main::defs{$d}{I2C_Address} ? ", I2C: $main::defs{$d}{I2C_Address}":"") . ($clientmsg->{i2caddress} ? " CI2C: $clientmsg->{i2caddress}" : "");
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if ( defined( $main::defs{$d} )
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#Log3 $hash, 1, "d: $d". ($main::defs{$d}{IODev}? ", IODev: $main::defs{$d}{IODev}":"") . ($main::defs{$d}{I2C_Address} ? ", I2C: $main::defs{$d}{I2C_Address}":"") . ($clientmsg->{i2caddress} ? " CI2C: $clientmsg->{i2caddress}" : "");
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if ( defined( $main::defs{$d} )
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&& defined( $main::defs{$d}{IODev} ) && $main::defs{$d}{IODev} == $hash
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&& defined( $main::defs{$d}{I2C_Address} ) && defined($clientmsg->{i2caddress})
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&& $main::defs{$d}{I2C_Address} eq $clientmsg->{i2caddress} ) {
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my $chash = $main::defs{$d};
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&& $main::defs{$d}{I2C_Address} eq $clientmsg->{i2caddress} ) {
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my $chash = $main::defs{$d};
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Log3 $hash, 5, "$name ->Client gefunden: $d". ($main::defs{$d}{I2C_Address} ? ", I2Caddress: $main::defs{$d}{I2C_Address}":"") . ($clientmsg->{data} ? " Data: $clientmsg->{data}" : "");
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CallFn($d, "I2CRecFn", $chash, $clientmsg);
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CallFn($d, "I2CRecFn", $chash, $clientmsg);
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undef $clientmsg #Hash loeschen nachdem Daten verteilt wurden
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}
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}
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}
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return undef;
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return undef;
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}
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#####################################
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#FRM_forall_clients($$$)
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@ -285,10 +284,9 @@ sub RPII2C_Write($$) { #wird vom Client aufgerufen
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#}
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#####################################
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sub RPII2C_CHECK_GPIO_DEVICE {
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sub RPII2C_CHECK_I2C_DEVICE {
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my ($dev) = @_;
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my $ret = undef;
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#unless (defined($hash->{gpio_util_exists})) {
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my $ret = undef;
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if(-e $dev) {
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if(-r $dev) {
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unless(-w $dev) {
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@ -305,8 +303,7 @@ sub RPII2C_CHECK_GPIO_DEVICE {
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sub RPII2C_CHECK_GPIO_UTIL {
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my ($gpioprg) = @_;
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my $ret = undef;
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#unless (defined($hash->{gpio_util_exists})) {
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my $ret = undef;
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if(-e $gpioprg) {
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if(-x $gpioprg) {
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unless(-u $gpioprg) {
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@ -336,13 +333,13 @@ sub RPII2C_SWAPI2C0 {
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system "$gpioprg -g mode 1 ALT0";
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}
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} else {
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Log3 $hash, 1, $ret if $ret;
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Log3 $hash, 1, $hash->{NAME} . ": " . $ret if $ret;
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}
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return
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}
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sub RPII2C_HWACCESS($$) {
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my ($hash, $clientmsg) = @_;
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my ($hash, $clientmsg) = @_;
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my $status = "error";
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my $inh = undef;
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Log3 $hash, 5, "$hash->{NAME}: HWaccess I2CAddr: " . sprintf("0x%.2X", $clientmsg->{i2caddress});
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@ -369,23 +366,23 @@ sub RPII2C_HWACCESS($$) {
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# }
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#hier Mehrfachbeschreibung eines Registers noch entfernen und dafuer Bereich mit Registeroperationen beschreiben
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} elsif (defined($clientmsg->{reg}) && defined($clientmsg->{data}) && $clientmsg->{direction} eq "i2cwrite") { #Register beschreiben
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my @data = split(" ", $clientmsg->{data});
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foreach (@data) {
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my @data = split(" ", $clientmsg->{data});
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foreach (@data) {
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$inh = $dev->writeByteData($clientmsg->{reg},$_);
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Log3 $hash, 5, "$hash->{NAME}; Register ".sprintf("0x%.2X", $clientmsg->{reg})." schreiben - Inhalt: " .sprintf("0x%.2X",$_) . " Returnvar.: $inh";
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last if $inh != 0;
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$status = "Ok" if $inh == 0;
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}
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} elsif (defined($clientmsg->{data}) && $clientmsg->{direction} eq "i2cwrite") { #Byte(s) schreiben
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my @data = split(" ", $clientmsg->{data});
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foreach (@data) {
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my @data = split(" ", $clientmsg->{data});
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foreach (@data) {
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$inh = $dev->writeByte($_);
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Log3 $hash, 5, "$hash->{NAME} Byte schreiben; Inh: " . $_ . " Returnvar.: $inh";
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last if $inh != 0;
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$status = "Ok" if $inh == 0;
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}
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} elsif (defined($clientmsg->{reg}) && $clientmsg->{direction} eq "i2cread") { #Register lesen
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my $nbyte = defined($clientmsg->{nbyte}) ? $clientmsg->{nbyte} : 1;
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my $nbyte = defined($clientmsg->{nbyte}) ? $clientmsg->{nbyte} : 1;
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my $rmsg = "";
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for (my $n = 0; $n < $nbyte; $n++) {
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$inh = $dev->readByteData($clientmsg->{reg} + $n );
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@ -426,14 +423,14 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
my ($fh, $msg) = undef;
|
||||
|
||||
my $ankommen = "$hash->{NAME}: vom client empfangen";
|
||||
foreach my $av (keys %{$clientmsg}) { $ankommen .= "|" . $av . ": " . $clientmsg->{$av}; }
|
||||
foreach my $av (keys %{$clientmsg}) { $ankommen .= "|" . $av . ": " . $clientmsg->{$av}; }
|
||||
Log3 $hash, 5, $ankommen;
|
||||
|
||||
my $i2caddr = hex(sprintf "%x", $clientmsg->{i2caddress});
|
||||
if ( sysopen(my $fh, $hash->{DeviceName}, O_RDWR) != 1) { #Datei oeffnen
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess sysopen failure: $!"
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess sysopen failure: $!"
|
||||
} elsif( not defined( ioctl($fh,$I2C_SLAVE,$i2caddr) ) ) { #I2C Adresse per ioctl setzen
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess (0x".unpack( "H2",pack "C", $clientmsg->{i2caddress}).") ioctl failure: $!"
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess (0x".unpack( "H2",pack "C", $clientmsg->{i2caddress}).") ioctl failure: $!"
|
||||
} elsif (defined($clientmsg->{nbyte}) && defined($clientmsg->{reg}) && defined($clientmsg->{data}) && $clientmsg->{direction} eq "i2cblockwrite") { #Registerblock beschreiben
|
||||
my $data = chr($clientmsg->{reg});
|
||||
foreach (split(" ", $clientmsg->{data})) {
|
||||
@ -441,24 +438,24 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
}
|
||||
my $retval = syswrite($fh, $data, length($data));
|
||||
unless (defined($retval) && $retval == length($data)) {
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess blockweise nach 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." schreiben, Reg: 0x". unpack( "H2",pack "C", $clientmsg->{reg}) . " Inh: $clientmsg->{data}, laenge: ".length($data)."| -> syswrite failure: $!";
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess blockweise nach 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." schreiben, Reg: 0x". unpack( "H2",pack "C", $clientmsg->{reg}) . " Inh: $clientmsg->{data}, laenge: ".length($data)."| -> syswrite failure: $!";
|
||||
} else {
|
||||
$status = "Ok";
|
||||
Log3 $hash, 5, "$hash->{NAME}: HWaccess block schreiben, Reg: 0x". unpack( "H2",pack "C", $clientmsg->{reg}) . " Inh(dec):|$clientmsg->{data}|, laenge: |".length($data)."|";
|
||||
}
|
||||
#(my $datah = $data) =~ s/(.|\n)/sprintf("%.2X ",ord($1))/eg;
|
||||
#Log3 $hash, 1, "$hash->{NAME}: HWaccess block schreiben data:|$clientmsg->{data}|, laenge: |".length($data)."|";
|
||||
#Log3 $hash, 1, "$hash->{NAME}: HWaccess block schreiben data:|$clientmsg->{data}|, laenge: |".length($data)."|";
|
||||
#$status = "Ok" if $resulw == length($data);
|
||||
|
||||
} elsif (defined($clientmsg->{data}) && $clientmsg->{direction} eq "i2cwrite") { #byteweise beschreiben
|
||||
my $reg = undef;
|
||||
my $reg = undef;
|
||||
$reg = $clientmsg->{reg} if (defined($clientmsg->{reg}));
|
||||
$status = "Ok";
|
||||
foreach (split(" ", $clientmsg->{data})) {
|
||||
my $data = (defined($reg) ? chr($reg++) : "") . chr($_);
|
||||
my $retval = syswrite($fh, $data, length($data));
|
||||
unless (defined($retval) && $retval == length($data)) {
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess byteweise nach 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." schreiben, ". (defined($reg) ? "Reg: 0x". unpack( "H2",pack "C", ($reg - 1)) . " " : "")."Inh: 0x" . unpack( "H2",pack "C", $_) .", laenge: ".length($data)."| -> syswrite failure: $!";
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess byteweise nach 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." schreiben, ". (defined($reg) ? "Reg: 0x". unpack( "H2",pack "C", ($reg - 1)) . " " : "")."Inh: 0x" . unpack( "H2",pack "C", $_) .", laenge: ".length($data)."| -> syswrite failure: $!";
|
||||
$status = "error";
|
||||
last;
|
||||
}
|
||||
@ -472,14 +469,14 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
Log3 $hash, 5, "$hash->{NAME}: HWaccess byteweise lesen setze Registerpointer auf " . ($clientmsg->{reg} + $n);
|
||||
my $retval = syswrite($fh, chr($clientmsg->{reg} + $n), 1);
|
||||
unless (defined($retval) && $retval == 1) {
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess byteweise von 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." lesen,". (defined($clientmsg->{reg}) ? " Reg: 0x". unpack( "H2",pack "C", ($clientmsg->{reg} + $n)) : "") . " -> syswrite failure: $!" if $!;
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess byteweise von 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." lesen,". (defined($clientmsg->{reg}) ? " Reg: 0x". unpack( "H2",pack "C", ($clientmsg->{reg} + $n)) : "") . " -> syswrite failure: $!" if $!;
|
||||
last;
|
||||
}
|
||||
}
|
||||
my $buf = undef;
|
||||
my $retval = sysread($fh, $buf, 1);
|
||||
unless (defined($retval) && $retval == 1) {
|
||||
Log3 $hash, 1, "$hash->{NAME}: HWaccess byteweise von 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." lesen,". (defined($clientmsg->{reg}) ? " Reg: 0x". unpack( "H2",pack "C", ($clientmsg->{reg} + $n)) : "") . " -> sysread failure: $!" if $!;
|
||||
Log3 $hash, 3, "$hash->{NAME}: HWaccess byteweise von 0x".unpack( "H2",pack "C", $clientmsg->{i2caddress})." lesen,". (defined($clientmsg->{reg}) ? " Reg: 0x". unpack( "H2",pack "C", ($clientmsg->{reg} + $n)) : "") . " -> sysread failure: $!" if $!;
|
||||
last;
|
||||
}
|
||||
$rmsg .= ord($buf);
|
||||
@ -508,43 +505,45 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
<b>preliminary:</b><br>
|
||||
<ul>
|
||||
<li>
|
||||
Access rights for /dev/i2c-* devices
|
||||
load I2C kernel modules:<br>
|
||||
open /etc/modules<br>
|
||||
<ul><code>sudo nano /etc/modules</code></ul><br>
|
||||
add these lines<br>
|
||||
<ul><code>
|
||||
i2c-dev<br>
|
||||
i2c-bcm2708<br>
|
||||
</code></ul>
|
||||
</li><br>
|
||||
|
||||
<li>Choose <b>one</b> of the three follwing methodes do grant access to <code>/dev/i2c-*</code> for FHEM user:
|
||||
<ul>
|
||||
<li>
|
||||
Add following lines into <code>/etc/init.d/fhem</code> before <code>perl fhem.pl</code> line in start or into <code>/etc/rc.local</code>:<br>
|
||||
<code>sudo apt-get install i2c-tools<br>
|
||||
sudo adduser fhem i2c<br>
|
||||
sudo reboot</code><br>
|
||||
</li><br>
|
||||
<li>
|
||||
Add following lines into <code>/etc/init.d/fhem</code> before <code>perl fhem.pl</code> line in start or into <code>/etc/rc.local</code>:<br>
|
||||
<code>
|
||||
sudo chown fhem /dev/i2c-*<br>
|
||||
sudo chgrp dialout /dev/i2c-*<br>
|
||||
sudo chmod +t /dev/i2c-*<br>
|
||||
sudo chmod 660 /dev/i2c-*<br>
|
||||
</code>
|
||||
</li>
|
||||
<li>
|
||||
Alternatively for Raspberry Pi you can install the gpio utility from <a href="http://wiringpi.com/download-and-install/">WiringPi</a> library change access rights of I2C-Interface<br>
|
||||
</li><br>
|
||||
<li>
|
||||
Alternatively for Raspberry Pi you can install the gpio utility from <a href="http://wiringpi.com/download-and-install/">WiringPi</a> library change access rights of I2C-Interface<br>
|
||||
WiringPi installation is described here: <a href="#RPI_GPIO">RPI_GPIO.</a><br>
|
||||
gpio utility will be automaticly used, if installed.<br>
|
||||
</li>
|
||||
Important: to use I2C-0 at P5 connector you must use attribute <code>swap_i2c0</code>.<br>
|
||||
</li>
|
||||
</ul>
|
||||
</li>
|
||||
</li><br>
|
||||
<li>
|
||||
installation of i2c dependencies:<br>
|
||||
<code>sudo apt-get install libi2c-dev i2c-tools build-essential</code><br>
|
||||
</li>
|
||||
<li>
|
||||
load I2C kernel modules:<br>
|
||||
open /etc/modules<br>
|
||||
<code>sudo nano /etc/modules</code><br>
|
||||
add theese lines<br>
|
||||
<code>
|
||||
i2c-dev<br>
|
||||
i2c-bcm2708<br>
|
||||
</code>
|
||||
</li>
|
||||
<li>
|
||||
Optional, access via IOCTL will be used if Device::SMBus is not present.<br>
|
||||
<b>Optional</b>: access via IOCTL will be used if Device::SMBus is not present.<br>
|
||||
To access the I2C-Bus via the Device::SMBus module, following steps are necessary:<br>
|
||||
<code>sudo apt-get install libmoose-perl<br>
|
||||
sudo cpan Device::SMBus</code><br>
|
||||
<ul><code>sudo apt-get install libmoose-perl<br>
|
||||
sudo cpan Device::SMBus</code></ul><br>
|
||||
</li>
|
||||
</ul>
|
||||
<a name="RPII2CDefine"></a><br>
|
||||
@ -559,15 +558,15 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
<ul>
|
||||
<li>
|
||||
Write one byte (or more bytes sequentially) directly to an I2C device (for devices that have only one register to write):<br>
|
||||
<code>set <name> writeByte <I2C Address> <value></code><br><br>
|
||||
<code>set <name> writeByte <I2C Address> <value></code><br><br>
|
||||
</li>
|
||||
<li>
|
||||
Write n-bytes to an register range (as an series of single register write operations), beginning at the specified register:<br>
|
||||
<code>set <name> writeByteReg <I2C Address> <Register Address> <value></code><br><br>
|
||||
<code>set <name> writeByteReg <I2C Address> <Register Address> <value></code><br><br>
|
||||
</li>
|
||||
<li>
|
||||
Write n-bytes to an register range (as an block write operation), beginning at the specified register:<br>
|
||||
<code>set <name> writeBlock <I2C Address> <Register Address> <value></code><br><br>
|
||||
<code>set <name> writeBlock <I2C Address> <Register Address> <value></code><br><br>
|
||||
</li><br>
|
||||
Examples:
|
||||
<ul>
|
||||
@ -628,55 +627,57 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
<h3>RPII2C</h3>
|
||||
<ul>
|
||||
<a name="RPII2C"></a>
|
||||
Ermöglicht den Zugriff auf die I2C Schnittstellen des Raspberry Pi über logische Module. Register von I2C IC's können auch direkt gelesen und geschrieben werden.<br><br>
|
||||
Ermöglicht den Zugriff auf die I2C Schnittstellen des Raspberry Pi, BBB, Cubie über logische Module. Register von I2C IC's können auch direkt gelesen und geschrieben werden.<br><br>
|
||||
Dieses Modul funktioniert grunsätzlich auf allen Linux Systemen, die <code>/dev/i2c-x</code> bereitstellen.<br><br>
|
||||
|
||||
<b>Vorbereitung:</b><br>
|
||||
<ul>
|
||||
<li>
|
||||
I2C Kernelmodule laden:<br>
|
||||
modules Datei öffnen<br>
|
||||
<ul><code>sudo nano /etc/modules</code></ul><br>
|
||||
folgendes einfügen<br>
|
||||
<ul><code>
|
||||
i2c-dev<br>
|
||||
i2c-bcm2708<br>
|
||||
</code></ul>
|
||||
</li> <br>
|
||||
<li><b>Eine</b> der folgenden drei Möglichkeiten wählen um dem FHEM User Zugriff auf <code>/dev/i2c-*</code> zu geben:
|
||||
<ul>
|
||||
<li>
|
||||
Folgende Zeilen müssen der Datei <code>/etc/init.d/fhem</code> vor <code>perl fhem.pl</code> in start hinzu, oder in die Datei <code>/etc/rc.local</code> eingefügt werden:<br>
|
||||
<code>
|
||||
sudo apt-get install i2c-tools<br>
|
||||
sudo adduser fhem i2c</code><br>
|
||||
</li><br>
|
||||
<li>
|
||||
Folgende Zeilen entweder in die Datei <code>/etc/init.d/fhem</code> vor <code>perl fhem.pl</code> in start, oder in die Datei <code>/etc/rc.local</code> eingefügen:<br>
|
||||
<code>
|
||||
sudo chown fhem /dev/i2c-*<br>
|
||||
sudo chgrp dialout /dev/i2c-*<br>
|
||||
sudo chmod +t /dev/i2c-*<br>
|
||||
sudo chmod 660 /dev/i2c-*<br>
|
||||
</code>
|
||||
</li>
|
||||
<li>
|
||||
Für das Raspberry Pi kann alternativ das gpio Utility der <a href="http://wiringpi.com/download-and-install/">WiringPi</a> Bibliothek benutzt werden um FHEM Schreibrechte auf die I2C Schnittstelle zu bekommen.<br>
|
||||
</li><br>
|
||||
<li>
|
||||
Für das Raspberry Pi kann alternativ das gpio Utility der <a href="http://wiringpi.com/download-and-install/">WiringPi</a> Bibliothek benutzt werden um FHEM Schreibrechte auf die I2C Schnittstelle zu bekommen.<br>
|
||||
WiringPi Installation ist hier beschrieben: <a href="#RPI_GPIO">RPI_GPIO</a><br>
|
||||
Das gpio Utility wird, wenn vorhanden, automatisch verwendet<br>
|
||||
</li>
|
||||
Wichtig: um den I2C-0 am P5 Stecker des Raspberry nutzen zu können muss das Attribut <code>swap_i2c0</code> verwendet werden.<br>
|
||||
</li>
|
||||
</ul>
|
||||
</li>
|
||||
</li><br>
|
||||
<li>
|
||||
Installation der I2C Abhängigkeiten:<br>
|
||||
<code>sudo apt-get install libi2c-dev i2c-tools build-essential</code><br>
|
||||
</li>
|
||||
<li>
|
||||
I2C Kernelmodule laden:<br>
|
||||
modules Datei öffnen<br>
|
||||
<code>sudo nano /etc/modules</code><br>
|
||||
folgendes einfügen<br>
|
||||
<code>
|
||||
i2c-dev<br>
|
||||
i2c-bcm2708<br>
|
||||
</code>
|
||||
</li>
|
||||
<li>
|
||||
Optional, Hardwarezugriff via IOCTL wird standardmäßig genutzt, wenn Device::SMBus nicht installiert ist<br>
|
||||
<b>Optional</b>: Hardwarezugriff via IOCTL wird standardmäßig genutzt, wenn Device::SMBus nicht installiert ist<br>
|
||||
Soll der Hardwarezugriff über das Perl Modul Device::SMBus erfolgen sind diese Schritte notwendig:<br>
|
||||
<code>sudo apt-get install libmoose-perl<br>
|
||||
sudo cpan Device::SMBus</code><br>
|
||||
<ul><code>sudo apt-get install libmoose-perl<br>
|
||||
sudo cpan Device::SMBus</code></ul><br>
|
||||
</li>
|
||||
</ul>
|
||||
<a name="RPII2CDefine"></a><br>
|
||||
<b>Define</b>
|
||||
<ul>
|
||||
<code>define <name> RPII2C <I2C Bus Number></code><br>
|
||||
Die <code><I2C Bus Number></code> ist die Nummer des I2C Bus an den die I2C IC's angeschlossen werden (0 oder 1)<br><br>
|
||||
Die <code><I2C Bus Number></code> ist die Nummer des I2C Bus an den die I2C IC's angeschlossen werden<br><br>
|
||||
</ul>
|
||||
|
||||
<a name="RPII2CSet"></a>
|
||||
@ -684,15 +685,15 @@ sub RPII2C_HWACCESS_ioctl($$) {
|
||||
<ul>
|
||||
<li>
|
||||
Schreibe ein Byte (oder auch mehrere nacheinander) direkt auf ein I2C device (manche I2C Module sind so einfach, das es nicht einmal mehrere Register gibt):<br>
|
||||
<code>set <name> writeByte <I2C Address> <value></code><br><br>
|
||||
<code>set <name> writeByte <I2C Address> <value></code><br><br>
|
||||
</li>
|
||||
<li>
|
||||
Schreibe n-bytes auf einen Registerbereich (als Folge von Einzelbefehlen), beginnend mit dem angegebenen Register:<br>
|
||||
<code>set <name> writeByteReg <I2C Address> <Register Address> <value></code><br><br>
|
||||
<code>set <name> writeByteReg <I2C Address> <Register Address> <value></code><br><br>
|
||||
</li>
|
||||
<li>
|
||||
Schreibe n-bytes auf einen Registerbereich (als Blockoperation), beginnend mit dem angegebenen Register:<br>
|
||||
<code>set <name> writeBlock <I2C Address> <Register Address> <value></code><br><br>
|
||||
<code>set <name> writeBlock <I2C Address> <Register Address> <value></code><br><br>
|
||||
</li><br>
|
||||
Beispiele:
|
||||
<ul>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user