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added access chef for /dev/i2c-x

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git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5393 2b470e98-0d58-463d-a4d8-8e2adae1ed80
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klauswitt
2014-03-31 23:08:16 +00:00
parent d78b50013c
commit fab26bce2a
1 changed files with 8 additions and 5 deletions
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13
fhem/FHEM/00_RPII2C.pm
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@@ -82,12 +82,15 @@ sub RPII2C_Define($$) { #
$attr{$name}{dummy} = 1;
return undef;
}
$hash->{DeviceName} = "/dev/i2c-".$dev;
return $name . ': Error! I2C device not found: ' . $hash->{DeviceName} . '. Please check kernelmodules must loaded: i2c_bcm2708, i2c_dev' unless -e $hash->{DeviceName};
return $name . ': Error! I2C device not found: /dev/i2c-'.$dev . '. Please check kernelmodules must loaded: i2c_bcm2708, i2c_dev' unless -e "/dev/i2c-".$dev;
return $name . ': Error! I2C device not readable: /dev/i2c-'.$dev . '. Please install wiringpi or change access rights for fhem user' unless -r "/dev/i2c-".$dev;
return $name . ': Error! I2C device not writable: /dev/i2c-'.$dev . '. Please install wiringpi or change access rights for fhem user' unless -w "/dev/i2c-".$dev;
$hash->{DeviceName} = "/dev/i2c-".$dev;
$hash->{STATE} = "initialized";
return undef;
}
#####################################
sub RPII2C_Notify { #
my ($hash,$dev) = @_;
@@ -205,12 +208,12 @@ sub RPII2C_Get($@) { #
my $i2chash = { i2caddress => hex($a[2]), direction => "i2cread" };
$i2chash->{reg} = hex($a[3]) if defined($a[3]); #startadresse zum lesen
$i2chash->{nbyte} = $a[4] if defined($a[4]);
Log3 $hash, 1, "Reg: ". $i2chash->{reg};
#Log3 $hash, 1, "Reg: ". $i2chash->{reg};
my $status = RPII2C_HWACCESS($hash, $i2chash);
#my $received = join(" ", @{$i2chash->{received}}); #als Array
my $received = $i2chash->{received}; #als Scalar
undef $i2chash; #Hash löschen
return "$received transmission: $status";
return (defined($received) ? "received : " . $received ." | " : "" ) . " transmission: $status";
}
return undef;
}