€•`0      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ$/translations/zh_CN/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/zh_TW/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/it_IT/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/ja_JP/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/ko_KR/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒPortuguese (Brazilian)”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/pt_BR/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/sp_SP/leds/leds-blinkm”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒLeds BlinkM driver”h]”hŒLeds BlinkM driver”…””}”(hh¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhh·h²hh³Œ>/var/lib/git/docbuild/linux/Documentation/leds/leds-blinkm.rst”h´KubhŒ	paragraph”“”)”}”(hŒAThe leds-blinkm driver supports the devices of the BlinkM family.”h]”hŒAThe leds-blinkm driver supports the devices of the BlinkM family.”…””}”(hhÍh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubhÌ)”}”(hŒñThey are RGB-LED modules driven by a (AT)tiny microcontroller and
communicate through I2C. The default address of these modules is
0x09 but this can be changed through a command. By this you could
daisy-chain up to 127 BlinkMs on an I2C bus.”h]”hŒñThey are RGB-LED modules driven by a (AT)tiny microcontroller and
communicate through I2C. The default address of these modules is
0x09 but this can be changed through a command. By this you could
daisy-chain up to 127 BlinkMs on an I2C bus.”…””}”(hhÛh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubhÌ)”}”(hŒ³The device accepts RGB and HSB color values through separate commands.
Also you can store blinking sequences as "scripts" in
the controller and run them. Also fading is an option.”h]”hŒ·The device accepts RGB and HSB color values through separate commands.
Also you can store blinking sequences as â€œscriptsâ€ in
the controller and run them. Also fading is an option.”…””}”(hhéh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubhÌ)”}”(hŒ-The interface this driver provides is 3-fold:”h]”hŒ-The interface this driver provides is 3-fold:”…””}”(hh÷h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubh¶)”}”(hhh]”(h»)”}”(hŒ7a) LED multicolor class interface for use with triggers”h]”hŒ7a) LED multicolor class interface for use with triggers”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhj  h²hh³hÊh´KubhÌ)”}”(hŒ%The registration follows the scheme::”h]”hŒ$The registration follows the scheme:”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj  h²hubhŒliteral_block”“”)”}”(hŒÇblinkm-<i2c-bus-nr>-<i2c-device-nr>:rgb:indicator

$ ls -h /sys/class/leds/blinkm-1-9:rgb:indicator
brightness  device  max_brightness  multi_index  multi_intensity  power  subsystem  trigger  uevent”h]”hŒÇblinkm-<i2c-bus-nr>-<i2c-device-nr>:rgb:indicator

$ ls -h /sys/class/leds/blinkm-1-9:rgb:indicator
brightness  device  max_brightness  multi_index  multi_intensity  power  subsystem  trigger  uevent”…””}”hj&  sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1j$  h³hÊh´Khj  h²hubhÌ)”}”(hŒaHue is controlled by the multi_intensity file and lightness is controlled by
the brightness file.”h]”hŒaHue is controlled by the multi_intensity file and lightness is controlled by
the brightness file.”…””}”(hj6  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj  h²hubhÌ)”}”(hŒ­The order in which to write the intensity values can be found in multi_index.
Exactly three values between 0 and 255 must be written to multi_intensity to
change the color::”h]”hŒ¬The order in which to write the intensity values can be found in multi_index.
Exactly three values between 0 and 255 must be written to multi_intensity to
change the color:”…””}”(hjD  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj  h²hubj%  )”}”(hŒ#$ echo 255 100 50 > multi_intensity”h]”hŒ#$ echo 255 100 50 > multi_intensity”…””}”hjR  sbah}”(h]”h ]”h"]”h$]”h&]”j4  j5  uh1j$  h³hÊh´K#hj  h²hubhÌ)”}”(hŒ]The overall lightness be changed by writing a value between 0 and 255 to the
brightness file.”h]”hŒ]The overall lightness be changed by writing a value between 0 and 255 to the
brightness file.”…””}”(hj`  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K%hj  h²hubeh}”(h]”Œ6a-led-multicolor-class-interface-for-use-with-triggers”ah ]”h"]”Œ7a) led multicolor class interface for use with triggers”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubh¶)”}”(hhh]”(h»)”}”(hŒ,b) LED class interface for use with triggers”h]”hŒ,b) LED class interface for use with triggers”…””}”(hjy  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjv  h²hh³hÊh´K)ubhÌ)”}”(hŒ%The registration follows the scheme::”h]”hŒ$The registration follows the scheme:”…””}”(hj‡  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K+hjv  h²hubj%  )”}”(hX†  blinkm-<i2c-bus-nr>-<i2c-device-nr>-<color>

$ ls -h /sys/class/leds/blinkm-6-*
/sys/class/leds/blinkm-6-9-blue:
brightness  device  max_brightness  power  subsystem  trigger  uevent

/sys/class/leds/blinkm-6-9-green:
brightness  device  max_brightness  power  subsystem  trigger  uevent

/sys/class/leds/blinkm-6-9-red:
brightness  device  max_brightness  power  subsystem  trigger  uevent”h]”hX†  blinkm-<i2c-bus-nr>-<i2c-device-nr>-<color>

$ ls -h /sys/class/leds/blinkm-6-*
/sys/class/leds/blinkm-6-9-blue:
brightness  device  max_brightness  power  subsystem  trigger  uevent

/sys/class/leds/blinkm-6-9-green:
brightness  device  max_brightness  power  subsystem  trigger  uevent

/sys/class/leds/blinkm-6-9-red:
brightness  device  max_brightness  power  subsystem  trigger  uevent”…””}”hj•  sbah}”(h]”h ]”h"]”h$]”h&]”j4  j5  uh1j$  h³hÊh´K-hjv  h²hubhÌ)”}”(hŒ*(same is /sys/bus/i2c/devices/6-0009/leds)”h]”hŒ*(same is /sys/bus/i2c/devices/6-0009/leds)”…””}”(hj£  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K9hjv  h²hubhÌ)”}”(hŒ_We can control the colors separated into red, green and blue and
assign triggers on each color.”h]”hŒ_We can control the colors separated into red, green and blue and
assign triggers on each color.”…””}”(hj±  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K;hjv  h²hubhÌ)”}”(hŒE.g.::”h]”hŒE.g.:”…””}”(hj¿  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K>hjv  h²hubj%  )”}”(hŒš$ cat blinkm-6-9-blue/brightness
05

$ echo 200 > blinkm-6-9-blue/brightness
$

$ modprobe ledtrig-heartbeat
$ echo heartbeat > blinkm-6-9-green/trigger
$”h]”hŒš$ cat blinkm-6-9-blue/brightness
05

$ echo 200 > blinkm-6-9-blue/brightness
$

$ modprobe ledtrig-heartbeat
$ echo heartbeat > blinkm-6-9-green/trigger
$”…””}”hjÍ  sbah}”(h]”h ]”h"]”h$]”h&]”j4  j5  uh1j$  h³hÊh´K@hjv  h²hubeh}”(h]”Œ+b-led-class-interface-for-use-with-triggers”ah ]”h"]”Œ,b) led class interface for use with triggers”ah$]”h&]”uh1hµhh·h²hh³hÊh´K)ubh¶)”}”(hhh]”(h»)”}”(hŒ5b) Sysfs group to control rgb, fade, hsb, scripts ...”h]”hŒ5b) Sysfs group to control rgb, fade, hsb, scripts ...”…””}”(hjæ  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjã  h²hh³hÊh´KLubhÌ)”}”(hŒŠThis extended interface is available as folder blinkm
in the sysfs folder of the I2C device.
E.g. below /sys/bus/i2c/devices/6-0009/blinkm”h]”hŒŠThis extended interface is available as folder blinkm
in the sysfs folder of the I2C device.
E.g. below /sys/bus/i2c/devices/6-0009/blinkm”…””}”(hjô  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KNhjã  h²hubhŒblock_quote”“”)”}”(hŒC$ ls -h /sys/bus/i2c/devices/6-0009/blinkm/
blue  green  red  test
”h]”hÌ)”}”(hŒB$ ls -h /sys/bus/i2c/devices/6-0009/blinkm/
blue  green  red  test”h]”hŒB$ ls -h /sys/bus/i2c/devices/6-0009/blinkm/
blue  green  red  test”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KRhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j  h³hÊh´KRhjã  h²hubhÌ)”}”(hŒICurrently supported is just setting red, green, blue
and a test sequence.”h]”hŒICurrently supported is just setting red, green, blue
and a test sequence.”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KUhjã  h²hubhÌ)”}”(hŒE.g.::”h]”hŒE.g.:”…””}”(hj*  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KXhjã  h²hubj%  )”}”(hŒa$ cat *
00
00
00
#Write into test to start test sequence!#

$ echo 1 > test
$

$ echo 255 > red
$”h]”hŒa$ cat *
00
00
00
#Write into test to start test sequence!#

$ echo 1 > test
$

$ echo 255 > red
$”…””}”hj8  sbah}”(h]”h ]”h"]”h$]”h&]”j4  j5  uh1j$  h³hÊh´KZhjã  h²hubhÌ)”}”(hŒas of 07/2024”h]”hŒas of 07/2024”…””}”(hjF  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khhjã  h²hubhÌ)”}”(hŒ7dl9pf <at> gmx <dot> de
jstrauss <at> mailbox <dot> org”h]”hŒ7dl9pf <at> gmx <dot> de
jstrauss <at> mailbox <dot> org”…””}”(hjT  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Kjhjã  h²hubeh}”(h]”Œ-b-sysfs-group-to-control-rgb-fade-hsb-scripts”ah ]”h"]”Œ5b) sysfs group to control rgb, fade, hsb, scripts ...”ah$]”h&]”uh1hµhh·h²hh³hÊh´KLubeh}”(h]”Œleds-blinkm-driver”ah ]”h"]”Œleds blinkm driver”ah$]”h&]”uh1hµhhh²hh³hÊh´Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”hÊuh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(hºNŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
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