Customizing maemo for power users

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'''Please remember, that doing anything instructed here is potentially dangerous. Please see [[General precautions]] for further information.'''
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#REDIRECT [[Customizing Maemo]]
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== Modifying led colours and patterns ==
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There are multiple triggers for led blinking. All can be found in
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/etc/mce/mce.ini
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The file can be edited with any text editor that can be run with [[Root access]] and open the file. So GUI - editors probably don't work, but terminal versions all will.
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=== Step by step instructions ===
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* Open terminal
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* Gain [[Root access]]
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* Make a backup (not necessary!) from original mce.ini -file, for example:
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cp /etc/mce/mce.ini /etc/mce/mce.ini_old
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* Open /etc/mce/mce.ini with a text editor (nano, vim, leafpad...)
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* Search for a line:
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[LEDPatternLystiRX51]
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* Make your changes to the lines below
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* Save
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* Restart mce -process. Either reboot or type to terminal:
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initctl stop mce; sleep 2; initctl start mce
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=== Constructing own patterns ===
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The mce.ini -file has description header before pattern defining start. Here are the same instructions with longer explanations.
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Example string:
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PatternCommunicationCall=30;1;0;r;9d80400002ff03ff02ff03ff71080000;9d800000
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Dissection:
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{| class="wikitable" border="0"
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|-
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|  PatternCommunicationCall=
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|  30;
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|  1;
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|  0;
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|  r;
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|  9d80400002ff03ff02ff03ff71080000;
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|  9d800000
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|-
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|  Alert pattern
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|  priority
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|  screen on
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|  timeout
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|  led mapping
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|  Engine 1 pattern
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|  Engine 2 pattern
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|}
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==== Priority ====
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This defines that which blinking pattern is the strongest. So if multiple alerts are enabled, which pattern will be shown. Values from 0 to 255 are accepted.
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==== Screen on ====
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from mce.ini:
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0 only show pattern when the display is off
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1 show pattern even when the display is on
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2 only show pattern when the display is off, including acting dead
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3 show pattern even when the display is on, including acting dead
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4 only show pattern if the display is off, or if in acting dead
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5 always show pattern, even if LED disabled
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==== Timeout ====
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Time in seconds after blinking is stopped. 0 = infinite blinking.
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==== Led mapping ====
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*r/g/b maps led to engine 1,
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*R/G/B maps led to engine 2.
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examples:
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rGB = red led is mapped to engine 1, green and blue to engine 2
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rBg = red and green leds are mapped to engine 1, blue to engine 2.
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You can of course define only one colour, for example:
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r = red led is mapped to engine
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==== Engine patterns ====
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from mce.ini:
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# 0000 -- Jump to the start of the pattern for the channel
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# 40xx -- Set channel brightness
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# 9d80 -- Refresh Mux (use as first command in every pattern!)
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# xxyy -- Increment/decrement
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#      xx determines the speed;
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#        02-3f -- short step time (granularity 0.49ms)
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#        42-7f -- long step time (granularity 15.6ms)
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#
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#   If xx is even, increment
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#        If xx is odd, decrement
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#      yy determines the increment/decrement steps
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#        00-ff -- in/decrement steps
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#
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#        Use 0 steps to create pauses
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#        Two consecutive increment/decrement sequences are needed
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#        to cover the entire range from 0-255
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# c000 -- End pattern execution
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# e002 -- Send engine 1 trigger
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# e004 -- Send engine 2 trigger
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# e008 -- Send engine 3 trigger <used by key backlight!>
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# e080 -- Wait for engine 1 trigger
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# e100 -- Wait for engine 2 trigger
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# e200 -- Wait for engine 3 trigger <used by key backlight!>
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source: http://talk.maemo.org/showthread.php?t=37691
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[[Category:Power users]]
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Latest revision as of 08:03, 26 January 2010

  1. REDIRECT Customizing Maemo
Retrieved from "http://bugs.maemo.org/Customizing_maemo_for_power_users"