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Mazda Entertainment System - Sample Bus Data Dumps - Revision history
2024-03-28T14:14:16Z
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2013-09-14T02:16:28Z
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Nikosapi
http://nikosapi.org/w/index.php?title=Mazda_Entertainment_System_-_Sample_Bus_Data_Dumps&diff=54&oldid=prev
Nikosapi at 04:37, 26 January 2012
2012-01-26T04:37:08Z
<p></p>
<p><b>New page</b></p><div>The following are a bunch of dumps from the data bus to help people understand how the protocol works. <br />
<br><br><br />
<br />
The dump format is:<pre style="font-size:larger">timecode command</pre><br />
* timecode is [seconds in epoch].[fraction of a second]<br />
* command is a hexadecimal representation of the data on the bus<br />
<br><br />
----<br />
'''NOTE:''' The timestamps are horribly wrong. You'll notice that some commands occur in less than 1ms which is impossible. I'm guessing that those closely-spaced packs of data were held up in some kernel buffer before being read. That explains why they appear to have happened so close together. The timestamps are still useful for seeing how the commands are sent in bursts but please do not rely on them.<br />
----<br />
<br><br />
<br />
A list of events is provided at the top of each dump to help the reader know when a specific action was taken and what commands were sent because of that action.<br />
<br />
==Base Unit==<br />
===Initialization (no peripherals connected)===<br />
<pre style="font-size:larger">Events:<br />
1281462287.476655 - Radio is powered-on<br />
<br />
<br />
1281462287.476655 38C*<br />
1281462287.476734 089<br />
1281462287.476770 18A<br />
1281462287.476801 68F<br />
1281462287.476831 58E<br />
1281462287.476862 780<br />
1281462288.040639 38C<br />
1281462288.040717 089<br />
1281462288.040752 18A<br />
1281462288.040784 68F<br />
1281462288.040814 58E<br />
1281462288.040845 780<br />
1281462288.656645 38C<br />
1281462288.656726 089<br />
1281462288.656762 18A<br />
1281462288.656794 68F<br />
1281462288.656826 58E<br />
1281462288.656858 780<br />
1281462289.272641 38C<br />
1281462289.272716 089<br />
1281462289.272752 18A<br />
1281462289.272785 68F<br />
1281462289.272817 58E<br />
1281462289.272849 780</pre><br />
<br />
==CD Deck==<br />
===Initialization and playback===<br />
<pre style="font-size:larger">Events:<br />
1281461783.680635 - Radio is powered-on (with disk in CD Deck)<br />
1281461796.240642 - "CD" button is pressed<br />
1281461818.376646 - "POWER" button is pressed (base unit now in standby mode)<br />
1281461831.444645 - "POWER" button is pressed (base unit wakes up)<br />
<br />
<br />
1281461783.680635 38C*<br />
1281461783.680714 089<br />
1281461783.680749 B813<br />
1281461783.680779 18A<br />
1281461784.112651 BBA0006000C1<br />
1281461784.112740 68F<br />
1281461784.112775 58E<br />
1281461784.112807 780<br />
1281461784.112838 39B<br />
1281461784.320651 BB91000000C5<br />
1281461784.320738 089<br />
1281461785.124654 BB91000000C5<br />
1281461785.124744 18A<br />
1281461785.124780 68F<br />
1281461785.124812 58E<br />
1281461785.124843 780<br />
1281461785.124874 089<br />
1281461785.124905 18A<br />
1281461785.124935 68F<br />
1281461785.124965 58E<br />
1281461785.124994 780<br />
1281461785.604641 089<br />
1281461785.604722 18A<br />
1281461785.604759 68F<br />
1281461785.604790 58E<br />
1281461785.604820 780<br />
1281461786.068638 39B<br />
1281461786.228857 BB91000000C5<br />
1281461786.468658 BD1000000000008000<br />
1281461786.648654 BC00000000008<br />
1281461786.864658 B9000010000000C0<br />
1281461796.240642 39B*<br />
1281461796.400648 BB91000000C5<br />
1281461796.640654 BD1000000000008000<br />
1281461796.808649 BC00000000008<br />
1281461797.120650 B9000010000000C0<br />
1281461797.120745 3110121<br />
1281461797.328653 B940001000000017<br />
1281461797.540655 B940001000000017<br />
1281461800.068653 B940101000000018<br />
1281461800.244651 BC101104138F8<br />
1281461800.460650 B950101000000017<br />
1281461800.712651 B940101000000018<br />
1281461800.924659 B940101000000018<br />
1281461801.700656 B940101000100017<br />
1281461802.696652 B940101000200016<br />
1281461803.692652 B940101000300015<br />
1281461804.688653 B940101000400014<br />
1281461805.684656 B940101000500013<br />
1281461806.684659 B940101000600012<br />
1281461807.680655 B940101000700011<br />
1281461808.676655 B940101000800010<br />
1281461809.672654 B94010100090001F<br />
1281461810.672651 B940101001000017<br />
1281461811.668671 B940101001100018<br />
1281461812.664655 B940101001200015<br />
1281461813.660648 B940101001300016<br />
1281461814.656657 B940101001400013<br />
1281461815.652659 B940101001500014<br />
1281461816.652653 B940101001600011<br />
1281461817.648656 B940101001700012<br />
1281461818.376646 3116028*<br />
1281461818.500642 3116028<br />
1281461819.128650 B9001010017000C9<br />
1281461831.444645 39B*<br />
1281461831.600654 BB91010000C6<br />
1281461831.840655 BD1000000000008000<br />
1281461832.012655 BC101104138F8<br />
1281461832.320656 B9001010017000C9<br />
1281461832.320752 3110121<br />
1281461832.528650 B940101001700012<br />
1281461832.740647 B950101001700011<br />
1281461834.568659 B940101001700012<br />
1281461835.224646 B94010100180001F<br />
1281461836.220655 B940101001900010<br />
1281461837.217076 B940101002000016<br />
1281461838.212656 B940101002100015<br />
1281461839.208654 B940101002200018<br />
1281461840.208650 B940101002300017<br />
1281461841.204652 B940101002400012<br />
1281461842.200652 B940101002500011<br />
1281461843.196657 B940101002600014<br />
1281461844.192654 B940101002700013<br />
1281461845.188657 B94010100280001E<br />
1281461846.184655 B94010100290001D<br />
1281461847.180730 B940101003000015</pre><br />
<br />
===Seeking===<br />
<pre style="font-size:larger">Events:<br />
1281462697.556635 - SEEK "up" button pressed/released<br />
1281462699.692641 - SEEK "up" button pressed/released<br />
1281462704.168635 - SEEK "down" button pressed/released<br />
1281462709.928643 - Skip forward (>>) button pressed<br />
1281462712.380741 - Skip forward (>>) button released<br />
1281462715.704642 - Skip backward (<<) button pressed<br />
1281462717.312736 - Skip backward (<<) button released<br />
<br />
<br />
1281462694.704647 B94010100090001F<br />
1281462695.700649 B940101001000017<br />
1281462696.696646 B940101001100018<br />
1281462697.556635 31300213*<br />
1281462697.760644 B940101001200015<br />
1281462697.972650 B950201000000016<br />
1281462698.368645 B940201000000015<br />
1281462698.580647 B940201000000015<br />
1281462699.364645 B940201000100016<br />
1281462699.692641 31300314*<br />
1281462699.936648 B950301000000015<br />
1281462700.312647 B940301000000016<br />
1281462700.524647 B940301000000016<br />
1281462701.308646 B940301000100015<br />
1281462702.304646 B940301000200018<br />
1281462703.304646 B940301000300017<br />
1281462704.168635 31300314*<br />
1281462704.376645 B940301000400012<br />
1281462704.588648 B950301000000015<br />
1281462704.800646 B940301000000016<br />
1281462705.008647 B940301000000016<br />
1281462705.736645 B940301000100015<br />
1281462706.732647 B940301000200018<br />
1281462707.728645 B940301000300017<br />
1281462708.724646 B940301000400012<br />
1281462709.720653 B940301000500011<br />
1281462709.928643 3110426*<br />
1281462710.172643 B960301000500013<br />
1281462710.384645 B960301000800010<br />
1281462710.596645 B960301001200015<br />
1281462710.804644 B960301001500014<br />
1281462711.016664 B96030100180001F<br />
1281462711.228650 B960301002100015<br />
1281462711.440648 B960301002500011<br />
1281462711.652650 B96030100280001E<br />
1281462711.868647 B960301003100016<br />
1281462712.080649 B960301003300018<br />
1281462712.380648 B960301003600013<br />
1281462712.380741 3110121*<br />
1281462712.592648 B940301004100011<br />
1281462712.804645 B940301004300013<br />
1281462713.012648 B940301004300013<br />
1281462713.240650 B940301004400016<br />
1281462714.236646 B940301004500015<br />
1281462715.232647 B940301004600018<br />
1281462715.704642 311082A*<br />
1281462715.952648 B970301004600015<br />
1281462716.164846 B970301004300012<br />
1281462716.372646 B970301004000013<br />
1281462716.588647 B970301003600014<br />
1281462716.800644 B970301003300017<br />
1281462717.012652 B970301003000016<br />
1281462717.312646 B970301002700014<br />
1281462717.312736 3110121*<br />
1281462717.520646 B940301002300015<br />
1281462717.732647 B940301002300015<br />
1281462717.940652 B940301002300015<br />
1281462718.152645 B940301002400014</pre><br />
<br />
===Random/Repeat===<br />
<pre style="font-size:larger">Events:<br />
1281467080.200636 - RPT button is pressed/released<br />
1281467084.040637 - RPT button is pressed/released<br />
1281467086.080638 - RDM button is pressed/released<br />
1281467087.696638 - RDM button is pressed/released<br />
<br />
<br />
1281467079.372645 B940101001300016<br />
1281467080.200636 31440003*<br />
1281467080.412645 B940101001400013<br />
1281467080.624647 B940101001440017<br />
1281467081.372644 B940101001540018<br />
1281467082.360644 B940101001640015<br />
1281467083.364650 B940101001740016<br />
1281467084.040637 31400007*<br />
1281467084.284645 B940101001700012<br />
1281467084.496647 B94010100180001F<br />
1281467085.352644 B940101001900010<br />
1281467086.080638 31400052*<br />
1281467086.324646 B950201000002018<br />
1281467086.824644 B940201000002017<br />
1281467087.036649 B940201000002017<br />
1281467087.696638 31400007*<br />
1281467087.908650 B940201000102018<br />
1281467088.120648 B940201000100016</pre><br />
<br />
===Load/Eject===<br />
<pre style="font-size:larger">Events:<br />
1281470880.932653 - Disk is loaded<br />
1281470890.384647 - Eject button pressed<br />
<br />
<br />
1281470880.932653 BD1000000000008000*<br />
1281470881.088649 BBB1006000C1<br />
1281470882.536648 BB91000000C5<br />
1281470882.536736 39B<br />
1281470882.696656 BB910000001A<br />
1281470882.932653 BD1000000000008000<br />
1281470883.112655 BC00000000008<br />
1281470883.420648 B9000010000000C0<br />
1281470883.420745 3110121<br />
1281470883.632653 B940101000000018<br />
1281470886.252653 BC101104138F8<br />
1281470886.468654 B940101000000018<br />
1281470886.680830 B940101000000018<br />
1281470887.236778 B940101000100017<br />
1281470888.232653 B940101000200016<br />
1281470889.228654 B940101000300015<br />
1281470890.224647 B940101000400014<br />
1281470890.384647 BBA0008000CF*<br />
1281470890.488647 3116028<br />
1281470890.788658 B9000010000000C0<br />
1281470890.788756 3116028<br />
1281470891.000674 B9000010000000C0<br />
1281470891.156651 BBA0008000CF<br />
1281470891.456652 BBA0008000CF<br />
1281470891.756649 BBA0008000CF<br />
1281470892.808649 BBA0006000C1<br />
1281470893.112649 BBA0006000C1<br />
1281470893.364653 B9000010000000C0</pre><br />
<br />
==Tape Deck==<br />
===Initialization and playback===<br />
<pre style="font-size:larger">Events:<br />
1281456004.300642 - Radio is powered-on (cassette in tape deck)<br />
1281456011.724645 - "MD/TAPE" button is pressed<br />
1281456026.028646 - "POWER" button is pressed (base unit now in standby mode)<br />
1281456036.192641 - "POWER" button is pressed (base unit wakes up)<br />
<br />
<br />
1281456004.300642 38C*<br />
1281456004.508650 089<br />
1281456004.508729 8812<br />
1281456004.508763 18A<br />
1281456004.900642 8B90400C3<br />
1281456004.900724 68F<br />
1281456004.900759 58E<br />
1281456004.900790 780<br />
1281456004.900821 09A<br />
1281456005.788648 8B90400C3<br />
1281456005.788737 38C<br />
1281456005.788774 890CE<br />
1281456005.788808 18A<br />
1281456005.788841 68F<br />
1281456005.788872 58E<br />
1281456005.788903 780<br />
1281456005.788934 38C<br />
1281456005.788964 18A<br />
1281456005.788994 68F<br />
1281456005.789024 58E<br />
1281456005.789054 780<br />
1281456006.400638 38C<br />
1281456006.400715 18A<br />
1281456006.400751 68F<br />
1281456006.400782 58E<br />
1281456006.400812 780<br />
1281456006.868639 09A<br />
1281456007.072648 8B90400C3<br />
1281456007.072737 890CE<br />
1281456011.724645 09A*<br />
1281456011.929062 8B90400C3<br />
1281456011.929150 890CE<br />
1281456012.340640 0110124<br />
1281456012.500636 89415<br />
1281456013.560651 8B9040010<br />
1281456014.512638 89415<br />
1281456015.568647 8B9040010<br />
1281456016.520644 89415<br />
1281456017.580643 8B9040010<br />
1281456018.532651 89415<br />
1281456019.588649 8B9040010<br />
1281456020.540645 89415<br />
1281456021.600653 8B9040010<br />
1281456022.552645 89415<br />
1281456023.608652 8B9040010<br />
1281456024.560640 89415<br />
1281456025.620649 8B9040010<br />
1281456026.028646 0116025*<br />
1281456027.244643 890CE<br />
1281456036.192641 09A*<br />
1281456036.392646 8B90400C3<br />
1281456036.392735 890CE<br />
1281456036.796641 0110124<br />
1281456036.952646 89415<br />
1281456037.956643 89415<br />
1281456039.016982 8B9040010<br />
1281456039.968647 89415<br />
1281456041.024647 8B9040010<br />
1281456041.976641 89415<br />
1281456043.036644 8B9040010<br />
1281456043.988641 89415<br />
1281456045.044652 8B9040010<br />
1281456045.996641 89415<br />
1281456047.052660 8B9040010<br />
1281456048.005066 89415</pre><br />
<br />
===Seeking===<br />
<pre style="font-size:larger">Events:<br />
1281468749.168637 - SEEK up button pressed/released (high-speed fast-forward)<br />
1281468754.880642 - SEEK up button pressed/released (high-speed fast-forward)<br />
1281468756.464639 - SEEK down button pressed/released (high-speed rewind)<br />
1281468760.348767 - SEEK down button pressed/released (high-speed rewind)<br />
1281468763.612637 - Fast-forward (>>) button pressed/released<br />
1281468767.812638 - Rewind (<<) button pressed/released<br />
1281468772.620636 - Rewind (<<) button pressed/released<br />
<br />
<br />
1281468749.168637 0141005*<br />
1281468749.328635 89516<br />
1281468749.460641 8B924011D<br />
1281468750.456641 8B924011D<br />
1281468751.408636 89516<br />
1281468752.468641 8B924011D<br />
1281468753.420634 89516<br />
1281468754.476641 8B924011D<br />
1281468754.880642 0140006*<br />
1281468755.168640 8B9040010<br />
1281468755.168723 89415<br />
1281468756.172635 89415<br />
1281468756.464639 0142008*<br />
1281468756.624638 89516<br />
1281468756.756645 8B934011E<br />
1281468757.752638 8B934011E<br />
1281468758.704636 89516<br />
1281468759.764642 8B934011E<br />
1281468760.348767 0140006*<br />
1281468760.636639 8B9040010<br />
1281468760.636725 89415<br />
1281468761.640637 89415<br />
1281468762.696639 8B9040010<br />
1281468763.612637 0110427*<br />
1281468763.900641 8B9040010<br />
1281468763.900725 89617<br />
1281468764.960640 8B9040010<br />
1281468765.912637 89617<br />
1281468766.968640 8B9040010<br />
1281468767.812638 011082B<br />
1281468767.812720 89718*<br />
1281468768.816635 89718<br />
1281468769.872639 8B9040010<br />
1281468770.824633 89718<br />
1281468771.884640 8B9040010<br />
1281468772.620636 0110124*<br />
1281468772.784634 89415<br />
1281468773.788635 89415<br />
1281468774.848638 8B9040010<br />
1281468775.800635 89415<br />
1281468776.856674 8B9040010<br />
1281468777.808635 89415</pre><br />
<br />
===Random/Repeat/Dolby===<br />
<pre style="font-size:larger">Events:<br />
1281469266.648728 - RPT button pressed/released<br />
1281469269.484645 - RPT button pressed/released<br />
1281469272.012650 - RDM button pressed/released<br />
1281469276.436642 - RDM button pressed/released<br />
1281469279.792652 - Dolby noise reduction button pressed/released<br />
1281469283.036649 - Dolby noise reduction button pressed/released<br />
<br />
<br />
1281469264.544694 89415<br />
1281469265.600647 8B9040010<br />
1281469266.648645 89415<br />
1281469266.648728 0140105*<br />
1281469266.772648 8B905001F<br />
1281469267.612651 8B905001F<br />
1281469268.564638 89415<br />
1281469269.484645 0140006*<br />
1281469269.604652 8B9040010<br />
1281469270.608650 8B9040010<br />
1281469271.560640 89415<br />
1281469272.012650 0140208*<br />
1281469272.224651 8B906001E<br />
1281469273.228647 8B906001E<br />
1281469274.180646 89415<br />
1281469275.240648 8B906001E<br />
1281469276.192644 89415<br />
1281469276.436642 0140208*<br />
1281469276.648653 8B9040010<br />
1281469277.652649 8B9040010<br />
1281469278.604641 89415<br />
1281469279.660646 8B9040010<br />
1281469279.792652 8B904101F*<br />
1281469280.744638 89415<br />
1281469281.800650 8B904101F<br />
1281469282.752642 89415<br />
1281469283.036649 8B9040010*<br />
1281469284.044647 8B9040010<br />
1281469284.996674 89415<br />
1281469286.052645 8B9040010</pre><br />
<br />
===Load/Eject===<br />
<pre style="font-size:larger">Events:<br />
1281469649.812643 - Tape is loaded<br />
1281469656.644649 - Eject button pressed<br />
<br />
<br />
1281469649.812643 8BB0400C1*<br />
1281469650.164844 09A<br />
1281469650.364646 8B90400C3<br />
1281469650.364738 890CE<br />
1281469650.840641 0110124<br />
1281469650.840730 89415<br />
1281469651.420645 8B9040010<br />
1281469652.372641 89415<br />
1281469653.428647 8B9040010<br />
1281469654.380642 89415<br />
1281469655.440644 8B9040010<br />
1281469656.392644 89415<br />
1281469656.644649 8BA40004A*<br />
1281469656.944648 8BA40004A<br />
1281469657.248644 8BA40004A<br />
1281469657.548645 8BA40004A<br />
1281469661.176643 8BA0000C6</pre><br />
<br />
==Tape Deck and CD Deck==<br />
===Initialization (no disk in CD Deck, no cassette in Tape Deck)===<br />
<pre style="font-size:larger">Events:<br />
1281469976.556674 - Radio is powered-on<br />
<br />
<br />
1281469976.556674 38C*<br />
1281469976.556758 089<br />
1281469976.556795 B813<br />
1281469976.556827 8812<br />
1281469976.556859 18A<br />
1281469976.708648 BBA0006000C1<br />
1281469977.404645 8B90000C7<br />
1281469977.404733 68F<br />
1281469977.404769 58E<br />
1281469977.404802 780<br />
1281469977.404836 18A<br />
1281469977.404868 68F<br />
1281469977.404900 58E<br />
1281469977.404931 780<br />
1281469977.404963 39B<br />
1281469977.608646 BBA0006000C1<br />
1281469977.608737 18A<br />
1281469977.880651 BD0000000000000007<br />
1281469977.880759 68F<br />
1281469978.088709 BC00000000008<br />
1281469978.088795 58E<br />
1281469978.636658 B9000010000000C0<br />
1281469978.636750 780<br />
1281469978.636786 18A<br />
1281469978.636819 68F<br />
1281469978.636851 58E<br />
1281469978.636885 780<br />
1281469979.392637 39B<br />
1281469979.544653 BBA0006000C1<br />
1281469979.784656 BD0000000000000007<br />
1281469979.966890 BC00000000008<br />
1281469980.220652 B9000010000000C0<br />
1281469980.220746 09A<br />
1281469980.420646 8B90000C7<br />
1281469980.420734 890CE<br />
1281469981.280650 BBA0006000C1</pre><br />
<br />
===Initialization (with disk in the CD Deck, and a cassette in the Tape Deck)===<br />
<pre style="font-size:larger">Events:<br />
1281470594.792638 - Radio is powered-on<br />
<br />
<br />
1281470594.792638 38C*<br />
1281470594.792721 089<br />
1281470594.792758 B813<br />
1281470594.792791 8812<br />
1281470594.792825 18A<br />
1281470595.216648 8B90400C3<br />
1281470595.216736 68F<br />
1281470595.216772 BBA0<br />
1281470595.216806 58E<br />
1281470595.216839 780<br />
1281470595.216872 18A<br />
1281470595.640713 BB91000000C5<br />
1281470595.640800 68F<br />
1281470595.640836 58E<br />
1281470595.640869 780<br />
1281470595.640903 39B<br />
1281470595.848644 BB91000000C5<br />
1281470595.848728 18A<br />
1281470596.120766 BD1000000000008000<br />
1281470596.120865 68F<br />
1281470596.328656 BC00000000008<br />
1281470596.328751 58E<br />
1281470596.876848 B9000010000000C0<br />
1281470596.876944 780<br />
1281470596.876980 18A<br />
1281470596.877014 68F<br />
1281470596.877047 58E<br />
1281470596.877079 780<br />
1281470597.628638 39B<br />
1281470597.784649 BB91000000C5<br />
1281470598.024853 BD1000000000008000<br />
1281470598.204658 BC00000000008<br />
1281470598.460651 B9000010000000C0<br />
1281470598.460740 09A<br />
1281470598.664645 8B90400C3<br />
1281470598.664731 890CE</pre><br />
<br />
<br />
{{MazdaRadioSeeAlso}}</div>
Nikosapi