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Infotainment Specifications just for giggles and grins (the Tablet), way tech post...

Discussion in 'Clarity' started by Cash Traylor, Mar 12, 2020.

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  1. Mar 12, 2020 #1
    Cash Traylor

    Cash Traylor Well-Known Member

    Dallas, TX
    About that little Android Tablet screen on our dash...

    General Specifications
    Manufacturer MITSUBISHI ELECTRIC
    Model MY16ADA
    Android version 4.2.2; 64; SDK17
    CPU 4 cores; ARMv7 Processor rev 9 (v7l) tegra; Max: 900.0 MHz; Min: 450.0 MHz
    Display 800 x 480; DPI: 160; Evaluated Size: 5.8"
    Touch screen Multitouch 4 points
    GPU NVIDIA AP; NVIDIA Corporation; OpenGL ES-CM 1.1; OpenGL ES 2.0 16.05001
    RAM 1024 MB (988 MB available)
    Flash 8 GB (7.031 GB actual); 931.513 GB (see memory map tab)
    Communications
    Phone None
    WiFi ak7738
    USB Host Yes
    Bluetooth Yes
    GPS Yes
    Advanced Features
    Front camera open(cameraId = 0) is Unsupported.
    Back camera No
    Sensors Corrected Gyroscope Sensor (Google Inc.); range: 0...4.276; resolution: 0 (0.004%); power: 6.1mA;
    Rotation Vector Sensor (Google Inc.); range: 0...1; resolution: 0 (0%); power: 6.1mA;
    Gravity Sensor (Google Inc.); range: 0...19.613; resolution: 0 (0%); power: 6.1mA;
    Linear Acceleration Sensor (Google Inc.); range: 0...19.613; resolution: 0 (0%); power: 6.1mA;
    Vibrator No
    Supported languages 51; Afrikaans; Amharic; Arabic; Belarusian; Bulgarian; Bengali; Catalan; Czech; Danish; German; Greek; English; Spanish; Estonian; Persian; Finnish; Filipino; French; Hebrew; Hindi; Croatian; Hungarian; Indonesian; Icelandic; Italian; Japanese; Korean; Lithuanian; Latvian; Marathi; Malay; Norwegian; Dutch; Polish; Portuguese; Romansh; Romanian; Russian; Slovak; Slovenian; Serbian; Swedish; Swahili; Tamil; Thai; Filipino; Turkish; Ukrainian; Vietnamese; Chinese; Zulu
    Battery Technology: null; Voltage: 0
    SD Version: 1.1 7

    KERNEL: Linux version 3.1.10+ (jenkins@NDYWY3861584) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT Wed Mar 14 13:20:49 JST 2018
    CODENAME: REL
    Mainboard: Andromeda
    BRAND: Honda
    CPU_ABI: armeabi-v7a
    CPU_ABI2: armeabi
    DEVICE: vcm30t30
    DISPLAY: 1.F1A2.34
    FINGERPRINT: Honda/Andromeda/vcm30t30:4.2.2/1.F1A2.34/64:user/release-keys
    HARDWARE: vcm30t30
    ID: 1.F1A2.34
    TAGS: release-keys

    Processor : ARMv7 Processor rev 9 (v7l)
    processor : 0
    BogoMIPS : 1799.32
    processor : 1
    BogoMIPS : 1799.32
    processor : 2
    BogoMIPS : 1799.32
    processor : 3
    BogoMIPS : 1799.32
    Features : swp half thumb fastmult vfp edsp neon vfpv3 tls
    CPU implementer : 0x41
    CPU architecture: 7
    CPU variant : 0x2
    CPU part : 0xc09
    CPU revision : 9
    Hardware : vcm30t30
    Revision : 58c800
    Serial : 0000000000000000

    RAM: 1024 MB (988 MB available)

    tegra-nor: 64.000MB
    System RAM: 988.000MB
    fbmem: 8.000MB
    fbmem: 8.000MB


    Flash: 8 GB (7.031 GB actual); 931.513 GB

    mmcblk0: 7.031 GB
    sda: 931.513 GB
    mtdblock: 0.087 GB


    Yes, this is sometimes entertaining for a number of reasons.

    The build.prop is interesting. I will post a reference version for our car later as it is slightly different than what I found in other Honda variants (Accord, Civic, etc - ones that have a knob).

    Cheers,

    Cash
     
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  2. Mar 12, 2020 #2
    Sthomasa

    Sthomasa Member

    Cool.
    Front camera...open.
     
  3. Mar 12, 2020 #3
    Landshark

    Landshark Well-Known Member

    Oregon 2019 Touring PHEV
    Does an unsupported camera mean it is non-functional, or that it could fall off without notice?
     
  4. Mar 12, 2020 #4
    Cash Traylor

    Cash Traylor Well-Known Member

    Dallas, TX
    Good question - maybe Honda is watching us... (maniacal laugh here)
     
  5. Mar 13, 2020 #5
    JohnT

    JohnT Active Member

    Hey Cash

    Try and find an up-to-date FAST Android with new version and see if we can replace ours !!

    Just got a new Amazon Fire 10" HD-
    crisper; faster; and I made it near fully Android (from the Amazon Fire version it comes with) for $150 Cnd.....

     

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  6. Mar 17, 2020 #6
    Cash Traylor

    Cash Traylor Well-Known Member

    Dallas, TX

    I am actually researching options for this. I would prefer to grab a Clarity headunit from a salvaged car on ebay that is "for parts" so I can dig into the mainboard a bit. I don't really want to take mine apart for that long, my car is my daily driver. It actually isn't hard from a "hardware" standpoint, it's the software. I am in the process (as others are) for finding a method to grap a nandroid backup of the infotainment system, similar to a TWRP installation. Just have not had a lot of time lately. May work on it now as a lot of us are now finding ourselves at home, learning how to "home school" our kids that are on a longer spring break than planned.

    Anyone interested or currently doing the same feel free to join in! I am not that smart....

    I will post what I find in this thread, likely with links to results in XDA.

    Cheers,

    Cash
     
  7. Mar 21, 2020 #7
    Cash Traylor

    Cash Traylor Well-Known Member

    Dallas, TX
    Pulled down the installed packages list today during a backup (going to play with platform migration on an androidVM with simulated hardware connections). Deleted most of the stuff I know I installed to make this an "OEM" package list, however it is chicken and the egg. You can't get the list without the hack, and the hack may install some modules I didn't track at the time by date (or requires manual date comparison and well, I am too low on beer for that task).

    Again, this is complete tech/geek nonsense really at this point as it is useless info. However, I posted this entire thread as useless info from the start. The folks that can really do something with this have for themselves, and will never publish it for fear of us mere mortals bricking our cars with such dangerous knowledge. However, I have pushed the limits successfully thus far and am working in the "do this, if you want, but tread no further for beyond which there be dragons list."
    I am fairly certain that the following is possible with little risk other than voiding the tablet warranty.
    • Online Honda Hack with basic "Clarity" settings
    • Most of anything you can do that is built into Honda Hack, including apps from HH's built in app manager
    • Most "non-root" apps are safe. They may not work but likely will not break anything, may be slow....
    • The software DSP Sound improvement seems to work reliably. Has been tested pretty thoroughly in other models on the MY16ADA platform.
    • Where the dragons are sleeping are in the build.prop and kernel settings. There is currently no "direct" way to unlock the bootloader to install a custom recovery that could permit a nandroid/image system backup to help protect against bricking.
    • The "factory restore" is pretty limited, there are two levels that I have used and documented here (the XDA forum is unreadable at this point), however that depends on the boot loader functioning and it at least booting to the recovery menu.
    Where I would like to go:
    • The CPU is "underclocked" and appears to be done that way for thermal control considering it is likely to operate in a hot car. However that doesn't mean it could not be bumped up with adequate thermal throttling controls or additional cooling (just point the vent down at it...) I don't mind it running slow when hot but speeding up once it cools down.
    • There is a memory space issue that could be optimized as the current zram solution appears to be optimized for extreme reliability - reboots are not deal breakers if they happen twice as fast.
    Here is the package file list mentioned above. Very boring stuff, but I think there are a lot of us stuck at home right now so....

    ******************************************************************************************
    com.android.backupconfirm-20200321-223705
    com.android.browser-20200321-223613
    com.android.calculator2-20200321-223626
    com.android.calendar-20200321-223629
    com.android.certinstaller-20200321-223654
    com.android.contacts-20200321-223748
    com.android.defcontainer-20200321-224458
    com.android.deskclock-20200321-223657
    com.android.galaxy4-20200321-223610
    com.android.gallery3d-20200321-224136
    com.android.htmlviewer-20200321-224217
    com.android.inputdevices-20200321-224242
    com.android.inputmethod.latin-20200321-223359
    com.android.keychain-20200321-224244
    com.android.location.fused-20200321-224133
    com.android.magicsmoke-20200321-224255
    com.android.music-20200321-224416
    com.android.musicfx-20200321-224419
    com.android.noisefield-20200321-223624
    com.android.packageinstaller-20200321-224500
    com.android.phasebeam-20200321-224502
    com.android.phone-20200321-224403
    com.android.providers.applications-20200321-224529
    com.android.providers.calendar-20200321-223637
    com.android.providers.contacts-20200321-223801
    com.android.providers.downloads.ui-20200321-224055
    com.android.providers.downloads-20200321-224052
    com.android.providers.drm-20200321-224057
    com.android.providers.media-20200321-224257
    com.android.providers.settings-20200321-224605
    com.android.providers.telephony-20200321-224414
    com.android.providers.userdictionary-20200321-224708
    com.android.provision-20200321-223708
    com.android.quicksearchbox-20200321-224526
    com.android.settings-20200321-224533
    com.android.sharedstoragebackup-20200321-223710
    com.android.systemui-20200321-224626
    com.android.vpndialogs-20200321-224811
    com.android.wallpaper.holospiral-20200321-223712
    com.android.wallpaper.livepicker-20200321-224253
    com.android.wallpaper-20200321-223459
    com.honda.displayaudio.navi-20200321-224154
    com.honda.displayaudio.whitelist-20200321-223511
    com.honda.telematics.core-20200321-224643
    com.keramidas.virtual.ACCOUNTS-20200321-223337
    com.keramidas.virtual.APP_WIDGETS-20200321-223509
    com.keramidas.virtual.BLUETOOTH_PAIRINGS-20200321-223611
    com.keramidas.virtual.COUNTRY_LANG_TZ-20200321-223804
    com.keramidas.virtual.DATA_USAGE-20200321-223906
    com.keramidas.virtual.WALLPAPER-20200321-224812
    com.keramidas.virtual.WIFI_AP_LIST-20200321-224812
    com.mitsubishielectric.ada.app.acuralink-20200321-223339
    com.mitsubishielectric.ada.app.aircon-20200321-223348
    com.mitsubishielectric.ada.app.androidauto-20200321-223351
    com.mitsubishielectric.ada.app.antitheft-20200321-223503
    com.mitsubishielectric.ada.app.appmode-20200321-223714
    com.mitsubishielectric.ada.app.avplayer-20200321-223523
    com.mitsubishielectric.ada.app.camera-20200321-223640
    com.mitsubishielectric.ada.app.carplay-20200321-223648
    com.mitsubishielectric.ada.app.dalauncher-20200321-223813
    com.mitsubishielectric.ada.app.dasettings-20200321-223834
    com.mitsubishielectric.ada.app.dealerdiag-20200321-224022
    com.mitsubishielectric.ada.app.developerdiag-20200321-224039
    com.mitsubishielectric.ada.app.ecotripcomputer-20200321-224102
    com.mitsubishielectric.ada.app.emergency-20200321-224105
    com.mitsubishielectric.ada.app.energymanagement-20200321-223720
    com.mitsubishielectric.ada.app.etc-20200321-224113
    com.mitsubishielectric.ada.app.externaldisplay-20200321-224122
    com.mitsubishielectric.ada.app.filemanager-20200321-223508
    com.mitsubishielectric.ada.app.hft-20200321-224504
    com.mitsubishielectric.ada.app.letdiag-20200321-224246
    com.mitsubishielectric.ada.app.mirrorlink-20200321-224400
    com.mitsubishielectric.ada.app.preshipmentdiag-20200321-224518
    com.mitsubishielectric.ada.app.systeminfoservice-20200321-223739
    com.mitsubishielectric.ada.app.systemupdate-20200321-224634
    com.mitsubishielectric.ada.app.taskmanager-20200321-224640
    com.mitsubishielectric.ada.app.usbcert-20200321-224706
    com.mitsubishielectric.ada.app.voiceportal-20200321-224733
    com.mitsubishielectric.ada.app.wifi-20200321-224816
    com.mitsubishielectric.ada.appservice.acuralink-20200321-223345
    com.mitsubishielectric.ada.appservice.appmanagerservice-20200321-223513
    com.mitsubishielectric.ada.appservice.appmodeapservice-20200321-223516
    com.mitsubishielectric.ada.appservice.avapservice-20200321-223602
    com.mitsubishielectric.ada.appservice.camera-20200321-223646
    com.mitsubishielectric.ada.appservice.carplayapservice-20200321-223651
    com.mitsubishielectric.ada.appservice.clocksync-20200321-223703
    com.mitsubishielectric.ada.appservice.compassservice-20200321-223746
    com.mitsubishielectric.ada.appservice.diag-20200321-224048
    com.mitsubishielectric.ada.appservice.emergency-20200321-224108
    com.mitsubishielectric.ada.appservice.errormanager-20200321-224111
    com.mitsubishielectric.ada.appservice.externaldisplay-20200321-224119
    com.mitsubishielectric.ada.appservice.hft-20200321-224208
    com.mitsubishielectric.ada.appservice.hudapservice-20200321-224219
    com.mitsubishielectric.ada.appservice.linkmanager-20200321-224251
    com.mitsubishielectric.ada.appservice.navigation-20200321-224441
    com.mitsubishielectric.ada.appservice.phonecoordination-20200321-224512
    com.mitsubishielectric.ada.appservice.powermanager-20200321-224516
    com.mitsubishielectric.ada.appservice.raspapservice-20200321-224521
    com.mitsubishielectric.ada.appservice.roadtovehicle-20200321-224116
    com.mitsubishielectric.ada.appservice.screenshot-20200321-224523
    com.mitsubishielectric.ada.appservice.sensormonitor-20200321-224531
    com.mitsubishielectric.ada.appservice.siriefm-20200321-224608
    com.mitsubishielectric.ada.appservice.strgsw-20200321-224623
    com.mitsubishielectric.ada.appservice.telematics-20200321-224654
    com.mitsubishielectric.ada.appservice.unitinfomanager-20200321-224703
    com.mitsubishielectric.ada.appservice.vehiclecoordination-20200321-224710
    com.mitsubishielectric.ada.appservice.vehicleinfomanager-20200321-224717
    com.mitsubishielectric.ada.appservice.videomanager-20200321-224720
    com.mitsubishielectric.ada.appservice.voiceportalap-20200321-224809
    com.mitsubishielectric.ada.appservice.wifi-20200321-224819
    com.mitsubishielectric.ada.framework.cpucomservice-20200321-223810
    com.mitsubishielectric.ada.framework.mcservice-20200321-224356
    com.mitsubishielectric.ada.framework.speech.g2p2-20200321-224231
    com.mitsubishielectric.ada.framework.speech.g2p-20200321-224222
    com.mitsubishielectric.ada.framework.speech.tts-20200321-224240
    com.mitsubishielectric.ada.framework.speech-20200321-223519
    com.mitsubishielectric.ada.framework.vehicledbmanager-20200321-224713
    com.mitsubishielectric.ada.util.vehiclerw-20200321-223744
    com.mxtech.videoplayer.ad-20200321-224421
    ngi.ask.jcr-20200321-224059

    ****************************************************************************************
    Cheers,

    Cash
     
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  8. Apr 3, 2020 #8
    CyberDyneSystems

    CyberDyneSystems Member

    Divine Providence (RI)
    Down another rabbit hole this afternoon, and Cash is down at the bottom of it again!

    Lot's to digest,. after following all the breadcrumbs :)
    thanks Cash!
     
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  9. Apr 5, 2020 #9
    Cash Traylor

    Cash Traylor Well-Known Member

    Dallas, TX
    Sorry, find myself using this forum to maintain my sanity while in lockdown....
     
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  10. Sep 23, 2020 #10
    search

    search New Member

    I have CR-V 2020 Touring in Europe which should have maps in the head unit but for some reason the dealer deleted the maps or removed the internal sd card. In a service manual I saw that the sd card cannot be removable. Do you have any clue how does it work? I rooted the unit and cannot see the sd card. It is listed under /mnt/sdcard2 but when I write something on it, it disappears after reboot. I wonder if the sd card is an embedded style or removable when you disassemble the unit. Please advise
     
  11. Aug 18, 2021 #11
    Arctiic

    Arctiic Member

    SoCal, USA
    Here's the build.prop from mine, NA Clarity 2018 PHEV Non-Touring (Rooted with HH):

    Code:
     # begin build properties
# autogenerated by buildinfo.sh
ro.build.id=1.F196.58
ro.build.display.id=1.F196.58
ro.build.version.incremental=42
ro.build.version.sdk=17
ro.build.version.codename=REL
ro.build.version.release=4.2.2
ro.build.date=Tue Jul  4 04:57:05 JST 2017
ro.build.date.utc=1499111825
ro.build.type=user
ro.build.user=MitsubishiElectric
ro.build.host=BUILD_PC
ro.build.tags=release-keys
ro.product.model=MY16ADA
ro.product.brand=Honda
ro.product.name=Andromeda
ro.product.device=vcm30t30a
ro.product.board=Andromeda
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=MITSUBISHI ELECTRIC
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=tegra
# ro.build.product is obsolete; use ro.product.device
ro.build.product=vcm30t30
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=vcm30t30-user 4.2.2 1.F196.58 42 release-keys
ro.build.fingerprint=Honda/Andromeda/vcm30t30a:4.2.2/1.F196.58/42:user/release-keys
ro.build.characteristics=tablet,nosdcard
# end build properties
ro.opengles.version = 131072
wifi.interface=wlan0
rild.libpath=/system/lib/libril-icera.so
rild.libargs=-e rmnet0
persist.tegra.nvmmlite = 1
ro.sf.override_null_lcd_density = 1

keyguard.no_require_sim=true

#NFC
debug.nfc.fw_download=false
debug.nfc.se=false

ro.ril.wake_lock_timeout=200000

#support dynamic resolution change property
ro.streaming.video.drs=true

#USB-A OTG mode
persist.sys.usb1_mode=host

#Color Adjustment
persist.tegra.un_premult_alpha=1

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.carrier=wifi-only
drm.service.enabled=true
dalvik.vm.heapstartsize=5m
dalvik.vm.heapgrowthlimit=48m
dalvik.vm.heapsize=256m
dalvik.vm.heaptargetutilization=0.75
dalvik.vm.heapminfree=512k
dalvik.vm.heapmaxfree=2m
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
tf.enable=y
     
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  12. Oct 13, 2021 #12
    Manfromri

    Manfromri New Member

    Yes, reviving a thread back from the dead

    Has anyone had anymore "development" on this Headunit??

    I was looking around the other day to see if I could change DPI settings so I could enable Android Auto split-screen. Has anyone played around with those settings and gotten it to work??

    Thanks

    Sent from my SM-G975U using Tapatalk
     
  13. Oct 26, 2021 #13
    Enoxys

    Enoxys New Member

    Honda hacked my HU yesterday. Been having way too much fun since. Managed to get to the 4.2.2 "easter egg" game in Android (remember those?) by installing Shortcut Master (lite) and finding com.android.systemui.BeanBag in the App Explorer.
    [​IMG]
    Now that I'm HH'd I want to do a couple different things. I got it so I could use Head Unit Reloaded and make the HU wireless Android Auto capable. Good news and bad news on that front: it's entirely possible! I got it working at least once. The bad news, is that it's a bit slow (not as slow as running Google play services, but not zippy as usual) and involves a lot of setup. Here's the guide. I'm using WiFi method #2 until I can figure out if the HU is capable of starting a hotspot, which doesn't look possible so far. By all means, someone please prove me wrong.

    The only other ideas I have ATM are to find a lightweight game just for fun, or potentially try and unlock the maps functionality on my non-touring PHEV. Pretty sure it's out of my pay range, not to mention illegal, but a man can try. For educational purposes of course
     
    Last edited: Oct 26, 2021
  14. Oct 28, 2021 #14
    Arctiic

    Arctiic Member

    SoCal, USA
    Codeage (dev of HH) offers a lite/barebones version of G Play Services in-app. Other than that, you can also disable animations through dev ops, and reduce the touch response times through diagnostics menu. Won't be fast by any means, but better than it is by default.
     
  15. Oct 28, 2021 #15
    Enoxys

    Enoxys New Member

    Thanks for the tips! I am pretty comfortable with using APKs so I don't have a big need for Play Services, although that's good information. Next time I fiddle around with the HU I'll go into the developer options and toggle those, it can't really hurt ¯\_(ツ)_/¯

    On another front, I've gotten wireless AA working pretty reliably. The procedure to get it working manually was easy enough, following the forum thread from above, but one of my goals for using AA wirelessly was for it to be less of a hassle than taking my phone out of my pocket to plug it in. I went down the rabbit hole that is Tasker in order to automate the process, and it's more or less functioning. The task runs when I connect/disconnect to HandsFreeLink, and it does a few things:
    • Unlocks the phone. (After many trials and tribulations and tasker plugins suggesting I could unlock the keyguard, I just resorted to changing my pattern password to a PIN and sending touch inputs to it. Secure, I know.)
    • Toggles a mobile hotspot on my phone (Make sure your HU automatically connects to it)
    • Launches Android Auto. If you're following along in tasker, when you're on the app selection screen you gotta long press on AA and scroll down the list until you see companion.settings.DefaultSettingsActivity.
    • Then it sends a touch input to the 3 dots on the top right and the 3rd option on the list that drops down, which is the start/stop button for the head unit.
    To get it working seamlessly with the HU, have HondaHack launch Head Unit Reloaded on startup. Once the phone and the HU are connected to each other, start Wifi mode on HUR, and AA should come on your screen. After a few seconds of lag, my connection has been pretty rock solid. There's a little bit of input delay that gets less noticeable after ~15 seconds.

    One thing of note for the android devs out there, there's a service within the Android Auto app package that should start the head unit server, called
    "com.google.android.projection.gearhead.companion.DeveloperHeadUnitNetworkService". I'm not sure how to start that service without manually pressing buttons, and my task is pretty inefficient because of all the manual inputs. Someone with more android dev knowledge and caffeine than I would be of great service to the Head Unit Reloaded community were they to figure out how to launch the service without having to resort to sending inputs.

    If anyone has questions, go ahead and ask. I don't consider myself a master at this stuff just yet but I'll give it a shot.
     
  16. Oct 29, 2021 #16
    MrFixit

    MrFixit Well-Known Member

    Maryland
    Slightly off-topic, but I'll try your 'mastery' anyway !
    As you probably know, we are able to read the HV battery capacity through the OBD2 port. This involves reading a single PID from the CAN bus. The head unit undoubtedly has CAN access, and it would be very nice to read this parameter and display it on the screen (much like HH does with the 12V battery and CPU load). This would only need to be done once during startup because the value is more-or-less static, so it should not have a negative impact on normal operations... Any idea how to read a vehicle CAN value with the head unit?
     
  17. Oct 29, 2021 #17
    Arctiic

    Arctiic Member

    SoCal, USA
    Is PID the only traceable data header? I'm assuming that header value is not static, which makes narrowing it down difficult unless you have another unique identifier to search by? I'm not very knowledgeable in this area, but I am aware of a fairly pricey piece of hardware called the Comma Panda; despite the price tag though, the community behind its development is open-source (OpenPilot). You might be able to get more information by interacting with the development community there, provided there's no conflicts of interest in the exchange of the involved information. Another such community you can try would be Giraffe community; they are also open-source, and they are the ones responsible for the development of the $30 piece of hardware (optionally, you can build your own) that enables OBD-II data injection into the CAN-buses while selectively filtering the ADAS' stream. More importantly, the Giraffe handles CAN-ID emulation and ECU fingerprinting; I've not looked very deep into the infrastructures involved, but just based on intuition I'd say they would have a good chance of being able to point you in the right direction, if not straight-out answer your inquiries. Hope that helps!
     
  18. Oct 29, 2021 #18
    MrFixit

    MrFixit Well-Known Member

    Maryland
    Sorry, maybe I didn't explain this well enough. The header is fixed, and I already know the PID addressing and decoding. Just pondering how the head unit interacts with the vehicle CAN. Are there Android CAN drivers in place with sufficient documentation too use them? I have and used a CAN sniffer through the OBD port... Just need to be able to do this from Android with the head unit.
     
  19. Oct 29, 2021 #19
    Enoxys

    Enoxys New Member

    I have never touched an OBD2 port in my life, let alone interacted with CAN, though I have seen a handful your posts about getting a battery readout. You guys use Bluetooth OBD2 readers right? Is there anything stopping the Honda Hacked lot of you from BT connecting to the reader directly from the head unit and install the app you use to read the data on the HU? If the app is lightweight enough I bet you could get away with reading the relevant data without the use of your phone.
     
  20. Oct 29, 2021 #20
    MrFixit

    MrFixit Well-Known Member

    Maryland
    You are correct.
    My fear is that is not lightweight enough, but it should work.
     
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