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Thread: 2nd Try

  1. #21
    Maximum Bitrate nasa's Avatar
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    A couple of more questions I hope someone has some insight on....

    1. When using an external drive / flash drive (for media) connected via a usb hub, how does one handle power loss to the usb hub and not to the computer? ie: usb hub powered via ACC line while computer powered from battery -- and the ACC line goes dead on cranking...

  2. #22
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    the psu for my pc has capacitors in it that hold enough charge during cranking. why don't you just wire your hdd and whatnot into your psu? i know mine has a few extra sata and floppy and regular 4 pin ones that i don't use. just use a miltimeter and wire them in, the hard drive runs off of 12 volts and the psu puts out 12 volts...

  3. #23
    Maximum Bitrate nasa's Avatar
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    I'm not using my DC-DC converter in this case (which does as you described) purely because of location. I plan on having my media drive in my glovebox, while the carputer is located in the trunk. I did try running a long usb extension cable between the two, but my drive wasn't seen when I did that (it may be a bad cable, but I haven't got another one on hand to check if that's the case).

  4. #24
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    how long of a usb cable are we talking here? anything over like 9 feet or something requires an active usb cable. I attempted something of this sort with a usb camera and around 25 feet of wire. the camera was seen but could only produce the lowest resolution video. If you want power going to your usb drive during engine cranking your going to have another power source for it, whether it be a capacitor or another battery. I would go with the capacitor route or get a dc-dc power supply and rig it up.

  5. #25
    Maximum Bitrate nasa's Avatar
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    Superman,

    I actually am using a DC-DC adapter, it's just powered via the ACC line.... I will have to see if I am motivated enough to rearrange my power lines and if that DC-DC adapter will work (it was giving me some issues before).

    But that's down on my priority list, I have some other issues I am working on :

    1. when I run certain apps icepanel covers the bottom half and the top half is hidden by the top bar -- end results, I can't kill the app (volume control is a prime example)

    2. Talking volume control -- the volume applet doesn't show iec958(also known as spdif), only analog outputs. Since all my audio is routed via spdif, I don't have any sound right now.


    I have other items I am also working on (just not realated to Linux).
    Nasa

  6. #26
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    1. I haven't had any problems with matchbox and windows. what apps are giving you problems?

    2. what is a talking volume control? it sounds like your problem is with the volume app.

  7. #27
    Maximum Bitrate nasa's Avatar
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    Quote Originally Posted by superman279 View Post
    1. I haven't had any problems with matchbox and windows. what apps are giving you problems?
    Specifically the dialog box that comes from the volume control applet

    2. what is a talking volume control? it sounds like your problem is with the volume app.


    Sorry for the confusion -- *Talking* as in "Talking about...". And it's the same applet as what I was mentioning in point #1

  8. #28
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    Quote Originally Posted by nasa View Post
    1. when I run certain apps icepanel covers the bottom half and the top half is hidden by the top bar -- end results, I can't kill the app (volume control is a prime example)
    icepanel2 really only works well with matchbox window manager. it's not setting the partial struts in X. I could port some code from icepanel3 to fix that but...
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
    Works on Tizen IVI. Does not represent anyone or anything but himself.

  9. #29
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    well tripzero said he would fix it!

  10. #30
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    Quote Originally Posted by superman279 View Post
    well tripzero said he would fix it!
    if only I can code in my sleep... The two workarounds for now are to either run matchbox or run icepanel3 (which is kinda buggy, but works). Or if you know how to code, backport the partial strut thingy from icepanel3 to libnghost/icepanel2 (don't recall where the window creation code is off the top of my head) and send me a patch .

    I'm busy right now getting software ready for afkfest but rest assured I'm dreaming of icepanel4...
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
    Works on Tizen IVI. Does not represent anyone or anything but himself.

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