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Interior Modifications

VY/VZ Headunit Mod for Aux Input

Specific interior modification information for Holden Commodore VY and VZ Series Holden Commodores, and HSV models

Postby TazzI » Mon Jul 21, 2014 1:14 am

Treble -6 to +6
Code: Select all
TREBLE -6
[0x88+0x03+0x91+]
TREBLE -5
[0x88+0x03+0x92+]
TREBLE -4
[0x88+0x03+0x93+]
TREBLE -3
[0x88+0x03+0x94+]
TREBLE -2
[0x88+0x03+0x95+]
TREBLE -1
[0x88+0x03+0x96+]
TREBLE STD
[0x88+0x03+0x9F+]
TREBLE +1
[0x88+0x03+0x9E+]
TREBLE +2
[0x88+0x03+0x9D+]
TREBLE +3
[0x88+0x03+0x9C+]
TREBLE +4
[0x88+0x03+0x9B+]
TREBLE +5
[0x88+0x03+0x9A+]
TREBLE +6
[0x88+0x03+0x99+]
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Postby TazzI » Mon Jul 21, 2014 1:19 am

Fader rear to front
Code: Select all
Fader R6
[0x88+0x14+0x1F+0x1F+0x1A+0x00+]
[0x88+0x14+0x1F+0x1F+0x1B+0x00+]
[0x88+0x14+0x1F+0x1F+0x1C+0x00+]
[0x88+0x14+0x1F+0x1F+0x1D+0x00+]
[0x88+0x14+0x1F+0x1F+0x1E+0x00+]
[0x88+0x14+0x1F+0x1F+0x1F+0x00+]
Fader R5
[0x88+0x14+0x1F+0x1F+0x1E+0x00+]
[0x88+0x14+0x1F+0x1F+0x1D+0x00+]
[0x88+0x14+0x1F+0x1F+0x1C+0x00+]
[0x88+0x14+0x1F+0x1F+0x1B+0x00+]
[0x88+0x14+0x1F+0x1F+0x1A+0x00+]
[0x88+0x14+0x1F+0x1F+0x19+0x00+]
Fader R4
[0x88+0x14+0x1F+0x1F+0x18+0x00+]
[0x88+0x14+0x1F+0x1F+0x17+0x00+]
[0x88+0x14+0x1F+0x1F+0x16+0x00+]
[0x88+0x14+0x1F+0x1F+0x15+0x00+]
[0x88+0x14+0x1F+0x1F+0x14+0x00+]
Fader R3
[0x88+0x14+0x1F+0x1F+0x13+0x00+]
[0x88+0x14+0x1F+0x1F+0x12+0x00+]
[0x88+0x14+0x1F+0x1F+0x11+0x00+]
[0x88+0x14+0x1F+0x1F+0x10+0x00+]
[0x88+0x14+0x1F+0x1F+0x0F+0x00+]
Fader R2
[0x88+0x14+0x1F+0x1F+0x0E+0x00+]
[0x88+0x14+0x1F+0x1F+0x0D+0x00+]
[0x88+0x14+0x1F+0x1F+0x0C+0x00+]
[0x88+0x14+0x1F+0x1F+0x0B+0x00+]
[0x88+0x14+0x1F+0x1F+0x0A+0x00+]
Fader R1
[0x88+0x14+0x1F+0x1F+0x09+0x00+]
[0x88+0x14+0x1F+0x1F+0x08+0x00+]
[0x88+0x14+0x1F+0x1F+0x07+0x00+]
[0x88+0x14+0x1F+0x1F+0x06+0x00+]
[0x88+0x14+0x1F+0x1F+0x05+0x00+]
Fader STD
[0x88+0x14+0x1F+0x1F+0x04+0x00+]
[0x88+0x14+0x1F+0x1F+0x03+0x00+]
[0x88+0x14+0x1F+0x1F+0x02+0x00+]
[0x88+0x14+0x1F+0x1F+0x01+0x00+]
[0x88+0x14+0x1F+0x1F+0x00+0x00+]
Fader F1
[0x88+0x14+0x1F+0x1F+0x00+0x01+]
[0x88+0x14+0x1F+0x1F+0x00+0x02+]
[0x88+0x14+0x1F+0x1F+0x00+0x03+]
[0x88+0x14+0x1F+0x1F+0x00+0x04+]
[0x88+0x14+0x1F+0x1F+0x00+0x05+]
Fader F2
[0x88+0x14+0x1F+0x1F+0x00+0x06+]
[0x88+0x14+0x1F+0x1F+0x00+0x07+]
[0x88+0x14+0x1F+0x1F+0x00+0x08+]
[0x88+0x14+0x1F+0x1F+0x00+0x09+]
[0x88+0x14+0x1F+0x1F+0x00+0x0A+]
Fader F3
[0x88+0x14+0x1F+0x1F+0x00+0x0B+]
[0x88+0x14+0x1F+0x1F+0x00+0x0C+]
[0x88+0x14+0x1F+0x1F+0x00+0x0D+]
[0x88+0x14+0x1F+0x1F+0x00+0x0E+]
[0x88+0x14+0x1F+0x1F+0x00+0x0F+]
Fader F4
[0x88+0x14+0x1F+0x1F+0x00+0x10+]
[0x88+0x14+0x1F+0x1F+0x00+0x11+]
[0x88+0x14+0x1F+0x1F+0x00+0x12+]
[0x88+0x14+0x1F+0x1F+0x00+0x13+]
[0x88+0x14+0x1F+0x1F+0x00+0x14+]
Fader F5
[0x88+0x14+0x1F+0x1F+0x00+0x15+]
[0x88+0x14+0x1F+0x1F+0x00+0x16+]
[0x88+0x14+0x1F+0x1F+0x00+0x17+]
[0x88+0x14+0x1F+0x1F+0x00+0x18+]
[0x88+0x14+0x1F+0x1F+0x00+0x19+]
Fader F6
[0x88+0x14+0x1F+0x1F+0x00+0x1A+]
[0x88+0x14+0x1F+0x1F+0x00+0x1B+]
[0x88+0x14+0x1F+0x1F+0x00+0x1C+]
[0x88+0x14+0x1F+0x1F+0x00+0x1D+]
[0x88+0x14+0x1F+0x1F+0x00+0x1E+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
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Postby TazzI » Mon Jul 21, 2014 1:22 am

Clicking the "Tune" Button

Code: Select all
Tune forward from 104.4 to 104.5
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x23+0xFF+0x9F+]
[0xC2+0x23+0xFF+0x1F+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x35+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]

Tune forward from 104.5 to 104.6
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x24+0x07+0x9F+]
[0xC2+0x24+0x07+0x1F+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x35+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]

Tune forward from 104.6 to 104.7
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x24+0x0F+0x9F+]
[0xC2+0x24+0x0F+0x1F+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x35+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]
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Postby TazzI » Mon Jul 21, 2014 1:25 am

And playing with the cd in/out
Code: Select all
CD PUT IN
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x24+0x0F+0x9F+0xA8+0x60+0x5B+]
[0xC2+0x24+0x0F+0x1F+]
[0x84+0x00+0x00+0x00+0x00+0x00+0x00+]
[0x88+0x03+0xAA+]
[0xC2+0x24+0x0F+0x9F+0xA8+0x60+0x5B+]
[0xC2+0x24+0x0F+0x1F+]
[0x84+0x00+0x00+0x00+0x00+0x00+0x00+]
[0x88+0x03+0xAA+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x39+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]

CD Ejected
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0x84+0x00+0x00+0x00+0x00+0x00+0x00+]
[0x88+0x03+0x18+]
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x24+0x0F+0x9F+0xA8+0x60+0x5B+]
[0xC2+0x24+0x0F+0x1F+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x35+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]
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Postby TazzI » Mon Jul 21, 2014 1:27 am

And finally adjust time:
Code: Select all
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0x88+0x03+0xFF+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x02+0xAC+]
[0x88+0x01+0x10+]
[0x88+0x00+0x23+]
[0x88+0x08+0x80+]
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0x88+0x02+0xF8+]
[0x88+0x01+0x10+]
[0x88+0x00+0x35+]
[0x88+0x14+0x1F+0x1F+0x00+0x1F+]
[0x88+0x08+0x80+]
[0x88+0x03+0x08+]
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]
[0x88+0x02+0xEC+]
[0x88+0x01+0x10+]
[0x88+0x02+0xE8+]
[0x88+0x01+0x10+]
[0x88+0x02+0xE4+]
[0x88+0x01+0x10+]
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Postby TazzI » Mon Jul 21, 2014 2:03 am

So now to start interpreting these messages further. Starting with volume changes.
[0x88+0x02+0xF4+]
[0x88+0x01+0x10+]
[0x88+0x03+0x1B+] Vol 2

[0x88+0x02+0xF0+]
[0x88+0x01+0x10+]
[0x88+0x03+0x0A+] Vol 3

[0x88+0x02+0xEC+]
[0x88+0x01+0x10+]
[0x88+0x03+0x09+] Vol 4

So Volume 0 starts at F8 and begins decreasing this value all the way to 00 for full volume

Now looking at the balance frames:
[0x88+0x14+0x00+0x14+0x1A+0x1F+]
[0x88+0x14+0x00+0x14+0x1B+0x1F+]
[0x88+0x14+0x00+0x14+0x1C+0x1F+]
[0x88+0x14+0x00+0x14+0x1D+0x1F+]
[0x88+0x14+0x00+0x14+0x1E+0x1F+]
[0x88+0x14+0x00+0x14+0x1F+0x1F+]
SET TO L6

So we can see that as the 5th byte decreases, this causes the right side to unmute, can become louder as it goes down till it reaches 00
The at byte 3, this value will then increase as the balance switches to the right as it begins muting the left side
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Postby TazzI » Mon Jul 21, 2014 2:24 am

So lets decipher what these mode changes actually do...

Clicking CD from FM2
[0x88+0x08+0x81+] -Possible change to mode FM2? Maybe 08 is FM or Radio?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] - Mute all Speakers
[0xC2+0x23+0xF7+0x9F+0xA8+0x60+0x5B+] - Set FM channe (Note C2 is TDA processor)
[0xC2+0x23+0xF7+0x1F+] -Confirm? or set decimal or such?
[0x88+0x03+0xCD+] -Another Possible change mode to FM? 03?
[0x84+0x00+0x15+0x45+0x15+0x45+0x45+] -ID 84... No idea!
[0x88+0x08+0x81+] - Reconfirm?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] - Unmute all speakers (I had the volume off hence its 1F)

Clicking AM from FM
[0x88+0x03+0xCF+] - Change to AM? 03 is AM maybe? Or selects FM to sends AM with 08?
[0x84+0x00+0x15+0x45+0x15+0x45+0x45+] - No idea
[0x88+0x08+0x81+] - Selects mode? FM?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] - Mutes all speakers
[0x88+0x08+0x81+] - Double confirms Fm is selected
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] - reconfirm mute all
[0xC2+0x2D+0xF2+0x80+0x65+0x70+0xC6+] - select station
[0xC2+0x2D+0xF2+0x00+] - confirm station
[0x88+0x08+0x81+] - Final FM confirm?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] -Unmute all speakers

Clicking to FM from AM
[0x88+0x03+0xCD+] - Only change was third byte? Hmmm come back to this
[0x84+0x00+0x15+0x45+0x15+0x45+0x45+]
[0x88+0x08+0x81+] - Maybe FM and AM are same input? Possible only CD has different?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
[0xC2+0x23+0xF7+0x9F+0xA8+0x60+0x5B+]
[0xC2+0x23+0xF7+0x1F+]
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+]
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Postby TazzI » Mon Jul 21, 2014 2:27 am

So the ASM button does some simple changes:
ASM ON
[0x88+0x08+0x81+] -Our mystery command.. request change? Confirm input?
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] - Mute all speakers
[0xC2+0x23+0x7F+0x9C+0xA8+0x60+0x5B+] - Set channel
[0xC2+0x23+0x7F+0x1C+] - set channel
[0x88+0x02+0xF8+] - volume increase
[0x88+0x01+0x10+] - confirm
[0x88+0x00+0x35+] - increase
[0x88+0x14+0x1F+0x1F+0x00+0x14+] -unmute
[0x88+0x08+0x80+] -submit?

ASM OFF
[0x88+0x08+0x81+]
[0x88+0x14+0x1F+0x1F+0x1F+0x1F+] -mute
[0xC2+0x23+0xF7+0x9F+0xA8+0x60+0x5B+] - changes byte 3 and 4 to turn ASM off
[0xC2+0x23+0xF7+0x1F+] - channel set?
[0x88+0x02+0xF8+] -increase volume
[0x88+0x01+0x10+] - confirm
[0x88+0x00+0x35+] - increase volume
[0x88+0x14+0x1F+0x1F+0x00+0x14+] - unmute
[0x88+0x08+0x80+] - submit?
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Postby TazzI » Mon Jul 21, 2014 2:35 am

Boost changes.. really simple:
BOOST -4
[0x88+0x03+0x3F+]
BOOST -3
[0x88+0x03+0x4F+]
BOOST -2
[0x88+0x03+0x5F+]

Starting from -4, increase by 0x10 to increase boost by 1


And treble is the same except changes byte 3 by 1:
TREBLE -4
[0x88+0x03+0x93+]
TREBLE -3
[0x88+0x03+0x94+]
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Postby TazzI » Mon Jul 21, 2014 2:41 am

Hmmm.. I am leaning towards this frame being the mode select:
[0x88+0x03+0x93+]

Where we address the micro 0x88, the mode 03 and the trble/bass 0x93.

Since... well.. Im not sure what else?
Might hook up a speaker maybe.. and start trying some random address's and see if the FM/AM doesnt change and if can select the unused port. Might just try going up in 0x10's or something.

ehh... enough for today.. move onto SPI tomorrow maybe for something different.
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