PUREPATHCONSOLE: PUREPATH-CMBEVM + TAS5825mEVM: Issues "Writing coefficients to device"

Colin McArdell

Part Number: PUREPATHCONSOLE
Other Parts Discussed in Thread: TAS5825M, PUREPATH-CMBEVM

I'm attempting to tune the TAS5825m amplifier with PurePath Console via the PUREPATH-CMBEVM and TAS5825M EVM board.

1) I can begin tuning the device when activating audio modes that don't enable things that are "Smart" as in the features that require information about the speaker from the "Character Speaker" section

2) When I select an audio mode such as "SmartAmp LookAhead" or "Base/Pro" with either default or custom thiele/small parameters, the configuration of the amplifier by PPC gets stuck at the "Writing coefficients to device"

3) I can't seem to find any resolution to this sort of problem in other posts that seem to be similar, however a number of suggested solutions (none confirmed) in other forum posts are leading me to believe that the issue might be either:

a) Windows 10: PurePath Console running on a Window 10 machine... I have tried installing PPC on two separate PCs running Windows 10 with no success. I have not tried installing on a Windows 7 or 8 machine.

b) Buy and try another Eval board: I recently bought another PUREPATH-CMBEVM because the previous board I had stopped working entirely... so I have a brand new PUREPATH-CMBEVM. Both PUREPATH-CMBEVM boards exhibited the same problem. I haven't tried replacing the TAS5825M EVM

Any information to help me get the other audio modes functioning while tuning would be amazing.

Thanks.

Best,

Colin

over 5 years ago

0 Claus Maehringer over 5 years ago

Prodigy 100 points

Dear Colin,

I just ran into the same problem with a quite similar environment (Win10 / 64)

I found this entry witin E2E that solved it for me:

The PATH environment variable did not contain the link to the matlab runtime!

Link to the posting:

(https://e2e.ti.com/support/audio/f/6/p/798348/2953919?tisearch=e2e-sitesearch&keymatch=TAS5825M%25252520stuck%25252520coefficients#2953919

The pdf attached at the end contains the information.

Hope it works for you - good luck!

Bye

Claus

0 Colin McArdell over 5 years ago in reply to Claus Maehringer

Prodigy 40 points

Dear Claus,

Thank you very much for your response.

I went through the steps in the provided PDF. The problem has been resolved! Thank you! Specific details below:

1) Confirmed exists: MATLAB Compiler Runtime 7.16

2) Path to MATLAB Compiler Runtime did not exist: System (Control Panel) / Advanced System Settings / Environment Variables / System Variables / `Path` / C:\Program Files (x86)\MATLAB\MATLAB Compiler Runtime\v716\runtime\win32

For me, the solution was adding the MATLAB Compiler Runtime to the System Environment Variables `Path` as the PDF linked suggested.

All is well.

Thanks again.

Best,

Colin

Audio

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PUREPATHCONSOLE: PUREPATH-CMBEVM + TAS5825mEVM: Issues "Writing coefficients to device"