Yes - 6.3.0 is only tested under 13 and as you have seen, may not even build..
usb_device module source code has something wrong. As I know xc does not support pointers. But here is something ::::
Pointers are now supported! However, due to have concurrent tasks sharing the same physical memory space, there are some restrictions to enforce safety. There are extension to handle these cases (such as moving pointers between cores, which is handy for buffers) and you can even go fully unchecked using unsafe pointers (but beware if you do!).
Now I am using : xtimecomposer 13.
tsusbaudio driver 2.3
ref design v6.5.0
and wanted to apply dsp that you uploaded previous discussion.
However You said that you tested it on MFA.
In my case I am using DJ Kit. Still cannot record. IF you mind please test it on dj kit and give a feedback.
in xp_skc_su1.xn why the end of the line is changed? for specific reason?
<Device NodeId="0" Core="0" Class="SPIFlash" Name="bootFlash" Type="M25P40">
in previous version it was M25P10
above definitions are different from where you defined in customdefines.h?
>> Yes - I used stereo in/out. The other difference is I passed the defines in from teh makefile rather than from the include file using -Dxxx. Don't forget you need to set the number of DAC channels as well as channels out. Same for ADC channels vs channels in. I didn't try it with 4ch in/out. The timing of my test code may not work for that case because you are doing double the DSP and more channel comms. So you would need to check that.
But still cannot return audio signals. How did you check the output with dsp?
>>>Audacity
I used matlab to record from dj kit.
In dsp.xc Line 131 and 132 outuint(c_dsp2audio, inuint(c_host)); is twice. Is it right or any other reason?
>>>It is correct. That part of the protocol passes through two ints to audio
Audacity records only two channel I as know. Last time I used it.
# Audio Class 2, Input, Output, No MIDI, No SPDIF
XCC_FLAGS_2ioxx = $(BUILD_FLAGS) -DSPDIF=0 -DNUM_USB_CHAN_IN=4 -DNUM_USB_CHAN_OUT=4 -DI2S_CHANS_ADC=4 -DI2S_CHANS_DAC=4
INCLUDE_ONLY_IN_2ioxx =
is defined in Makefile for my project.
But does not record!
even I used like so: (But you tested with 2 channels and said worked!) and does not make sense.
XCC_FLAGS_2ioxx = $(BUILD_FLAGS) -DSPDIF=0 -DMIDI=0 -DNUM_USB_CHAN_IN=2 -DNUM_USB_CHAN_OUT=2 -DI2S_CHANS_ADC=2 -DI2S_CHANS_DAC=2
Did you change other things?
Should I enable (#define SU1_ADC_ENABLE 1) ?
What do you mean >>The timing of my test code may not work for that case?
Can you upload the source code that worked for you?
Audacity records only two channel I as know. Last time I used it.
>>>I have managed to record/playback 8 channels OK using audacity. I use OSX maveriks, not sure it that makes any difference.
# Audio Class 2, Input, Output, No MIDI, No SPDIF
XCC_FLAGS_2ioxx = $(BUILD_FLAGS) -DSPDIF=0 -DNUM_USB_CHAN_IN=4 -DNUM_USB_CHAN_OUT=4 -DI2S_CHANS_ADC=4 -DI2S_CHANS_DAC=4
INCLUDE_ONLY_IN_2ioxx =
is defined in Makefile for my project.
But does not record!
>>>But does it playback? Does it enumerate even? It would help to know if it is completely broken or whether just input is not working.
even I used like so: (But you tested with 2 channels and said worked!) and does not make sense.
XCC_FLAGS_2ioxx = $(BUILD_FLAGS) -DSPDIF=0 -DMIDI=0 -DNUM_USB_CHAN_IN=2 -DNUM_USB_CHAN_OUT=2 -DI2S_CHANS_ADC=2 -DI2S_CHANS_DAC=2
Did you change other things?
>>>Nope - the rest is stock 6.6.0 ref design.
Should I enable (#define SU1_ADC_ENABLE 1) ?
>>> Only if you want to enable the 12b integrated ADC inside the U8A. It has nothing to do with the audio path
What do you mean >>The timing of my test code may not work for that case?
>>>If you increase channel count, you increase the amount of channel communications and DSP workload per sample (comms overhead), so you need to calculate how much time you have in between samples and make sure your code fits within that time period. That's true for any realtime DSP though..
Can you upload the source code that worked for you?
>>>I can't publicly because our source is licensed to specific users. If you like you can send me a pm and I will send you a link to a dropbox. It'll be a zipped up 6.6.0 ref design release with the changes applied that I mentioned in this thread. Like I said, it all seems to work fine so probably a simple mistake somewhere along the way!
