Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: hoho

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    6
    Views
    263

    I've just checked two chips (so, four CS pins)...

    I've just checked two chips (so, four CS pins) with new T4 arrived. And it seems to work. So something was definitely wrong in my setup. And thanks for the SCK speed tip. I'll be gradually adding...
  2. Replies
    15
    Views
    2,563

    I was fearing SMD for quite some time. It's...

    I was fearing SMD for quite some time. It's turned out to be pretty easy with the right tools.

    I've got a simple hot air soldering station and an SMD soldering paste. But what makes it really easy...
  3. Replies
    6
    Views
    263

    Thanks for the response. I am now thinking the...

    Thanks for the response.

    I am now thinking the problem is in my setup...
    I use pins 2, 3, 4, 5, 6, 9, 10, 24, 25, 28, 29, 30, 31, 32 for CS. Seven S70FL01GSAGMFI013 chips (each chip has two parts...
  4. Replies
    6
    Views
    263

    Teensy 4.0 and SPI chip select sadness

    Hi,

    I've made a board under assumption that any digital pin can be used as chip select pin (my board uses 14 digital pins for 14 NOR flash modules). Unfortunately, it doesn't work at all. I've...
  5. Replies
    15
    Views
    2,563

    Just FYI, I've finally soldered that CS42448-DQZ...

    Just FYI, I've finally soldered that CS42448-DQZ and it seems to be working.
  6. Replies
    5
    Views
    256

    Wow, 4.1? Pretty cool :).

    Wow, 4.1?
    Pretty cool :).
  7. Replies
    5
    Views
    256

    Thanks! Two things have made me wondering: 5V...

    Thanks!

    Two things have made me wondering: 5V on pin 8 of 6N138 and the lack of T4 mention on that page.

    Makes sense to update that page and add T4 to the table. So that people like me don't...
  8. Replies
    5
    Views
    256

    Teensy 4.0 MIDI circuit

    Hi,

    It's probably asked and answered multiple times, but I can't create a search query to find it.

    Is the circuit from https://www.pjrc.com/teensy/td_libs_MIDI.html (the first one with 6N138)...
  9. Replies
    10
    Views
    475

    After several WTF moments, I've managed to get...

    After several WTF moments, I've managed to get this chip working.

    That chip is actually mentioned here...
  10. Replies
    10
    Views
    475

    Thanks. I will have that in mind. I've ordered a...

    Thanks. I will have that in mind.
    I've ordered a couple of S70FL01GSAGMFI013 to try. If I will manage to get them working, I'll order more, otherwise will be trying other approaches.
    Theoretically,...
  11. Replies
    10
    Views
    475

    And if I read the datasheet correctly, this chip...

    And if I read the datasheet correctly, this chip consists of two parts and requires two chip select pins.
    I probably could reduce the number of samples to 500MB, which will require 4 chips and 8...
  12. Replies
    10
    Views
    475

    Why is it always falling down to the insanity......

    Why is it always falling down to the insanity... :)
    As far as I can find, Cypress S70FL01GSAGMFI013 seems to be the only 1Gb option available to order in Europe.
    Not cheap enough to order it...
  13. Replies
    10
    Views
    475

    I've learned about Mbits some time ago, yeah, it...

    I've learned about Mbits some time ago, yeah, it was disappointing.

    But given it's SPI, I suppose I would be ok to have an array of, say, up to 4 chips, I can spare 4 pins for the chip select...
  14. Replies
    10
    Views
    475

    The state of SPI Flash support

    Hi,

    What is the biggest (storage-wise) SPI flash chip known to be properly working with Teensy as of today? Which is available and not obsolete.
    I have found a number of Paul's mentions of NAND...
  15. @DD4WH, thanks, I think arm_rfft_f32() is the...

    @DD4WH, thanks, I think arm_rfft_f32() is the droid I was looking for! :).

    I connect one instrument to one channel and another instrument to the second channel. And I want to have different IRs...
  16. @DD4WH, I'm wondering if you could help me...

    @DD4WH, I'm wondering if you could help me clarifying a few things. It's about arm_cfft_f32() function. The docs for it seem require much more of a context comparing to what I have. I'm looking to...
  17. Replies
    15
    Views
    862

    To chime more in. The problem is indeed Teensy...

    To chime more in. The problem is indeed Teensy 4.0 related.
    My wiring was correct. I'm just trying the same setup but with Teensy 4.0 as master and Teensy 3.6 as slave — and it works.
  18. Replies
    15
    Views
    862

    I don't have the audio shield. It has...

    I don't have the audio shield. It has inconvenient form factor and connectivity options (two separate smaller boards for ADC and DAC without unnecessary components are more flexible), plus it has SD...
  19. Replies
    15
    Views
    862

    Just in case you will try — be carefull, it's...

    Just in case you will try — be carefull, it's very loud.
    I was lucky to have it in the headphones which were not fully on me.
    Otherwise, I wouldn't care about the sounds anymore :).
  20. Replies
    15
    Views
    862

    The basic connections are the same as on these...

    The basic connections are the same as on these pictures: https://forum.pjrc.com/threads/57267-Fast-Convolution-Filtering-with-Teensy-4-0-and-audio-board?p=219550&viewfull=1#post219550. The same...
  21. Replies
    15
    Views
    862

    Teensy 4.0 I2S slave problem

    Hi,

    I'm trying to connect two Teensys 4.0 together. One is I2S master, the second one is I2S slave, with a simple PassThroughStereo example in both (the second one uses the slave I2S classes)....
  22. DD4WH, I want to say huge thank you for...

    DD4WH, I want to say huge thank you for publishing this work!

    I've tried guitar_cabinet_impulse (the default version with 22016 taps) yesterday and it sounds truly amazing!

    The only problem now...
  23. Replies
    15
    Views
    2,563

    I've got the chip, but I haven't soldered it on...

    I've got the chip, but I haven't soldered it on the board yet. Because T4 has arrived and it fits my project better and it would make sense to have a T4-dedicated board instead of soldering a 3.6...
  24. Thanks! Is there a prediction about when the...

    Thanks!

    Is there a prediction about when the audio USB type is coming to T4?
  25. By the way, I don't see other than Serial options...

    By the way, I don't see other than Serial options in the USB type menu for T4 (for T3.6 there are all kinds of options).
  26. Multichannel AudioInputUSB and AudioOutputUSB

    Hi,

    An idea has just crossed my mind.
    Can I use multiple AudioInputUSB/AudioOutputUSB objects at the same time?
    For example, if I will try to use four AudioInputUSB objects and three...
  27. Replies
    145
    Views
    40,170

    Thanks! Though if there is an option I would...

    Thanks! Though if there is an option I would really prefer the «tested by multiple people» version :). And thank you for opensourcing your thing.
  28. Replies
    145
    Views
    40,170

    Paul, I'm wondering what do you use to create...

    Paul, I'm wondering what do you use to create gerber files? I mean which application (KiCad or something else).

    And if there is a chance that you could share the source file of the CS42448 board?...
  29. It seems to work. Thanks! Attaching a couple of...

    It seems to work. Thanks! Attaching a couple of photos. I've also used sockets for everything, so that I don't need to resolder if I nuke something.

    1797517974
  30. I was wondering if it's needed to duplicate the...

    I was wondering if it's needed to duplicate the resistor for ADC and DAC. My current thinking is to try something like:



    __ ADC LRC
    ...
  31. Replies
    3
    Views
    582

    Thanks! The theoretical part makes more sense to...

    Thanks! The theoretical part makes more sense to me now!

    Now I need to figure out how to load that wav file into the filter...

    Sounds like Teensy 4.0 having more memory would help.
    Apart from...
  32. Replies
    3
    Views
    582

    Impulse Responses for Dummies

    Hey,

    I'm trying to understand the impulse responses in order to use them, but it doesn't come easy :).

    All the impulse responses I've found are coming in a form of wav file (which sounds like a...
  33. I am wondering why did you use LRCLK and BCLK...

    I am wondering why did you use LRCLK and BCLK resistors for ADC only? I'm resetting up the same thing with T4 (had it with 3.6). Would it make sense to have the resistors on all three LRCLK, BCLK and...
  34. @KurtE, thanks. But the microUSB (the one I...

    @KurtE, thanks. But the microUSB (the one I connect to program) is 480 Mbits as well? And the https://www.pjrc.com/teensy/usb_serial.html will utilize the whole bandwidth? It's very cool that the...
  35. Teensy 4.0 microUSB speed and CS42448 support

    Hi,

    It's pretty exciting to see that Teensy 4.0 is out!

    I would want to clarify two things before ordering one:

    1. Will Paul's CS42448 TDM board work with it? Will I need to readjust the...
  36. Replies
    1
    Views
    206

    CDCACM serial at 480 Mbits

    I'll start a separate dedicated thread as I seem to have the problem narrowed down (that's the initial thread: https://forum.pjrc.com/threads/56595-USB-Host-Force-Detection).

    I try to connect a...
  37. Replies
    13
    Views
    721

    More intermediate results. If I comment all the...

    More intermediate results. If I comment all the checks out (starting from «if (descriptors[9] != 7) return false; // length 7» till «if (descriptors[21] != 0) return false;», then hardcode txsize and...
  38. Replies
    13
    Views
    721

    So, I've received the USB connector boards and...

    So, I've received the USB connector boards and soldered one directly on top of Teensy.

    It's definitely a progress, but seems to be not there yet :).

    It all works when I force it to 12 Mbits (in...
  39. Replies
    13
    Views
    721

    Thanks so much! I will let you know, but it...

    Thanks so much!

    I will let you know, but it might take some time. In order to not ruin the whole thing with my unskilled soldering I've ordered a bunch of these:...
  40. Replies
    13
    Views
    721

    Doesn't seem to help. It is a long shot as well,...

    Doesn't seem to help.
    It is a long shot as well, but my current hypothesis is that there might be an interference preventing from 480 Mbits capability... I have pretty short wires between the USB...
  41. Replies
    13
    Views
    721

    My current finding: the async follow-up callbacks...

    My current finding: the async follow-up callbacks are not being called. And if I uncomment «USBHS_PORTSC1 |= USBHS_PORTSC_PFSC; // force 12 Mbit/sec» line in ehci.cpp, the device starts to be...
  42. Replies
    13
    Views
    721

    As far as I know, Raspberry Pi 3 uses microUSB...

    As far as I know, Raspberry Pi 3 uses microUSB port for power only and doesn't have the data wires connected anywhere. Raspberry Pi Zero has it connected, but I don't have one yet to see if it's the...
  43. Replies
    13
    Views
    721

    lsusb -v -d 525:a4a7 Bus 001 Device 003: ID...

    lsusb -v -d 525:a4a7

    Bus 001 Device 003: ID 0525:a4a7 Netchip Technology, Inc. Linux-USB Serial Gadget (CDC ACM mode)
    Couldn't open device, some information will be missing
    Device Descriptor:
    ...
  44. Replies
    13
    Views
    721

    @KurtE, thanks for the suggestions! Something is...

    @KurtE, thanks for the suggestions! Something is definitely happening under the hood. Also there seems to be a bug somewhere (likely in the USBHost_t36)...

    Teensy is off, the Pi device is started...
  45. Replies
    13
    Views
    721

    USB Host Force Detection

    Hi,

    I'm trying to get the second high speed USB port on Teensy 3.6 working for my scenario.

    To power the Pi-like device I have a separate 5v power supply, connected power and ground pins of the...
  46. High speed options for the data out from/in to Teensy 3.6

    Hi,

    I need to send the audio data from Teensy to a Raspberry Pi-like board and receive it back (ideally, I'm talking about realtime sending of all 6 channels from TDM input of CS42448 board to Pi...
  47. Replies
    15
    Views
    2,563

    The codec chip on OSH Park links to CS42448-CQZ....

    The codec chip on OSH Park links to CS42448-CQZ. I've found CS42448-DQZ on AliExpress which seems to be exactly the same except for the wider working temperature range. Should DQZ match as well?
  48. Replies
    145
    Views
    40,170

    Could you by any chance make two or three for me?...

    Could you by any chance make two or three for me? If yes, what will the price look like?
  49. Replies
    13
    Views
    1,029

    I think you have opened a Pandora's box for me......

    I think you have opened a Pandora's box for me... I was exploring more and that CS42448 is exactly what I need! Thanks.
    Am I correct that https://oshpark.com/shared_projects/2Yj6rFaW is the empty...
  50. Replies
    4
    Views
    742

    Soldered a jack and tested the pass through with...

    Soldered a jack and tested the pass through with an audio player. It works but the level directly from the Audio Player -> Phones is significantly higher than the level from the Audio Player -> ADC...
Results 1 to 50 of 68
Page 1 of 2 1 2