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

Search:

Type: Posts; User: jorj

Search: Search took 0.00 seconds.

  1. Thanks, didn't know it was doing that. That...

    Thanks, didn't know it was doing that. That definitely explains the behavior.



    Okay, so I'm not aware of a decoration for a segment of RAM1 DTCM, and in my mind declaring that it has to be in...
  2. Seems to work casually, I'll work it out a little...

    Seems to work casually, I'll work it out a little more later.

    I'm not convinced that the problem is (at least solely) caching - playing with this a little over lunch today, I found (as I'm sure...
  3. Thanks, that gives me somewhere to look. I've got...

    Thanks, that gives me somewhere to look. I've got a version of the RA8875 driver that's doing DMA (8-bit only) and suffering from the same issue. I'll play with flushing the cache first to see if...
  4. ILI9341_t3n DMA problem when dynamically constructed on a Teensy 4.1

    Kurt, you probably know this answer too...

    Here's a test program (wired up on a Teensy 4.1) that dumps a 320x240 16-bit image on to an ILI9341, using DMA. Works great as long as it statically...
  5. Replies
    4
    Views
    240

    Got it, thanks for the clarification Kurt.

    Got it, thanks for the clarification Kurt.
  6. Replies
    4
    Views
    240

    I see it clearing the receive and transmit bits....

    I see it clearing the receive and transmit bits. But it's also setting all of the error condition bits. Is that intentional?
  7. Replies
    4
    Views
    240

    Possible bug in ST7735_t3.cpp

    In this line


    _pimxrt_spi->SR = 0x3f00; // clear out all of the other status...


    I wonder if Paul meant to mask out the bits, rather than setting all of the error condition bits.


    ...
  8. Replies
    1
    Views
    2,070

    Keyboard timeout handling: bug?

    Teensyduino 1.45's keyboard handling (usb_keyboard.c) has this common pattern twice:



    while (1) {
    if (!usb_configuration) {
    return -1;
    }
    ...
Results 1 to 8 of 8