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Type: Posts; User: defragster

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    Oh - and congrats on getting something to show as...

    Oh - and congrats on getting something to show as noted.

    The interval timer "myTimer.begin(function, microseconds);" with : timer0.begin(timerLine, 31.468);
    is asking to be called 31778.31 times...
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    Would be nice to see the VGA get attention -...

    Would be nice to see the VGA get attention - especially if possible for pending Teensy 4. Not looked at that here for some time since I wired up the needed adapter and used it some on the Teensy64...
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    That sounds promising and good! Except you only...

    That sounds promising and good! Except you only show a bad picture :( I take it those puzzling 'vertical grey lines' are only during Serial5 access? What is the total added parts count and cost to...
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    Failed to move? or did the move and it failed to...

    Failed to move? or did the move and it failed to help?
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    Put those in >>...

    Put those in >> I:\tCode\libraries\uVGA\uVGA_valid_settings_240MHz.h

    Both compile and display a portion of the screen image expected.

    About: #define UVGA_240M_360X288
    >> Monitor reports ::...
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    The waitBeam 'delay' function timing can lose a...

    The waitBeam 'delay' function timing can lose a lot of time - would be nice to have a way to locate the best and longest break in DMA access. Can get decent SYNC and <2 Us wait for waitBeam() using...
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    Makes sense there may be some timing issues -...

    Makes sense there may be some timing issues - that is a lot of data moving on those regular sync passes - all under DMA with 92% CPU free.

    A saw the Sphere demo degrade on the top - then recovered...
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    That is a good question for qix67? I wasn't sure...

    That is a good question for qix67? I wasn't sure if it was just my display. It is really obvious with the Registration lines on screen - which is why that is the default view that comes up....
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    Nice Frank. I was wondering about trying other...

    Nice Frank. I was wondering about trying other displays - not at my computer ( on battery and no USB) - so I programmed a 'screen Saver' mode in when the lines.ino starts without Serial. It runs...
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    Okay, good to know. That may be a scaling...

    Okay, good to know. That may be a scaling artifact from the displays finding a suitable resolution for the given output? I saw it here on a second LCD as well.

    Good news on advancing with the...
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    Another update: Framerate adjustable:: #define...

    Another update: Framerate adjustable:: #define SET_FRAMERATE 10 // #10 results in 60 Hz update rate, #5 is 30 Hz, #4 is 20 Hz, #3 is 15 Hz, #2 is 12 Hz
    TimeBeamWait generally works out 1 Us, but...
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    Updated code in post #126. Simple change got...

    Updated code in post #126.

    Simple change got TimeBeamWait:1 - which means elapsedMicros is gating entry update request in sync in the sample. Drawing is clean and smooth and under 0.120ms wait per...
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    My code is still in flux - so many numbers to see...

    My code is still in flux - so many numbers to see :)

    NOTE: I went to F_BUS 60 back to 120 and redid the Auto Adjust - now the text is properly left justified to the true edge? Register() should...
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    Modified version of the above is in the works -...

    Modified version of the above is in the works - no delay - just a 16ms watch for elapsedMillis to have passed before bothering to do screen updates again. Will look and adjust based on time between...
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    I plugged mine into the VGA port on my 'big...

    I plugged mine into the VGA port on my 'big screen' TV and it came up fine. I should modify the Register lines to print H/V resolution and FPU and BUS speed - perhaps just the first few times it...
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    Do you see the odd darker bar between rectangles?...

    Do you see the odd darker bar between rectangles?

    Glad it works - simple - hopefully valid code. I made the functions to isolate some stuff and then gave them the uniform 'delay' param. Glad I...
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    I commented the FAST_HLINE line out and didn't...

    I commented the FAST_HLINE line out and didn't see a change. Below is the code to see if you see it also and can determine the true source.

    I don't know if this proves or shows anything - I just...
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    Quick half an update - my code is improving - but...

    Quick half an update - my code is improving - but still too ugly no time to share and finish the utility.

    I did get this quick pic showing the color gradations in RGB on the bottom row - followed...
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    Good news on the serial! Serial #2 with FIFO as...

    Good news on the serial! Serial #2 with FIFO as always the least hit on interrupts - but then it has that hardware queue which luckily doesn't interfere like the USB hardware does.

    I made a crude...
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    About HID versus USB_Serial I found this note on...

    About HID versus USB_Serial I found this note on PJRC that could explain the constant disturbance to VGA as the MCU USB core steals bus cycles:

    PJRC.com/teensy/td_serial.html
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    I pulled up one end each of my two misplaced...

    I pulled up one end each of my two misplaced resistors and crossed them and soldered and it seems good. My first test was VGA to my ~50" TV LCD caveats apply and my color lines looked good. The RED...
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    I just compiled the ASCIITableVGA with SERIAL:...

    I just compiled the ASCIITableVGA with SERIAL: Raw HID - and NO VGA JITTER!!!

    THIS PRINTS and runs VGA smoothly. Using TyCommander (and this time the IDE SerMon too) it finds the HID Teensy and...
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    Again - Very impressive and useful work qix67! ...

    Again - Very impressive and useful work qix67!

    I should have done a pic of the jitter USB connect causes - it was significant! With TyCommander serial Off stops it - when on with no messages it is...
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    Tried above on my desktop 23" LCD at 240 MHz. ...

    Tried above on my desktop 23" LCD at 240 MHz. Dropped to 168 MHz with drawingTest and that worked , and on second 19" LCD.

    That then worked fine on my old iiyama Vision Master CRT, but did not...
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    My board is working with current GitHub code. My...

    My board is working with current GitHub code. My meter says VGA pin 2 color channel has 1K swapped with 2K so my shading will be off - I am using the 100 Ohm resistors for H&V/Sync so I may not have...
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    I'll see what I can on my display(s) [LCD & CRT]...

    I'll see what I can on my display(s) [LCD & CRT] - my direct wired on PCB - similar to Frank's just needs two more lines run and then time to test. I wired a PS2 connector for C64 reference.
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    qix67 - Good Work! The DEMO video looks...

    qix67 - Good Work! The DEMO video looks impressive. And your off PCB connector looks much easier to wire more cleanly than the PCB style Frank and I are using.
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    Based on the trivial resistor connection to VGA...

    Based on the trivial resistor connection to VGA adapter I did - and half re-did so far - that sounds like a few 'glue' cables to solder with banks of 8 to deal with. Good luck! I got my VGA...
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    I even dutifully marked the PCB with a white ink...

    I even dutifully marked the PCB with a white ink pen for VGA pin1 (And T_3.6 GND) to keep my orientation for all wires as I flipped it over - the bad thing I did that when I was disoriented WRT VGA -...
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    Multimeter just pointed out that indeed I...

    Multimeter just pointed out that indeed I improperly translated top and bottom rows as presented and soldered on the PCB :(

    Looking at the face I saw it properly - the but when upside down and...
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    Thanks qix67 - I'll check my GNDs and go from...

    Thanks qix67 - I'll check my GNDs and go from there for signals and try an LED.

    Re GND:: Indeed I first trimmed the OPEN pin on the middle row - then left wire insulator where it passed over.
    ...
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    I have my board built and tried with Franks C64...

    I have my board built and tried with Franks C64 HEX and I just built "...\libraries\uVGA\examples\DrawingTest".

    On two displays connecting VGA:

    >C64 code woke monitor - then it found 'Analog No...
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    Nice work Frank and qix67!

    Nice work Frank and qix67!
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    I am curious too about adding the SRAM - at least...

    I am curious too about adding the SRAM - at least to see if Frank can use it :)

    I soldered a VGA connector to a PCB - but too late in the day to organize the resistors and solder them to try...
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    Congratulations Frank! Great news to start.

    Congratulations Frank! Great news to start.
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    Indeed it is a bit early to build something when...

    Indeed it is a bit early to build something when it may change for the better with added support chips. I'll have connectors for your prototype in about a week.
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    Yes 'Spring' is a good word to me for those...

    Yes 'Spring' is a good word to me for those mounting pieces. It would be nice to see the bottom - but it is probably just ugly and not secret :) Just following the wiring provided on...
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    Thanks Frank. Is the cap something you added?

    Thanks Frank. Is the cap something you added?
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