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    @manitou - Again thanks for responding. You...

    @manitou - Again thanks for responding. You pointed me to a lot of info. I have worked through all of @vjmuzik's FNET examples and tftpd with success. Now to checkout lwIP.

    So many things to...
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    Thanks for responding. I think I will start...

    Thanks for responding. I think I will start playing with the Arduino FTP server program I found and maybe even the ones I used with wifispi. There are some others that I was checking out but never...
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    @vjmuzik - I added the Ethernet kit to my T4.1's...

    @vjmuzik - I added the Ethernet kit to my T4.1's and tested with this library. All works well. Can you recommend a good FTP library to use. On my T3.6 I was using the Adafruit ESP8266 huzzah board...
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    @mjs513 - Can you give me the exact part number...

    @mjs513 - Can you give me the exact part number for the NAND chip you are using? When I looked it up I saw that there were at least three different package types available and I want to make sure...
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    @All - just to let you know I touched up the...

    @All - just to let you know I touched up the soldering job on the extram chips on the one T4.1 board that I was having a problem with. That fixed the the issue I was having with having to add delay's...
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    @All - Worked on several example sketches today....

    @All - Worked on several example sketches today. piptest.ino, scroll.ino and MemoryTransfer.ino. These are working now. MemoryTransfer.ino was just a problem with setup(). Had to do with Serial...
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    @mjs513 - Here is a sketch to demonstrate the...

    @mjs513 - Here is a sketch to demonstrate the issue with drawRect() and printStatusLine().


    #include "Arduino.h"
    #include "RA8876_t3.h"

    #include <math.h>

    #define RA8876_CS 10
    #define...
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    Got it. That was the difference. Completely...

    Got it. That was the difference. Completely missed the fact that you were using graphic fonts. Right now I am working with piptest.ino. Discovered a conflict between drawRect() and printStatusLine()....
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    I did the PR and am playing with the example...

    I did the PR and am playing with the example sketches right now. It blows me away the way you guy's redid the library. It is going to be fun working with a quality library. I did not realize you had...
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    @mjs513, @Kurte - I just got back to...

    @mjs513, @Kurte - I just got back to Ra8876LiteTeensy today. I have been going through all of the work that you guy's did trying to reorient myself to the changes. Did not realize all of the work you...
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    @Silverlock - The other build did not work. I...

    @Silverlock - The other build did not work.
    I think you both are right. I will touch up the soldering and see what happens. I have two more T41's and more psram chips to solder up and test. Will...
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    @Silverlock, Thanks for the the download. I...

    @Silverlock,

    Thanks for the the download. I will upload and test without my mod's to startup.c. I do not have a windows machine so this will help verify the validity of the Linux compiler.
    ...
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    @defragster, @Silverlock, I am running a...

    @defragster, @Silverlock,

    I am running a 600MHz, Optimize Fast, psram purchased directly from PJRC. I have done further testing and found some interesting results.

    Instead of this modification:...
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    Thanks for checking. Will wait for results.

    Thanks for checking. Will wait for results.
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    Linux Ubuntu 18.04.1 Installed on Ardunio...

    Linux Ubuntu 18.04.1

    Installed on Ardunio 1.8.13. So far everything is working well. The only thing I have trouble with is running teensy41_psram_memtest.ino. It still fails unless I modify...
  16. @ftrias - This is so awesome!! It all comes up...

    @ftrias - This is so awesome!! It all comes up and works:) The gdbgui pops up in my Firefox browser after compiling and when I type in step in the command line I see 'mark =' values increasing in the...
  17. Thanks for the link. I will definitely check this...

    Thanks for the link. I will definitely check this out. I remember using 'DDD' as front end to GDB. I also remember using 'make' from within GDB.
  18. I have it working now and changed the terminal...

    I have it working now and changed the terminal program from xterm to mate-terminal in 'teensy_debug'. My eye's need bigger fonts:)
    Anyway it's working and now have to refresh my memory on using gdb....
  19. Thanks for the work around. That worked:)

    Thanks for the work around. That worked:)
  20. @ftrias - Having problems installing TeeensyDebug...

    @ftrias - Having problems installing TeeensyDebug on My Linux laptop.Using Ubuntu 4.4.0. Running './install-linux.sh -i=/home/wwatson/arduino-1.8.13' I got this:


    wwatson@wwatsonl1:~/TeensyDebug$...
  21. Thanks @defragster - I understand now. I am...

    Thanks @defragster - I understand now. I am seeing the 'mark' variable changing values. This brings back cool memories:)
  22. OK I am really embarrassed here:( I was using gdb...

    OK I am really embarrassed here:( I was using gdb with the Motorola 68332 back in the 90's and cannot remember how it all worked. I was part of the EFI332 forum which used the 68332 for a fuel...
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    Probably the easiest way would be to use the...

    Probably the easiest way would be to use the example programs in the USBHost_t36 library. Maybe try a USB keyboard or mouse.

    Edit: I would be interested this. Looks like it take minimal soldering...
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    Just had it happen on one of my three Linux...

    Just had it happen on one of my three Linux machines. Backed up the original .arduino15 folder and restarted arduino-1.8.12 with no problem. I use the laptop more than the two desktops and that is...
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    All - Finally got back to working with MSC. In...

    All - Finally got back to working with MSC. In particular trying to speed up write speeds. I have been experimenting with queuing an array of transfers and was hitting a road block with queuing the...
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    I did miss that. If choosing a random number...

    I did miss that. If choosing a random number between 0 and 1023 for width you would not need to subtract 1 from the width. The other thing that pop's into my mind is if the random(...) function would...
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    Thank you for the link. Everything you guys have...

    Thank you for the link. Everything you guys have done so far seems to be working on my display as well at what appears to be 50 MHz. Cool:)

    I am running 'grahpics.ino' and anything to do with...
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    @mjs513 and @ KurtE - I need a little direction...

    @mjs513 and @ KurtE - I need a little direction here. I am so easily confused:) Who's branch of Ra8876Teeny should I be pulling from to keep up with you guy's? I have to take a break from MSC for a...
  29. It all works but on power up of a PC with thumb...

    It all works but on power up of a PC with thumb drive connected to a T4.0 through a HUB the T4.0 hangs in the HUB part of initialization.What you have to do is unplug the T4.0 from the PC after the...
  30. I actually have not tried it with a powered HUB...

    I actually have not tried it with a powered HUB yet. I was using a Belkin and another no name brand HUB that works with the T4.1. The T4.0 board I was testing with was @Paul's original beta breakout...
  31. Replying to my own thread because it was to late...

    Replying to my own thread because it was to late to edit it. Come to find out the problem does not happen on the T4.1. Only the T4.0.
  32. USBHost_t36 HUB issue on power up with T4.x connected.

    I am having a minor issue with MSC and USB thumb drives on power up. When I have a T4.x connected to a PC USB port and power up the PC the T4.x will not complete the initialization process. Here is...
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    @KurtE, @msj513, @MorganS - You guys really are...

    @KurtE, @msj513, @MorganS - You guys really are on it. It is fascinating to me to see what you are doing with this display controller. I have been following what you are doing and testing it on my...
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    To be honest I have not. It is very readable with...

    To be honest I have not. It is very readable with all my lights on including the maglite hanging over it in my little cave but I have never had it exposed outside in the sunlight.
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    Yep. Me to. I think the display draws to much...

    Yep. Me to. I think the display draws to much current for the Teensy to supply. I have never actually measured it but I know that with using the USB host port it's not enough. Again I think that is...
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    I had the same problem. In setup: //I'm...

    I had the same problem. In setup:

    //I'm guessing most copies of this display are using external PWM
    //backlight control instead of the internal RA8876 PWM.
    //Connect a Teensy pin to pin 14...
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    Nice work. And it is a start. This display...

    Nice work. And it is a start. This display controller and the RA8875 are not easy to work with.One of the things that I remember Sumotoy was working on with his RA8875 display driver was bit mapped...
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    @All - I have the PSRAM chip working. It wasn't...

    @All - I have the PSRAM chip working. It wasn't my soldering or a ruined chip:)

    I could not figure out why the one sketch 'teensy41_extram.ino' appeared to be working and...
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    Unfortunately it appears to not be working. I...

    Unfortunately it appears to not be working. I guess I will have to pop that chip off and try again. I will check the solder connections again with my magnifying glass first. I did check for shorts...
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    Experiments With Soldering Memory Chips To Teensy 4.1 Board

    @All - Teensy 4.1 Arduino 1.8.12 TD 1.52.

    Just made an attempt at soldering PSRAM chip to one of my T4.1 boards. 2 hours later I think I have it done without error (I hope). Tried using tape to...
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    What versions of Arduino and Teensyduino are you...

    What versions of Arduino and Teensyduino are you using? There is is no 'Tripple USB' in the 'USB Type' part of the Tools menu. I think @mjs513 was referring to 'Triple Serial' in the 'USB Type' part...
  42. @KurtE, @Frank B - I have spent today...

    @KurtE, @Frank B - I have spent today understanding how EventResponder works using SPI.* and @KurtE test sketch. I think I have a fairly good understanding of how I can use it with MSC. In one...
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    Hi beumerjm, I put in a weekend working on...

    Hi beumerjm,

    I put in a weekend working on this. The RA8876 is going to be difficult to to implement full rotation with text. It seems to be geared more towards graphic rotation than text screen...
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    A quick question. What are the memory...

    A quick question. What are the memory requirements?

    Edit: I think I found what makes uClinux possible on the i.MX RT1060 EVK evaluation board:

    Processor
    MIMXRT1062DVL6A processor
    Memory

    ...
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    A quick question. What are the memory...

    A quick question. What are the memory requirements?
  46. Thanks - I think that may have been where I have...

    Thanks - I think that may have been where I have seen it. In any event (excuse the PUN) I just want to trigger transfers in the background until all transfers are complete up to FIFO size.
  47. Need examples of how to use eventResponder properly

    I have been working with MSC trying to queue or FIFO data reads and writes. I finally have a simple circular FIFO system setup that can FIFO data reads and writes. But I need a non-blocking way to...
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    Don't be sorry. I know you have been very busy...

    Don't be sorry. I know you have been very busy with the T4.1 psram and flash drivers. I have been lurking and watching:) In fact, I just ordered my first two production T4.1's and a few psram chips...
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    Nice work. Just updated to TD1.52 and updated...

    Nice work. Just updated to TD1.52 and updated RA8876-redo. It works well. For some reason I had to use

    digitalWrite(BACKLITE, HIGH);
    to get it to work.
    My display does not seem to work with
    ...
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    I was getting ready to order another 10.1"'...

    I was getting ready to order another 10.1"' display with a capacative touch from BuyDisplay but knowing you have been waiting a month now for it to arrive kinda spooks me. Mine have always arrived in...
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