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  1. So If I understand you correctly if I am using...

    So If I understand you correctly if I am using the hardware SPI connections then the new code will not change the upload speed with my teensy 3.2 and adafruit screen. it is still more thna twice as...
  2. I found with my teensy 3.2 and a 1.8 inch...

    I found with my teensy 3.2 and a 1.8 inch adafruit ST7735 screen 160x128 a bitmap loaded in 500ms using the spiftfbitmap example.If I overclocked the processor to 120mhz it loaded in 448 ms.Did you...
  3. @bobonion, can you post your coding to make this...

    @bobonion,
    can you post your coding to make this wortk.I am testing the speed with which different microcontroller can display a bitmap image.I am new to Teensys.I got it to work on a Teensy 3.2,...
  4. There is an error in the coding for spitftfbitmap...

    There is an error in the coding for spitftfbitmap when the colors are decoded. I changed the r g b order in the following lines. It originally had it as b g r .Switching it to r g b fixed the...
  5. any idea why the red pixesl are not displaying?

    any idea why the red pixesl are not displaying?
  6. So I am looking at the imnge and for some reason...

    So I am looking at the imnge and for some reason the red pixels are not beign displayed properly.I tried this with 2 different Adafruit boards.I am using the spitbitmap sketch from github, but the...
  7. @KurtE Thank you for all of your help got the...

    @KurtE Thank you for all of your help got the tft working great. I really appreciate the time you guys took to help.

    Carl
  8. @Kurte I also have the same tft as you used in...

    @Kurte I also have the same tft as you used in your last example.Can you list the pinouts.This screen has some weird pins like SDA.Thanks
    Carl
  9. I got it to wrk.All I did was go to github and...

    I got it to wrk.All I did was go to github and copy the spitftbitmap sketch there and paste it into Arduino IDE.Now I get the parrot image to upload.The upload spped I am getting is aobut 530ms.I...
  10. It is an adafruit display .it is this one ...

    It is an adafruit display .it is this one

    https://www.adafruit.com/product/358?gclid=Cj0KCQjw6PD3BRDPARIsAN8pHuHtcyi-0P-jwgmxvdf28WXsZCy1PAQUn_hpRkneyVsC0LOO080KPrgaAvVTEALw_wcB

    The same wires...
  11. Still not working.The wiring is fine.The bmp is...

    Still not working.The wiring is fine.The bmp is fine.I used a new 16bg microSD card and the .bmp loads up onto my pc and the serial monitor shows the teensy is reading the card.I did put a 10K...
  12. Thanks everyone.I am pretty sure my wiring is...

    Thanks everyone.I am pretty sure my wiring is fine.I will try a different SD card. I am testing the speed at which different microcontrollers can send a bmp to the tft to display an image. I have an...
  13. oh this is driving me nuts.Can some help by...

    oh this is driving me nuts.Can some help by showing me the pin connections for this sketch.I cant figure out what I am doing wrong.I keep geting the unable to access sd card error.The file is fine>I...
  14. OK thanks so it mmust be a wiring error on my...

    OK thanks so it mmust be a wiring error on my part then.I will check the pins
  15. OK thanks.I will check my wiring.

    OK thanks.I will check my wiring.
  16. Sorry. I didnt realize I could load the whole...

    Sorry. I didnt realize I could load the whole folder as a zip file.

    For others with the same problem I found that running the arduino.debug solved my issue.I found this confusing initially, but...
  17. yes these are all part of one sketch.it is a very...

    yes these are all part of one sketch.it is a very complex program and the separate files are all inculed in the sketch. I will try a simpler program.This particular sketch is the one I really need to...
  18. Sorry running this on an alienware r5 PC with...

    Sorry running this on an alienware r5 PC with Windows 10.The only thing that has changed recently is the teensy upload.before that this sketch compiled with no errors
  19. the rest of the files and the error log from the...

    the rest of the files and the error log from the compiler
  20. here is the sketch.There are 12 files so it is...

    here is the sketch.There are 12 files so it is split into 2 uploads
  21. yes I made sure the IDE was switched back to the...

    yes I made sure the IDE was switched back to the UNO.Does the teensyduino chang ethe programmer setting in the Arduino IDE? I get a ton of compile errors on files that have compiled with zero errors...
  22. Arduino IDE not working after loading teensyduino

    So I recently loaded teensyduino onto my PC. I have a bunch of arduino sketches that previously worked fine.Since uploading the teensyduino many of my arduino Uno sketches not wont compile.I keep...
  23. I already have the parrot.bmp file loaded onto a...

    I already have the parrot.bmp file loaded onto a microSD card and it is inserted into the tft.I am testing the bmp upload speed for different microcontrollers .it works fine with an arduino UNO and...
  24. I am trying to do the same as the OP. I am...

    I am trying to do the same as the OP. I am getting an error message "unable to read file "parrot.bmp".I am using a teensy 3.2 wired up exactly as the OP and I used the st7735_t3 exampla library. The...
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