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  • KurtE's Avatar
    Today, 11:08 PM
    I am looking to update the ST77xx code to allow the callbacks. But it looks like this still has my older variety of updateScreenAsync code for the IMXRT. Earlier on I was frustrated, with the using of memory from...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 09:31 PM
    Thanks @mjs513 Or do one or both of us need to integrate in code with ST7735_t3? Will take a quick look. Thinking of ILI9341, has anyone purchased the Sparkfun Input and display Carrier board? ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 09:12 PM
    Just an FYI - I just pushed up a branch with this code, that works pretty well with the ILI9341 display. (Don't have the calls in ST7735 ... Yet). Pushed up a PR, so people can play... May want to update FlexIO code...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 06:05 PM
    Note: I am doing some outside nice day activities, but in the process now of adding a Video mode... That is I am setting up to do DMA, plus turn on the Async updates in continuous mode, with callbacks (So far only...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 03:04 PM
    @Paul - There appears to be an issue in the imxrt.h file... Not specific to MicroMod. Not sure best way to fix as associated with the GPIO structures... That is we have: // 12.5.1: page 961 typedef struct { ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 02:21 PM
    Hi Mike, yep as I mentioned in the commit - it sort of walks through the screen a couple of times and then settles. Will investigate. Right now playing with speeding up the VSYNC interrupt to see if that helps. ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 01:29 PM
    @mjs513 I am creating another branch working on DMA stuff (later for PR)... Looks like made similar changes to what you did since then in DMA callback in sketch (last use of that buffer)... Missed when I setup the...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 12:43 PM
    Just an FYI- These days mostly avoid these issues of compiling for wrong board, as mostly work/build within sublime text and most of the time now using projects. So for example in the test3 test directory I now have a...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 12:29 PM
    @mjs513 Not a problem... Question, as I start testing a couple of the ideas from yesterday for continuous DMA, should I work with testv2 or move on to testv3? Also question to self (and maybe @Paul), currently my...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 12:16 PM
    Morning all, Not fully awake yet, nor had coffee, We need to go through and maybe remove several of those buffers. Especially the uint16_t one that may not be used anymore as we don't convert from 8 bits to 16...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 01:49 AM
    :D looks like you beat me to it! :D At times still wonder if we should cleanup something like it, sort of like DMAChannel such that sketches who just want to use something like an extra serial TX port can use it...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 01:46 AM
    @Paul - Taking a quick look through your FlexIO configuration and DMA. It is kooks like Greek to me :D The first thing I wonder and may try. It looks like you are using Shifter 3? Then I believe you need to...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 01:30 AM
    :D - Yep - decided to go ahead and merge it in as it works better than before and wanted to do it before it became harder to merge.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Today, 01:05 AM
    That branch relies on my USBHost_t36 library updates. Which is still in waiting on a Pull Request back to the main one. It is off of my Fork/Branch: https://github.com/KurtE/USBHost_t36/tree/MSC_read_sectors_cb
    7 replies | 162 view(s)
  • KurtE's Avatar
    Today, 01:03 AM
    @mjs513, I see a few different options: a) don't disable the DMA... In theory if I am totally in sink, the next DMA operation (when PCLK) triggers should be at the start of the next frame. May try this to see how...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 11:39 PM
    It is in my library I was working on long ago... Maybe to integrate some parts at some point. https://github.com/KurtE/FlexIO_t4 I believe it is in the flexSerial.cpp
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 11:37 PM
    Playing a little more, I brought over my Frame info function to get an idea of what maybe is different... Pushed up to my dma_merge_fixes. Here is information printed when SPARKFUN: converged! Reading frame...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 10:19 PM
    Paul, I will read more of your comments in a bit... Other distractions going on. With VSync - I was wondering if I was starting too late, or maybe VSync interrupt not being serviced fast enough at times. I am...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 09:52 PM
    @mjs513 sorry I have been a bit distracted today. Still hacking DMA... Pushed up branch dma_merge_fixes which updated the DMA code not to hang. Plus added a command 'D' which does like 'd' except displays only one...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 02:21 PM
    @all just pushed the WIP stuff for DMA up to new branch dma_full_sensor Still not fully working with the full frame 324x244 things are out of sync... Will play a little more, will pull most out of main branch. ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 01:37 PM
    :o ;) - That way I can pack up my bags and go home :D Will stash my changes in holding area and probably expunge. Edit: Forgot to mention, it is working on my ILI9341...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 01:00 PM
    Maybe Reset Pin? I will switch back over.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 12:59 PM
    Morning All, Will have to play... I did/do have DMA with FlexIO when making a Serial port, for doing RX in the background. May have to compare. Also once FlexIO is working wonder if we/I should pull out the...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    Yesterday, 12:39 AM
    I am playing with the DMA code some more. I put in new command 'f' - read in one frame using DMA and then output it... It verified that the data in the frame is not coming back correctly. So digging some more.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 09:52 PM
    @mjs513 yes probably the same, simply update some of the names and the like I pushed the changes up to github in my char_bounds branch, which is now part of the current Pull request back to Paul:...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 09:34 PM
    I have a version that builds with the writeRect8BPP (as well as 4 2 1 and N) So may need to grab adafruit display and try it.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 09:09 PM
    Afternoon all (I think), Been outside playing (Planting Peas...) I have not fully resolved the DMA stuff yet. FYI - I pushed up a WIP of my FlexIO test code... Will test out some of my Serial drivers on...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 07:01 PM
    Thanks, was wondering if you somehow hooked up using the board you showed in the post: https://forum.pjrc.com/threads/66771-MicroMod-Beta-Testing?p=276171&viewfull=1#post276171 that you tried with Teensy 4.1 ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 05:48 PM
    @Paul - looks like you are making good progress with it. Does your wiring do anything special? Or did your board just breakout the pins of the ribbon? @mjs513 not much progress yet with DMA... But did do an...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 04:14 PM
    @mjs513 - you might push up what you have, either in main or some temporary branch and I will take a look. Could be several things like: maybe I am not responding quick enough for the VSYNC to turn on the DMA. ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 02:49 PM
    With the HiLow test, I don't see you actually trying to run a probe from either 3.3v or GND depending on which way, and touch other side to a pin. Note: you need to hit enter to change modes. For example I ran it...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-11-2021, 01:37 PM
    @mjs513 - I never went through to see how many rows we ignored. Will be obvious when I can hook up LA to it... Or could write some extra code, probably like you did. I did find out about the number of columns, by...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-11-2021, 01:15 PM
    Sorry to hear that. Again I would still be tempted to maybe post a picture of it, and probably double/triple check wiring. If it were me, I would probably run something like what I call the HiLow test sketch. I...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-11-2021, 01:02 PM
    You would need to edit the section that looks like: while (sd.exists(fileName)) { if (fileName != '9') { fileName++; } else if (fileName != '9') { fileName = '0'; fileName++; }...
    2 replies | 63 view(s)
  • KurtE's Avatar
    04-10-2021, 11:23 PM
    Good question/point! As mentioned by Frank, he did increase the refresh rate to a higher speed. As I mentioned in the previous post, the question is how much time to take to polish some of this stuff. If the idea...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 10:08 PM
    Hi Paul, With the DMA stuff I found I needed to ignore 4 pixel clocks per HSYNC. I do it at the end of the row, not sure if best to split? Or not. Keep meaning to update my internal FlexIO library to work with...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 08:31 PM
    I know typically can not push it much especially over jumper wires. If we really need to get it faster... We probably need a setup where camera and display are plugged in. But not sure at this point how far to...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 07:16 PM
    @mjs513 - Those values appear to work nicely. Wonder if it is the DMA or the update to the screen or??? That is can the ILI9341 display display 60 full frames per second? That is assuming 0 overhead each frame...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 05:27 PM
    Sorrry, I am not sure I can give you a complete list of projects, that use the USB Host, but off the top of my head here are a few devices and the like that we have code support for: Simple HID (Human Interface...
    1 replies | 72 view(s)
  • KurtE's Avatar
    04-10-2021, 04:58 PM
    Hopefully Paul or someone who uses Linux and Makefiles a lot can give you a decent answer. If I were wanting to do this, I would probably tend to have sort of recursive makefiles. That is for each library and core...
    7 replies | 184 view(s)
  • KurtE's Avatar
    04-10-2021, 04:45 PM
    Sort of a random question/observation, not just tied to MM but all T4.x... How best to put infrequently used tables with stings into flash memory so it does not eat up ITCM space.... I wanted a table of Register...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 04:32 PM
    @mjs513 - I pushed the current stuff as a PR so you can play along also.... Also forgot to mention, made the build with SerialUSB1 optional, if you use the command that needs USB1 it will print an error message if...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 02:46 PM
    Good morning again, Playing with sketch in new branch: dma_frame_8bit, where I removed the conversion from 8 bits to 565 in the DMA code and instead returned the 8 bit frame data, which to display you do the same...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 01:35 PM
    Namespace makes sense... MMODPIN::D0 or whatever your namespace is called would make it convenient for C++. There may still be issues for users like: Serial2 is actually on pins marked like I2S SDO I2S SDI...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-10-2021, 01:08 PM
    Morning all, Looks like all are still having fun. Wondering with my DMA stuff, for the heck of it, I converted the one byte data into 565 format like @mjs513 code was doing external for single frame. Wondering if...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 09:08 PM
    OK I pushed up a PR to you. Still not 100% but at least it is showing signs of seeing full DMA image. We may still want to combine buffers. Like you have that new double one. I have double as well, although one of...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 08:31 PM
    I have a DMA version that is actually showing the images, Right now try to rebase, hopefully not totally screw up)... Made copy before trying. Note it builds again, I had several conflicts, but see several warnings,...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 07:24 PM
    Wonder if maybe there should be a different mode? And/Or simply remove the grayscale test?
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 07:22 PM
    @pretty cool, sure does look like it would make things easier to debug!
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 04:58 PM
    @mjs513 - I was about to edit my response, and noticed you had edited yours. I was going to mention, that you might be able to use the other way, if you do something like SD.sdfs.open(...) I think you can then pass...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 03:36 PM
    @mjs513 - Does SD.open take all of those flags? these days?
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 01:45 PM
    Sorry I have not played with the makefiles in a very long time... But one key thing is to make sure you have the right USB type selected. That is in the makefile you pointed to you see: OPTIONS = -DF_CPU=600000000...
    7 replies | 184 view(s)
  • KurtE's Avatar
    04-09-2021, 01:19 PM
    Sorry I am not really sure what you are asking here? Or what your setup is or the like. Or see any of your code or ... Or what is working for you and what is not. Example is the Linux your main PC that you wish...
    7 replies | 184 view(s)
  • KurtE's Avatar
    04-09-2021, 12:56 PM
    Thanks, I have been playing with this, and it does shrink down the number of stuff going into dma. I still am getting a few at start and the like that do not have the HSYNC bit set. Sort of had this with OV7670...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-09-2021, 12:51 AM
    Often times if the display works sometimes and not others and/or different libraries, I would be tempted to see what SPI speed they are outputting at. And then maybe lower the speed a bit and see if that helps. ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 09:28 PM
    Afternoon/evening all - Been playing some, @mjs513 I pushed up a DMA branch on a fork... Not working yet, but it does get some stuff to screen. I know one issue is my current DMA code was setup for the other camera...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 06:55 PM
    FYI - I have mine currently setup with ILI9341 (_t3n) library so it should work fine for you. I would not suggest ILI9488 yet as lots of memory used don't have PSRAM so can not run a full Frame buffer so everything...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 05:11 PM
    It worked: picture going up from desk... Note: It took a couple of attempts to make sure I got all of the jumper wires correct, so I hacked your sketch to startup sort of like my other with, I defined more colors...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 03:19 PM
    @mjs513 in the process of setting up for that camera on the Machine learning... Brought down you updated version, plus @defragsters... May grab an ILI9341 display.. I noticed he used _t3 and not _t3n so can not use...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 03:11 PM
    Good point. I was also going to suggest that he double check his wiring, plus not knowing which devices he has, check to make there is some Pull UP resistors. on the pins. And maybe post photo of setup. Maybe the...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-08-2021, 02:10 PM
    Morning all, I have not tried it yet with ILI... Was playing with ST7789 as @mjs513 was using the ST7... and it was convenient to use the Adafruit display as I also wanted SD card on pin 10, so just took one extra...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-08-2021, 12:41 PM
    Wire1 works just fine on T4.1... Here is a test setup that Paul setup earlier, where we can choose several devices and which Wire buss they are on. Here is a Wire scanner program version that I have, that does all...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-07-2021, 10:55 PM
    @mjs513 Looking like progress! :D Today I am having a lower productivity day with this. I am playing with the OV7670 DMA input. Having some progress, finding out that the ST7735 code may have some issues or...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 08:30 PM
    Note with the OV7670 and test code, after it receives the bytes, it needed to swap the bytes for each pixel... Not sure about this one... Also again maybe it is my jumper cords or the OV76 or... but the VSync signal...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 05:32 PM
    Different hardware Wire versus SPI and yes lots of libraries do not support specifying which bus. In your above case not really using library... For the scanner there if you wish to use that code just change...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-07-2021, 05:04 PM
    Quick FYI - I have issued PR to Adafruit, will see how well this one goes through. https://github.com/adafruit/Adafruit_MAX31856/pull/28
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-07-2021, 04:37 PM
    Know the feeling, but with the Adafruit board just needed one extra one ;) Starting to update the DMA code in that library to the right pins, ... Once that looks reasonable, then may try something completely...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 03:56 PM
    I think we cross posted... Pushed up branch with those functions. At some point soon, may switch to ILI9341, but started with Adafruit board as I also have the SD card setup for MTP, MSC... Paul, I am...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 02:28 PM
    Morning again, Yeah I probably should go back to using ILI9341 library on it... But as you were doing ST... I hooked up ST and starting adding support for it. I have version of ST7735_t3 with the subrect stuff...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 01:49 PM
    Morning all, I have not ordered one of those yet, especially since it is easier to debug using other OV... camera hooked up to external pins. Looks like other options to order those, like ebay:...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 01:37 PM
    Yes it looks like Adafruit has not updated their AD31856 library... Would not be hard. Someone needs to make the same changes I made for AD31855 library, which is trivial. That is: change their header file:...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-07-2021, 04:02 AM
    I wonder if their camera connector was setup for ov7670 like https://smile.amazon.com/Quickbuying-Camera-Module-OV7670-2-5V-3-0V/dp/B07H3QXZH9/ The other sparkfun board that mentions the camera......
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-07-2021, 03:10 AM
    Sounds like a pain. I just pushed up my changes to OV7670 for reading parallel... Still not 100% correct, but fixed the sync to the start of frame... https://github.com/KurtE/Arduino_OV767X/tree/teensy_micromod ...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 07:43 PM
    @Paul @mjs... I am playing now with OV7670 and I know I ran into this also earlier where the VSYNC line is glitchy... If I turn on the glitch filter in LA it does not show it, but turned off I do... I think I need...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 04:59 PM
    @defragster I am guessing, that yes if you went to USB-C you would probably need/want to change what the USB Host power circuit might be. That is I think the T4.1 and probably this one is using...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 02:58 PM
    @Paul - Not sure if you want to pick this up soon or not... But there is a new update to: https://github.com/greiman/SdFat-beta It now supports UTF-8 filenames... Plus he update the configuration file where it...
    78 replies | 5212 view(s)
  • KurtE's Avatar
    04-06-2021, 02:51 PM
    @Paul - looks good. For my own debug stuff I often like the two USB Host pins with spots that I can solder in pins... Makes it easier to hook up LA to see what new devices are doing.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 02:46 PM
    Sorry, I am probably not much help here. I don't see anywhere that the attributes are exported that way or ways to control it. But I am looking at it more from using it with other things like MTP and/or MSC type stuff...
    3 replies | 90 view(s)
  • KurtE's Avatar
    04-06-2021, 02:12 PM
    Quick update: Pushed up MTP change to define SD_DAT3 for Micromod, which is same pin as T4. I don't have a carrier board setup to test to see if that part works or not.
    475 replies | 5733 view(s)
  • KurtE's Avatar
    04-06-2021, 02:10 PM
    I should mention, that I had sort of dropped working on the OV7670 code that was GPIO based and was earlier then spending more times on the CSI version for the T4.1... So may also want to look back at the CSI code to...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 01:57 PM
    @mjs513 Good morning to you as well. I think my clock was doing OK like colors are wrong. I probably need/want to solder on male pins on the outside of the ATP to make it easier to hookup logic analyzer and then I can...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 01:37 PM
    Paul, I assume you have seen all of their stuff on Sparkfun, like the M.2 connectors: https://www.sparkfun.com/products/16549 With their datasheet...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-06-2021, 01:17 PM
    Dito, hard to help without more details. Like which teensy... But Assuming 4.1 by title of thread. Pin numbers should work for T4 or T4.1... This has been talked about in a couple of threads including:...
    28 replies | 1106 view(s)
  • KurtE's Avatar
    04-06-2021, 12:58 PM
    Morning all, Most of the SD cards stuff use the simple if it begins it adds it to the list... For the SDIO, I have code in place like: if(cs == BUILTIN_SDCARD) { ...
    475 replies | 5733 view(s)
  • KurtE's Avatar
    04-06-2021, 01:42 AM
    @mjs513 and @wwatson - I second what @mjs513 said... As for the RED, sometimes I think this is when the SD card is not ready or not inserted... I am sort of torn on what to do with some of these drives when they...
    475 replies | 5733 view(s)
  • KurtE's Avatar
    04-06-2021, 01:35 AM
    This afternoon I started playing with the ATP board with the MicroMod... I first hooked up an ST7735 display along with its SD card reader. Got that to work, with the non standard pins. Left pin 10 for CD so it would...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-05-2021, 07:41 PM
    I just pushed up updates to the MTP and MSC github projects, that slightly changed the PFSLib formatter method to return a bool for success and to default most of parameters. You just need to pass in PFSVolume object....
    475 replies | 5733 view(s)
  • KurtE's Avatar
    04-05-2021, 06:42 PM
    Just looked that the Big display Carrier board does use the SDIO pins :D Don't have one... Note: their schematic and parts don't show anything for insert pin connection... So probably not.
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-05-2021, 06:09 PM
    Side note/question: I am 99% sure I know the answer, but that I would ask. Is there a known way to detect which host board your MM board is plugged into... I am almost certain: NO. Several years ago, I know I...
    460 replies | 6133 view(s)
  • KurtE's Avatar
    04-05-2021, 06:06 PM
    @all sounds good. @mjs513 yes cross posted... I am about to switch back over to ATP board to start playing. Will cable in SDCard (Don't have the SDIO version yet. Could adapt something.. Working on MTP stuff,...
    460 replies | 6133 view(s)
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