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  • KurtE's Avatar
    Yesterday, 08:56 PM
    Hi Frank, It would be great to take a look at your code... I have some stuff started, but not yet tested. My library can (or at least used to, but I have not tested it out for awhile), do autorefresh... That...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 06:14 PM
    @mjs513 - Glad you got it working! I should have done like the last posting and put in links to each of the github projects/forks... Hopefully @Paul will pick up the SPI PR as well as the CORES PR for SPI soon... ...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 05:00 PM
    Which SPI fork did you sync up to? It should be: https://github.com/KurtE/SPI/tree/T4-SerialFlash-fix And if anyone else wishes to try it out: https://github.com/KurtE/SPIN/tree/T4_WIP and...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 04:02 PM
    I just put this hack into both libraries and I think things are working pretty well now... I also enabled some of the Frame buffer code in this library, where you can turn on frame buffer, do all writes to it and then...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 03:17 PM
    Good Morning Mike, Yep - it is still a bit flaky... I think it still has to do with my CS pin handling. What I saw the hardware CS pin used for DC looked pretty solid. I think I am going to try another hack for...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 02:41 PM
    HI Frank might help to see what you are doing? Do you have some example code showing what you are doing? Are you trying to do standard polled input and output or are you trying to do use DMA? Again I am still...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 02:29 PM
    @mjs513 - On my test code - I have CS=9, DC=10, reset=8 and then the normal 11-13 for other SPI stuff... Currently It is on wireless breadboard as the breakout board does not have all of the signals... As...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    Yesterday, 03:05 AM
    Making some progress with my ili9341_t3n/SPIN library implementations :D Needed to clear out some of the states (W1C in the SR register). Appears to be working better. Still needs work. Also need to enable...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-15-2019, 11:01 PM
    @Frank B - SPI - No gaps.... As I mentioned in some previous post (getting hard to keep track of things here) Transfer delays: a couple of things. A certain amount of the time is taken up by the simple...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-15-2019, 03:58 PM
    Yep - Still WIP - But I pushed up T4_WIP branches for my SPIN and ili9341_t3n github projects... Will be busy with some other stuff this morning... Will play more later. Also want to move some of my CS pin hacks...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-15-2019, 02:19 PM
    Yesterday I was mostly busy with some other stuff, but did some experimenting on my ili9341_t3n library and SPIN... So far I am not having any luck updating the SPI->TCR register on the fly and get the results...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-14-2019, 03:42 PM
    Hi Frank, current one is posted in #861 - But Paul's version is probably close enough... https://github.com/KurtE/SPI/tree/T4-SerialFlash-fix This last change was to make it such that SerialFlash can build.
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-14-2019, 03:04 PM
    @Frank B and @WMXZ - SPI Timings... IN some ways I slowed down SPI Transfers. That is I put in a delay between transfers. That is look at the SPISettings at the compute of the clock.. There is currently a setting:...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-14-2019, 01:57 PM
    ILI9341_t3 or ILI9341_t3n and SPIN? and/or maybe flex_spi? Currently trying to decide which thing to play with next... As I mentioned yesterday I have some ideas on how maybe to make ili9341_t3 to hopefully work...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 09:16 PM
    SerialFlash issue with SPI... I just checked in a change that at least makes it compile on my machine... Uses port() and hardware() functions like T3.x... I issued PR: https://github.com/PaulStoffregen/SPI/pull/42...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 07:21 PM
    Same here ;) Note: with c++ I am not sure sometimes on how these operators should work with things passed by reference... That is: Serial flash has: static SPIClass& SPIPORT = SPI;
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 04:54 PM
    @Frank B (I think) - I think I remember you posting (several pages ago) that there was an issue with how some Hardware Serial was working with parity... My quick look did not find the posting, but... So did another...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 03:13 PM
    Thanks, gives me a few more hints. Trying to add in the SPI.transfer(tx, rx, cnt, event) API for T4... Will be interesting to see how all of these things interact. The structures do look similar to T3.x stuff. So...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 02:52 PM
    As was mentioned earlier in this thread. Most of the speed gains in this library were gained by the ability of the T3.6 to encode the state of the DC pin (and to smaller extent the CS) pin into the FIFO queue for the...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-13-2019, 02:21 PM
    Sorry I did not get a chance to respond much up here yesterday. Was having fun pulling down some drywall in our shop building to figure out why... Still more to go... SPI Speeds - @Paul pulled in the SPI library...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-12-2019, 03:10 PM
    And for what it is worth... I have tried SPI at 30mhz... It appears like it is running at about 25... Here is test run with 30mhz and LSBFIRST...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-12-2019, 03:04 PM
    @mjs513... I just added some more support into SPI library. So the clock polarity and mode should be handled in the settings. Also put in calls for setBitOrder and setDataMode. Note The setData mode does not do...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-12-2019, 02:16 AM
    What I did, and figured out that my T4 was lifting off, was start off the program and have T1 connected to R1, Should do the send/receive no errors... Assuming that works hook up T1->R2, T2->R1 see if it still works,...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-12-2019, 12:50 AM
    Currently T1->r2, t2->R3, t3->r5, t5->r6, t6->r7, t7->R8, T8->R1 Note I skipped Serial4 Serial4 I have hooked up to PC with USB to Serial adapter... Currently Adafruit CP2104 version...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 11:50 PM
    @Frank and @defragster - Here is another daisy chain Serial test that does not use SerialEvent... It does non-blocking outputs the same way that apps would normally do it, by only outputting as much at a time as...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 09:23 PM
    @Paul - No Hurry or the like, I can probably figure out most of this. But with the new shiny breakout board, was wondering a few things, like: Serial port area: You have 6 pins per Serial port, With RX/TX/GND -...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 09:09 PM
    Hi Frank, Actually at this point, not using the Event Responder, just the Arduino SerialEvent code (and our yield). Obviously one way to resolve this is to make the buffers bigger. Note: this implementation,...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 08:35 PM
    Couple of interesting things. If you do something like: Serial1.print("012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\n"); ...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 05:44 PM
    @Paul - Sorry to hear about the employee problems. Luckily before I retired, I only had to fire a few people. It was never easy, and I worked for a much larger company. I cann't imagine having to do it in a 4 person...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 05:37 PM
    Thanks, missed that one... Yep same changes I made
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 04:18 PM
    @Frank and @defragster (and others), I thought I would test some of the Serial buffering stuff to try to see maybe what is going on.... So I did a modified version of your program where you did three Serial1 outputs...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 02:37 PM
    Note: I still have two PRs not pulled in yet. One in core to do the beginnings of AVR emulation and one in SPI for some functionality, plus mainly setup to not be hard coded on the actual hardware (configured using...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-11-2019, 02:15 PM
    I have a fix for digitalWriteFast... PR - https://github.com/PaulStoffregen/cores/pull/326 Ooops looks like xxxajk - got one in as well a few minutes before... Mine also had simple addition of Serial7 and...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-10-2019, 08:05 PM
    Looks like time for some more testing... Right now playing with Dynamixel servos. hooked up to Serial1 through a Robotis Open RS485 expansion board (also does TTL). It has the hardware setup for TX, RX, Direction...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-10-2019, 06:28 PM
    So you are saying that I should not create an SPI1 object, as it is likely to not be in final product... It looked like it was probably using pins: 0, 1, 26, 27
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-10-2019, 02:10 PM
    Yes - I believe you are right! When I updated the above sketch to: void setup() { while (!Serial && millis() < 4000); Serial.begin(115200); Serial1.begin(115200); } int counter; char buffer;
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-10-2019, 01:36 PM
    Hi @defragster, - Works for me... Note: you mentioned String.cpp... Maybe typo or wrong file? I copied the wstring.cpp that is in the cores directory. I simply copied it from the teensy3 directory to the teensy4...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-10-2019, 02:47 AM
    @defragster, @Paul - Yes there are issues where some things with String objects don't link. What I have tried on my machine is to copy: wstring.cpp from the teeny3 directory into the teensy4 directory and now it...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-09-2019, 08:20 PM
    Have you taken a look at this page on PJRC? https://www.pjrc.com/teensy/loader_cli.html
    9 replies | 158 view(s)
  • KurtE's Avatar
    01-09-2019, 06:26 PM
    Thanks @defragster - I thought I handled the not return value ones... Will double check, probably As for redefine PROGMEM, saw that as well, but not sure what to do as it is not something we changed... Probably...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-09-2019, 03:26 PM
    I did a quick and dirty update of the avr_emulation.h file to add in the SPI registers. Note: So far I only have done a real minor part of it. In particular: SPCR - nothing done, all code simply commented out SPSR...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-09-2019, 01:33 PM
    Not sure if this is related to some of these issues. But once yesterday, I had the Arduino IDE (1.8.8 and beta7) Not able to program the T4, nor talk to it. In fact when I tried to compile it said no Teensy Found,...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-08-2019, 11:16 PM
    Looks like the gap timing between transfers still needs some work... Running a quick test program to test some of the different SPI transfers including SPI.transfer16(). I implemented the transfer16, which you can...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-08-2019, 09:22 PM
    Thanks Paul, Will start testing some of the bottom pins when it arrives :D I just checked in my changes to SPI for transfer(buf, retbuf, cnt) I updates the delay between bytes to be half the value computed...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-08-2019, 02:49 PM
    This morning I started playing with reworking the SPI.transfer(buff, rxbuf, cnt). Have a first pass: void SPIClass::transfer(const void * buf, void * retbuf, size_t count) { if (count == 0) return; uint8_t...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-08-2019, 04:03 AM
    Taking a closer look through SPI and thinking of ili9341_t3 like code... I (or we) may need to play around some more. Hopefully tomorrow morning I will have the updated Transfer(buf, retbuf, cnt) version...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-08-2019, 12:31 AM
    Thanks that would be helpful especially if I also try to setup for SPI1 to work as well... Note: in my current SPI PR I have done a second PR with decoupling most of the SPI code from being LPSPI4 specific... Will...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-07-2019, 10:34 PM
    As I mentioned in previous post, doing some more hacking on the SPI library. Things like, trying to remove the hard coded register usages as to allow us to define SPI1... To help with this, I edited the imxrt.h...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-07-2019, 06:42 PM
    Teensyview - I have the hacked up version of their graphictest that does not use String class as I mentioned in other posts. And it is working now... I updated SPI library to have quick and dirty versions of the...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-07-2019, 04:38 PM
    I installed Beta7... As for mappings for which Uart and pins for Serial ports: Here are some comments I put in one of my test programs: //UART6 Serial1 UART4 Serial2 UART2 Serial3 UART3 Serial4 //UART8...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-07-2019, 01:13 AM
    Maybe I should get a default version of Sparkfun library... Mine is hacked up to allow things like multiple displays on same or different SPI busses... Hacked up to get around first error messages mentioned above,...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-07-2019, 12:46 AM
    Thanks @defragster - Hopefully all of the pieces are in place, for a good test of the Serial Events... I have not done anything yet for serialEvent (USB). As I believe a lot of the USB serial code may be updated...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-06-2019, 11:34 PM
    SerialX objects, did PR for .end(), objects split into separate source files, and first pass at serialEventX calls, like mentioned in previous post. Will look into how to use event responder soon, but may first get...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-06-2019, 03:22 PM
    Another sort of generic question: What state to set IO pins when you call some subsystems ::end method Examples: Serial1.end(), SPI.end(), Wire.end() For Teensy 3 - Many of them did something different. Like...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-06-2019, 02:55 PM
    @Paul - I am in the process of splitting up the HardwareSerial objects, such that Serial1, Serial2...Serial8 are in their own source file, along with their buffers, call back functions... So hopefully when we are...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-05-2019, 05:14 PM
    @FrankB - Great work. Would be interesting in seeing it at some point as to play along... I would like to play some with SPI library and if not already done, flesh out more of it. Like transfer(buf, rxbuf, cnt) and...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-05-2019, 04:13 PM
    Thanks for testing! In theory that part should not impact it? That is, the BUFTYPE is configured if you turn on 9 bit writes support. That is the ability to output characters that are 9 bits long (Also...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-05-2019, 03:27 PM
    @Paul - WIll put in PR sometime today... Right now putting in support for different formats. Some support for 9 bit - maybe not all pieces in here yet. Have the RS485 support in. Have some CTS/RTS code in - not...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-05-2019, 02:01 PM
    @Paul - With changes to SerialX code - which way would you like to work? I could issue a PR at any time to pick up current stuff, Could do this when you are ready for making a build.... Or could do it now and keep...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-05-2019, 03:16 AM
    @Paul, My guess is the lines in Wire are wrong... That is if we look at the hardware description... class TwoWire : public Stream { public: // Hardware description struct typedef struct { volatile uint32_t...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-04-2019, 10:59 PM
    I am trying to test some of the Serial3 (UART2) CTS pin, which I believe should be pin 18 (only CTS pin defined), and running into some issues. So did a quick look and see: When I did a query for Searching 3059...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-04-2019, 08:38 PM
    I don't see a memset in the sketch, but my build does give me the same errors... But if I comment out the DMAMEM from the array, the build completes: /*DMAMEM*/ static uint16_t screen;
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-04-2019, 04:52 PM
    Hi ZoidiusInfuser, I have played around with at least three different ways to control these servos using Teensy 3.x boards. a) Simplest - Simply connect up to TX pin of Serial Port. There is a half duplex sort of...
    10 replies | 264 view(s)
  • KurtE's Avatar
    01-04-2019, 02:03 PM
    You might want to take a look at my ili9341_t3n version which supports the DMA buffering mode as well. Although I have used mine more in a different way then you had done with your _dma version in that I did not...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-04-2019, 02:04 AM
    Yep - Sorry I thought I responded earlier, but I guess I never hit the post button.. I have found that my apps that use the USB Serial object does not run without the Serial monitor running. Including things...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 09:38 PM
    The main issue about porting ili9341_t3 is not that there is not a FIFO, but that the fifo does not include information about the desired state of up to 4 Chip select pins, which we use to encode both the CS, but more...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 08:00 PM
    Maybe it is interacting with my changes to HardwareSerial. Also there is/was problem with the SerialX.flush() function, as I was not properly looking at TC status flag. Fixed in my current branch I just pushed up,...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 06:00 PM
    Sounds great: Another generic question maybe already answered? I would like to finish putting in the RS485 support into HardwareSerial. So the question is how to do the digitalWrite HIGH and LOW... Obviously I...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 05:01 PM
    Hardware Serial testing - Loop back test: #define SERIALX Serial2 void setup() { while ( !Serial && millis() < 4000 ) ; pinMode(13, OUTPUT); pinMode(2, OUTPUT); /* pinMode(3, OUTPUT);
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 02:39 PM
    Hardware Serial - Created a PR with current WIP - so you can try it out. At least I have Serial1 working with Loop back test. Lots more work to go! Kurt
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 01:39 PM
    Sorry I have been a bit slow here, hopefully will have a PR today that has some of the HardwareSerial stuff working... Finally got Serial1.read() to work :D So far only in the test program. I need to build some...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-03-2019, 01:55 AM
    I have a Mac setup with the same, and it normally works fine, unless the program on it is crashing...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-02-2019, 10:50 PM
    Actually it has been a long time, since I did anything with RC servos. As mentioned you can configure the library for your servos. Back when I was using RC servos, the majority of the time, I used either an arc32 or...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-02-2019, 10:31 PM
    Most of my files for these controllers are up on my GitHub account. https://github.com/KurtE/Teensy3.1-Breakout-Boards Again they were mostly for my own usage.. So no guarantees. They were done with DipTrace and...
    10 replies | 264 view(s)
  • KurtE's Avatar
    01-02-2019, 03:35 PM
    Hi Zodius, I too was a gluten for punishment back then ;) But I actually liked their assembly language, it was nice and easy to work with... Yes I still have some hexapods sitting around here. I have not done...
    10 replies | 264 view(s)
  • KurtE's Avatar
    01-02-2019, 02:59 PM
    Note: I have not used RC servos for a long long time now. But back then I used to use two different approaches to controlling the servos. The Basic Micro ARC32, which was discontinued a long long time ago)... Or I...
    10 replies | 264 view(s)
  • KurtE's Avatar
    01-02-2019, 02:32 PM
    General question: Wondering about how you are handling setting/clearing bits in registers without bit banding? As M7 chips do not have bit banding. It does appear they have setup some registers to handle this, by...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-01-2019, 10:07 PM
    Hardware Serial: Currently trying to debug Serial.read(). Currently not getting an interrupt when data should arrive on data pin. Not sure yet if my configuration stuff for the LPUART or maybe the IO pin...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-01-2019, 05:29 PM
    Thanks Paul, Hopefully for next beta I will have more serial support ready. Have some stuff in place to start doing reads, but looks like I need to get better understanding of the FIFO stuff and initializing it, which...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-01-2019, 03:45 PM
    Hi Paul, I think this one should do it... That is this one would fault until I made constructor to be const... Also my hardware Serial... This should have the code in place that at the start dumps the variable so...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    01-01-2019, 02:54 PM
    Happy New Year! I now have a version of HardwareSerial that is working with buffering data and using ISR to output :D Not saying it is perfect yet. Right now trying to enable more parts of my branch to get...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-31-2018, 08:31 PM
    Probably another case, like I was running into that the constructor and the like may not be called... Paul mentioned this as regard to my test around #178 and #180. Currently trying to figure out why my changes to...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-31-2018, 05:54 PM
    Thanks Paul, I think you are right. As I mentioned in update to previous message works now with constexpr TestSerial() {} Ok well now back to Hardware Serial
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-31-2018, 05:27 PM
    Follow up to previous post about virtual functions... Sort of weird in that looks like VTABLE not setup for my simple class, but is setup for Serial and Serial1... Current code: class TestSerial : public Stream { ...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-31-2018, 04:43 PM
    Arm Linux - Not me yet... Currently MAC and Windows. Still debugging some stuff, with hangs and crashes. Have copied down some of your updated sources that appears to help a little... But still issue with crash...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-31-2018, 02:50 AM
    Hi Paul, currently my experiments are using single class, like I started awhile ago (about a year) fore 3x... I put link to fork showing my current stuff in the posting...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-30-2018, 10:13 PM
    Right now doing it without other hardware, so can sit watching puppy. But with changing to having own flag and not use digitalRead did not help much... class TestSerial : public Stream { public: ...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-30-2018, 09:28 PM
    Looks like I confirmed there may be an issue with some virtual functions? Here is a quick and dirty sketch, that simple subclass of Stream... class TestSerial : public Stream { public: virtual int...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-30-2018, 06:23 PM
    Trying to debug my Serial output code now... The board is faulting and getting into the fast led flash... I have sprinkled digitalWrite statements to see where... uint16_t loop_counter = 0; void loop() { ...
    958 replies | 20425 view(s)
  • KurtE's Avatar
    12-30-2018, 04:56 PM
    Note I have started playing with some serial port stuff. Trying first to get outputs using ISR
    958 replies | 20425 view(s)
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