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Hi, I did this in my Teensy 4.1 ISFD flightsimulator project in the past.....i used an EVE4 chip as "SPI/RGB Gateway". The EVE4 chip has a kind of opengl language which you control via SPI Interface which is feeded by the Teensy. Performance of the Teensy is outstanding here. It calculates...

Hi, I have aquestion regarding the CAN msg.overrun flag. This seems to be set, when CAN data is overwritten on the rx side, because it is not consumed fast enough. That is okay. But how can i reset this flag to start "fresh" again? Thank you very much Torsten

okay, works now..not sure why... I am happy..

Hi, i am using this great piece of code to get my CAN (FD) application to work.... It works nice with interrupt driven mode, data is readout correctly => nice! I am using the CAN 2.0, no FD When I try "polling" the CAN data it "hangs" and the Teensy boots/resets (i think in the line below...

Sorry, shawn it was not my intention to ignore anyones suggestions here....sorry for this....was faster with trying things and writing here.... Do not be angry with me....

...after some testing i found this works (monitored the changes when the parameter where changed in the IDE)... SPEED := speed=528,opt=o3std => 528Mhz and fastest BOARD = teensy:avr:teensy41:$(SPEED) => So it seems it is possible to add somthing on the --fqbn option ${ARDUINO} compile --fqbn...

Ah, wow thank you, will try.... And what about adding some defines (like this -DTEENSYDUINO=159) to control the #ifdef ?

Hi, i need a little help regarding compiling for Teensy and influencing the given "parameter" e.g. CPU speed. Make is up and running fine arduino-cli is up and running fine I have also installed the Arduino IDE 2.3.3 What i want to do is reducing the CPU clock to 528Mhz or modify other...

Yes you i are right, i did it exactly like in the example in the beginning of this thread. Only i modified it that it fits into my application "statemachine" => when the OTA transfer is initiated i stop all my "other" flowing IP communication streams and change into the OTA state and let it go...

Okay, implemented it and works like a charme with an ethernet connection and the async web service... Thank you very much for this feature! Thank you Torsten

Hi, thank your for this explenation....very good... Will experiment with this...my plan is to update via ethernet..and browser....i think it is the most convinient way...and everyone has a browser and ethernet... Regarding flash or RAM, who decides this? Is this "automatic" dependant of the...

Hi, great that you created this possibility to update a teensy... I have a question: When i am using this method first time i have to use the code you posted here and download it to the teensy, Okay Then i am able to download my application via OTA(OTW), Okay Then the teensy will boot up again...

Hi, I saw that the IMXRT1170 has a MIPI DSI output. Whould be nice to have it exposed, a display is very often needed in applications....and MIPI seems to be the state of the art...RGB and others require a lot of digital lines... Thank you Torsten

Ah...great...thank you Ed....for clarification...:)

Hi Ed, who the hell is this guy?....;-)

Hi, i am not sure, but i had issues with SPI DMA together with the intervalTimer functionality. I send and forget data via SPI DMA from an intervalTimer callback. It worked first, but when i cranked up the interval to around 20ms my application stalled, it seemed to be dependant on the cycle...

Hi, other project..sounds good;-) no problem...you are right that you have to have two things together to happen....but that you hotplug a PoE device is quite common i think...this is the big advantage of this tech.... Thank you very much for your effords an for doing this research... @Paul...

Hi, any news concerning this topic...i am using a PoE solution from Silvertel together with my T4.1... Thank you Torsten

Hi, I have problems with my SPI communication between my Teensy4.1 and a BT818 chip (EVE). I ran the SPI channel on the standard pins 10,11,12 and 13 at a speed of 30 Mhz to the EVE (which is the max value for the EVE, but also with 10 MHz the same problem) Sometimes it seems that the data...

Hi, has anyone a link to a good PoE solution for the Teensy 4. I mean a ready to solder or stack on pcb breakout PoE board with approx. 13 Watts. Thank you Torsten

...ok...thank you...will try.... Torsten

Ah..thank you... So when i am using e.g. attachInterrupt(digitalPinToInterrupt(2), pin_ISR, CHANGE); it will use which interrupt.?..it says on the teensy4 pinning card that all digital pins are interrupt capable...so pin 42 is irq 42? Torsten

Hi, will teensythreads and interrupts work together, or will interrupts via attachInterrupt to a pin ruin the threads schedule? Thank you Torsten

Okay....then the question other way round.... What is the INPUT_PULLUP parameter exactly doing in the teensy...(internal wiring a pullup resistor) ? Is this only for inputs ? Thank you Torsten

Hm....okay.... had the same question..also for CS signals for SPI...or digitalRead switches switching to ground....are there external pullup resistor needed or will the INPUT_PULLUP in the pinMode method do it for you? Thank you Torsten

Hi, I will try this....thank you very much... Torsten

@fab672000, Thank you for your quick answer...yes after thinking about a bit this seems to be possible...but how to 'grep'/consume a semaphore that the thread blocks and then release it again in the irq routine..is there a function to consume a semaphore and then release it again ? Torsten

Hi, is it possible in TeensyThreads to start a thread and suspend it as long an event happens (e.g. interrupt) then process the things needed from the interrupt and then suspended (sleeping) again => so like a blocking/waiting action ? Thank you Torsten

Hi eagleman, thank you for doing and sharing this.... But is it possible that in the library you uploaded the T4.1 is missing? Again thank you Torsten

Great...big thumbs up....thank you Torsten

Hi vjmuzik, thank you very much for doing this nice work.... Is the library able to do multicast ? Thank you Torsten

Hi, I want to use a Cy8C9560A port expander from cypress. I want to talk to it via the i2c lines....it says in the manual that the i2C master has to support i2c clock stretching...not really sure what this is...so my question is if this feature is implemented in the actual teensy wire library...

Hi Paul, thank you for the quick answer...will then wait.... Is there a recommended ethernet magnetics device you can suggest to attach to the ethernet pins? Thank very much Torsten

Hi, not really sure if i missed something on the above topic...The thread for this device is closed with the comment everything is now done/fixed... so i try it here... Due to the fact that i am doing a PCB which aims to use the T4.1, is there a chance to get the final layout and pinout for the...

...all my dreams become true.....ethernet....thumbs up!!! Thank you Torsten

Yes, i saw this thread...the next teensy will then be "the hammer"....

Hi, I read in the fact sheet of the T4 MCU (1060) that the MCU has a pixel pipeline for 2d graphics and a RGB parallel interface... My question is now if/how this is accessable in the actual T4 configuration and how does it work? Thank you Torsten

Exactly, I am doing cockpit devices for flightsimulators....with bare metal programming and connectivity with ethernet...at the moment i am using the SPI solution together with a WIZ IO...but for that i have to "waste" one SPI channel and perhaps, not sure, i have more CPU load for the ethernet...

Hi Paul, glad to hear this...appreciate this very much....sure...there must be some peace of code on the sw side...lets see... Again, great work what you are doing.... Torsten

@vjmuzik It seems that we will never get a native ethernet interface for the teensy...;-) ...but never the less, teensy is great....and it is great to see the future plans for it....

Ah ok... Thank you... Torsten

Ahm, not sure if this is a stupid question....how do i connect this USB2Ethernet adapter to a Teensy? Just plug it into the USB connector of it? Thank you Torsten

Hi KurtE, thank you very much porting this to teensy 4! Torsten

Hi KurtE, Yes it says unknown chip...i thing due to an #ifdef....and i really do not understand what the purpose of this is...so i can't fix it... Thank you for your help... Torsten

Hi, is there any chance that this great library will work together with the teensy 4 ? https://github.com/crteensy/DmaSpi As far i understood with this library you can "deligate" the SPI transfer to a DMA channel and you program can do other things while the data is transferred to the SPI...

Hi, omg....you are great!!! Thank you 1000 Torsten

Hi, i will use it in vacuum of outer space behind the van Allen belt for the next lunar mission (Apollo 18) they need a computer without error 1202 during lunar descent ;-) Thank you for your feedback, i will add some air intake/outtake in my housing..to keep things moderate cool... BTW: With...

Hi, this great piece arrived today….wow...i love it....started with blink etc.. to get a feeling how it works… My endproduct where i want to use it will be "in a box" so i asked myself, due to there is a noticable amout of heat on the chip, is there a heatsink recommended? The T3.6 was cold...

Hi, anyone tried TeensyThreads on a teensy 4? I tried it and get an error that says that IRQ_PIT_CH0 is not declared… TeensyThreads.cpp: In member function int Threads::setMicroTimer(int) TeensyThreads.cpp: 260:46: error: 'IRQ_PIT_CH0' was not declared in this scope int number =...

Ah, Ok thank you for your help... Torsten