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  • defragster's Avatar
    Yesterday, 10:20 AM
    Good to know - I did that in the end when I thought I was ready to merge and saw the pull change. My refined and well tested though not very big change for micros() that was working to have the old and new micros...
    955 replies | 20379 view(s)
  • defragster's Avatar
    Yesterday, 09:30 AM
    @FrankB - look at post #925 - that pull has your name on it and my IDE doesn't like it.
    955 replies | 20379 view(s)
  • defragster's Avatar
    Yesterday, 03:46 AM
    I reverted the local interval timer change last made to no attributes and it compiles :: static void (*funct_table)(void) = {dummy_funct, dummy_funct, dummy_funct, dummy_funct}; I had to rewrite my micros test since...
    955 replies | 20379 view(s)
  • defragster's Avatar
    Yesterday, 03:09 AM
    Undid my few changes - and IntervalTimer.cpp:38:119 still broken - is there something outside of CORES I need to update? <edit> - I reverted my few changes and my system is still broken on this last Merge from Frank...
    955 replies | 20379 view(s)
  • defragster's Avatar
    Yesterday, 02:32 AM
    I had not done an update of my core in some time - I didn't have tempmon code - the init is in a file I touched so to do my code merge I needed to update. With that done I get the dummy error in code I'm not using -...
    955 replies | 20379 view(s)
  • defragster's Avatar
    Yesterday, 01:05 AM
    And tempmon_init broke my build after copying merged files - so I got current core Teensy4 - now I'm stuck on this. Is this a bug in github CORE files or something out of sync on my end?
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-15-2019, 11:55 PM
    @Frank - we cross posted :) The "Leave Interrupts Running version" just completed a uint32_t wrap of microseconds on the clock - passed my testing where out of 4,293,134,314 us up to the WRAP point I tested...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-15-2019, 10:59 PM
    Thanks Mike - I was wondering :) So my current test with disabling interrupts just completed a wrap of us uint32_t. This test runs for 1024 us changes in a row and stores the value into an array when it changes. Then...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-15-2019, 09:31 PM
    @Frank: Was the set_arm_clock(12000000) in the active sketch before upload? So the T4 is not doing a restart after the upload? Is that because USB is offline at 12 MHz? I refined my micros() using ARM_DWT_CYCCNT and...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-15-2019, 09:00 AM
    Going to test tonight to make sure but this seems to be working - I did a Cycle Counter based Micros from systick_ms. For now it has a unique name to allow Verification - code it replaces is below. <edit> problem is...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-14-2019, 09:15 PM
    Nothing in particular - just that that it would rollover and be confusing. I was perhaps conflating it with micros rolling in ~87 secs where it was used for longer as a reference. Also the quick look I gave to the...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-14-2019, 08:22 PM
    That would also be a great fix for ElapsedMicros too as it suffers the same problem and using CycleCounter wraps in under 7.2 seconds with F_CPU==600MHz
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-14-2019, 11:30 AM
    This shows the use of a diode to direct the reverse current to GND instead of the Teensy: circuitdigest.com/microcontroller-projects/arduino-relay-control If I read it right it also shows a transistor in use to...
    5 replies | 89 view(s)
  • defragster's Avatar
    01-14-2019, 11:24 AM
    Is this the kit you got? pjrc.com/store/audio_tutorial_kit.html Either way that page has the tutorial on it.
    2 replies | 47 view(s)
  • defragster's Avatar
    01-14-2019, 11:21 AM
    Given you have boards a quick tie of the GND and 3v3 from T_3.6 would tell for sure if the extra GND or 3v3 path helps - either the center pins - or the handy extra edge pins.
    117 replies | 25720 view(s)
  • defragster's Avatar
    01-14-2019, 10:39 AM
    Those 5 pins are ignorable generally. Indeed the GND and 3v3 pins are just duplicates, and the other 3 special purpose pins are only selectively needed as labelled.
    117 replies | 25720 view(s)
  • defragster's Avatar
    01-14-2019, 10:00 AM
    Your success is good to see - TRS-80 was my first. Bummer the single port wasn't the end of your troubles - but should clean/speed up the byte interface. As far as better buffers - Find the TyCommander thread. Not...
    47 replies | 965 view(s)
  • defragster's Avatar
    01-14-2019, 08:39 AM
    I saw a note recently printing to Serial USB causing a Fault issue? I tested that before post #196] and didn't see it - just updated a test and still not seeing it - with or without .begin() I can get between ~200 to...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-13-2019, 07:28 PM
    Have you checked the Teensy output voltages - there are 'Troubleshooting' posts somewhere about that given it may be physically/electrically unhealthy? The first would be seeing 3.3V on those pins when proper VIN is...
    29 replies | 550 view(s)
  • defragster's Avatar
    01-13-2019, 09:15 AM
    Typically a Teensy Card with the T_3.5 on the back side, or look at the web images it shows the trace to cut when the Teensy is powered externally and USB connection is desired - as noted on all T_3.x and T_LC...
    29 replies | 550 view(s)
  • defragster's Avatar
    01-12-2019, 08:09 PM
    That math looks better Frank - more options at the ~30 MHz sweetspot - and possibilities on the higher end. Nice to have a steady background clock versus on F_CPU or F_BUS - how many htings would change that do feed off...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-12-2019, 09:23 AM
    That sounds like it could be useful for some set of users - it was a visited topic of interest on T_3.x at least once. If the core is going to include a uniform way to handle high and over temp then having uniform a...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-12-2019, 09:12 AM
    Not sure it would relate to general usage but in the Talkie library - .cpp class code - it starts a timer function to push out PWM data for the voice. It was a blocking call as the original AVR code sat and waited for...
    3 replies | 105 view(s)
  • defragster's Avatar
    01-12-2019, 02:42 AM
    The problem is my Jumper of each port looping back to itself - I haven't grabbed the needed wires to chain them along yet - just had an idea for an easy to remove scheme ... but the row to row spacing it not on 0.1"...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-12-2019, 01:29 AM
    Thanks Kurt, Okay that is how I read the open comment yesterday - then I wired 8 serials as loopback with each Tx><Rx and - prepared to edit the code - but that worked with FrankB's code - so I went with it as it was...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-12-2019, 12:33 AM
    Kurt - that example shows answers to some questions I had - passing the &Serial# nicely. Will give it a look. Question - what is the Rx and Tx connect scheme for the ports? I was here with speakers on and my...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 11:18 PM
    Frank - looked at Pull request #14: > Exchanged the one line in :: Update Sd2PinMap.h > Exchanged the file contents for Update Sd2Card.cpp Both in Utility - compiled for T4 and ran against a card with no errors. ...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 10:05 PM
    ... I'll give it a look ... is that PULL self contained?
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 10:04 PM
    Kurt - my eye suggested only the Rx/Tx were pulled over to that pin array - with resistors there just for touch safety keeping the T4 from getting zapped - the rest NOP's? Few top traces where bottom pair missing and...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 09:40 PM
    I thought serialEvent under the IDE would be cool - then I saw it was just overhead outside loop not some magical interrupt. The EventResponder is like that - no magic - sketch doesn't poll for events - but the core...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 08:38 PM
    Yes it should and will block { yes it needs to be tested } - problem is the artificial nature of the test - buffer S1 will just push Tx buffer into Rx buffer on the same port and one or the other will get lost given the...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 06:12 PM
    +1 - wasn't sure how to say what Kurt captured well ...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 06:00 PM
    Kurt - I'll have a look at the mod you made from my T_3.6 testing { and remember what cool thing I did :) } ... I think that looped THROUGH port to port (?) rather than loop BACK to same port? I misread Frank's and...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 04:14 PM
    Kurt - see my post - must stop debug spew? Did Web Pull Request #327 for post #726 // To use Serial4 Disable Debug :: https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=195229&viewfull=1#post195229 ...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 07:47 AM
    Testing 8 Serial#'s Passes with variant of Frank_B sketch :: github.com ... FB_SerialChain {minor code update 1.5 hrs later.} RE post #727 - Pogo Pins can unseat the T4 enough to disconnect Serial7 - others may have...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 07:06 AM
    Paul - RE: Trouble on the Breakout :: Serial 7 Pin 28 or 29 has a loose connect - PogoPin? Push T4 down and this went to showing good with jumper placed on pi<>po:: // UART6 Serial1 UART4 Serial2 UART2 Serial3 ...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 06:22 AM
    Supposing those are resisters on the exposed Serial Rx & Tx pins to make them touch safe? Return of the 'Soldering Goddess'? I put a 5 pin female header on T4 end I had to remove - Was it Michael_M that pointed out...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 03:56 AM
    Then that is going into Vin - and there is no source other than that and the 3.3V the Teensy generates from Vin. Another 5V supply wound be needed if the external source doesn't supply that.
    4 replies | 85 view(s)
  • defragster's Avatar
    01-11-2019, 03:15 AM
    Genuine PJRC supplied - with Filler disk for Mic : pjrc.com/store/microphone.html And 25K Pot : pjrc.com/store/pot_thumb_25k.html {need to check pin 15 there } Decided to skip adding Flash so as not to ruin it...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 02:01 AM
    I've posted on seeing this as well - most specifically in my cases where the T4 got into odd state perhaps from interrupted startup - or quickly returning and interrupted. - and also perhaps background upload to...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 01:52 AM
    That was a typo - yes wString.cpp was copied and just confirmed that with Stream.cpp copied to T4 the other posted sketch works. Problem was not getting a CLEAN build - adding that file didn't trigger - even though I...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-11-2019, 12:15 AM
    Looking here - or on the card you may have gotten with the T_3.5 :: pjrc.com/teensy/pinout.html You'll see the pin labelled Vin - if powered from USB that pin will be at 5 volts from the USB connector.
    4 replies | 85 view(s)
  • defragster's Avatar
    01-10-2019, 11:36 PM
    Can confirm it was GND across BreadBoard. I do have 3 Teensy and the stuff on - inline cheap power meter says 4.88V and 0.17-0.23 Amp total - running this micro servo shows it might be peaking at 0.33A total. Plugging...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 10:27 PM
    Good sketch - thanks for testing Mike- you see what I saw and with your sketch I see what you saw - except I clearly have flickers small and bigger on IR Yellow Rcv indicate LED - even with the IR LED covered. And...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 08:58 PM
    Just remember Servo VCC is 5V :( - I started Servo with pin #8 and moved to #2 for control - LedControl LED's are now 3/4/5. I see #22 and #23 are also open if it is a timer conflict. Even just SWEEP example with IR...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 08:29 PM
    Hooked Servo into my Combo app - the IR Receiver is triggering it seems from Servo noise - with no IR Tx buttons on remote pressed. Mike can you put a servo with your IR receiver? Do you see odd behavior? For Demo...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 08:31 AM
    Given manitou's RTC to test running Millis and wanting confirmation ... Went back to the SetArmClock sketch and after a short run set it back to 600 MHz before exiting. Added in two serialEvent's and printed RTC to...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 03:06 AM
    did the String.cpp copy and the errors persist from :: Serial.println(String(counter) + " allocations made"); Same code compiles for T_3.6.
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-10-2019, 01:01 AM
    Is that because String isn't fixed yet? I ran that and single non-free() bytes it ran for 16383 and quit - with edited print pair. I changed to alloc(counter) bytes, and free(pointer) at loop end - looks like Max...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 07:15 PM
    My machine took an update too : Win 10 1809.17763.253 was released 1/8/19. Not sure that relates to my troubles that were similar to whatever "I" did before - but it was in there. My T4 and system are perfectly good...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 05:22 PM
    KurtE : I can't hook up just now - but with that filler for avremulation.h I can now compile the SSD1306 for i2c! ~3 warnings for not return value where expected in func() and BTW: Prior combo sketch has...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 06:26 AM
    Change to make CoreMark not Fault when ITERATIONS causes run time over 10 secs: T:\tCode\T4\teensy4_coremark\core_portme.c :: secs_ret time_in_secs(CORE_TICKS ticks) { secs_ret retval=ticks / 1000; return...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 05:28 AM
    So that's my second Scare where everything came back after Windows reboot. And the IDE's T_port menu entries - were out of sorts as shown. Common thread may be … tormenting Windows USB and T_ports?: > the first...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 02:45 AM
    Fresh post follow up - it seems to be working - but I have to push button now? Manitou - did you run Set_Arm_Clock on your T4? Initial Serial USB not always showing - it is different? I need to Reboot - PORTS are...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 02:25 AM
    <edit> - sketch not the evil - DO NOT RUN THIS SKETCH ?!?!?!?!?!?! I think the issue may have been the way power checking was forcing the device to restart. I just revisited the sketch a bit more - making sure it...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-09-2019, 01:41 AM
    Frank sent me a copy, I can PM to you if Frank is offline. I get 86.3 mA with blank sketch, I may have put yield() in the loop() cycle. Frank's Sketch runs just over 87 mA printing for 10 seconds it then powers...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 11:05 PM
    I'll second that and add a - :cool: @WMXZ - Ordered a pair of the PJRC PT8211 kits with my Beta T4 assuming they be good for testing - Will they be useful against your basicSAI code? - of course with a dedicated...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 09:24 AM
    Okay, with the edit I made it didn't change for the sketch I used.
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 08:48 AM
    < I just hit edit post on the last and this one :) - but I stopped myself > It may be working - I'm not sure what it would take to see the change? My sketch was small, and I wasn't sure if it would report on the...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 08:44 AM
    I did that I'm not sure to tell if anything changed. It looked like this:
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 08:41 AM
    Frank: I find this in the T_3.6.ld seems already done? - or does it need the top line edited? I added that and the builder reports the same RAM on the sketch I ran. Also saw the same when I ran this MEMORYcheck is...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 04:38 AM
    The latest release TeensyDuino 1.45 only supports the latest RELEASE IDE 1.88 >> Teensyduino 1.45 supports Arduino versions 1.0.6 and 1.6.5-r5 and 1.8.1 and 1.8.5 and 1.8.6 and 1.8.7 and 1.8.8. It won't install on...
    13 replies | 125 view(s)
  • defragster's Avatar
    01-08-2019, 01:57 AM
    You could put me down for one - I'd at least use it to confirm Kurt's work if nothing else
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 01:05 AM
    Just got mine - it works with TV remote - connected to open pin #9 with Demo.
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-08-2019, 12:06 AM
    Okay, it works after removing the change - goes back to what is shown. Maybe the edit doesn't copy from forum to the file right. Will look for file as you can post.
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 11:48 PM
    I have a bent pin header here that fits - looked at soldering that on - then lifting with sockets to the breadboard - those pads are just big enough to see around the pins. Frank - I updated my post 592 above with...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 11:04 PM
    Here's results in a sketch: and a second: And the IDE shows:
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 08:59 PM
    Enjoy FlexScan! Up to Paul about the extent of Talkie mods - but it seemed to generate good Teensy interest. Audio output is a fun new way to get feedback after a blinking LED, which is what I found and didn't like...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 08:36 PM
    Hope everyone is sitting down - I missed commenting on a thread :) Interesting there are alternatives though that one didn't get as much attention as Talkie. Was hoping it was a way to create added encoding for Talkie....
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 07:36 PM
    It came with a Stylus? None of mine from PJRC did … PJRC Tester looks nice - good use of the ZIF socket - I knew they were tested, that shows how extensively. Which is good because the ones from eBay or elsewhere...
    126 replies | 24684 view(s)
  • defragster's Avatar
    01-07-2019, 06:30 PM
    I'll try that then. Glad I let you hit the code first to enjoy :), it was fun to play with putting that Que code - Paul did the Porting and it was crazy to have it block the Teensy - it was on my list to go fix. ...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 06:21 PM
    Nice! Fix for Wire - will make T_3.x compare testing work :) … WireKinetis.cpp and .h - I wondered where such a break would be hiding. KurtE - format of Serial ports list looks familiar ? :) - I see it posted on...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 10:54 AM
    I thought I saw that go by as working - so much going by - with this as post #559. Speaking of late and stopping for the night … today is almost 3 hours old … Pulled the CORE as noted - hoped to see your readFreq...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 10:17 AM
    KurtE/Paul - with the github/CORE I got earlier today I find this to be working on Serial 2 and 3 with them looped to themselves. You'll note the added explicit call to "HardwareSerial::processSerialEvents();" is...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 04:00 AM
    Indeed ... have been following that - but the 3.x unchanged wasn't clear - having the default in one different from the other means the same sketch would act differently numerically was where I was headed. Though T4...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 02:43 AM
    Original Talkie from Arduino was PWM'd - Paul put on DAC - that code is still there IIRC - Paul hooked in a Teensy Timer - I put the non-blocking queue in the code - but that shouldn't affect the process. Hopefully the...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 01:39 AM
    Still have one of the SparkFun Tview on my desk - been trying to ignore it for SPI - didn't realize it was not standard. You did all that work and I got two but I never connected more than one. Seems like it might be...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 01:15 AM
    Recheck all the too many wires to have a good connection - no shorts - to the proper place and agrees with the software defined values. Start with a simple touch example. Displays from PJRC are individually checked...
    126 replies | 24684 view(s)
  • defragster's Avatar
    01-07-2019, 12:31 AM
    @KurtE - Nice, I can work up an event responder sample for SerialEventX with beta 7 release if that helps choosing. IIRC - Event responder list is only parsed/checked in yield() case? So not unlike SerialEvent in...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-07-2019, 12:09 AM
    Was hoping post #3 would clarify that from initial post. On Teensy No, Serial USB has no access to Serial1 unless Hardware and software are configured to associate those two wholly separate pieces of hardware
    8 replies | 125 view(s)
  • defragster's Avatar
    01-06-2019, 11:16 PM
    For something like that to work jumper pin #0 to #1 and anything sent out Serial1 will feedback into Serial#1 As Frank notes Serial is separate hardware from Serial1 on Teensy - both independently usable at the same...
    8 replies | 125 view(s)
  • defragster's Avatar
    01-06-2019, 10:50 PM
    Paul - just confirmed on my other machine still with Beta 3 1.46 also cannot compile for T_3.6 the Adafruit_SSD1306 i2c Example :: problem with WIRE...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-06-2019, 10:11 PM
    ~10 years 0n 24/7 at 1.15 volts for commercial use - even if hot and reduced speed. So looks like voltage is harder on it than temp near 200 F So even cool with higher voltage to OC will reduce that
    215 replies | 9711 view(s)
  • defragster's Avatar
    01-06-2019, 09:56 PM
    Yes, already flagged in Post #4 :: Paul noted sometime before the emulation layer was to be done <entries in Post #6>. I ordered that Amazon IR Board - I have two kits with remotes I got from SparkFun one sale...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-06-2019, 08:29 PM
    Okay - it booted - not a normal boot - something got odd related to IDE and the post #512 confusion AFAIK ... So to follow up on post #512 - I quit the overnight test on Serial/LedControl/IntervalTimer - all was...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-06-2019, 08:11 PM
    what I wrote was to the effect of : that can't be right - every clock tick is counted. if there are only 2 cycles then nothing happened - as Frank then wrote - the compiler probably optimized it away. I've seen that...
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-06-2019, 07:57 PM
    .......... ops.. TIM big sorry .. hit the wrong button end editited this message instead replying..argh.. happened the first time. BIG sorry. don't have your original text. Frank
    955 replies | 20379 view(s)
  • defragster's Avatar
    01-06-2019, 07:44 PM
    To time fast things use the cycle counter instead of micros() - best possible resolution and very little overhead: uint32_t usedCycles = ARM_DWT_CYCCNT; Serial.print( " how many MCU cycles does this take ? " );...
    955 replies | 20379 view(s)
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