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  1. It makes more sense now! Thank you!

    It makes more sense now!

    Thank you!
  2. digitalReadFast() why does it need __builtin_constant_p

    Hi all, just wondering why the pin must be known at compile time?

    I was looking at the source code and it has if-else for each pin so i'm wondering why the pin needs to be know at compile when...
  3. Splitting 5V Current between Teensy 3.6 and other components

    Hi all, for a while i've been using both USB power and an external power supply for my MIDI Controllers, i use a standard 9v power supply on stage with a 5v regulator, the regulator and the USB Power...
  4. Midi is the easiest and yes only chrome supports...

    Midi is the easiest and yes only chrome supports it, there are plugins to allow safari to use it but they are pretty buggy.

    The best way is to use System exclusive messages because you can send...
  5. Paul, will there be pads to access USB like on...

    Paul, will there be pads to access USB like on teensy 3 boards, no USB pads have been the only buzzkill for me on the 4.0 specially when i have custom breakouts that have usb type B for use on stages...
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    KurtE if i do a test similar it will also work...

    KurtE if i do a test similar it will also work and .available() will return more than 1, however when its with the nextion display it always returns 1, i have enhaced nextion 3.2 touch display.

    I...
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    Ok I tested your code i jumpered Serial6 RX/TX...

    Ok I tested your code i jumpered Serial6 RX/TX (pins 47/48) and Serial6.available does show up the full length of the array, however when i go back to the nextion display .available() will still...
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    awesome, thank you for the info, i think i was...

    awesome, thank you for the info, i think i was testing on Serial1 and Serial2, i fixed my issue using a little buffer
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    Teensy 3.6 are all UART ports the same?

    Hi all, I been messing with a Nextion Display, it communicates over Serial, i programmed the display to send some byte arrays based on touch and it worked great when i tested it using Serial1 and...
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    Youd likely have to write a usb driver for the...

    Youd likely have to write a usb driver for the teensy for dmx, most usb>dmx devices have custom drivers for their hardware at least the ones ive used hence why they usually have their own hardware...
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    Ok that makes sense, even i've had the 4.0 for a...

    Ok that makes sense, even i've had the 4.0 for a month i never really used because there was no USB MIDI so i was patiently waiting for it, last night when i went to bed i checked the forum and saw...
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    Just got to test beta 3, tested the MIDI USB Type...

    Just got to test beta 3, tested the MIDI USB Type with large Sysex dumps and worked like a charm! the only thing i noticed that i found odd was that for teensy 4.0 the IDE says it uses 10 times more...
  13. Thanks, that's the idea, not having to worry...

    Thanks, that's the idea, not having to worry about writing the same code or copying the same sketch code to another one to build a different midi controller, just focus on any non midi code like...
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    I wrote a full library that does this with its...

    I wrote a full library that does this with its own midi editor that is scalable and the editor is web based with also a desktop app running on electron. All done with sysex for communication, the...
  15. oh ok, BMC can handle all that, i actually do it...

    oh ok, BMC can handle all that, i actually do it the same way, i route the BB clock to all my other devices, that's where routing becomes really easy, that way i don't have to chaing one device after...
  16. That's awesome! yes it will be on github so...

    That's awesome! yes it will be on github so people can contribute.

    How do you use your build to control the beatbuddy and infinity? just with Control and Program changes? I wrote syncing for my...
  17. Announcing BMC, a MIDI Controller library with companion Desktop Editor!

    Hi all, I'm really excited to announce the Badass MIDI Controller (BMC), a scalable MIDI controller library with a companion Desktop Editor!

    It's a bit difficult to fully explain BMC but I will...
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    i would say make a 4.1 as close to the t36...

    i would say make a 4.1 as close to the t36 format, sd card, usb host pins with hot plug circuit, usb client pads, as many pads on the bottom for pogo pins, i love the idea of a double row board, with...
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    USB Audio Input Not Working

    Hi all, I started messing around with the Audio library again, I'm messing around with USB Audio, basically i just want to check if my T3.6 is reading audio from the USB port, however it doesn't seem...
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    Thank you for the answers! just waiting to see...

    Thank you for the answers! just waiting to see the 4.0 in stock somewhere to get my hands on it!
  21. Replies
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    TEENSY 4.0 EEPROM & RAM Questions

    Hi all, i see everywhere that 64K are allocated to recovery and EEPROM but what's the actual size that is used by the EEPROM library?

    Also I see that its has 1MB of RAM but says 512KB rightly...
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    4.0 USB pads? and optional sizes

    Hi, im curious if the 4.0 has any way to tap into the USB port, on the 3.x models you have pads and the 3.6 has pins for the USB host as well, this is great if you want to put it on a custom board...
  23. Ok i misunderstood your question, for what i see...

    Ok i misunderstood your question, for what i see there's none, the way you are doing it is the right way
  24. MIDIDevice midi; if(midi){ // midi device...

    MIDIDevice midi;

    if(midi){
    // midi device connected
    }
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    Initializing Struct Reference

    Hi guys, i'm trying to figure out if this is possible.

    I have a 2 classes, one of them contains a large struct i want to create a reference to that struct on another class.

    Basically i want...
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    wrapping "value" in my macro did the job, thank...

    wrapping "value" in my macro did the job, thank you for noticing that!! HUGE HELP!
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    AHH!!! you are right, i'm looking at it as if...

    AHH!!! you are right, i'm looking at it as if it's a function but i forgot it's a MACRO! i'll test it
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    Thank you for the reply, that's exactly what i've...

    Thank you for the reply, that's exactly what i've been doing lol except with macros



    #define CLEAR_BITS_TO_LOCATION(target, value, shift) (target &= ~(value << shift))
    #define...
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    Thank you for the reply, Yes that's what i do, i...

    Thank you for the reply, Yes that's what i do, i write to the struct first then i "put" the struct into EEPROM, however i have to first write those bits to the struct before storing it which is where...
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    Writing bits to a larger type

    Hi guys, i hope i'm phrasing the title right, I have a struct with a couple of uint32_t types, in those 32 bits i store multiple values, some are 2-bit values some are 4-bit some are 7 bit some are...
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    Thank you for the info! Is there a tested...

    Thank you for the info! Is there a tested schematic for a circuit to allow up to 12vdc?
  32. Replies
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    Teensy 3.6 max input voltage

    Hi, i was wondering what the maximum voltage that can be applied to a teensy without damage, the arduino mega can accept up to 12v dc but i know they have some voltage regulator, I'm wondering if the...
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    The roland site says the usb port is for audio...

    The roland site says the usb port is for audio doesnt say its for midi, when u connect it to your computer does it show up as a midi device?
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    Paul, both USBHost_t36 and usbMIDI should have a...

    Paul, both USBHost_t36 and usbMIDI should have a getSysExArrayLength() and behave like the MIDI library, where the the sysex length is split into 2 uint8_t and each assigned to data1 and data2, then...
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    Awesome, thank you! i've been testing 1.41 today...

    Awesome, thank you! i've been testing 1.41 today and so far everything is work as usual for me, my main focus being on MIDI
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    Hey Paul, there's a bug with usbMIDI, but before...

    Hey Paul, there's a bug with usbMIDI, but before i explain the bug, there's another thing that im a bit confused with, the new version seems to be using the usb_midi under cores/teensy3/usb_midi (i'm...
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    Paul on USBHost_t36 on the midi.cpp looks like...

    Paul on USBHost_t36 on the midi.cpp looks like there's a typo on line 394, the note on msg_type should be 0x90 and off should be 0x80 but looks like they are 0x9 and 0x8 respectively.
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    Ok that's great to know, i was able to get it all...

    Ok that's great to know, i was able to get it all working, thank you so much for all your work and your help!
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    Paul you truly Rock! Yes it works great now,...

    Paul you truly Rock!

    Yes it works great now, i tested it with my processor and with a teensy 3.2 as well and it's reading all sysexs from both, I'll do some more testing and let you know how it...
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    Hi Paul, thank you for the quick reply, i find it...

    Hi Paul, thank you for the quick reply, i find it odd because it's supposed to be MIDI class compliant, and also it's strange that my mac reads the messages without any issues using a midi monitor...
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    Hi Paul, i tested your latest commit which...

    Hi Paul, i tested your latest commit which included transmitting SysEx and retrieving the SysEx array, transmit is working great, i was able to send sysex to my guitar controller and it read them...
  42. Global config file inside project folder

    Ive seen discussions about this on the arduino forums, people asking for a config file that is located inside the same folder as the .ino file, this config can have macros or pre-processors that can...
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    I did some more testing and i was able to receive...

    I did some more testing and i was able to receive and transmit program, control and note on/off using a teensy 3.2 as the device,i didnt send data at crazy speeds i used 2 foot controllers to send...
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    I tested the transmit with 2 different guitar...

    I tested the transmit with 2 different guitar processors both with midi class compliant usb ports and it worked like a charm, i was able to fully read all the date and transmit program change and...
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    Hi Paul, testing it today, i just wrote a couple...

    Hi Paul, testing it today, i just wrote a couple of sketches to test between teensy's 3.2 as clients for the 3.6 and then i'll test it with all my midi gear, may I also suggest adding a...
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    Any change MIDI transmition will be added next?...

    Any change MIDI transmition will be added next? another addition that would be great would be being able to check the state of the usb port, specifically if there's a device attached
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    Hey Paul, yes I just have a bad habit of calling...

    Hey Paul, yes I just have a bad habit of calling a midi message MIDI Bytes as midi data bytes are only 7-bits, sorry for the confusion, I just really want to be able to transmit midi messages like...
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    I've been hoping the MIDI driver would get some...

    I've been hoping the MIDI driver would get some work, specifically sending out MIDI Bytes, this would make all my projects a lot easier as at the moment i have to use a USB Host Shield which takes up...
  49. Best way to check if an array has changed

    Hey guys, I'm trying to optimize my code both in RAM and Speed, I'm using teensy 3.2s and while they got enough RAM and speed to handle what i'm doing and then some, i'd still like to optimize things...
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    I'm using the USB Host shield to send/receive...

    I'm using the USB Host shield to send/receive sysex messages to control a guitar processor (Fractal AX8) basically i'm creating and expansion board to that guitar processor.

    Many guitar processors...
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