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Older Activity
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03-04-2021, 11:51 AM
If they are poper c++ files
Using classes the merge should be possible without any issues, however if there is non classed functions with the same names in the CPP files then you get conflicts.
4 replies | 109 view(s)
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03-03-2021, 07:56 PM
Yes its basically a striped down version of the PRO IDE.
which uses ardunio-cli
5 replies | 225 view(s)
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03-01-2021, 09:13 AM
Yes I have also read about the Dynamic connections bug.
The current state is now.
Can
* add/edit/remove custom node def. groups
* add/edit/remove custom node def.
* import and parse from github URL with
.h...
28 replies | 1556 view(s)
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02-25-2021, 05:44 PM
But I think this will just be a alternative to do
switching by patching AudioConnections
https://forum.pjrc.com/threads/60062-Dynamic-Audio-Connections?highlight=dynamic+audio+connections
but in a more elegant...
28 replies | 1556 view(s)
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02-25-2021, 04:32 PM
That is exactly how c++ template works
the AudioCrosspointSwitch
is initialized with
AudioCrosspointSwitch<4,8> crossSwitch;
which is a 4 input 8 output AudioCrosspointSwitch
note.
28 replies | 1556 view(s)
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02-25-2021, 04:12 PM
there is this one
https://github.com/macaba/Audio/blob/master/mixer_crosspoint_16.cpp
https://github.com/macaba/Audio/blob/master/mixer_crosspoint_16.h
from macaba...
28 replies | 1556 view(s)
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02-25-2021, 03:16 PM
I have a untested solution that is based upon AudioSwitch_F32.cpp from Chip Audette, OpenAudio library
it's basically a Crosspoint switch (not mixer)
AudioCrosspointSwitch.tpp
/*
* Created orginally: Chip...
28 replies | 1556 view(s)
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02-23-2021, 03:21 PM
you could probably do it
using the code inside:
https://github.com/PaulStoffregen/Audio/blob/master/play_sd_wav.cpp
function:
AudioPlaySdWav::consume(uint32_t size)
which takes care of the wav file decoding.
4 replies | 136 view(s)
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02-21-2021, 05:25 AM
I think $45 and specially $99 is alot overpriced for a IC that only costs $5 each.
Even with all the components and PCB it would never reach the prices. No its because its made specially for raspberry pi I think.
14 replies | 549 view(s)
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02-14-2021, 04:04 PM
Check this
https://forum.pjrc.com/threads/64225-Newbie-on-PlatformIO-with-Teensy?p=258173&viewfull=1#post258173
Post #8
2 replies | 102 view(s)
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02-12-2021, 08:49 AM
Funny thing
I recent bought a cs42448 (+teensy4.1 and some other things) from mouser but did not know then about the extra two inputs provided by pcm1808, if I want the extra two inputs I guess I have to do another...
11 replies | 369 view(s)
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02-12-2021, 07:46 AM
Your can use a simple buffer as in this post (#29)
https://forum.pjrc.com/threads/66086-Read-txt-file-sent-from-PC?p=268825&viewfull=1#post268825
And when you have received 0x0a (LF or '\n')
You just check the last...
4 replies | 213 view(s)
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02-09-2021, 09:21 PM
surely it have enough memory for that application
even a pic18f4550 have 32KB flash and 2KB ram
and that worked super as a midi2uart
until I did buy a teensy 4 that could also have the synth part
4 replies | 146 view(s)
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02-09-2021, 08:59 PM
I would ask the threadstarter
what specific devices are you gonna use?
Just to clarify some things
16 replies | 618 view(s)
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02-09-2021, 11:23 AM
Maybe you missed this thread
https://forum.pjrc.com/threads/66180-Teensy-4-1-Debug-Mod-Project
it would be the same approach for teensy 4.0
37 replies | 10790 view(s)
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02-08-2021, 03:56 PM
yes it uses the progmem syntax
static const PROGMEM uint32_t sample_0_Backsaw_BACKSAW
and contains
AudioSynthWavetable::SAMPLES_PER_MSEC
which was only
SAMPLES_PER_MSEC
in the old version
2 replies | 134 view(s)
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02-08-2021, 10:34 AM
Your could use simple levelshifters as this one
https://www.sparkfun.com/products/12009
There is also special ics that make that possible.
16 replies | 618 view(s)
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02-07-2021, 11:13 PM
Hi
I Have created a github repository which contains a updated version of the SoundFontDecoder
https://github.com/manicken/SoundFontDecoder
that means it's compatible with the updated version of the library.
and I...
2 replies | 134 view(s)
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02-03-2021, 01:15 PM
1. I don't think VSCODE will die any time soon.
2. actually the extensions are written in TypeScript which is a typed language, so the "precompiler"(or what to call it) warns when using non typed objects.
then...
27 replies | 2637 view(s)
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02-03-2021, 09:50 AM
I have an idea to make VisualTeensy multiplatform
why not create a plugin for vscode out of visual teensy
Then Paul @ PJRC only need to have a TeensyDuino installer that don't require that Arduino Is installed
...
27 replies | 2637 view(s)
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02-02-2021, 10:31 PM
but the easiest way is using the RT1060 input capture mode which can then be used to measure the high pulse time which is the the only one needed to determine if the receiving bit is a zero or one, the low part measure...
6 replies | 270 view(s)
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02-02-2021, 10:00 PM
this is something similar
https://hackaday.io/project/8181-ws2812b-delay-splitter
6 replies | 270 view(s)
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02-02-2021, 06:14 PM
the only downside is that it's a BGA
but with 1MM spacing so it could maybe be done using dead bug hand solder
specially if this can be done...
14 replies | 951 view(s)
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02-02-2021, 05:58 PM
I found the cypress S70KL1281/S70KD1281 while doing a order on mouser (to buy a teensy 4.1 + audio board)
which is a Self-Refresh 16MByte 100MHz DDR (200MBps) with a simple 8bit bi-dir interface (using CS,RW and CLK)...
14 replies | 951 view(s)
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02-02-2021, 05:30 PM
could be nicely done using a tinyFPGA AX1 to offload the teensy
the tinyFPGA needs a programmer but it can be built using a single pic16f1455 PDIP-14 USB
but then when I think about it the PIC16 also needs a...
6 replies | 270 view(s)
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02-02-2021, 12:21 PM
here is a pinout your keyboard ic (it's a KS86C6404) and the teensy 2.0++
you could probably fit it you you rotate the teensy around
scrape/cut the tracing leading to the KS86 pins 10 11 12 13 14 15 18 21 22...
6 replies | 233 view(s)
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02-02-2021, 11:16 AM
Yes you are right, I was thinking wrong.
And actually it's smart to "append" the null char after every receive.
I don't know if there is any use in this case?
The only thing I can think of is when having some ...
37 replies | 732 view(s)
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02-02-2021, 08:58 AM
In this part you are not checking for buffer overflow
Which can corrupt any data that is alligned after the buf
buf = c;
idx++;
buf = '\0'; // here is no check if the buff gets overflowing
And by the way...
37 replies | 732 view(s)
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02-02-2021, 07:16 AM
Platformio is the best way, and I don't think there is any good guide how to set it up and how it works.
I was thinking the same yesterday and was planning to do a simple guide (with pictures) how to do it.
The...
172 replies | 9859 view(s)
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02-01-2021, 09:31 PM
There is also VSCODE + PLATFORM IO which have teensy support.
It's a alternative if you want to program in a more "real" environment.
It's also faster to compile the code.
8 replies | 397 view(s)
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02-01-2021, 07:30 PM
can the following be used in platformio.ini???
-O2
-O1
-O3
-Og
-Os --specs=nano.specs
I can now generate:
(platformio.ini)
41 replies | 1948 view(s)
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02-01-2021, 07:20 PM
I have now implemented the export to arduino IDE pref.file
But when doing it for the platformio is a little harder as that cannot use the boards.txt to straight generate the platformio.ini
I can do the -D just...
41 replies | 1948 view(s)
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02-01-2021, 05:11 PM
I did some restructuring of the example menu
so that it's much easier to add new examples
(by having the menu structure json in index.html)
and to make the menu easier to structure.
For example it now have...
41 replies | 1948 view(s)
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02-01-2021, 07:59 AM
Final Cartridge 3 on c64 could also run a desktop with movabe cursor and had tools as calculator notepad etc.
And only run on 64k memory.
10 replies | 717 view(s)
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02-01-2021, 12:18 AM
I did it
removed the whole fork
did a new fork
created a branch called templateMixer
added the changed files
and made a pull request
9 replies | 328 view(s)
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01-31-2021, 11:53 PM
yes I was thinking of doing a branch, of what I can understand it's the best way of doing it.
I belive the only way to restore back my fork is to delete the whole thing and start over.
That will off course also...
9 replies | 328 view(s)
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01-31-2021, 05:50 PM
a note about the attached SoundfontDecoder
it only contains the changed files and must be extracted in your current SoundfontDecoder folder
12 replies | 328 view(s)
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01-31-2021, 05:45 PM
I had little time when I did the last post
there has been some changes to the synth_wavetable.h and the soundFontDecoder provided at PaulStoffregen:s github is not updated
I have attached the new version of...
12 replies | 328 view(s)
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01-31-2021, 04:52 PM
By the way i did a compile myself
There is some reference errors.
As I also had problems the first time
and the problem is in the soundfontdecoder.
12 replies | 328 view(s)
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01-31-2021, 04:31 PM
can you post the compile error output
it can be because you are using a old version of Soundfontdecoder
12 replies | 328 view(s)
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01-31-2021, 03:08 PM
Can I do the same for the template based mixer somehow?
I tried to add a file
but that looks like I only can add one file at a time,
and that's gonna be messy with many patches/pull requests?
9 replies | 328 view(s)
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01-31-2021, 02:52 PM
I'm new to github
But that was very easy,
when you said "just edit the original"
I know directly how it should be done.
9 replies | 328 view(s)
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01-31-2021, 12:37 PM
I don't know if I can do that as my version of the index.html is heavily changed.
9 replies | 328 view(s)
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01-30-2021, 05:57 PM
I have just now made a boards.txt parser in javascript that outputs a json
var treeData = {};
function parse(fileData) {
treeData = {};
const t0 = performance.now();
var lines =...
172 replies | 9859 view(s)
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01-29-2021, 10:46 PM
how do you think about this
https://www.neatcircuits.com/audiosw/index.html
10 replies | 441 view(s)
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01-29-2021, 04:51 PM
Yes that is the cause as
5aaaaaaaaaaaaaaaaa5
is 20 characters long including the \n char
37 replies | 732 view(s)
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01-29-2021, 04:41 PM
I can also agree that Arduino IDE is NOT for beginners
it's like more for advanced programmers who know every syntax
and for those that never make any errors.
But then again the tabs that is not scrollable
oh yes...
172 replies | 9859 view(s)
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01-29-2021, 04:16 PM
i can send this line without any problem ($0a is the \n in the terminal program that I use)
...
37 replies | 732 view(s)
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01-29-2021, 04:11 PM
this simplified example works for me
char buff; //buffer for serial data recive from PC
char line;
int scen_min = 0;
int scen_max = 18;
void setup()
{
Serial.begin(9600);
37 replies | 732 view(s)
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01-29-2021, 04:00 PM
ok found it
https://www.pjrc.com/teensy/td_uart.html
but then how do you use the dual or triple usb serial
37 replies | 732 view(s)
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01-29-2021, 03:53 PM
I find this unexplained (with the first only working):
void setup()
{
Serial2.begin(9600);
Serial1.begin(9600);
Serial.begin(9600);
}
void loop()
37 replies | 732 view(s)
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01-29-2021, 02:58 PM
but then when I'm looking at Print.h file
there is this
size_t print(const char s)
which seems to take a array buffer
37 replies | 732 view(s)
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01-29-2021, 02:53 PM
maybe it's safer to use
println()
instead of
print('\n')
as your terminal program maybe listens for \r\n
and the println includes \r\n
37 replies | 732 view(s)
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01-29-2021, 02:46 PM
@ luni Yes they do,
But the Serial.print function don't take array as the input (have checked the Print.cpp source)
which is really dumb as you are forced to use the formatted printf which is little overkill in this...
37 replies | 732 view(s)
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01-29-2021, 02:26 PM
was thinking the serial print was smarter but:
the Serial.print don't take byte array as input (only String)
so the proper print of array buffer would be:
for (int i = 0; buffer != '\n'; i++)...
37 replies | 732 view(s)
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01-29-2021, 02:04 PM
void scenario ()
{
//line; // don't know what this should be doing so I comment it out
for (int y = scen_min; y < scen_max; y++)
{
if(buffer != '\n')
{
line = buffer;
}
else
37 replies | 732 view(s)
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01-29-2021, 01:51 PM
sending the whole file should not be a problem
unless the file is very big
and the input buffer of the Serial port gets overflowed by incoming data.
37 replies | 732 view(s)
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01-29-2021, 01:45 PM
I think you are missing to compare with if(buffer != '\n') in:
(corrected with \n)
void scenario ()
{
line;
for (int y = scen_min; y < scen_max; y++)
{
if(buffer != '\n') // <--- corrected here
{
37 replies | 732 view(s)
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01-29-2021, 01:22 PM
strange that nobody answered to this
as it's very easy to fix
9 replies | 328 view(s)
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01-29-2021, 01:16 PM
that cannot be the whole code
as the function calls
ReadDataPC (Serial2.read ());
ReadTimeGPS(Serial4.read ());
is missing the functions in the code
if it is DataPC then you are missing to fill the buffer before...
37 replies | 732 view(s)
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01-29-2021, 12:15 PM
If you post the whole code it would be much easier to find the problem.
37 replies | 732 view(s)
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01-28-2021, 05:32 PM
Eclipse Theia is based on VSCODE which is based on Electron
https://en.wikipedia.org/wiki/Eclipse_Theia
https://en.wikipedia.org/wiki/Visual_Studio_Code
But they say that the binaries are freeware.
And as you...
172 replies | 9859 view(s)
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01-28-2021, 01:02 PM
Teensy is already on PlatformIO
https://forum.pjrc.com/threads/59915-Teensy-dev-platform-4-8-0-for-PlatformIO-is-out!-%F0%9F%9A%80
172 replies | 9859 view(s)
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01-28-2021, 12:22 PM
Yes there is an alpha version 0.1.0
Here is a direct link(as their homepage is messy and to modern in my opinion):
https://blog.arduino.cc/2020/08/24/cli-and-ide-get-better-together/
172 replies | 9859 view(s)
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01-28-2021, 11:34 AM
Hopefully soon the Arduino pro ide gets to a more functional state.
As that is just basically VSCODE with a Arduino skin.
I wonder why it take so long, the auto complete is not finished (when they could just use the...
172 replies | 9859 view(s)
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01-27-2021, 11:11 AM
PIC32 have DMA which can manipulate the gpio registers directly which means it can have similar behavior, there is a good book that you can read
https://energy4all.ru/pic32/books/p32inc.pdf
Page 353 uses DMA to create...
172 replies | 9859 view(s)
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01-27-2021, 10:27 AM
Two questions.
Who is responsible for the
teensy "platform io" implementation?
As the compiler for the "platform io" is much faster,
and the output(compiler log) is much cleaner and includes a nice tree...
15 replies | 635 view(s)
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01-27-2021, 09:06 AM
@wrightflyer
I had no idea that you could have a src sub folder in the sketch,
I have tried with using a "instruments" sub folder but without sucess, that's why I invented the DontRemoveCodeFiles node type.
This...
41 replies | 1948 view(s)
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01-26-2021, 05:00 PM
update:
implemented indexedDB projects
so that now every time the project name is changed
there is a new "file" with that name saved to the indexedDB project "dir"
which can then be opened in the new projects...
41 replies | 1948 view(s)
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01-25-2021, 02:43 PM
first a note. the location system used only matter if snap to grid is used.
And the choice is mostly esthetic.
the popup only describes the problem when switching between modes.
Maybe I should include these two...
41 replies | 1948 view(s)
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01-24-2021, 10:38 PM
I think your design was using non center based locations so either you have to reallign all nodes, or uncheck useCenterBasedPositions on all tabs.
I think I need to add a setting menu item to copy current tab...
41 replies | 1948 view(s)
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01-23-2021, 10:40 PM
It was the setting called useCenterBasedPositions
Because of the bug in #28 caused it to be stored as null
An then when the setting is compared against the def value I use to string() and that cannot take null as...
41 replies | 1948 view(s)
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01-23-2021, 09:57 PM
it's now fixed
41 replies | 1948 view(s)
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01-22-2021, 10:33 PM
One thing I dont understand why would Paul have any interest in the Raspberry Pi Pico as that is not his product and dont give him any income, and specially if it dont have any security functions.
If there is...
172 replies | 9859 view(s)
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01-22-2021, 12:48 PM
I have now checked little how it checks for certain files:
It actually matches a The Arduino Version in arduino.txt with
known filesizes of the existing files, (it looks by the way that it allows the same version of...
17 replies | 624 view(s)
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01-22-2021, 09:07 AM
A question do your teensyduino install contain all versions of the arduino pde.jar and arduino-core.jar for all supported versions of arduino ide?
17 replies | 624 view(s)
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01-22-2021, 05:26 AM
The content should look like this (plain and simple but with your version instead)
https://raw.githubusercontent.com/technologiescollege/arduino/master/lib/version.txt
17 replies | 624 view(s)
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01-22-2021, 05:22 AM
It looks like the version.txt is missing in the arduino installation, you can create one yourself what version of arduino do you have installed?
17 replies | 624 view(s)
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01-21-2021, 07:01 PM
General Purpose Input/Output (GPIO)
is used by the
Programmable I/O (PIO)
It don't mention any FIFO for the I2S module @ STM32F401
and it also send data in 16bit frames
Reference manual:...
172 replies | 9859 view(s)
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01-21-2021, 06:23 PM
Latest update includes:
* hardcoded default settings that is used when restoring the settings.
* the default settings is used to get and store only the changed settings in the JSON
(to minimize the size)
*...
41 replies | 1948 view(s)
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01-21-2021, 04:32 PM
It looks like the RP2040 PIO have FIFO
Loose taken from the datasheet:
The four state machines execute from a shared instruction memory.
System software loads programs into this memory,
configures the state...
172 replies | 9859 view(s)
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01-21-2021, 01:49 PM
To do a conclusion about the size
by the real picture on their front page
it's actually 0.7inch instead of 0.6inch(standard for most of wide DIL)
So it's actually symmetrical.
172 replies | 9859 view(s)
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01-21-2021, 12:55 PM
The secure feature is mostly used to make it impossible to read back the content of the chip, not the other way around.
172 replies | 9859 view(s)
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01-21-2021, 12:52 PM
I think its possible to generate the MCLK as there is 4 state machines in each PIO.
Post #21
I think its really good as now they are coming closer to FPGA tech.
172 replies | 9859 view(s)
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01-21-2021, 12:27 PM
As expected there is not 16PWM channels
(marketing bs)
Instead there is only 8 PWM outputs each with the inverse output also available
172 replies | 9859 view(s)
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01-21-2021, 12:10 PM
Taken from the data sheet
The programmable input/output block (PIO) is a versatile hardware interface.
It can support a variety of IO standards, including:
• 8080 and 6800 parallel bus
• I2C
• 3-pin I2S
•...
172 replies | 9859 view(s)
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01-21-2021, 11:56 AM
On the picture it's symmetrical with two holes outside on each side but its really hard to find what width they are using.
I have looked at one of the PDF and on their demo board they are using a I2S device so it's...
172 replies | 9859 view(s)
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01-21-2021, 11:24 AM
But it's sad that they did not actually put a "real" raspberry pi on that DIL.
And if the width was to narrow they could just make it 0.1inch wider as the 0.6inch don't really fit symmetrical on a breadboard anyway.
...
172 replies | 9859 view(s)
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01-21-2021, 10:37 AM
I mean the raspberry pi zero is approx the same price but with 512MB ram which is very good when having large wavetables.
Then what it needs is just a easy to install non GUI Linux that boots in less than 2sec
172 replies | 9859 view(s)
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01-21-2021, 10:16 AM
Why did they do it so powerless
There is already so many similar mcu:s already.
I would see a raspberry pi zero based one with the same formfactor.
172 replies | 9859 view(s)
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