Arduino code sources?

[Terry Pinnell]

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

 

[Cursitor Doom]

On Fri, 31 May 2019 11:48:07 +0100, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit) and am stepping through its tutorials. In parallel I'm
trying to learn the basics of its C++ based programming language, but
that's proving a struggle.

I wouldn't even bother with C++ in this instance. Get yourself a copy of
Kernighan & Ritchie's the C Programming Language - the best book ever
written on C.



--
This message may be freely reproduced without limit or charge only via
the Usenet protocol. Reproduction in whole or part through other
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protocols constitutes acceptance of this condition.

 

[Lasse Langwadt Christense]

fredag den 31. maj 2019 kl. 13.40.52 UTC+2 skrev Cursitor Doom:

On Fri, 31 May 2019 11:48:07 +0100, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit) and am stepping through its tutorials. In parallel I'm
trying to learn the basics of its C++ based programming language, but
that's proving a struggle.

I wouldn't even bother with C++ in this instance. Get yourself a copy of
Kernighan & Ritchie's the C Programming Language - the best book ever
written on C.

sure if you just want to program AVR mcus

not if you want to use Arduino sketches in the Arduino IDE most of that is
a subset of C++

 

[Winfield Hill]

Lasse Langwadt Christensen wrote...

fredag den 31. maj 2019 kl. 13.40.52 UTC+2 skrev Cursitor Doom:
On Fri, 31 May 2019 11:48:07 +0100, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit) and am stepping through its tutorials. In parallel I'm
trying to learn the basics of its C++ based programming language, but
that's proving a struggle.

I wouldn't even bother with C++ in this instance. Get yourself a copy of
Kernighan & Ritchie's the C Programming Language - the best book ever
written on C.

sure if you just want to program AVR mcus

not if you want to use Arduino sketches in the
Arduino IDE most of that is a subset of C++

I know the compiler is C++, but all the code
everyone was writing seemed to be simply C.


--
Thanks,
- Win

 

[bitrex]

On 5/31/19 6:48 AM, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

Best place to start looking is the library search function from the IDE
itself, Sketch -> Include Libraries -> Manage Libraries or control +
shift + I.

From there you can search for libraries covering a lot of common
embedded hardware devices and software tasks. Most will have links to a
repository of the source code for how they're implemented (some are more
complicated than others.)

 

[Lasse Langwadt Christense]

fredag den 31. maj 2019 kl. 15.54.54 UTC+2 skrev Winfield Hill:

Lasse Langwadt Christensen wrote...

fredag den 31. maj 2019 kl. 13.40.52 UTC+2 skrev Cursitor Doom:
On Fri, 31 May 2019 11:48:07 +0100, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit) and am stepping through its tutorials. In parallel I'm
trying to learn the basics of its C++ based programming language, but
that's proving a struggle.

I wouldn't even bother with C++ in this instance. Get yourself a copy of
Kernighan & Ritchie's the C Programming Language - the best book ever
written on C.

sure if you just want to program AVR mcus

not if you want to use Arduino sketches in the
Arduino IDE most of that is a subset of C++

I know the compiler is C++, but all the code
everyone was writing seemed to be simply C.

but many of the libraries are c++

 

[bitrex]

On 5/31/19 10:46 AM, bitrex wrote:

Which is a real shame considering the avr-gcc compiler is fully C++11
standard compliant (you don't get most of the niceties or templates of
the STL, though) but you almost never see people doing "real" C++, which
the Arduino environment compiles just fine:

template <typename InputType, size_t BufSize
class MyCompressionPolicy {}

//partial specialization for uint16_t

template <size_t BufSize
class MyCompressionPolicy<BufSize, uint16_t> {}
 public:
  static const uint8_t* compress(const uint16_t& input_data)

whoops change that

 

[bitrex]

On 5/31/19 9:54 AM, Winfield Hill wrote:

Lasse Langwadt Christensen wrote...

fredag den 31. maj 2019 kl. 13.40.52 UTC+2 skrev Cursitor Doom:
On Fri, 31 May 2019 11:48:07 +0100, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit) and am stepping through its tutorials. In parallel I'm
trying to learn the basics of its C++ based programming language, but
that's proving a struggle.

I wouldn't even bother with C++ in this instance. Get yourself a copy of
Kernighan & Ritchie's the C Programming Language - the best book ever
written on C.

sure if you just want to program AVR mcus

not if you want to use Arduino sketches in the
Arduino IDE most of that is a subset of C++

I know the compiler is C++, but all the code
everyone was writing seemed to be simply C.

Which is a real shame considering the avr-gcc compiler is fully C++11
standard compliant (you don't get most of the niceties or templates of
the STL, though) but you almost never see people doing "real" C++, which
the Arduino environment compiles just fine:

template <typename InputType, size_t BufSize>
class MyCompressionPolicy {}

//partial specialization for uint16_t

template <size_t BufSize>
class MyCompressionPolicy<BufSize, uint16_t> {}
public:
static const uint8_t* compress(const InputType& input_data) {
// data compression logic etc.
return compressed_data_buf_;
}

private:
static uint8_t compressed_data_buf_[BufSize] = new uint8_t[BufSize];
};

//further specializations follow
....
....
//


//"typedef" but able to be template-ted

template <typename InputType>
using compressor_128_policy_t = MyCompressionPolicy<InputType, 128>;

//serial port wrapper with user-defined data compression policy

template <typename InterfaceType,
template <typename> class DataCompressionPolicy>
class SerialWrapper {
public:
SerialWrapper(const InterfaceType& interface, const char* port,
uint32_t baud)
: interface_(&interface) {
interface_->setup(port, baud);
}

~SerialWrapper() {
if (interface_) {
interface_->flush();
interface_->close();
}
}

// hardware interface wrappers can't be copied

SerialWrapper(const SerialWrapper&amp = delete;
SerialWrapper& operator=(const SerialWrapper) = delete;
SerialWrapper(SerialWrapper&&amp = default;
SerialWrapper& operator=(SerialWrapper&&amp = default;

//compress data on the fly during the write out using the user-defined
//compression policy plug-in

template <typename InputType>
bool write(const InputType& data) {
enum { WRITE_FAIL, WRITE_SUCCESS };
if (!interface_) return WRITE_FAIL;

auto result =

interface_->write(DataCompressionPolicy<InputType>::compress(data));
return result ? WRITE_SUCCESS : WRITE_FAIL;
}

private:
InterfaceType* interface_ = nullptr;
};

 

[George Herold]

On Friday, May 31, 2019 at 6:48:13 AM UTC-4, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

I played with an arduino years ago... (with my son.) But I don't
know much... you might try asking at the stack exchange
https://arduino.stackexchange.com/

George H.

 

[bitrex]

On 5/31/19 11:37 AM, bitrex wrote:

On 5/31/19 6:48 AM, Terry Pinnell wrote:
I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn
the basics of
its C++ based programming language, but that's proving a struggle. I'm
impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit'
approach. It then
becomes a matter of finding sketches that cover a particular subject
and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources
that others have
found useful please.

Terry, East Grinstead, UK


Best place to start looking is the library search function from the IDE
itself, Sketch -> Include Libraries -> Manage Libraries or control +
shift + I.

From there you can search for libraries covering a lot of common
embedded hardware devices and software tasks. Most will have links to a
repository of the source code for how they're implemented (some are more
complicated than others.)

The repos for most libraries will also contain example code to show how
they should be used in practice.

 

[Terry Pinnell]

bitrex <user@example.net> wrote:

On 5/31/19 11:37 AM, bitrex wrote:
On 5/31/19 6:48 AM, Terry Pinnell wrote:
I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super
Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn
the basics of
its C++ based programming language, but that's proving a struggle. I'm
impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit'
approach. It then
becomes a matter of finding sketches that cover a particular subject
and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources
that others have
found useful please.

Terry, East Grinstead, UK


Best place to start looking is the library search function from the IDE
itself, Sketch -> Include Libraries -> Manage Libraries or control +
shift + I.

From there you can search for libraries covering a lot of common
embedded hardware devices and software tasks. Most will have links to a
repository of the source code for how they're implemented (some are more
complicated than others.)

The repos for most libraries will also contain example code to show how
they should be used in practice.

Thanks, I'll start there.

Terry, East Grinstead, UK

 

[Ralph Mowery]

In article <pg02fept12fd4h872f8jq590libopp4201@4ax.com>,
me@somewhere.invalid says...

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

You may want to start here:
https://www.arduino.cc/en/Guide/HomePage

Here is another place that shows how to hook up many of the sensors.

https://www.sunfounder.com/learn/category/Sensor-Kit-v2-0-for-
Arduino.html

There are lots of people on youtube that have done many things with the
Arduino. I have been playing with them for about 2 years. The language
is simple, but I am not a programmer. I do it like I do the game of
chess. I know how each piece moves on the board, but playing someone
that has a basic understanding of the game will beat me in a very short
time. I can make simple changes to other's programs but that is it.

 

[Rheilly Phoull]

On 31/05/2019 6:48 pm, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

There are heaps of sites around courtesy of mr google
Try
<https://www.deviceplus.com/?utm_source=google&utm_campaign=arduino&utm_medium=ppc>
as a starter.

 

[John Miles, KE5FX]

On Friday, May 31, 2019 at 3:48:13 AM UTC-7, Terry Pinnell wrote:

I'd therefore appreciate recommendations on Arduino sketch
sources that others have found useful please.

I don't know much about the Arduino environment, but their boards
are handy for working with the AVR 8-bit chips. If you are climbing the
learning curves for both C/C++ and embedded development at the same time,
you have some challenging work ahead.

C++ is a moving target, especially these days. Many people who learned it
20 years ago would barely recognize the C++ code now being written under
the "Modern C++" rubric. Fortunately it's still true that you only need
to use the C++ features you want to use, along with the converse (you only
want to use the features you actually need.)

The advice to start with K&R C is OK as far as it goes, but it's akin to
telling an electronics novice to start with vacuum tubes. I have to believe
that there are better tutorials by now that start you out with a good C++
foundation. It is safe to say the best C++ tutorials will not be found on
Arduino sites, but on desktop platforms. If you run Windows, look for some
introductory lessons with the "community edition" of MS Visual Studio.
There will be tons. If you run Linux or a related OS you will want to start
with tutorials that use GCC.

One advantage there is that the Arduino toolchain that you will be working
with is GCC-based, so if you become familiar with GCC early on, those
lessons will apply at more than just the core language level. Arduino
itself won't expose you directly to GCC, but you will eventually leave that
particular nest.

-- john, KE5FX

 

[sdy]

On Friday, May 31, 2019 at 6:48:13 AM UTC-4, Terry Pinnell wrote:

I bought my first Arduino UNO R3 kit two weeks ago (the Elegoo Super Starter kit)
and am stepping through its tutorials. In parallel I'm trying to learn the basics of
its C++ based programming language, but that's proving a struggle. I'm impatient to
use Arduino on my own projects so I will take a 'copy/paste/edit' approach. It then
becomes a matter of finding sketches that cover a particular subject and then
tailoring.

I'd therefore appreciate recommendations on Arduino sketch sources that others have
found useful please.

Terry, East Grinstead, UK

Here's a very place to start. Start at Lesson 1:
https://learn.adafruit.com/category/learn-arduino

 

[Jan Panteltje]

On a sunny day (Fri, 31 May 2019 17:02:54 -0700 (PDT)) it happened "John
Miles, KE5FX" <jmiles@gmail.com> wrote in
<2bc464da-5bdc-4606-846b-a07b2b35e34e@googlegroups.com>:

On Friday, May 31, 2019 at 3:48:13 AM UTC-7, Terry Pinnell wrote:
I'd therefore appreciate recommendations on Arduino sketch
sources that others have found useful please.

I don't know much about the Arduino environment, but their boards
are handy for working with the AVR 8-bit chips. If you are climbing the
learning curves for both C/C++ and embedded development at the same time,
you have some challenging work ahead.

C++ is a moving target, especially these days. Many people who learned it
20 years ago would barely recognize the C++ code now being written under
the "Modern C++" rubric. Fortunately it's still true that you only need
to use the C++ features you want to use, along with the converse (you only
want to use the features you actually need.)

The advice to start with K&R C is OK as far as it goes, but it's akin to
telling an electronics novice to start with vacuum tubes.

That is complete bullox
The Cplushplush I have seen for 'duinos is total insane.
Cplushplush is a crime against humanity.

Learning it is going back to the stone age making stone tools.
I do not use 'duinos and never will, just because of that Cplushplush.

For a bit more you have a Raspberry Pi with Linux and gcc and can program in C or any other language,
For single tasking computing stuff I use PICs, programmed in asm.
PICs with PIC asm is much easier and more logical than Cplushplush, faster, and takes less space.
Cplushplush is a crime against humanity.

I once needed a driver for some chip, 'duino had one in Cplushplush that consisted of 3 source files IIRC.
I rewrote it in C in less than 40 lines,., and run it on a Raspberry.

The basic flaw with that seeplushplush is that it claims to look at things from on 'object oriented' POV.

Unfortunately for those users computers just are sequential operating machines.
So their brains get damaged doing the silly switch from reality all the time.
And all that Cplushplush syntax is way to much typing work.
It is about as stupid as programming in Linux as non-root and using sudo at the start of any instructions.
Cpluplush is unreadable crap and should be forbidden by law and those that still use it banned to a deserted island on an other planet in an other solar system in an other galaxy in an other universe ruled by string theory.

I Have Spoken.

 

[bitrex]

On 6/1/19 12:57 AM, Jan Panteltje wrote:

On a sunny day (Fri, 31 May 2019 17:02:54 -0700 (PDT)) it happened "John
Miles, KE5FX" <jmiles@gmail.com> wrote in
2bc464da-5bdc-4606-846b-a07b2b35e34e@googlegroups.com>:

On Friday, May 31, 2019 at 3:48:13 AM UTC-7, Terry Pinnell wrote:
I'd therefore appreciate recommendations on Arduino sketch
sources that others have found useful please.

I don't know much about the Arduino environment, but their boards
are handy for working with the AVR 8-bit chips. If you are climbing the
learning curves for both C/C++ and embedded development at the same time,
you have some challenging work ahead.

C++ is a moving target, especially these days. Many people who learned it
20 years ago would barely recognize the C++ code now being written under
the "Modern C++" rubric. Fortunately it's still true that you only need
to use the C++ features you want to use, along with the converse (you only
want to use the features you actually need.)

The advice to start with K&R C is OK as far as it goes, but it's akin to
telling an electronics novice to start with vacuum tubes.

That is complete bullox
The Cplushplush I have seen for 'duinos is total insane.
Cplushplush is a crime against humanity.

Learning it is going back to the stone age making stone tools.
I do not use 'duinos and never will, just because of that Cplushplush.

For a bit more you have a Raspberry Pi with Linux and gcc and can program in C or any other language,
For single tasking computing stuff I use PICs, programmed in asm.
PICs with PIC asm is much easier and more logical than Cplushplush, faster, and takes less space.
Cplushplush is a crime against humanity.

It's a language for writing code that is
extensible/modifiable/understandable by other people than oneself, which
is a requirement for most real-world development projects.

 

[Jan Panteltje]

On a sunny day (Sat, 1 Jun 2019 01:11:55 -0400) it happened bitrex
<user@example.net> wrote in <vOnIE.14499$M55.13366@fx36.iad>:

On 6/1/19 12:57 AM, Jan Panteltje wrote:
On a sunny day (Fri, 31 May 2019 17:02:54 -0700 (PDT)) it happened "John
Miles, KE5FX" <jmiles@gmail.com> wrote in
2bc464da-5bdc-4606-846b-a07b2b35e34e@googlegroups.com>:

On Friday, May 31, 2019 at 3:48:13 AM UTC-7, Terry Pinnell wrote:
I'd therefore appreciate recommendations on Arduino sketch
sources that others have found useful please.

I don't know much about the Arduino environment, but their boards
are handy for working with the AVR 8-bit chips. If you are climbing the
learning curves for both C/C++ and embedded development at the same time,
you have some challenging work ahead.

C++ is a moving target, especially these days. Many people who learned it
20 years ago would barely recognize the C++ code now being written under
the "Modern C++" rubric. Fortunately it's still true that you only need
to use the C++ features you want to use, along with the converse (you only
want to use the features you actually need.)

The advice to start with K&R C is OK as far as it goes, but it's akin to
telling an electronics novice to start with vacuum tubes.

That is complete bullox
The Cplushplush I have seen for 'duinos is total insane.
Cplushplush is a crime against humanity.

Learning it is going back to the stone age making stone tools.
I do not use 'duinos and never will, just because of that Cplushplush.

For a bit more you have a Raspberry Pi with Linux and gcc and can program in C or any other language,
For single tasking computing stuff I use PICs, programmed in asm.
PICs with PIC asm is much easier and more logical than Cplushplush, faster, and takes less space.
Cplushplush is a crime against humanity.

It's a language for writing code that is
extensible/modifiable/understandable by other people than oneself, which
is a requirement for most real-world development projects.

No it is not, it is a crime against humanity.
there is a REASON why Linus has forbidden the use of seeplushplush in the kernel.

Teaching people to understand reality from the wrong POV is leading to bloated crap for software.
Qt, MS widows... the list is probably endless.

There is this other thread, about what was it 'counter intuitive something',
and somebody pointed to (oh yes gravity) 'gravitons'.
OK, but that comes - or is related to string theory.
Last night I was making spaghetti, and once cooked you can bend those strings in any form you like
well and then I just realized this morning that that is what string theory IS.
Some mathemagician looked at spaghetti and realized that with those strings you can make any form you want,
even 'branes' (not brains).. repeat last sentence many times over.,.
Anyways, I have an other model that actually does predict and explain observed phenomena,
unlike string theory that fold any way you like...
Anyways, as long as you can get away with that string^H^H^H^H^H^H plushplush stuff is
like getting away with some crime against humanity, just do not do it to kids that are learning!
Else the world will be one worse.
Explain to them how a processor works, and then teach them asm, hey I started coding in binary, and then move on to some higher
language (maybe BASIC) and C as an interface to the hardware.
Many object(ional) oriented languages came, and went again, large IT projects failed, it is big business to sell bloated un-understandable crap.
That is one problem with the capitalist system.
But do not do it to newcomers in computing!

 

[John Miles, KE5FX]

On Friday, May 31, 2019 at 9:57:40 PM UTC-7, Jan Panteltje wrote:

The Cplushplush I have seen for 'duinos is total insane.
Cplushplush is a crime against humanity.

Learning it is going back to the stone age making stone tools.

If someone is just getting started, it amounts to pedagogic malpractice to
tell them to learn anything else. The world still runs on C, and someone
who has learned C++ will be equipped to write better code than someone
who has not even if they never use 99% of the language. The only question
is where they should be looking for lessons.

Probably not here, would be my guess.

> I do not use 'duinos and never will, just because of that Cplushplush.

It's just another AVR board, irrespective of your personal prejudices.
If you have an 8-bit nail to pound, Arduinos make a good 8-bit hammer.
You can program them in C, or Forth, or Brainfuck if that's your thing.

-- john, KE5FX

 

[Tom Gardner]

On 01/06/19 05:57, Jan Panteltje wrote:

On a sunny day (Fri, 31 May 2019 17:02:54 -0700 (PDT)) it happened "John
Miles, KE5FX" <jmiles@gmail.com> wrote in
2bc464da-5bdc-4606-846b-a07b2b35e34e@googlegroups.com>:

On Friday, May 31, 2019 at 3:48:13 AM UTC-7, Terry Pinnell wrote:
I'd therefore appreciate recommendations on Arduino sketch
sources that others have found useful please.

I don't know much about the Arduino environment, but their boards
are handy for working with the AVR 8-bit chips. If you are climbing the
learning curves for both C/C++ and embedded development at the same time,
you have some challenging work ahead.

C++ is a moving target, especially these days. Many people who learned it
20 years ago would barely recognize the C++ code now being written under
the "Modern C++" rubric. Fortunately it's still true that you only need
to use the C++ features you want to use, along with the converse (you only
want to use the features you actually need.)

The advice to start with K&R C is OK as far as it goes, but it's akin to
telling an electronics novice to start with vacuum tubes.

That is complete bullox
The Cplushplush I have seen for 'duinos is total insane.
Cplushplush is a crime against humanity.

Learning it is going back to the stone age making stone tools.
I do not use 'duinos and never will, just because of that Cplushplush.

For a bit more you have a Raspberry Pi with Linux and gcc and can program in C or any other language,
For single tasking computing stuff I use PICs, programmed in asm.
PICs with PIC asm is much easier and more logical than Cplushplush, faster, and takes less space.
Cplushplush is a crime against humanity.

I once needed a driver for some chip, 'duino had one in Cplushplush that consisted of 3 source files IIRC.
I rewrote it in C in less than 40 lines,., and run it on a Raspberry.

The basic flaw with that seeplushplush is that it claims to look at things from on 'object oriented' POV.

Unfortunately for those users computers just are sequential operating machines.
So their brains get damaged doing the silly switch from reality all the time.
And all that Cplushplush syntax is way to much typing work.
It is about as stupid as programming in Linux as non-root and using sudo at the start of any instructions.
Cpluplush is unreadable crap and should be forbidden by law and those that still use it banned to a deserted island on an other planet in an other solar system in an other galaxy in an other universe ruled by string theory.

What you gain on the swings you lose on the roundabouts.

While I am certainly no fan of C++ (e.g. see the C++ FQA),
one advantage of the Arduino class machines is that you are
programming against bare silicon.

Having an operating system in a hard real-time system can
be a real impediment and a steep learning curve.