[TriEmbed] Arduino Releases Its WiFi-Enabled RP2040 Board | Tom's Hardware (& structured assembler)

[Josh Wyatt]

Waaaaaaaaay too late to the party; the ESP32 has been out for a couple of
years now and blows this thing away (dual 240mhz cores, 520K RAM, 448K ROM,
configurable flash, long-standing Arduino IDE support...). And you can get
three delivered to your door by Friday for less than $24.

https://www.amazon.com/ESP-WROOM-32-Development-Microcontroller-Integrated-Compatible/dp/B08D5ZD528/

I get that folks love ARM though!
-j


On Wed, May 19, 2021 at 11:56 AM Pete Soper via TriEmbed <
triembed at triembed.org> wrote:

> For those wanting to have a full collection of PR2040 boards, here's the Arduino
> Nano RP2040 Connect
> <https://www.tomshardware.com/news/arduino-nano-rp2040-released> with
> WIFI and Bluetooth from the Arduino folks. Tom's sez complete IDE support
> from Arduino with old and new regular IDE versions and their cloud-based
> IDE.
>
> One project I want to get around to some day for the PR2040 is a
> structured macro assembler. This boils down to a relatively trivial parser
> for the vanilla assembly language with recognition of some simple macros
> that do *if-then-else*, *while*, etc for the basic structured programming
> construct collection à la  Dijkstra
> <https://en.wikipedia.org/wiki/Edsger_W._Dijkstra>. with his seminal 1972 book
> written with Dahl and Hoare
> <https://www.thriftbooks.com/w/structured-programming_car-hoare_o-j-dahl/331974/item/44698853/?gclid=Cj0KCQjw7pKFBhDUARIsAFUoMDZkRcyYWeGI3CG7IU9JrrMPiXo30HaTqCU1-DosM3xxBWPb-4e1H_YaAgGYEALw_wcB#idiq=44698853&edition=2051476>.
> There is a very nice structured macro assembler out there for the Moto 68K
> and the source code for that would probably be a good starting point. If
> anybody else is interested in this let me know so we can coordinate a
> little project. Starting with the TI MSP430 I swore I'd get back to
> assembly language after a 20+ year hiatus, but there was always something
> more important and it is the case that assembler is mighty hard to justify
> with today's "all computing resources are close to free" situation making C
> the 21st century assembly language (and Java the 21st century COBOL, HA!).
> But the PR2040 seems like a good target and learning the M0+ instruction
> set would be useful for those of us who started with assembler to get back
> to our roots. I'm especially interested in interprocessor lock mechanisms
> that would allow for some hand rolled parallel loops using the two cores,
> assuming the necessary atomic instructions are not too expensive. Until
> it's time to jump to RISC V this little chip seems to me like a wonderful,
> very general solution for a lot of target applications. I can't wait to
> jump on this after clearing a few figurative decks.
>
> Pete
> On 5/18/21 10:05 PM, Peter Soper wrote:
>
> https://www.tomshardware.com/news/arduino-nano-rp2040-released
>
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