On Sat, 30 Nov 2019 15:09:37 +0100, "R.Wieser" 
declaimed the following:


>
>But yes, thats (multi-threading) also something to be looked at.
>

 That's the simpler situation -- as it is easy to use mutex semaphores
to surround critical sections since all threads have access to the process
state. Not so easy to do when the "sections" are in completely separate
processes with separate memory blocks, etc.


{Wow -- those 2x16 LCDs have mutated since I last looked at them... I think
I have one or two of the pure 8/4-bit parallel models, followed by at least
one Parallax serial model -- where they added a sub-board with a PIC
processor and rely on simple UART protocol for communication, to now having
I2C busses

I wonder how many Parallax still sells -- when a UART serial 2x16 is $41,
while some imported I2C version is $6 on Amazon.

Then again -- Parallax BASIC Stamps {PIC-based} [if still in stock] were
going for $70 when much more capable Arduino {AVR-based} went for $40, and
a TI TIVA C123 {ARM Cortex M4F} can be had for $13 }


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

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