Re: [Amforth] Fast pin I/O lib in asm - new names

[Jan K. <kro...@ho...>]

Hello,

It is a nice future.
The only way to get it in the arduino is by the assembler?

Regards,

Jan kromhout
Sacharovlaan 3
3223HM Hellevoetsluis-NL

Op 14 mei 2012 om 17:26 heeft "pito" <pi...@vo...> het volgende geschreven:

> A simple test on fastio.lib (there is no correction on the do-loop
> timing).
> The result is the duration of one loop (out of 10.000 loops).
> ----------------------------------------------------------------------------------------------------------
> Measured @11.0592MHz fcpu, atmega1284p, amforth 4.9 trunk.
> 
>> printdate.rtc
> 2012/05/14-MON-13:04:31 ok
> 
> / portpin: is used for an individual pin only (0-7)
> 
>> PORTA 7 portpin: PA.7
> ok
>> PA.7 pin.o
> ok
> 
>> : test1 timer-start 10000 0 do PA.7 pin.l PA.7 pin.h loop
>> timer-stop 10000 s>f
>> f/ fs. ;
> ok
>> test1
> 4.14815E-5  ok  ( 41 usec)
> 
>> : test2 timer-start 10000 0 do 128 PORTA pin.l 128 PORTA pin.h
>> loop timer-stop
>> 10000 s>f f/ fs. ;
> ok
>> test2
> 3.43704E-5  ok  ( 34 usec)
> 
>> : test3 timer-start 10000 0 do 128 34 pin.l 128 34 pin.h loop
>> timer-stop 10000
>> s>f f/ fs. ;
> ok
>> test3
> 3.43704E-5  ok  (34 usec)
> 
> 
> The port! (written in asm) is the same as the portpin! (forth)
> 
> / bitmask: is used for bits masks ($00-$FF)
> 
>> PORTA $F0 bitmask: PA.HNIB
> ok
>> PA.HNIB pin.o
> ok
> 
>> : test7 timer-start 10000 0 do $88 240 34 port! $33 240 34 port!
>> loop timer-st
>> op 10000 s>f f/ fs. ;
> ok
>> test7
> 4.56296E-5  ok  (46usec)
>> 
> 
>> : test5 timer-start 10000 0 do $88 PA.HNIB port! $33 PA.HNIB port!
>> loop timer-
>> stop 10000 s>f f/ fs. ;
> ok
>> test5
> 5.15556E-5  ok  (52usec)
>> 
> ok
> 
>> : test6 timer-start 10000 0 do $88 PA.HNIB portpin! $33 PA.HNIB
>> portpin! loop 
>> timer-stop 10000 s>f f/ fs. ;
> ok
>> test6
> 1.54667E-4  ok  (155usec)
> 
>> : test-loop timer-start 10000 0 do loop timer-stop 10000 s>f f/
>> fs. ;
>> ok
>> test-loop
> 6.51852E-6  ok  (6.5usec)
>> 
> 
> 
> ----- PŮVODNÍ ZPRÁVA -----
> Od: "pito" <pi...@vo...>
> Komu: amf...@li...
> Předmět: [Amforth] Fast pin I/O lib in asm - new names
> Datum: 14.5.2012 - 13:25:55
> 
>> Hi, some time back I posted here the fastio.asm
>> lib for building
>> into amforth. I did a refresh recently and changed
>> the names of the
>> words - ie:
>> 
>> pin.l  pin.h  pin.l?  pin.h?  pin.t  pin.o  pin.i 
>> port!  port@ 
>> port,h?  port.l? (portpin:)
>> 
>> The portpin: portpin! and bitmask: and few others
>> (set pullups,
>> pulse) are still written in forth (in
>> bitnames.frt). The (portpin:)
>> is now in asm  for does>  part of portpin: and
>> bitmask:.
>> 
>> So if you are interested and happy with the new
>> names I may provide
>> Matthias with the source. The lib is written in
>> asm based upon
>> resources find in amforth and LubosP repositories
>> (which were
>> written in forth or Lubos' asm for amforth).
>> P.
>> 
>> 
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> 
> 
> ------------------------------------------------------------------------------
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> Exclusive live event will cover all the ways today's security and 
> threat landscape has changed and how IT managers can respond. Discussions 
> will include endpoint security, mobile security and the latest in malware 
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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