Hi Rob,
Many thanks for your good job !
jean Marchaudon
Le mardi 24 juillet 2018 19:45:39 UTC+2, RobH a écrit :
>
>
> Brief history of Jallib on occasion of its 10th birthday.
> (my personal view!)
>
> This week Jallib exists 10 years, a good moment for some reflection....
>
> Around 2007 I decided for PIC programming to switch from C to JAL.
> Soon I discovered that there was no support ('device file') for my most
> popular PICs, like the 16F690. I hoped that the INC2JAL program of Stef
> Mientki would solve this vacuum, but it didn't really for several reasons.
>
> I could have built an ad hoc solution for the 16F690, but I intended to use
> also other newer PICs and wanted a more future-proof solution. So I decided
> to build a program like INC2JAL, which became 'dev2jal', written in Rexx.
> In stead of using the include files for MPLAB assembler (like INC2JAL) I
> used
> its '.dev' and .lkr files as reference. This combo contained all I needed.
> When that gave adequate results I published the generated device files for
> JalV2 and started in March 2008 a Google discussion group 'dev2jal' to
> share,
> discuss and improve 'm. Several people joined the group and helped in
> various ways.
>
> Not long thereafter it became clear that device files only didn't bring a
> complete solution for JalV2 users and the naming convention chosen by me
> for the device files wasn't compatible with most of the then existing Jal
> libraries. So in July 2008 it was decided by the dev2jal group to start a
> new Google group 'Jallib' with the aim to provide a set of functional
> libraries based on and in combination with these device files.
> In the beginning most of the Jallib libraries were one-to-one conversions
> of Stef Mientki's collection, later libraries were added by several
> authors.
>
> Over the years the process of generating Jallib device files has undergone
> several changes. Some of these were needed to support PICs with new
> features
> or to accomodate new libraries, others were forced by changes in MPLAB.
> A major change in the generation process was in 2013: the switch from MPLAB
> to MPLAB-X and in stead of using .dev and .lkr files the .edc files were
> chosen because these contained a complete description of the PIC.
> But already about one year later I switched to .pic files of MPLAB-X as
> reference, because these use XML notation, much more convenient and
> reliable for parsing and extracting the required input for the device
> files.
> BTW: Reason to not use the .pic files from the beginning (in 2013) was
> that these files were 'hidden' in a jar archive!
> At the same time the script was also converted from Rexx to Python
> language.
> Python was considered to be more suitable, especially because of its
> support
> of xml. Another reason was that it would be easier to run the device files
> generation process under other operating systems.
> A side effect: the size of the main script dropped from approx. 5000 to
> 3500
> lines of code.
> Regardless the numerous MPLAB/MPLAB-X releases and internal changes
> compatibility with existing Jallib libraries was maintained!
>
> The complete device generation process consists of running a series of
> Python scripts, not all made by me, and some scripts produce info for
> some libraries (e.g. ADC). Even though the scripts are documented, it is
> still a rather complex process. Therefore I've built an 'all-in-one' script
> which calls all these scripts in the required sequence.
> Now it is possible to generate new device files with a single button-push
> (well almost, Microchip has always surprises with new versions of MPLAB-X).
> This all-in-one script runs fine under Linux and Windows (possibly MacOS
> as well) and it made the road free for a hand-over of the process to
> someone
> else. In 2017 Rob Jansen offered to take over and since beginning of
> 2018 he is in charge! Not only that, he also became co-manager/owner of
> the Jallib (Google) discussion group. I know that he takes these tasks
> very seriously! Thanks, Rob!
>
> This week (to be exact: tomorrow, the 25th of July 2018) Jallib exists 10
> years.
> This seems to me a perfect moment to say goodbye to JAL and Jallib!
> The last years my interests have shifted gradually away from 8-bits PICs
> in the direction of 32-bits architectures like ESP8266, ESP32, PyBoard, and
> also Raspberry Pi. And Python is my favourite programming language for all
> of these.
>
> I would like to thank all Jallib contributers and users for their efforts
> to help making Jallib a success. It was a pleasure to work with you.
> I wish you all Jallib users lots of satisfaction with PICs, JalV2 and
> Jallib.
>
> Regards, Rob Hamerling
>
> --
> *Rob H*amerling, Vianen, NL
>
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