>
> First of all I have checked Conrad France but could not find a display
> with a st7036 controller.
> It doesn't mean you can't buy them in France but at least I could not
> find it.
> I hope you can find a supplier because it is really a nice one and
> also cheap (I am Dutch).
> The nice thing about this display is that it has a serial connection
> so only 4 i/o needed, 5 if you want to control the backlight and you
> can place it right above the microchip so you have extremely short
> wires.
Yes, it seems nice. Don't worry, I'll find it !
If you want I can send you some pictures of the display and the below
> mentioned PCB I developed.
Maybe once I got the beast...
> > Great too ! How is it accessed ? Serial ? i2c ? chip-specific protocol ?
>
> The ds1302 is, as you can see in the schematic, serial, but whit a
> chip-specific protocol, connected to the pic.
OK, so it must use serial_hardware.jal lib from jallib.
> The ds1302 I downloaded from jallist.
> When it didn't work I immediately started to write new lib so I don't
> know why it didn't work.
OK, but you used the original jallist file (or whatever the source), as a
start, you ***MUST*** keep the original author's name, and mention you
*adapted* it. This is very, very important. Same for lcd.
> I have added in the map "DOC" (invalidated) documentation about the
> st7036 controller it self and the display DOG-M witch has a st7036
> controller and also hardware example for connecting a st7036
> controlled display (DOG-M) and the RTC ds1302 to a 16f877 pic.
Yeah I've seen this, and while having references to datasheets is good, I
don't like the idea to put them in SVN, particularly in /doc. /doc is where
I'll put API doc about jallib, and other docs related to jallib only.
Following this, we would have to add datasheets for each PIC, jallib' SVN is
not the place for this. Just a link in header could be enough. I can add a
"Links:" field in it, so a script can check if links are still active.
For now, if you all agree can you remove them ?
> In the map "Sample" you can find "test display hd44780 4 line" and
> "test display hd44780 8 line" the only difference between those 2 file
> is the initialisation section of the display so you can see how the to
> set to nibble or 8 line (both are tested by me).
Great. Few comments though...:
* I can't compile your samples. It includes "16f877_ok.jal" which obviously
doesn't exist in jallib. Each sample must be written against jallib repos:
using device file and libraries. Before committing, a good practice is to
check it compiles ok against jallib.
* avoid spaces in filenames, this can sometimes be a nightmare. Use
underscore ("_"). Also note all files must be lowercased (not capitals).
* be careful with indentation
* there's no "include lcd" statement in your sample, probably because it's
done in 16f877_ok.jal. Keep in mind that samples must show how to use the
lib, from scratch, with the needed details. The minimal use.
>
> In the map "RTC" I have add the lib "rtc_ds1302 and in the map "lcd"
> you can find the lib "lcd_hd44780_tmp"
>
> St7036 I will add later if you are satisfied with the hd44780
> procedures because I think the st7036 should have the same options as
> the hd44780.
what options are you talking about ?
I think st7036 is more important, since we already have a hd44780 lib.
>
> > I suggest you also Create issues for each of these libs, at least for
> ST7036
> > and DS1302. This will help people knowing what's going on, what needs to
> be
> > done before relase.
>
> Do you mean by issues more testing suggestions and?
No, I mean issues in jallib project. See:
http://code.google.com/p/jallib/issues/list
You could add 2 issues, something like: "Integrate ST7036 lcd lib" and
"Integrate DS1302 RTC lib", where you'll describe what's to be done. It's
also a nice place to put problems encountered during development, it can
help for other issues. Have a look at existing ones to have an idea !
Cheers,
Seb
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