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[Lcdproc] Patch adds support for the Adafruit PiPlate


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  • From: jlbrogdon at gmail.com (Jonathan Brogdon)
  • Subject: [Lcdproc] Patch adds support for the Adafruit PiPlate
  • Date: Mon, 8 Apr 2013 14:59:45 -0500

Thanks, Markus. I only had time this weekend to check the LCD output, and
everything was fine. I'll check the keys in next day or so.

Jon


On Sun, Apr 7, 2013 at 7:05 AM, Markus Dolze <bsdfan at nurfuerspam.de> wrote:

> Hi,
>
> committed (with documentation). Thank you.
>
> You should test the driver, as I have made some changes to it:
> - Rename the whole thing to piplate (instead of i2c-piplate; however,
> the internal function names have not been changed).
> - Optimize senddate() / backlight() to reduce I2C traffic.
> - Consolidate write_4_nibble() into senddata().
> - Change the default I2C device for Pi Rev 2.
> - Add FreeBSD support (not that anyone is running this on a Pi, but to
> allow me to compile the driver on my development machine).
>
> Regards,
> Markus
>
>
> On 25.03.2013 20:58, Jonathan Brogdon wrote:
> > OK. Thanks, Markus. Let me know if there is anything else I can
> provide.
> >
> > Jon
> >
> > On Mon, Mar 25, 2013 at 1:26 PM, Markus Dolze <bsdfan at nurfuerspam.de
> > <mailto:bsdfan at nurfuerspam.de>> wrote:
> >
> > Hi Jon,
> >
> > thank you for your submission. You don't need to resubmit patches
> > (unless it doesn't show up in the mailing list archive). They are
> > reviewed if I have some spare time.
> >
> > Regards,
> > Markus
> >
> > On 25.03.2013 14 <tel:25.03.2013%2014>:18, Jonathan Brogdon wrote:
> > > Never saw a response on the corrected patch for the Adafruit
> PiPlate.
> > > Resubmitting.
> > >
> > > Jon
> > >
> > > ---------- Forwarded message ----------
> > > From: *Jonathan Brogdon* <jlbrogdon at gmail.com
> > <mailto:jlbrogdon at gmail.com>
> > > <mailto:jlbrogdon at gmail.com <mailto:jlbrogdon at gmail.com>>>
> > > Date: Mon, Feb 18, 2013 at 9:34 AM
> > > Subject: [Lcdproc] Patch adds support for the Adafruit PiPlate
> > > To: lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>
> > <mailto:lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>>
> > >
> > >
> > > You are correct regarding the blue backlight pin. I've fixed the
> > > code, and attached a new patch.
> > >
> > > Jon
> > >
> > >
> > > On Tue, Feb 12, 2013 at 1:29 AM, Markus Dolze
> > <bsdfan at nurfuerspam.de <mailto:bsdfan at nurfuerspam.de>
> > > <mailto:bsdfan at nurfuerspam.de <mailto:bsdfan at nurfuerspam.de>>>
> wrote:
> > >
> > > On 11.02.2013 22:32, Jonathan Brogdon wrote:
> > > > Never saw this on the mailing list, or a response.
> Re-sending.
> > > >
> > > > Jon
> > > >
> > > > ---------- Forwarded message ----------
> > > > From: *Jonathan Brogdon* <jlbrogdon at gmail.com
> > <mailto:jlbrogdon at gmail.com>
> > > <mailto:jlbrogdon at gmail.com <mailto:jlbrogdon at gmail.com>>
> > > > <mailto:jlbrogdon at gmail.com <mailto:jlbrogdon at gmail.com>
> > <mailto:jlbrogdon at gmail.com <mailto:jlbrogdon at gmail.com>>>>
> > > > Date: Sat, Feb 9, 2013 at 1:26 AM
> > > > Subject: [PATCH] Add support for the Adafruit PiPlate
> > > > To: lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>
> > > <mailto:lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>>
> > > <mailto:lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>
> > > <mailto:lcdproc at lists.omnipotent.net
> > <mailto:lcdproc at lists.omnipotent.net>>>
> > > >
> > > >
> > > > For your consideration, I have attached a v0.5.6 patch which
> > adds a
> > > > driver for the Adafruit PiPlate
> > (http://adafruit.com/products/1109).
> > > > The PiPlate includes a HD44780 LCD and 5 button keys which
> is
> > > > accessed via a MCP23017 I2C IO expander.
> > > >
> > > > The driver was adapted from the HD44780-i2c driver, which
> > uses the
> > > > PCF8574 I2C IO expander.
> > > >
> > > > Jon Brogdon
> > > >
> > >
> > > Hi,
> > >
> > > please read [1]. Thank you.
> > >
> > > [1]
> > http://lcdproc.sourceforge.net/docs/current-dev.html#code-style
> > >
> > > According to the schematic from [1], the pin for blue
> > backlight is on
> > > GPB0, not on GPA8 (which does not exist anyway).
> > >
> > > Is the schematic wrong or did I miss something?
> > >
> > > [2]
> > >
> >
> http://learn.adafruit.com/system/assets/assets/000/003/861/original/pilcdplate.png?1360171818
> > >
> > > Regards,
> > > Markus
> > >
> > > _______________________________________________
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> > <mailto:LCDproc at lists.omnipotent.net>
> > <mailto:LCDproc at lists.omnipotent.net
> > <mailto:LCDproc at lists.omnipotent.net>>
> > > http://lists.omnipotent.net/mailman/listinfo/lcdproc
> > >
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
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> > lists.omnipotent.net>
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> >
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> >
> >
>
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