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[Lcdproc] Patch adds support for the Adafruit PiPlate


Chronological Thread 
  • From: bsdfan at nurfuerspam.de (Markus Dolze)
  • Subject: [Lcdproc] Patch adds support for the Adafruit PiPlate
  • Date: Tue, 12 Feb 2013 08:29:21 +0100

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>>
> 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>
>
>
> 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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