Re: Patch adds support for the Adafruit PiPlate

Markus Dolze <[email protected]> Tue, 12 Feb 2013 08:29:21 +0100
Newsgroups gmane.comp.sysutils.lcdproc
Message-ID <[email protected]>
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* <[email protected]
> <mailto:[email protected]>>
> Date: Sat, Feb 9, 2013 at 1:26 AM
> Subject: [PATCH] Add support for the Adafruit PiPlate
> To: [email protected] <mailto:[email protected]>
>
>
> 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