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