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[Lcdproc] LCDProc CVS + PicoLCD on FreeBSD


Chronological Thread 
  • From: andy at siliconlandmark.com (Andre Guibert de Bruet)
  • Subject: [Lcdproc] LCDProc CVS + PicoLCD on FreeBSD
  • Date: Mon, 19 Jan 2009 14:19:26 -0500

On Jan 16, 2009, at 8:17 PM, Gary R. Van Sickle wrote:

>> From: Poul-Henning Kamp
>>
>> In message
>> <C6F61B9C-A765-4F35-9BF7-E744B2F19C99 at siliconlandmark.com>,
>> Andre Guibert de Bruet writes:
>>> On Jan 16, 2009, at 5:09 AM, Gary R. Van Sickle wrote:
>>>>> Unfortunately the PicoLCD 2X20 and 4X20 devices present themselves
>>>>> as HID devices.
>>>>
>>>> ...but... they *are* HID devices. Why is this "unfortunate"?
>>
>> It's unfortunate, because they are HID devices only because
>> that is what microchip.com supplies as a USB programming example.
>>
>> The actual protocol they talk has nothing to do with the HID
>> specification.
>
> Ah. That's not "unfortunate", that's just sheer laziness on
> iTuner's part.
> Great, and I just bought one too. Welp, here's hoping whatever
> nonstandard
> protocol they do use works reasonably, and that the mfg gets their act
> together on the next one.

The iTuner parts are firmware upgradable, so there is hope. The
Picolcd.com SDK has code that does the flashing on Windows so it would
be a matter of porting it, if firmware that addresses the issue
becomes available.

I have purchased a couple of these and they've worked with LCDproc CVS
HEAD with the quirk. I just upgraded my testbed to CURRENT and will be
producing the appropriate patch for the USB2 stack, later tonight.

Cheers,
Andy

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