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Free LCD2USB PCB+CPU for lcdsmartie driver

Discussion about LCD's and other related hardware

Moderators: _X7JAY7X_, caesar, IFR, mattcro, limbo, Fast351, hydrolisk1792

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Tillo
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Joined: January 2nd, 2007, 6:25 pm
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Free LCD2USB PCB+CPU for lcdsmartie driver

Post by Tillo »

Hi,

i frequently get requests for windows software for my lcd2usb http://www.harbaum.org/till/lcd2usb interface. While i did write a simple test software that compiles under windows (as well as under linux and macos) i just don't want to install a windows with the necessary development tools to do this myself.

So i thought i might just give a free LCD2USB PCB + CPU set to someone willing to do the work. So the first one seriously willing to do lcdsmartie support for the LCD2USB is getting a free set of these parts. Any volunteers?

Regards,
Till

_X7JAY7X_
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Post by _X7JAY7X_ »

You can try the test driver, but without rewriting a actual driver for it some functions of your LCD will not work. The easiest way would be to change the MO or Crystal driver for your command structure.

Tillo
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Joined: January 2nd, 2007, 6:25 pm
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Post by Tillo »

_X7JAY7X_ wrote:You can try the test driver, but without rewriting a actual driver for it some functions of your LCD will not work. The easiest way would be to change the MO or Crystal driver for your command structure.
As far as i can see does lcdsmartie only support usb devices that in fact emulate a serial device and thus are accessed via some com port emulation. This won't work with lcd2usb as it doesn't emulate a serial port. All this com port emulation stuff is imho a major hassle as the user has to manually tell his software which com port is attached to which device with the potential risk of getting everything confused. In order to use the lcd2usb e.g. the libusb would have to be used to directly communicate over usb exactly like my demo code does. Once it's done that way the application would be able to directly talk to the device without requiring the user to do any further setup.

There are a bunch of LCD interfaces working this way (e.g. the usblcd and the bwct interface) and if these are to be supported lcdsmartie will need something like libusb support.

Regards,
Till

limbo
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Post by limbo »

I think Fast351 can give us some ideas about the driver structure...

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