From: Roger V. <ro...@md...> - 2006-11-26 21:37:38
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I don't know why not, but I haven't looked at the converter and I haven't tried a serial keyboard on Gumstix. >From what I can tell, X-windows touchscreen drivers treat touchscreens as an additional mouse, so I'm hoping I can use the native driver without additional conversion hardware. > Could i use the Touchscreen converter to serial that is on the Earth LCD > and > use that as a mouse on Gumstix? would that work ? > > > Demetris Z. > > > ----- Original Message ----- > From: "Roger Venable" <ro...@md...> > To: "General mailing list for gumstix users." > <gum...@li...> > Sent: Sunday, November 26, 2006 5:22 AM > Subject: Re: [Gumstix-users] UCB1400 Touchscreen > > >> >> I just got one of the Panasonic LCDs hooked up, so I'm interested in >> this. >> I'd rather see a native driver for it than a serial converter as I'm >> working with limited space and battery power. >> >> By the way, I have my backlight circuit working, I've made the changes >> to >> the bootargs for the frame buffer, and I have it supported in a >> buildroot >> kernel, all the wires are soldered and inspected... >> >> what's the fastest and easiest way to generate any kind of output on the >> LCD at all? >> >> A test pattern will eventually be needed, but right now, I'd settle for >> "What hath Gumstix wrought?" in tiny fixed system font. >> >> Pics attached, I replaced the flourescent backlight with white LEDs and >> it >> worked pretty well. >> >> --Roger Venable >> >>> I used the TSlib driver and the touchscreen kinda works, altough there >>> is >>> a >>> problem in alignment and touch sence, but i think that has to do with a >>> small interface change in the pins of the touchscreen, There are some >>> resistors that should be in a specific order on the pins for the >>> touchscreen >>> to work properly. >>> >>> Another idea here. >>> >>> Can't i use a Touchscreen Driver Device from Earth LCD and use the >>> touchscreen as a mouse through a serial connection ? >>> >>> >>> Demetris Z. >>> >>> >>> ----- Original Message ----- >>> From: "Dave Hylands" <dhy...@gm...> >>> To: "General mailing list for gumstix users." >>> <gum...@li...> >>> Sent: Saturday, November 25, 2006 7:15 PM >>> Subject: Re: [Gumstix-users] UCB1400 Touchscreen >>> >>> >>>>H Demetris, >>>> >>>> On 11/25/06, Demetris Zavorotnichenko <fgc...@cy...> >>>> wrote: >>>>> How can i integrade that into Gumstix? I see the code but am a bit >>>>> confused >>>>> about it's use. >>>>> >>>>> I am trying to use Microwindows with the touchscreen but first i have >>>>> to >>>>> make the TSlib work, so how should i proceed? >>>> >>>> If I were going to do this, I woudl start simple. You need to check >>>> the ucb1400 driver, which is unfortunately complicated because it >>>> interfaces with so many things. >>>> >>>> You need to understand how the existing driver works and figure out >>>> how the touch screen stuff needs to integrate into it and get that >>>> working before you do anything up in user space with microwindows. >>>> >>>> I don't know much more about the ucb1400 driver since I haven't spent >>>> any time studying it. I'vw also never interfaced a touch screen >>>> before. >>>> >>>> -- >>>> Dave Hylands >>>> Vancouver, BC, Canada >>>> http://www.DaveHylands.com/ >>>> |