Am 06.07.2016 um 07:45 schrieb Dr. Trigon: > > Thanks a lot for the patch. To summarize; its still the same > situation, do not see any dots/pixels. > I'm out of ideas.
> So I am wondering; can or shall I play with contrast values? Should I > measure the voltages at the lcds pins? I could e.g. compare the patch > applied against the voltage measured? > The value is 0x17, which should be somewhere in the middle. You can adjust the lower 4 bits of "CONTRAST1" and the lower 2 Bits of "CONTRAST2" to set other values. > Here is the log: http://dpaste.com/1QWRE11 > Nothing wrong in there. > And what I did: > > ~/owfs-code$ patch -p1 -R < eservice_lcd.diff ~/owfs-code$ patch -p1 > < eservice_lcd-2.diff ~/owfs-code$ make ~/owfs-code$ > module/owserver/src/c/owserver --debug --link=192.168.11.5:10001 (in > another window) ~/owfs-code$ module/owshell/src/c/owdir /uncached > (check for device 29.2F7214000000 - must be the only one existing) > ~/owfs-code$ module/owshell/src/c/owwrite /29.2F7214000000/strobe 1 > ~/owfs-code$ module/owshell/src/c/owwrite > /29.2F7214000000/LCD_H/clear 1 ~/owfs-code$ > module/owshell/src/c/owwrite /29.2F7214000000/LCD_H/message "Foobar" > That's what I did and with my test circuit it works. Kind of. Please retry with power-cycling the display, then wait a while, then send the message. From my testing, the display sometimes goes into a non-working state when it just flickers on a command instead of displaying the text. Kind regards Jan ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers