Stuck in a bad configuration

oldManDon

• September 08, 2020 11:01

I have a problem that with an error I sent a lot of data as commands and now my display is stuck with
1) starting about 2/3 to 3/4 of the way to the right and then wraps around.   
2) stuck in two line mode as it does not display the third line when I try to write to it.   
3) blocked at 2 lines and 6 pixel width.

 I have tried sending the initialization string (only question is the control words, I send a control word of 0x80 for command and if it is followed by data I send a second control word of 0x00 followed by the data (example 0x80 0x72 0x00 0x00  for the second cmd+data command in the initialization sequence).  All communication received good Acks

Any information or a method to do a factory reset would be appreciated

0

• 

  Ted M.

  NHD Staff

  • September 08, 2020 12:15

  Hi oldManDon,
  
  Please let us know the part number of the OLED display.  
  
  Regards,
   

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  oldManDon

  • September 10, 2020 07:49

  NHD-0420CW-AB3
  
  And ignore the part about the 2 lines (that was my code error).  I have a nice working display with various types of situations, but always shifted over and with characters that touch each other

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  Ted M.

  NHD Staff

  • September 10, 2020 10:54

  Please review this example code on our Github as an example:
  
  https://github.com/NewhavenDisplay/NHD-0420CW_font_height/blob/master/4x20_character_OLED.ino
  
  https://github.com/NewhavenDisplay/NHD_US2066
  
  Best Regards,

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