Iirc such a display acts like a 20x4 display. Where it boils down to is translate row, column to lcd_pos. First, figure out how different lcd_pos map to the display and then adapt the library accordingly. See lcd_hd44780_common.jal functions like lcd_cursor_position() for details.
Joep 2011/3/22 hubidrei <[email protected]>: > Hi, I have an old 2x40 LCD display. the controller is a a HD44780A00. > It is fully functional, tested on a PC parallelport with LCDHYPE. Now > my problem, the LCD_HD44780 can only handle a maximum of 20 chars per > line, does anyone know what l have to change in the libraries, to make > it work??? > I found a datasheet of this chip, it only says there are some minor > changes to the original 44780, but not what the canges are. > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/jallib?hl=en. > > -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
