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faq update

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kraus 2018-11-17 06:01:08 +01:00
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doc/faq.txt
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@ -194,6 +194,14 @@ in U8x8lib.h. This will increase speed a lot for I2C on all AVR uC. However the
bus is always driven by this implementation. Other I2C devices will not work on
the same pins.
Q: Umlaut chars or other chars with a unicode value greater than 127 do not
appear on the displays. What is wrong?
A; Check the following:
Did you use drawUTF8() instead of drawStr()?
Did you enable UTF8 when using print() with enableUTF8Print()?
Does the font include the expected char? Fonts with a 'n' (numbers),
'u' (uppercase) or 'r' (restricted) at the end of the fontname do only
include glyphs with unicode lower than 128.
Q: How can I generate my own font.
A: The font must be available in bdf file format. Then use bdfconv to generate