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st7920: Support writing degrees symbol 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-09-20 13:11:52 -04:00 committed by KevinOConnor
parent a4e2540f14
commit 05ba62600c
1 changed files with 8 additions and 1 deletions
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9
klippy/extras/display/st7920.py
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@ -4,7 +4,7 @@
# #
# This file may be distributed under the terms of the GNU GPLv3 license. # This file may be distributed under the terms of the GNU GPLv3 license.
import logging import logging
import icons import icons, font8x14
BACKGROUND_PRIORITY_CLOCK = 0x7fffffff00000000 BACKGROUND_PRIORITY_CLOCK = 0x7fffffff00000000
@ -13,6 +13,7 @@ ST7920_CMD_DELAY = .000020
ST7920_SYNC_DELAY = .000045 ST7920_SYNC_DELAY = .000045
TextGlyphs = { 'right_arrow': '\x1a' } TextGlyphs = { 'right_arrow': '\x1a' }
CharGlyphs = { 'degrees': font8x14.VGA_FONT[0xf8] }
class ST7920: class ST7920:
def __init__(self, config): def __init__(self, config):
@ -145,6 +146,12 @@ class ST7920:
# Draw character # Draw character
self.write_text(x, y, char) self.write_text(x, y, char)
return 1 return 1
font = CharGlyphs.get(glyph_name)
if font is not None:
# Draw single width character
for i, bits in enumerate(font):
self.write_graphics(x, y, i, [bits])
return 1
return 0 return 0
def clear(self): def clear(self):
self.text_framebuffer[0][:] = ' '*64 self.text_framebuffer[0][:] = ' '*64