diff options
Diffstat (limited to 'klippy/extras')
| -rw-r--r-- | klippy/extras/display/uc1701.py | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/klippy/extras/display/uc1701.py b/klippy/extras/display/uc1701.py index cb6e3763..921d3be4 100644 --- a/klippy/extras/display/uc1701.py +++ b/klippy/extras/display/uc1701.py @@ -49,14 +49,16 @@ class DisplayBase: self.send(new_data[col_pos:col_pos+count], is_data=True) old_data[:] = new_data def _swizzle_bits(self, data): - # Convert 8x16 data into display col/row order - bits_top = [0] * 8 - bits_bot = [0] * 8 + # Convert from "rows of pixels" format to "columns of pixels" + top = bot = 0 for row in range(8): - for col in range(8): - bits_top[col] |= ((data[row] >> (7 - col)) & 1) << row - bits_bot[col] |= ((data[row + 8] >> (7 - col)) & 1) << row - return (bits_top, bits_bot) + spaced = (data[row] * 0x8040201008040201) & 0x8080808080808080 + top |= spaced >> (7 - row) + spaced = (data[row + 8] * 0x8040201008040201) & 0x8080808080808080 + bot |= spaced >> (7 - row) + bits_top = [(top >> s) & 0xff for s in range(0, 64, 8)] + bits_bot = [(bot >> s) & 0xff for s in range(0, 64, 8)] + return (bytearray(bits_top), bytearray(bits_bot)) def set_glyphs(self, glyphs): for glyph_name, glyph_data in glyphs.items(): icon = glyph_data.get('icon16x16') |