diff options
Diffstat (limited to 'klippy')
| -rw-r--r-- | klippy/extras/display/hd44780.py | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/klippy/extras/display/hd44780.py b/klippy/extras/display/hd44780.py index 7a56720b..77fd3b40 100644 --- a/klippy/extras/display/hd44780.py +++ b/klippy/extras/display/hd44780.py @@ -28,11 +28,12 @@ class HD44780: self.mcu.register_config_callback(self.build_config) self.send_data_cmd = self.send_cmds_cmd = None # framebuffers - self.text_framebuffer = bytearray(' '*80) + self.text_framebuffers = [bytearray(' '*40), bytearray(' '*40)] self.glyph_framebuffer = bytearray(64) self.all_framebuffers = [ - # Text framebuffer - (self.text_framebuffer, bytearray('~'*80), 0x80), + # Text framebuffers + (self.text_framebuffers[0], bytearray('~'*40), 0x80), + (self.text_framebuffers[1], bytearray('~'*40), 0xc0), # Glyph framebuffer (self.glyph_framebuffer, bytearray('~'*64), 0x40) ] def build_config(self): @@ -71,8 +72,6 @@ class HD44780: # Transmit changes for pos, count in diffs: chip_pos = pos - if fb_id == 0x80 and pos >= 40: - chip_pos += 0x40 - 40 self.send([fb_id + chip_pos]) self.send(new_data[pos:pos+count], is_data=True) old_data[:] = new_data @@ -89,13 +88,13 @@ class HD44780: # Add custom fonts self.glyph_framebuffer[:len(HD44780_chars)] = HD44780_chars for i in range(len(self.glyph_framebuffer)): - self.all_framebuffers[1][1][i] = self.glyph_framebuffer[i] ^ 1 + self.all_framebuffers[2][1][i] = self.glyph_framebuffer[i] ^ 1 self.flush() def write_text(self, x, y, data): if x + len(data) > 20: data = data[:20 - min(x, 20)] - pos = [0, 40, 20, 60][y] + x - self.text_framebuffer[pos:pos+len(data)] = data + pos = x + ((y & 0x02) >> 1) * 20 + self.text_framebuffers[y & 1][pos:pos+len(data)] = data def write_glyph(self, x, y, glyph_name): char = TextGlyphs.get(glyph_name) if char is not None: @@ -104,7 +103,9 @@ class HD44780: return 1 return 0 def clear(self): - self.text_framebuffer[:] = ' '*80 + spaces = ' ' * 40 + self.text_framebuffers[0][:] = spaces + self.text_framebuffers[1][:] = spaces def get_dimensions(self): return (20, 4) |