diff options
Diffstat (limited to 'drivers/display/ssd1306.py')
| -rw-r--r-- | drivers/display/ssd1306.py | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/display/ssd1306.py b/drivers/display/ssd1306.py index cd358d00e..cebe10e67 100644 --- a/drivers/display/ssd1306.py +++ b/drivers/display/ssd1306.py @@ -23,29 +23,16 @@ SET_PRECHARGE = const(0xd9) SET_VCOM_DESEL = const(0xdb) SET_CHARGE_PUMP = const(0x8d) - -class SSD1306: +# Subclassing FrameBuffer provides support for graphics primitives +# http://docs.micropython.org/en/latest/pyboard/library/framebuf.html +class SSD1306(framebuf.FrameBuffer): def __init__(self, width, height, external_vcc): self.width = width self.height = height self.external_vcc = external_vcc self.pages = self.height // 8 self.buffer = bytearray(self.pages * self.width) - fb = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.MONO_VLSB) - self.framebuf = fb - # Provide methods for accessing FrameBuffer graphics primitives. This is a - # workround because inheritance from a native class is currently unsupported. - # http://docs.micropython.org/en/latest/pyboard/library/framebuf.html - self.fill = fb.fill - self.pixel = fb.pixel - self.hline = fb.hline - self.vline = fb.vline - self.line = fb.line - self.rect = fb.rect - self.fill_rect = fb.fill_rect - self.text = fb.text - self.scroll = fb.scroll - self.blit = fb.blit + super.__init__(self.buffer, self.width, self.height, framebuf.MONO_VLSB) self.init_display() def init_display(self): |