diff options
Diffstat (limited to 'wasp/drivers')
| -rw-r--r-- | wasp/drivers/st7789.py | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/wasp/drivers/st7789.py b/wasp/drivers/st7789.py index 980435b..aca89db 100644 --- a/wasp/drivers/st7789.py +++ b/wasp/drivers/st7789.py @@ -121,13 +121,13 @@ class ST7789(object): class ST7789_SPI(ST7789): def __init__(self, width, height, spi, cs, dc, res=None, rate=8000000): - self.spi = spi - self.dc = dc + self.quick_write = spi.write + self.cs = cs.value + self.dc = dc.value self.res = res - self.cs = cs self.rate = rate - #self.spi.init(baudrate=self.rate, polarity=1, phase=1) + #spi.init(baudrate=self.rate, polarity=1, phase=1) cs.init(cs.OUT, value=1) dc.init(dc.OUT, value=0) if res: @@ -145,13 +145,23 @@ class ST7789_SPI(ST7789): sleep_ms(125) def write_cmd(self, cmd): - self.dc(0) - self.cs(0) - self.spi.write(bytearray([cmd])) - self.cs(1) - self.dc(1) + dc = self.dc + cs = self.cs + + dc(0) + cs(0) + self.quick_write(bytearray([cmd])) + cs(1) + dc(1) def write_data(self, buf): + cs = self.cs + cs(0) + self.quick_write(buf) + cs(1) + + def quick_start(self): self.cs(0) - self.spi.write(buf) + + def quick_end(self): self.cs(1) |