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boards: simulator: Improve spi.write() simulation

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Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
This commit is contained in:
Daniel Thompson 2020-12-12 12:32:01 +00:00
parent c1773a3976
commit e3b2c7bf7d
2 changed files with 7 additions and 2 deletions
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5
wasp/boards/simulator/display.py
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@ -37,6 +37,11 @@ class ST7789Sim(object):
self.cmd = 0
def write(self, data):
# Converting data to a memoryview ensures we act more like spi.write()
# when running in a real device (e.g. data must be bytes-like object
# that implements the buffer protocol)
data = memoryview(data)
if len(data) == 1:
# Assume if we get a byte at a time then it is command.
# This is a simplification do we don't have to track

4
wasp/drivers/st7789.py
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@ -181,8 +181,8 @@ class ST7789_SPI(ST7789):
Send data to the display as part of an optimized write sequence.
:param bytearray buf: Data, must be in a form that can be directly
consumed by the SPI bus.
:param bytes-like buf: Data, must be in a form that can be directly
consumed by the SPI bus.
"""
def __init__(self, width, height, spi, cs, dc, res=None, rate=8000000):
"""Configure the display.