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Merged
merged 4 commits into from
Dec 3, 2024
Merged

off by one adjustments #84

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6907bce
off by one adjustments
mikeysklar Dec 1, 2024
4618586
Update ssd1680.py
mikeysklar Dec 1, 2024
1be3100
Update adafruit_epd/ssd1680.py
mikeysklar Dec 1, 2024
6d0086e
restored power_up()
mikeysklar Dec 2, 2024
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31 changes: 28 additions & 3 deletions adafruit_epd/ssd1680.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,19 +244,44 @@ def power_up(self):

self.command(
_SSD1680_DRIVER_CONTROL,
bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]),
bytearray([self._height, (self._height) >> 8, 0x00]),
)
self.command(_SSD1680_DATA_MODE, bytearray([0x03]))
self.command(_SSD1680_SET_RAMXPOS, bytearray([0x00, (self._width // 8) - 1]))

# Set voltages
self.command(_SSD1680_WRITE_VCOM_REG, bytearray([0x36]))
self.command(_SSD1680_GATE_VOLTAGE, bytearray([0x17]))
self.command(_SSD1680_SOURCE_VOLTAGE, bytearray([0x41, 0x00, 0x32]))

self.command(_SSD1680_SET_RAMXPOS, bytearray([0x00, (self._width // 8)]))
self.command(
_SSD1680_SET_RAMYPOS,
bytearray([0x00, 0x00, self._height - 1, (self._height - 1) >> 8]),
bytearray([0x00, 0x00, self._height, (self._height) >> 8]),
)

# Set border waveform
self.command(_SSD1680_WRITE_BORDER, bytearray([0x05]))

# Set ram X count
self.command(_SSD1680_SET_RAMXCOUNT, bytearray([0x01]))
# Set ram Y count
self.command(_SSD1680_SET_RAMYCOUNT, bytearray([self._height, 0]))
self.busy_wait()

def update(self):
"""Update the display specifically for SSD1680Z."""
self.command(_SSD1680_DISP_CTRL2, bytearray([0xF7])) # Full update for SSD1680Z
self.command(_SSD1680_MASTER_ACTIVATE)
self.busy_wait()
if not self.busy_pin:
time.sleep(3) # Wait for update to complete

def set_ram_address(
self, x: int, y: int
) -> None: # pylint: disable=unused-argument, no-self-use
"""Set the RAM address location, not used on this chipset but required by
the superclass"""
# Set RAM X address counter
self.command(_SSD1680_SET_RAMXCOUNT, bytearray([x]))
# Set RAM Y address counter
self.command(_SSD1680_SET_RAMYCOUNT, bytearray([y, y >> 8]))