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Mikey Sklar 2024-10-28 12:40:38 -07:00
parent 76814b02ac
commit ae5da03de4
1 changed files with 25 additions and 7 deletions
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32
adafruit_epd/ssd1680.py
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@ -8,10 +8,10 @@
CircuitPython driver for Adafruit SSD1680 display breakouts CircuitPython driver for Adafruit SSD1680 display breakouts
* Author(s): Melissa LeBlanc-Williams Mikey Sklar * Author(s): Melissa LeBlanc-Williams Mikey Sklar
""" """
import time
from micropython import const from micropython import const
import adafruit_framebuf import adafruit_framebuf
from adafruit_epd.epd import Adafruit_EPD from adafruit_epd.epd import Adafruit_EPD
import time
# Define all SSD1680 constants # Define all SSD1680 constants
_SSD1680_DRIVER_CONTROL = const(0x01) _SSD1680_DRIVER_CONTROL = const(0x01)
@ -30,7 +30,9 @@ _SSD1680_DEEP_SLEEP = const(0x10)
class Adafruit_SSD1680(Adafruit_EPD): class Adafruit_SSD1680(Adafruit_EPD):
"""Driver for SSD1680 ePaper display, default driver.""" """Driver for SSD1680 ePaper display, default driver."""
# pylint: disable=too-many-arguments
def __init__(self, width, height, spi, *, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin): def __init__(self, width, height, spi, *, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin):
# Call parent class's __init__ to initialize sram and other attributes
super().__init__(width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin) super().__init__(width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin)
self.cs_pin = cs_pin self.cs_pin = cs_pin
@ -40,8 +42,10 @@ class Adafruit_SSD1680(Adafruit_EPD):
self.busy_pin = busy_pin self.busy_pin = busy_pin
self.initialize_buffers(width, height) self.initialize_buffers(width, height)
# pylint: enable=too-many-arguments
def initialize_buffers(self, width, height): def initialize_buffers(self, width, height):
"""Initialize width height stride buffers"""
stride = width stride = width
if stride % 8 != 0: if stride % 8 != 0:
stride += 8 - stride % 8 stride += 8 - stride % 8
@ -80,16 +84,22 @@ class Adafruit_SSD1680(Adafruit_EPD):
self.command(_SSD1680_SW_RESET) self.command(_SSD1680_SW_RESET)
self.busy_wait() self.busy_wait()
self.command(_SSD1680_DRIVER_CONTROL, bytearray([self._height - 1, (self._height - 1) >> 8, 0x00])) self.command(
_SSD1680_DRIVER_CONTROL,
bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]),
)
self.command(_SSD1680_DATA_MODE, bytearray([0x03])) self.command(_SSD1680_DATA_MODE, bytearray([0x03]))
self.command(_SSD1680_SET_RAMXPOS, bytearray([0x01, 0x10])) self.command(_SSD1680_SET_RAMXPOS, bytearray([0x01, 0x10]))
self.command(_SSD1680_SET_RAMYPOS, bytearray([0, 0, self._height - 1, (self._height - 1) >> 8])) self.command(
_SSD1680_SET_RAMYPOS,
bytearray([0, 0, self._height - 1, (self._height - 1) >> 8]),
)
def write_ram(self, index): def write_ram(self, index):
"""Write to RAM for SSD1680.""" """Write to RAM for SSD1680."""
if index == 0: if index == 0:
return self.command(_SSD1680_WRITE_BWRAM, end=False) return self.command(_SSD1680_WRITE_BWRAM, end=False)
elif index == 1: if index == 1:
return self.command(_SSD1680_WRITE_REDRAM, end=False) return self.command(_SSD1680_WRITE_REDRAM, end=False)
else: else:
raise RuntimeError("RAM index must be 0 or 1") raise RuntimeError("RAM index must be 0 or 1")
@ -112,13 +122,15 @@ class Adafruit_SSD1680(Adafruit_EPD):
self.command(_SSD1680_DEEP_SLEEP, bytearray([0x01])) self.command(_SSD1680_DEEP_SLEEP, bytearray([0x01]))
time.sleep(0.1) time.sleep(0.1)
class Adafruit_SSD1680Z(Adafruit_SSD1680): class Adafruit_SSD1680Z(Adafruit_SSD1680):
"""Driver for SSD1680Z ePaper display, overriding SSD1680 settings.""" """Driver for SSD1680Z ePaper display, overriding SSD1680 settings."""
# pylint: disable=too-many-arguments
def __init__(self, width, height, spi, *, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin): def __init__(self, width, height, spi, *, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin):
# Call the parent class's __init__() to initialize attributes
super().__init__(width, height, spi, cs_pin=cs_pin, dc_pin=dc_pin, super().__init__(width, height, spi, cs_pin=cs_pin, dc_pin=dc_pin,
sramcs_pin=sramcs_pin, rst_pin=rst_pin, busy_pin=busy_pin) sramcs_pin=sramcs_pin, rst_pin=rst_pin, busy_pin=busy_pin)
# pylint: enable=too-many-arguments
def power_up(self): def power_up(self):
"""Power up sequence specifically for SSD1680Z.""" """Power up sequence specifically for SSD1680Z."""
@ -127,10 +139,16 @@ class Adafruit_SSD1680Z(Adafruit_SSD1680):
self.command(_SSD1680_SW_RESET) self.command(_SSD1680_SW_RESET)
self.busy_wait() self.busy_wait()
self.command(_SSD1680_DRIVER_CONTROL, bytearray([self._height - 1, (self._height - 1) >> 8, 0x00])) self.command(
_SSD1680_DRIVER_CONTROL,
bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]),
)
self.command(_SSD1680_DATA_MODE, bytearray([0x03])) self.command(_SSD1680_DATA_MODE, bytearray([0x03]))
self.command(_SSD1680_SET_RAMXPOS, bytearray([0x00, (self._width // 8) - 1])) self.command(_SSD1680_SET_RAMXPOS, bytearray([0x00, (self._width // 8) - 1]))
self.command(_SSD1680_SET_RAMYPOS, bytearray([0x00, 0x00, self._height - 1, (self._height - 1) >> 8])) self.command(
_SSD1680_SET_RAMYPOS,
bytearray([0x00, 0x00, self._height - 1, (self._height - 1) >> 8]),
)
def update(self): def update(self):
"""Update the display specifically for SSD1680Z.""" """Update the display specifically for SSD1680Z."""