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1680z sub-class

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dropped separate ssd1680z lib for a combined 1680 + 1680z.
This commit is contained in:
Mikey Sklar 2024-10-28 12:02:43 -07:00
parent d17ab9ff0f
commit 76814b02ac
2 changed files with 79 additions and 359 deletions
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230
adafruit_epd/ssd1680.py
View file

@ -6,97 +6,42 @@
`adafruit_epd.ssd1680` - Adafruit SSD1680 - ePaper display driver `adafruit_epd.ssd1680` - Adafruit SSD1680 - ePaper display driver
==================================================================================== ====================================================================================
CircuitPython driver for Adafruit SSD1680 display breakouts CircuitPython driver for Adafruit SSD1680 display breakouts
* Author(s): Melissa LeBlanc-Williams * 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
try: # Define all SSD1680 constants
"""Needed for type annotations"""
import typing # pylint: disable=unused-import
from typing_extensions import Literal
from busio import SPI
from digitalio import DigitalInOut
except ImportError:
pass
__version__ = "0.0.0+auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_EPD.git"
_SSD1680_DRIVER_CONTROL = const(0x01) _SSD1680_DRIVER_CONTROL = const(0x01)
_SSD1680_GATE_VOLTAGE = const(0x03)
_SSD1680_SOURCE_VOLTAGE = const(0x04)
_SSD1680_INIT_SETTING = const(0x08)
_SSD1680_INIT_WRITE_REG = const(0x09)
_SSD1680_INIT_READ_REG = const(0x0A)
_SSD1680_BOOSTER_SOFT_START = const(0x0C)
_SSD1680_DEEP_SLEEP = const(0x10)
_SSD1680_DATA_MODE = const(0x11) _SSD1680_DATA_MODE = const(0x11)
_SSD1680_SW_RESET = const(0x12) _SSD1680_SW_RESET = const(0x12)
_SSD1680_HV_DETECT = const(0x14)
_SSD1680_VCI_DETECT = const(0x15)
_SSD1680_TEMP_CONTROL = const(0x18)
_SSD1680_TEMP_WRITE = const(0x1A)
_SSD1680_TEMP_READ = const(0x1B)
_SSD1680_EXTTEMP_WRITE = const(0x1C)
_SSD1680_MASTER_ACTIVATE = const(0x20)
_SSD1680_DISP_CTRL1 = const(0x21)
_SSD1680_DISP_CTRL2 = const(0x22)
_SSD1680_WRITE_BWRAM = const(0x24)
_SSD1680_WRITE_REDRAM = const(0x26)
_SSD1680_READ_RAM = const(0x27)
_SSD1680_VCOM_SENSE = const(0x28)
_SSD1680_VCOM_DURATION = const(0x29)
_SSD1680_WRITE_VCOM_OTP = const(0x2A)
_SSD1680_WRITE_VCOM_CTRL = const(0x2B)
_SSD1680_WRITE_VCOM_REG = const(0x2C)
_SSD1680_READ_OTP = const(0x2D)
_SSD1680_READ_USERID = const(0x2E)
_SSD1680_READ_STATUS = const(0x2F)
_SSD1680_WRITE_WS_OTP = const(0x30)
_SSD1680_LOAD_WS_OTP = const(0x31)
_SSD1680_WRITE_LUT = const(0x32)
_SSD1680_CRC_CALC = const(0x34)
_SSD1680_CRC_READ = const(0x35)
_SSD1680_PROG_OTP = const(0x36)
_SSD1680_WRITE_DISPLAY_OPT = const(0x37)
_SSD1680_WRITE_USERID = const(0x38)
_SSD1680_OTP_PROGMODE = const(0x39)
_SSD1680_WRITE_BORDER = const(0x3C)
_SSD1680_END_OPTION = const(0x3F)
_SSD1680_SET_RAMXPOS = const(0x44) _SSD1680_SET_RAMXPOS = const(0x44)
_SSD1680_SET_RAMYPOS = const(0x45) _SSD1680_SET_RAMYPOS = const(0x45)
_SSD1680_AUTOWRITE_RED = const(0x46) _SSD1680_WRITE_BWRAM = const(0x24)
_SSD1680_AUTOWRITE_BW = const(0x47) _SSD1680_WRITE_REDRAM = const(0x26)
_SSD1680_SET_RAMXCOUNT = const(0x4E) _SSD1680_SET_RAMXCOUNT = const(0x4E)
_SSD1680_SET_RAMYCOUNT = const(0x4F) _SSD1680_SET_RAMYCOUNT = const(0x4F)
_SSD1680_NOP = const(0xFF) _SSD1680_DISP_CTRL2 = const(0x22)
_SSD1680_MASTER_ACTIVATE = const(0x20)
_SSD1680_DEEP_SLEEP = const(0x10)
class Adafruit_SSD1680(Adafruit_EPD): class Adafruit_SSD1680(Adafruit_EPD):
"""driver class for Adafruit SSD1680 ePaper display breakouts""" """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__( super().__init__(width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin)
self,
width: int,
height: int,
spi: SPI,
*,
cs_pin: DigitalInOut,
dc_pin: DigitalInOut,
sramcs_pin: DigitalInOut,
rst_pin: DigitalInOut,
busy_pin: DigitalInOut
) -> None:
super().__init__(
width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin
)
self.cs_pin = cs_pin
self.dc_pin = dc_pin
self.sramcs_pin = sramcs_pin
self.rst_pin = rst_pin
self.busy_pin = busy_pin
self.initialize_buffers(width, height)
def initialize_buffers(self, width, height):
stride = width stride = width
if stride % 8 != 0: if stride % 8 != 0:
stride += 8 - stride % 8 stride += 8 - stride % 8
@ -104,7 +49,7 @@ class Adafruit_SSD1680(Adafruit_EPD):
self._buffer1_size = int(stride * height / 8) self._buffer1_size = int(stride * height / 8)
self._buffer2_size = self._buffer1_size self._buffer2_size = self._buffer1_size
if sramcs_pin: if self.sramcs_pin:
self._buffer1 = self.sram.get_view(0) self._buffer1 = self.sram.get_view(0)
self._buffer2 = self.sram.get_view(self._buffer1_size) self._buffer2 = self.sram.get_view(self._buffer1_size)
else: else:
@ -112,102 +57,85 @@ class Adafruit_SSD1680(Adafruit_EPD):
self._buffer2 = bytearray(self._buffer2_size) self._buffer2 = bytearray(self._buffer2_size)
self._framebuf1 = adafruit_framebuf.FrameBuffer( self._framebuf1 = adafruit_framebuf.FrameBuffer(
self._buffer1, self._buffer1, width, height, buf_format=adafruit_framebuf.MHMSB
width,
height,
stride=stride,
buf_format=adafruit_framebuf.MHMSB,
) )
self._framebuf2 = adafruit_framebuf.FrameBuffer( self._framebuf2 = adafruit_framebuf.FrameBuffer(
self._buffer2, self._buffer2, width, height, buf_format=adafruit_framebuf.MHMSB
width,
height,
stride=stride,
buf_format=adafruit_framebuf.MHMSB,
) )
self.set_black_buffer(0, True) self.set_black_buffer(0, True)
self.set_color_buffer(1, False) self.set_color_buffer(1, False)
# pylint: enable=too-many-arguments
def begin(self, reset: bool = True) -> None: def busy_wait(self):
"""Begin communication with the display and set basic settings""" """Wait for the display to complete its current task."""
if reset: if self.busy_pin:
self.hardware_reset() while self.busy_pin.value:
self.power_down()
def busy_wait(self) -> None:
"""Wait for display to be done with current task, either by polling the
busy pin, or pausing"""
if self._busy:
while self._busy.value:
time.sleep(0.01) time.sleep(0.01)
else: else:
time.sleep(0.5) time.sleep(0.5)
def power_up(self) -> None: def power_up(self):
"""Power up the display in preparation for writing RAM and updating""" """Power up sequence for SSD1680."""
self.hardware_reset() self.hardware_reset()
self.busy_wait() self.busy_wait()
self.command(_SSD1680_SW_RESET) self.command(_SSD1680_SW_RESET)
self.busy_wait() self.busy_wait()
# driver output control
self.command( self.command(_SSD1680_DRIVER_CONTROL, bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]))
_SSD1680_DRIVER_CONTROL,
bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]),
)
# data entry mode
self.command(_SSD1680_DATA_MODE, bytearray([0x03])) self.command(_SSD1680_DATA_MODE, bytearray([0x03]))
# 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]))
# Set ram X start/end postion
self.command(_SSD1680_SET_RAMXPOS, bytearray([0x01, 0x10])) self.command(_SSD1680_SET_RAMXPOS, bytearray([0x01, 0x10]))
# Set ram Y start/end postion 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]),
)
# Set border waveform
self.command(_SSD1680_WRITE_BORDER, bytearray([0x05]))
# Set ram X count def write_ram(self, index):
self.command(_SSD1680_SET_RAMXCOUNT, bytearray([0x01])) """Write to RAM for SSD1680."""
# Set ram Y count if index == 0:
self.command(_SSD1680_SET_RAMYCOUNT, bytearray([self._height - 1, 0])) return self.command(_SSD1680_WRITE_BWRAM, end=False)
elif index == 1:
return self.command(_SSD1680_WRITE_REDRAM, end=False)
else:
raise RuntimeError("RAM index must be 0 or 1")
def set_ram_address(self, x, y):
"""Set RAM address location for SSD1680."""
self.command(_SSD1680_SET_RAMXCOUNT, bytearray([x + 1]))
self.command(_SSD1680_SET_RAMYCOUNT, bytearray([y, y >> 8]))
def update(self):
"""Update the display from internal memory."""
self.command(_SSD1680_DISP_CTRL2, bytearray([0xF4])) # Full update
self.command(_SSD1680_MASTER_ACTIVATE)
self.busy_wait() self.busy_wait()
if not self.busy_pin:
time.sleep(3) # Wait for update to complete
def power_down(self) -> None: def power_down(self):
"""Power down the display - required when not actively displaying!""" """Power down the display."""
self.command(_SSD1680_DEEP_SLEEP, bytearray([0x01])) self.command(_SSD1680_DEEP_SLEEP, bytearray([0x01]))
time.sleep(0.1) time.sleep(0.1)
def update(self) -> None:
"""Update the display from internal memory""" class Adafruit_SSD1680Z(Adafruit_SSD1680):
self.command(_SSD1680_DISP_CTRL2, bytearray([0xF4])) """Driver for SSD1680Z ePaper display, overriding SSD1680 settings."""
def __init__(self, width, height, spi, *, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_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)
def power_up(self):
"""Power up sequence specifically for SSD1680Z."""
self.hardware_reset()
self.busy_wait()
self.command(_SSD1680_SW_RESET)
self.busy_wait()
self.command(_SSD1680_DRIVER_CONTROL, bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]))
self.command(_SSD1680_DATA_MODE, bytearray([0x03]))
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]))
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.command(_SSD1680_MASTER_ACTIVATE)
self.busy_wait() self.busy_wait()
if not self._busy: if not self.busy_pin:
time.sleep(3) # wait 3 seconds time.sleep(3) # Wait for update to complete
def write_ram(self, index: Literal[0, 1]) -> int:
"""Send the one byte command for starting the RAM write process. Returns
the byte read at the same time over SPI. index is the RAM buffer, can be
0 or 1 for tri-color displays."""
if index == 0:
return self.command(_SSD1680_WRITE_BWRAM, end=False)
if index == 1:
return self.command(_SSD1680_WRITE_REDRAM, end=False)
raise RuntimeError("RAM index must be 0 or 1")
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 + 1]))
# Set RAM Y address counter
self.command(_SSD1680_SET_RAMYCOUNT, bytearray([y, y >> 8]))

208
adafruit_epd/ssd1680z.py
View file

@ -1,208 +0,0 @@
# SPDX-FileCopyrightText: 2018 Dean Miller for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
`adafruit_epd.ssd1680z` - Adafruit SSD1680Z - ePaper display driver
====================================================================================
CircuitPython driver for Adafruit SSD1680Z display breakouts
* Author(s): Mikey Sklar Melissa LeBlanc-Williams
"""
import time
from micropython import const
import adafruit_framebuf
from adafruit_epd.epd import Adafruit_EPD
try:
"""Needed for type annotations"""
import typing # pylint: disable=unused-import
from busio import SPI
from digitalio import DigitalInOut
except ImportError:
pass
__version__ = "2.12.3"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_EPD.git"
_SSD1680Z_DRIVER_CONTROL = const(0x01)
_SSD1680Z_GATE_VOLTAGE = const(0x03)
_SSD1680Z_SOURCE_VOLTAGE = const(0x04)
_SSD1680Z_INIT_SETTING = const(0x08)
_SSD1680Z_INIT_WRITE_REG = const(0x09)
_SSD1680Z_INIT_READ_REG = const(0x0A)
_SSD1680Z_BOOSTER_SOFT_START = const(0x0C)
_SSD1680Z_DEEP_SLEEP = const(0x10)
_SSD1680Z_DATA_MODE = const(0x11)
_SSD1680Z_SW_RESET = const(0x12)
_SSD1680Z_HV_DETECT = const(0x14)
_SSD1680Z_VCI_DETECT = const(0x15)
_SSD1680Z_TEMP_CONTROL = const(0x18)
_SSD1680Z_TEMP_WRITE = const(0x1A)
_SSD1680Z_TEMP_READ = const(0x1B)
_SSD1680Z_EXTTEMP_WRITE = const(0x1C)
_SSD1680Z_MASTER_ACTIVATE = const(0x20)
_SSD1680Z_DISP_CTRL1 = const(0x21)
_SSD1680Z_DISP_CTRL2 = const(0x22)
_SSD1680Z_WRITE_BWRAM = const(0x24)
_SSD1680Z_WRITE_REDRAM = const(0x26)
_SSD1680Z_READ_RAM = const(0x27)
_SSD1680Z_VCOM_SENSE = const(0x28)
_SSD1680Z_VCOM_DURATION = const(0x29)
_SSD1680Z_WRITE_VCOM_OTP = const(0x2A)
_SSD1680Z_WRITE_VCOM_CTRL = const(0x2B)
_SSD1680Z_WRITE_VCOM_REG = const(0x2C)
_SSD1680Z_READ_OTP = const(0x2D)
_SSD1680Z_READ_USERID = const(0x2E)
_SSD1680Z_READ_STATUS = const(0x2F)
_SSD1680Z_WRITE_WS_OTP = const(0x30)
_SSD1680Z_LOAD_WS_OTP = const(0x31)
_SSD1680Z_WRITE_LUT = const(0x32)
_SSD1680Z_CRC_CALC = const(0x34)
_SSD1680Z_CRC_READ = const(0x35)
_SSD1680Z_PROG_OTP = const(0x36)
_SSD1680Z_WRITE_DISPLAY_OPT = const(0x37)
_SSD1680Z_WRITE_USERID = const(0x38)
_SSD1680Z_OTP_PROGMODE = const(0x39)
_SSD1680Z_WRITE_BORDER = const(0x3C)
_SSD1680Z_END_OPTION = const(0x3F)
_SSD1680Z_SET_RAMXPOS = const(0x44)
_SSD1680Z_SET_RAMYPOS = const(0x45)
_SSD1680Z_AUTOWRITE_RED = const(0x46)
_SSD1680Z_AUTOWRITE_BW = const(0x47)
_SSD1680Z_SET_RAMXCOUNT = const(0x4E)
_SSD1680Z_SET_RAMYCOUNT = const(0x4F)
_SSD1680Z_NOP = const(0xFF)
class Adafruit_SSD1680Z(Adafruit_EPD):
"""driver class for Adafruit SSD1680Z ePaper display breakouts"""
# pylint: disable=too-many-arguments
def __init__(
self,
width: int,
height: int,
spi: SPI,
*,
cs_pin: DigitalInOut,
dc_pin: DigitalInOut,
sramcs_pin: DigitalInOut,
rst_pin: DigitalInOut,
busy_pin: DigitalInOut
) -> None:
super().__init__(
width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin
)
stride = width
if stride % 8 != 0:
stride += 8 - stride % 8
self._buffer1_size = int(stride * height / 8)
self._buffer2_size = self._buffer1_size
if sramcs_pin:
self._buffer1 = self.sram.get_view(0)
self._buffer2 = self.sram.get_view(self._buffer1_size)
else:
self._buffer1 = bytearray(self._buffer1_size)
self._buffer2 = bytearray(self._buffer2_size)
self._framebuf1 = adafruit_framebuf.FrameBuffer(
self._buffer1,
width,
height,
stride=stride,
buf_format=adafruit_framebuf.MHMSB,
)
self._framebuf2 = adafruit_framebuf.FrameBuffer(
self._buffer2,
width,
height,
stride=stride,
buf_format=adafruit_framebuf.MHMSB,
)
self.set_black_buffer(0, True)
self.set_color_buffer(1, False)
# pylint: enable=too-many-arguments
def begin(self, reset: bool = True) -> None:
"""Begin communication with the display and set basic settings"""
if reset:
self.hardware_reset()
self.power_down()
def busy_wait(self) -> None:
"""Wait for display to be done with current task, either by polling the
busy pin, or pausing"""
if self._busy:
while self._busy.value:
time.sleep(0.01)
else:
time.sleep(0.5)
def power_up(self) -> None:
"""Power up the display and set basic settings for SSD1680Z"""
self.hardware_reset()
self.busy_wait()
# Send a software reset command
self.command(_SSD1680Z_SW_RESET)
self.busy_wait()
# Driver output control for SSD1680Z
self.command(
_SSD1680Z_DRIVER_CONTROL,
bytearray([self._height - 1, (self._height - 1) >> 8, 0x00]),
)
# Set data entry mode
self.command(_SSD1680Z_DATA_MODE, bytearray([0x03])) # Increment X and Y
# Set RAM X and Y start/end positions
self.command(_SSD1680Z_SET_RAMXPOS, bytearray([0x00, (self._width // 8) - 1]))
self.command(
_SSD1680Z_SET_RAMYPOS,
bytearray([0x00, 0x00, self._height - 1, (self._height - 1) >> 8]),
)
# Set RAM X and Y count start
self.command(_SSD1680Z_SET_RAMXCOUNT, bytearray([0x00]))
self.command(_SSD1680Z_SET_RAMYCOUNT, bytearray([0x00, 0x00]))
# Set border waveform control
self.command(_SSD1680Z_WRITE_BORDER, bytearray([0x80]))
self.busy_wait()
def power_down(self) -> None:
"""Power down the display - required when not actively displaying!"""
self.command(_SSD1680Z_DEEP_SLEEP, bytearray([0x01]))
time.sleep(0.1)
def update(self) -> None:
"""Activate display update for SSD1680Z"""
self.command(_SSD1680Z_DISP_CTRL2, bytearray([0xF7])) # Full update
self.command(_SSD1680Z_MASTER_ACTIVATE)
self.busy_wait()
if not self._busy:
time.sleep(3) # Wait for update to complete
def write_ram(self, index: int) -> int:
"""Write to RAM for SSD1680Z."""
if index == 0:
return self.command(_SSD1680Z_WRITE_BWRAM, end=False)
if index == 1:
return self.command(_SSD1680Z_WRITE_REDRAM, end=False)
raise RuntimeError("RAM index must be 0 or 1")
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(_SSD1680Z_SET_RAMXCOUNT, bytearray([x + 1]))
# Set RAM Y address counter
self.command(_SSD1680Z_SET_RAMYCOUNT, bytearray([y, y >> 8]))