Merge pull request #92 from adafruit/quad_color
adding 2.13" quad color
This commit is contained in:
Liz
GitHub
commit
be77207255
5 changed files with 536 additions and 12 deletions
467
adafruit_epd/jd79661.py
Normal file
467
adafruit_epd/jd79661.py
Normal file
|
|
@ -0,0 +1,467 @@
|
|||
# SPDX-FileCopyrightText: 2025 Liz Clark for Adafruit Industries
|
||||
#
|
||||
# SPDX-License-Identifier: MIT
|
||||
|
||||
"""
|
||||
`adafruit_epd.jd79661` - Adafruit JD79661 - quad-color ePaper display driver
|
||||
====================================================================================
|
||||
CircuitPython driver for Adafruit JD79661 quad-color display breakouts
|
||||
* Author(s): Liz Clark
|
||||
"""
|
||||
|
||||
import time
|
||||
|
||||
import adafruit_framebuf
|
||||
from micropython import const
|
||||
|
||||
from adafruit_epd.epd import Adafruit_EPD
|
||||
|
||||
try:
|
||||
"""Needed for type annotations"""
|
||||
import typing
|
||||
|
||||
from busio import SPI
|
||||
from circuitpython_typing.pil import Image
|
||||
from digitalio import DigitalInOut
|
||||
from typing_extensions import Literal
|
||||
|
||||
except ImportError:
|
||||
pass
|
||||
|
||||
__version__ = "0.0.0+auto.0"
|
||||
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_EPD.git"
|
||||
|
||||
# Command constants
|
||||
_JD79661_PANEL_SETTING = const(0x00)
|
||||
_JD79661_POWER_SETTING = const(0x01)
|
||||
_JD79661_POWER_OFF = const(0x02)
|
||||
_JD79661_POWER_ON = const(0x04)
|
||||
_JD79661_BOOSTER_SOFTSTART = const(0x06)
|
||||
_JD79661_DEEP_SLEEP = const(0x07)
|
||||
_JD79661_DATA_START_XMIT = const(0x10)
|
||||
_JD79661_DISPLAY_REFRESH = const(0x12)
|
||||
_JD79661_PLL_CONTROL = const(0x30)
|
||||
_JD79661_CDI = const(0x50)
|
||||
_JD79661_RESOLUTION = const(0x61)
|
||||
|
||||
# Color constants for internal use (2-bit values)
|
||||
_JD79661_BLACK = const(0b00)
|
||||
_JD79661_WHITE = const(0b01)
|
||||
_JD79661_YELLOW = const(0b10)
|
||||
_JD79661_RED = const(0b11)
|
||||
|
||||
# Other command constants from init sequence
|
||||
_JD79661_POFS = const(0x03)
|
||||
_JD79661_TCON = const(0x60)
|
||||
_JD79661_CMD_E7 = const(0xE7)
|
||||
_JD79661_CMD_E3 = const(0xE3)
|
||||
_JD79661_CMD_B4 = const(0xB4)
|
||||
_JD79661_CMD_B5 = const(0xB5)
|
||||
_JD79661_CMD_E9 = const(0xE9)
|
||||
_JD79661_CMD_4D = const(0x4D)
|
||||
|
||||
|
||||
class Adafruit_JD79661(Adafruit_EPD):
|
||||
"""Driver for the JD79661 quad-color ePaper display breakouts"""
|
||||
|
||||
BLACK = const(0) # 0b00 in the display buffer
|
||||
WHITE = const(1) # 0b01 in the display buffer
|
||||
YELLOW = const(2) # 0b10 in the display buffer
|
||||
RED = const(3) # 0b11 in the display buffer
|
||||
|
||||
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:
|
||||
"""Initialize the quad-color display driver.
|
||||
|
||||
Note: This driver uses a different buffer architecture than the parent class.
|
||||
Instead of separate black and color buffers, it uses a single buffer with
|
||||
2 bits per pixel to represent 4 colors.
|
||||
"""
|
||||
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 / 4)
|
||||
self._buffer2_size = 0 # No second buffer for this display
|
||||
|
||||
if sramcs_pin:
|
||||
self._buffer1 = self.sram.get_view(0)
|
||||
self._buffer2 = self._buffer1
|
||||
else:
|
||||
self._buffer1 = bytearray(self._buffer1_size)
|
||||
self._buffer2 = self._buffer1
|
||||
|
||||
self._framebuf1 = adafruit_framebuf.FrameBuffer(
|
||||
self._buffer1,
|
||||
width,
|
||||
height,
|
||||
stride=stride,
|
||||
buf_format=adafruit_framebuf.MHMSB,
|
||||
)
|
||||
self._framebuf2 = self._framebuf1 # Same framebuffer for compatibility
|
||||
|
||||
# Set single byte transactions
|
||||
self._single_byte_tx = True
|
||||
|
||||
# Set up buffer references for parent class compatibility
|
||||
# Both point to the same buffer since we don't have separate color planes
|
||||
self.set_black_buffer(0, False)
|
||||
self.set_color_buffer(0, False)
|
||||
|
||||
# Initialize with default fill
|
||||
self.fill(Adafruit_JD79661.WHITE)
|
||||
|
||||
def begin(self, reset: bool = True) -> None:
|
||||
"""Begin communication with the display and set basic settings"""
|
||||
if reset:
|
||||
self.hardware_reset()
|
||||
time.sleep(0.1)
|
||||
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. Note: JD79661 busy is HIGH when busy"""
|
||||
if self._busy:
|
||||
while not self._busy.value: # Wait for busy HIGH
|
||||
time.sleep(0.01)
|
||||
else:
|
||||
time.sleep(0.5)
|
||||
|
||||
def power_up(self) -> None:
|
||||
"""Power up the display in preparation for writing RAM and updating"""
|
||||
self.hardware_reset()
|
||||
self.busy_wait()
|
||||
|
||||
# Send initialization sequence
|
||||
time.sleep(0.01) # Wait 10ms
|
||||
|
||||
self.command(_JD79661_CMD_4D, bytearray([0x78]))
|
||||
self.command(
|
||||
_JD79661_PANEL_SETTING, bytearray([0x8F, 0x29])
|
||||
) # PSR, Display resolution is 128x250
|
||||
self.command(_JD79661_POWER_SETTING, bytearray([0x07, 0x00])) # PWR
|
||||
self.command(_JD79661_POFS, bytearray([0x10, 0x54, 0x44])) # POFS
|
||||
self.command(
|
||||
_JD79661_BOOSTER_SOFTSTART, bytearray([0x05, 0x00, 0x3F, 0x0A, 0x25, 0x12, 0x1A])
|
||||
)
|
||||
self.command(_JD79661_CDI, bytearray([0x37])) # CDI
|
||||
self.command(_JD79661_TCON, bytearray([0x02, 0x02])) # TCON
|
||||
self.command(_JD79661_RESOLUTION, bytearray([0, 128, 0, 250])) # TRES
|
||||
self.command(_JD79661_CMD_E7, bytearray([0x1C]))
|
||||
self.command(_JD79661_CMD_E3, bytearray([0x22]))
|
||||
self.command(_JD79661_CMD_B4, bytearray([0xD0]))
|
||||
self.command(_JD79661_CMD_B5, bytearray([0x03]))
|
||||
self.command(_JD79661_CMD_E9, bytearray([0x01]))
|
||||
self.command(_JD79661_PLL_CONTROL, bytearray([0x08]))
|
||||
self.command(_JD79661_POWER_ON)
|
||||
|
||||
self.busy_wait()
|
||||
|
||||
def power_down(self) -> None:
|
||||
"""Power down the display - required when not actively displaying!"""
|
||||
if self._rst:
|
||||
self.command(_JD79661_POWER_OFF, bytearray([0x00]))
|
||||
self.busy_wait()
|
||||
self.command(_JD79661_DEEP_SLEEP, bytearray([0xA5]))
|
||||
time.sleep(0.1)
|
||||
|
||||
def update(self) -> None:
|
||||
"""Update the display from internal memory"""
|
||||
self.command(_JD79661_DISPLAY_REFRESH, bytearray([0x00]))
|
||||
self.busy_wait()
|
||||
if not self._busy:
|
||||
time.sleep(1) # Wait 1 second if no busy pin
|
||||
|
||||
def write_ram(self, index: Literal[0, 1]) -> int:
|
||||
"""Send the one byte command for starting the RAM write process."""
|
||||
# JD79661 uses same command for all data
|
||||
return self.command(_JD79661_DATA_START_XMIT, end=False)
|
||||
|
||||
def set_ram_address(self, x: int, y: int) -> None:
|
||||
"""Set the RAM address location."""
|
||||
# Not used for JD79661
|
||||
pass
|
||||
|
||||
def fill(self, color: int) -> None:
|
||||
"""Fill the entire display with the specified color.
|
||||
|
||||
Args:
|
||||
color: Color value (BLACK, WHITE, YELLOW, or RED)
|
||||
|
||||
Raises:
|
||||
ValueError: If an invalid color is specified
|
||||
"""
|
||||
# Map colors to fill patterns (4 pixels per byte)
|
||||
color_map = {
|
||||
Adafruit_JD79661.BLACK: 0x00, # 0b00000000 - all pixels black
|
||||
Adafruit_JD79661.WHITE: 0x55, # 0b01010101 - all pixels white
|
||||
Adafruit_JD79661.YELLOW: 0xAA, # 0b10101010 - all pixels yellow
|
||||
Adafruit_JD79661.RED: 0xFF, # 0b11111111 - all pixels red
|
||||
}
|
||||
|
||||
if color not in color_map:
|
||||
raise ValueError(
|
||||
f"Invalid color: {color}. Use BLACK (0), WHITE (1), YELLOW (2), or RED (3)."
|
||||
)
|
||||
|
||||
fill_byte = color_map[color]
|
||||
|
||||
if self.sram:
|
||||
self.sram.erase(0x00, self._buffer1_size, fill_byte)
|
||||
else:
|
||||
for i in range(self._buffer1_size):
|
||||
self._buffer1[i] = fill_byte
|
||||
|
||||
def pixel(self, x: int, y: int, color: int) -> None:
|
||||
"""Draw a single pixel in the display buffer.
|
||||
|
||||
Args:
|
||||
x: X coordinate
|
||||
y: Y coordinate
|
||||
color: Color value (BLACK, WHITE, YELLOW, or RED)
|
||||
"""
|
||||
if (x < 0) or (x >= self.width) or (y < 0) or (y >= self.height):
|
||||
return
|
||||
|
||||
# Handle rotation
|
||||
if self.rotation == 1:
|
||||
x, y = y, x
|
||||
x = self._width - x - 1
|
||||
if self._width % 8 != 0:
|
||||
x -= self._width % 8
|
||||
elif self.rotation == 2:
|
||||
x = self._width - x - 1
|
||||
y = self._height - y - 1
|
||||
if self._width % 8 != 0:
|
||||
x += self._width % 8
|
||||
elif self.rotation == 3:
|
||||
x, y = y, x
|
||||
y = self._height - y - 1
|
||||
|
||||
# Calculate stride (width adjusted to be divisible by 8)
|
||||
stride = self._width
|
||||
if stride % 8 != 0:
|
||||
stride += 8 - stride % 8
|
||||
|
||||
# Map color constants to 2-bit values
|
||||
color_map = {
|
||||
Adafruit_JD79661.BLACK: _JD79661_BLACK,
|
||||
Adafruit_JD79661.WHITE: _JD79661_WHITE,
|
||||
Adafruit_JD79661.YELLOW: _JD79661_YELLOW,
|
||||
Adafruit_JD79661.RED: _JD79661_RED,
|
||||
}
|
||||
|
||||
if color not in color_map:
|
||||
# Default to white for invalid colors
|
||||
pixel_color = _JD79661_WHITE
|
||||
else:
|
||||
pixel_color = color_map[color]
|
||||
|
||||
# Calculate byte address (4 pixels per byte)
|
||||
addr = (x + y * stride) // 4
|
||||
|
||||
# Calculate bit offset within byte (2 bits per pixel)
|
||||
# Pixels are packed left-to-right, MSB first
|
||||
bit_offset = (3 - (x % 4)) * 2
|
||||
|
||||
# Create masks
|
||||
byte_mask = 0x3 << bit_offset
|
||||
byte_value = (pixel_color & 0x3) << bit_offset
|
||||
|
||||
# Read, modify, write
|
||||
if self.sram:
|
||||
current = self.sram.read8(addr)
|
||||
current &= ~byte_mask
|
||||
current |= byte_value
|
||||
self.sram.write8(addr, current)
|
||||
else:
|
||||
self._buffer1[addr] &= ~byte_mask
|
||||
self._buffer1[addr] |= byte_value
|
||||
|
||||
def rect(self, x: int, y: int, width: int, height: int, color: int) -> None:
|
||||
"""Draw a rectangle.
|
||||
|
||||
Overridden to use the quad-color pixel method.
|
||||
"""
|
||||
for i in range(x, x + width):
|
||||
self.pixel(i, y, color)
|
||||
self.pixel(i, y + height - 1, color)
|
||||
for j in range(y + 1, y + height - 1):
|
||||
self.pixel(x, j, color)
|
||||
self.pixel(x + width - 1, j, color)
|
||||
|
||||
def fill_rect(self, x: int, y: int, width: int, height: int, color: int) -> None:
|
||||
"""Fill a rectangle with the passed color.
|
||||
|
||||
Overridden to use the quad-color pixel method.
|
||||
"""
|
||||
for i in range(x, x + width):
|
||||
for j in range(y, y + height):
|
||||
self.pixel(i, j, color)
|
||||
|
||||
def line(self, x_0: int, y_0: int, x_1: int, y_1: int, color: int) -> None:
|
||||
"""Draw a line from (x_0, y_0) to (x_1, y_1) in passed color.
|
||||
|
||||
Overridden to use the quad-color pixel method.
|
||||
"""
|
||||
dx = abs(x_1 - x_0)
|
||||
dy = abs(y_1 - y_0)
|
||||
sx = 1 if x_0 < x_1 else -1
|
||||
sy = 1 if y_0 < y_1 else -1
|
||||
err = dx - dy
|
||||
|
||||
while True:
|
||||
self.pixel(x_0, y_0, color)
|
||||
if x_0 == x_1 and y_0 == y_1:
|
||||
break
|
||||
e2 = 2 * err
|
||||
if e2 > -dy:
|
||||
err -= dy
|
||||
x_0 += sx
|
||||
if e2 < dx:
|
||||
err += dx
|
||||
y_0 += sy
|
||||
|
||||
def text(
|
||||
self,
|
||||
string: str,
|
||||
x: int,
|
||||
y: int,
|
||||
color: int,
|
||||
*,
|
||||
font_name: str = "font5x8.bin",
|
||||
size: int = 1,
|
||||
) -> None:
|
||||
"""Write text string at location (x, y) in given color, using font file."""
|
||||
color_map = {
|
||||
Adafruit_JD79661.BLACK: _JD79661_BLACK,
|
||||
Adafruit_JD79661.WHITE: _JD79661_WHITE,
|
||||
Adafruit_JD79661.YELLOW: _JD79661_YELLOW,
|
||||
Adafruit_JD79661.RED: _JD79661_RED,
|
||||
}
|
||||
if color not in color_map:
|
||||
raise ValueError(
|
||||
f"Invalid color: {color}. Use BLACK (0), WHITE (1), YELLOW (2), or RED (3)."
|
||||
)
|
||||
|
||||
text_width = len(string) * 6 * size
|
||||
text_height = 8 * size
|
||||
|
||||
text_width = min(text_width, self.width - x)
|
||||
text_height = min(text_height, self.height - y)
|
||||
|
||||
if text_width <= 0 or text_height <= 0:
|
||||
return
|
||||
|
||||
temp_buf_width = ((text_width + 7) // 8) * 8
|
||||
temp_buf = bytearray((temp_buf_width * text_height) // 8)
|
||||
|
||||
temp_fb = adafruit_framebuf.FrameBuffer(
|
||||
temp_buf, temp_buf_width, text_height, buf_format=adafruit_framebuf.MHMSB
|
||||
)
|
||||
|
||||
temp_fb.fill(0)
|
||||
temp_fb.text(string, 0, 0, 1, font_name=font_name, size=size)
|
||||
|
||||
for j in range(text_height):
|
||||
for i in range(text_width):
|
||||
byte_index = (j * temp_buf_width + i) // 8
|
||||
bit_index = 7 - ((j * temp_buf_width + i) % 8)
|
||||
|
||||
if byte_index < len(temp_buf):
|
||||
if (temp_buf[byte_index] >> bit_index) & 1:
|
||||
self.pixel(x + i, y + j, color)
|
||||
|
||||
def image(self, image: Image) -> None:
|
||||
"""Set buffer to value of Python Imaging Library image. The image should
|
||||
be in RGB mode and a size equal to the display size.
|
||||
"""
|
||||
imwidth, imheight = image.size
|
||||
if imwidth != self.width or imheight != self.height:
|
||||
raise ValueError(
|
||||
f"Image must be same dimensions as display ({self.width}x{self.height})."
|
||||
)
|
||||
if self.sram:
|
||||
raise RuntimeError("PIL image is not for use with SRAM assist")
|
||||
|
||||
# Grab all the pixels from the image, faster than getpixel.
|
||||
pix = image.load()
|
||||
|
||||
# Clear out any display buffers (assuming white background)
|
||||
self.fill(Adafruit_JD79661.WHITE)
|
||||
|
||||
if image.mode == "RGB": # RGB Mode
|
||||
for y in range(image.size[1]):
|
||||
for x in range(image.size[0]):
|
||||
pixel = pix[x, y]
|
||||
r, g, b = pixel[0], pixel[1], pixel[2]
|
||||
|
||||
# Calculate brightness/luminance for better color detection
|
||||
brightness = (r + g + b) / 3
|
||||
|
||||
# Color detection logic with thresholds
|
||||
if brightness >= 200: # Light colors -> White
|
||||
# White is typically the default, so we might not need to set it
|
||||
# self.pixel(x, y, Adafruit_EPD.WHITE)
|
||||
pass
|
||||
elif r >= 128 and g >= 128 and b < 80: # Yellow detection
|
||||
# High red and green, low blue
|
||||
self.pixel(x, y, Adafruit_JD79661.YELLOW)
|
||||
elif r >= 128 and g < 80 and b < 80: # Red detection
|
||||
# High red, low green and blue
|
||||
self.pixel(x, y, Adafruit_JD79661.RED)
|
||||
elif brightness < 80: # Dark colors -> Black
|
||||
# All RGB values are low
|
||||
self.pixel(x, y, Adafruit_JD79661.BLACK)
|
||||
elif r > g and r > b and r >= 100:
|
||||
# Red-dominant
|
||||
self.pixel(x, y, Adafruit_JD79661.RED)
|
||||
elif r >= 100 and g >= 100:
|
||||
# Both red and green high -> Yellow
|
||||
self.pixel(x, y, Adafruit_JD79661.YELLOW)
|
||||
elif brightness < 128:
|
||||
# Medium-dark -> Black
|
||||
self.pixel(x, y, Adafruit_JD79661.BLACK)
|
||||
# else: remains white (default)
|
||||
|
||||
elif image.mode == "L": # Grayscale Mode
|
||||
for y in range(image.size[1]):
|
||||
for x in range(image.size[0]):
|
||||
pixel = pix[x, y]
|
||||
|
||||
# Map grayscale to 4 levels
|
||||
if pixel < 64:
|
||||
self.pixel(x, y, Adafruit_JD79661.BLACK)
|
||||
elif pixel < 128:
|
||||
self.pixel(x, y, Adafruit_JD79661.RED) # Or could use YELLOW
|
||||
elif pixel < 192:
|
||||
self.pixel(x, y, Adafruit_JD79661.YELLOW)
|
||||
# else: pixel >= 192 -> WHITE (default)
|
||||
|
||||
elif image.mode == "P": # Palette Mode (optional, for indexed color)
|
||||
# Convert to RGB first for easier processing
|
||||
rgb_image = image.convert("RGB")
|
||||
self.image(rgb_image) # Recursive call with RGB image
|
||||
|
||||
else:
|
||||
raise ValueError("Image must be in mode RGB, L, or P.")
|
||||
|
||||
def set_black_buffer(self, index: Literal[0, 1], inverted: bool) -> None:
|
||||
"""Set the index for the black buffer data."""
|
||||
super().set_black_buffer(index, inverted)
|
||||
|
||||
def set_color_buffer(self, index: Literal[0, 1], inverted: bool) -> None:
|
||||
"""Set the index for the color buffer data."""
|
||||
super().set_color_buffer(index, inverted)
|
||||
|
|
@ -11,6 +11,7 @@ from adafruit_epd.epd import Adafruit_EPD
|
|||
from adafruit_epd.il0373 import Adafruit_IL0373
|
||||
from adafruit_epd.il0398 import Adafruit_IL0398
|
||||
from adafruit_epd.il91874 import Adafruit_IL91874
|
||||
from adafruit_epd.jd79661 import Adafruit_JD79661
|
||||
from adafruit_epd.ssd1608 import Adafruit_SSD1608
|
||||
from adafruit_epd.ssd1675 import Adafruit_SSD1675
|
||||
from adafruit_epd.ssd1675b import Adafruit_SSD1675B
|
||||
|
|
@ -18,9 +19,6 @@ from adafruit_epd.ssd1680 import Adafruit_SSD1680
|
|||
from adafruit_epd.ssd1681 import Adafruit_SSD1681
|
||||
from adafruit_epd.uc8151d import Adafruit_UC8151D
|
||||
|
||||
# create the spi device and pins we will need
|
||||
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
|
||||
|
||||
# create the spi device and pins we will need
|
||||
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
|
||||
ecs = digitalio.DigitalInOut(board.D4)
|
||||
|
|
@ -32,6 +30,7 @@ busy = digitalio.DigitalInOut(board.D7) # can be None to not use this pin
|
|||
|
||||
# give them all to our driver
|
||||
print("Creating display")
|
||||
# display = Adafruit_JD79661(122, 150, # 2.13" Quad-color display
|
||||
# display = Adafruit_SSD1608(200, 200, # 1.54" HD mono display
|
||||
# display = Adafruit_SSD1680(122, 250, # 2.13" HD Tri-color display
|
||||
# display = Adafruit_SSD1681(200, 200, # 1.54" HD Tri-color display
|
||||
|
|
@ -70,6 +69,7 @@ height = display.height
|
|||
image = Image.new("RGB", (width, height))
|
||||
|
||||
WHITE = (0xFF, 0xFF, 0xFF)
|
||||
YELLOW = (0xFF, 0xFF, 0x00)
|
||||
RED = (0xFF, 0x00, 0x00)
|
||||
BLACK = (0x00, 0x00, 0x00)
|
||||
|
||||
|
|
@ -118,9 +118,15 @@ font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 20)
|
|||
# Some other nice fonts to try: http://www.dafont.com/bitmap.php
|
||||
# font = ImageFont.truetype('Minecraftia.ttf', 8)
|
||||
|
||||
if type(display) == Adafruit_JD79661:
|
||||
# for quad color, test yellow
|
||||
fill = YELLOW
|
||||
else:
|
||||
# otherwise, text is red
|
||||
fill = RED
|
||||
# Write two lines of text.
|
||||
draw.text((x, top), "Hello", font=font, fill=RED)
|
||||
draw.text((x, top + 20), "World!", font=font, fill=RED)
|
||||
draw.text((x, top), "Hello", font=font, fill=fill)
|
||||
draw.text((x, top + 20), "World!", font=font, fill=fill)
|
||||
|
||||
# Display image.
|
||||
display.image(image)
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ from adafruit_epd.ek79686 import Adafruit_EK79686
|
|||
from adafruit_epd.il0373 import Adafruit_IL0373
|
||||
from adafruit_epd.il0398 import Adafruit_IL0398
|
||||
from adafruit_epd.il91874 import Adafruit_IL91874
|
||||
from adafruit_epd.jd79661 import Adafruit_JD79661
|
||||
from adafruit_epd.ssd1608 import Adafruit_SSD1608
|
||||
from adafruit_epd.ssd1675 import Adafruit_SSD1675
|
||||
from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
|
||||
|
|
@ -42,6 +43,7 @@ rst = digitalio.DigitalInOut(board.D27)
|
|||
busy = digitalio.DigitalInOut(board.D17)
|
||||
|
||||
# give them all to our driver
|
||||
# display = Adafruit_JD79661(122, 150, # 2.13" Quad-color display
|
||||
# display = Adafruit_SSD1608(200, 200, # 1.54" HD mono display
|
||||
# display = Adafruit_SSD1675(122, 250, # 2.13" HD mono display
|
||||
# display = Adafruit_SSD1680(122, 250, # 2.13" HD Tri-color or mono display
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ from adafruit_epd.ek79686 import Adafruit_EK79686
|
|||
from adafruit_epd.il0373 import Adafruit_IL0373
|
||||
from adafruit_epd.il0398 import Adafruit_IL0398
|
||||
from adafruit_epd.il91874 import Adafruit_IL91874
|
||||
from adafruit_epd.jd79661 import Adafruit_JD79661
|
||||
from adafruit_epd.ssd1608 import Adafruit_SSD1608
|
||||
from adafruit_epd.ssd1675 import Adafruit_SSD1675
|
||||
from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
|
||||
|
|
@ -32,6 +33,7 @@ rst = digitalio.DigitalInOut(board.D27)
|
|||
busy = digitalio.DigitalInOut(board.D17)
|
||||
|
||||
# give them all to our driver
|
||||
# display = Adafruit_JD79661(122, 150, # 2.13" Quad-color display
|
||||
# display = Adafruit_SSD1608(200, 200, # 1.54" HD mono display
|
||||
# display = Adafruit_SSD1675(122, 250, # 2.13" HD mono display
|
||||
# display = Adafruit_SSD1680(122, 250, # 2.13" HD Tri-color or mono display
|
||||
|
|
@ -86,6 +88,38 @@ image = image.crop((x, y, x + display.width, y + display.height)).convert("RGB")
|
|||
# Convert to Monochrome and Add dithering
|
||||
# image = image.convert("1").convert("L")
|
||||
|
||||
if type(display) == Adafruit_JD79661:
|
||||
# Create a palette with the 4 colors: Black, White, Red, Yellow
|
||||
# The palette needs 768 values (256 colors × 3 channels)
|
||||
palette = []
|
||||
|
||||
# We'll map the 256 palette indices to our 4 colors
|
||||
# 0-63: Black, 64-127: Red, 128-191: Yellow, 192-255: White
|
||||
for i in range(256):
|
||||
if i < 64:
|
||||
palette.extend([0, 0, 0]) # Black
|
||||
elif i < 128:
|
||||
palette.extend([255, 0, 0]) # Red
|
||||
elif i < 192:
|
||||
palette.extend([255, 255, 0]) # Yellow
|
||||
else:
|
||||
palette.extend([255, 255, 255]) # White
|
||||
|
||||
# Create a palette image
|
||||
palette_img = Image.new("P", (1, 1))
|
||||
palette_img.putpalette(palette)
|
||||
|
||||
# Optional: Enhance colors before dithering for better results
|
||||
# from PIL import ImageEnhance
|
||||
# enhancer = ImageEnhance.Color(image)
|
||||
# image = enhancer.enhance(1.5) # Increase color saturation
|
||||
|
||||
# Quantize the image using Floyd-Steinberg dithering
|
||||
image = image.quantize(palette=palette_img, dither=Image.FLOYDSTEINBERG)
|
||||
|
||||
# Convert back to RGB for the display driver
|
||||
image = image.convert("RGB")
|
||||
|
||||
# Display image.
|
||||
display.image(image)
|
||||
display.display()
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@ from adafruit_epd.epd import Adafruit_EPD
|
|||
from adafruit_epd.il0373 import Adafruit_IL0373
|
||||
from adafruit_epd.il0398 import Adafruit_IL0398
|
||||
from adafruit_epd.il91874 import Adafruit_IL91874
|
||||
from adafruit_epd.jd79661 import Adafruit_JD79661
|
||||
from adafruit_epd.ssd1608 import Adafruit_SSD1608
|
||||
from adafruit_epd.ssd1675 import Adafruit_SSD1675
|
||||
from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
|
||||
|
|
@ -26,6 +27,7 @@ busy = digitalio.DigitalInOut(board.D5) # can be None to not use this pin
|
|||
|
||||
# give them all to our drivers
|
||||
print("Creating display")
|
||||
# display = Adafruit_JD79661(122, 150, # 2.13" Quad-color display
|
||||
# display = Adafruit_SSD1608(200, 200, # 1.54" HD mono display
|
||||
# display = Adafruit_SSD1675(122, 250, # 2.13" HD mono display
|
||||
# display = Adafruit_SSD1680(122, 250, # 2.13" HD Tri-color display
|
||||
|
|
@ -58,20 +60,33 @@ display = Adafruit_IL0373(
|
|||
# display.set_color_buffer(1, True)
|
||||
|
||||
display.rotation = 1
|
||||
if type(display) == Adafruit_JD79661:
|
||||
WHITE = Adafruit_JD79661.WHITE
|
||||
BLACK = Adafruit_JD79661.BLACK
|
||||
RED = Adafruit_JD79661.RED
|
||||
YELLOW = Adafruit_JD79661.YELLOW
|
||||
else:
|
||||
WHITE = Adafruit_EPD.WHITE
|
||||
BLACK = Adafruit_EPD.BLACK
|
||||
RED = Adafruit_EPD.RED
|
||||
|
||||
# clear the buffer
|
||||
print("Clear buffer")
|
||||
display.fill(Adafruit_EPD.WHITE)
|
||||
display.pixel(10, 100, Adafruit_EPD.BLACK)
|
||||
display.fill(WHITE)
|
||||
display.pixel(10, 100, BLACK)
|
||||
|
||||
print("Draw Rectangles")
|
||||
display.fill_rect(5, 5, 10, 10, Adafruit_EPD.RED)
|
||||
display.rect(0, 0, 20, 30, Adafruit_EPD.BLACK)
|
||||
display.fill_rect(5, 5, 10, 10, RED)
|
||||
display.rect(0, 0, 20, 30, BLACK)
|
||||
|
||||
print("Draw lines")
|
||||
display.line(0, 0, display.width - 1, display.height - 1, Adafruit_EPD.BLACK)
|
||||
display.line(0, display.height - 1, display.width - 1, 0, Adafruit_EPD.RED)
|
||||
if type(display) == Adafruit_JD79661:
|
||||
display.line(0, 0, display.width - 1, display.height - 1, YELLOW)
|
||||
display.line(0, display.height - 1, display.width - 1, 0, YELLOW)
|
||||
else:
|
||||
display.line(0, 0, display.width - 1, display.height - 1, BLACK)
|
||||
display.line(0, display.height - 1, display.width - 1, 0, RED)
|
||||
|
||||
print("Draw text")
|
||||
display.text("hello world", 25, 10, Adafruit_EPD.BLACK)
|
||||
display.text("hello world", 25, 10, BLACK)
|
||||
display.display()
|
||||
|
|
|
|||
Loading…
Reference in a new issue