adafruit-mirror/Adafruit_CircuitPython_JD79661
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add display ruler bitmap
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Liz 2025-08-05 19:42:10 -04:00 committed by GitHub
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5 changed files with 14 additions and 17 deletions
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12
README.rst
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@ -95,7 +95,6 @@ Usage Example
import time import time
import board import board
import busio
import displayio import displayio
from fourwire import FourWire from fourwire import FourWire
@ -103,12 +102,11 @@ Usage Example
displayio.release_displays() displayio.release_displays()
# This pinout works on a MagTag with the newer screen and may need to be altered for other boards. spi = board.SPI()
spi = busio.SPI(board.EPD_SCK, board.EPD_MOSI) # Uses SCK and MOSI epd_cs = board.D9
epd_cs = board.EPD_CS epd_dc = board.D10
epd_dc = board.EPD_DC epd_reset = board.D6
epd_reset = board.EPD_RESET epd_busy = board.D5
epd_busy = board.EPD_BUSY
display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000) display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
time.sleep(1) time.sleep(1)

2
adafruit_jd79661.py
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@ -119,7 +119,7 @@ class JD79661(EPaperDisplay):
start_sequence[res_pos + 4] = (width >> 8) & 0xFF start_sequence[res_pos + 4] = (width >> 8) & 0xFF
start_sequence[res_pos + 5] = width & 0xFF start_sequence[res_pos + 5] = width & 0xFF
print(start_sequence.hex(" ")) # print(start_sequence.hex(" "))
super().__init__( super().__init__(
bus, bus,

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examples/display-ruler-640x360.bmp Normal file
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2
examples/display-ruler-640x360.bmp.license Normal file
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@ -0,0 +1,2 @@
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

15
examples/jd79661_simpletest.py
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@ -1,14 +1,12 @@
# SPDX-FileCopyrightText: 2025 Scott Shawcroft, written for Adafruit Industries # SPDX-FileCopyrightText: 2025 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Melissa LeBlanc-Williams for Adafruit Industries
# #
# SPDX-License-Identifier: Unlicense # SPDX-License-Identifier: Unlicense
"""Simple test script for 2.9" 296x128 display. This example runs it in mono mode.""" """Simple test script for 2.13" Quad Color Display"""
import time import time
import board import board
import busio
import displayio import displayio
from fourwire import FourWire from fourwire import FourWire
@ -16,12 +14,11 @@ import adafruit_jd79661
displayio.release_displays() displayio.release_displays()
# This pinout works on a MagTag with the newer screen and may need to be altered for other boards. spi = board.SPI()
spi = busio.SPI(board.EPD_SCK, board.EPD_MOSI) # Uses SCK and MOSI epd_cs = board.D9
epd_cs = board.EPD_CS epd_dc = board.D10
epd_dc = board.EPD_DC epd_reset = board.D6
epd_reset = board.EPD_RESET epd_busy = board.D5
epd_busy = board.EPD_BUSY
display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000) display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
time.sleep(1) time.sleep(1)