76 lines
1.9 KiB
Python
76 lines
1.9 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025 Tim Cocks for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
"""
|
|
`adafruit_fruitjam.peripherals`
|
|
================================================================================
|
|
|
|
Hardware peripherals for Adafruit Fruit Jam
|
|
|
|
|
|
* Author(s): Tim Cocks
|
|
|
|
Implementation Notes
|
|
--------------------
|
|
|
|
**Hardware:**
|
|
|
|
* `Adafruit Fruit Jam <url>`_"
|
|
|
|
**Software and Dependencies:**
|
|
|
|
* Adafruit CircuitPython firmware for the supported boards:
|
|
https://circuitpython.org/downloads
|
|
|
|
# * Adafruit's Bus Device library: https://github.com/adafruit/Adafruit_CircuitPython_BusDevice
|
|
|
|
"""
|
|
|
|
import board
|
|
import displayio
|
|
import framebufferio
|
|
import picodvi
|
|
import supervisor
|
|
|
|
__version__ = "0.0.0+auto.0"
|
|
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_FruitJam.git"
|
|
|
|
VALID_DISPLAY_SIZES = {(360, 200), (720, 400), (320, 240), (640, 480)}
|
|
COLOR_DEPTH_LUT = {
|
|
360: 16,
|
|
320: 16,
|
|
720: 8,
|
|
640: 8,
|
|
}
|
|
|
|
|
|
def request_display_config(width, height):
|
|
"""
|
|
Request a display size configuration. If the display is un-initialized,
|
|
or is currently using a different configuration it will be initialized
|
|
to the requested width and height.
|
|
|
|
This function will set the initialized display to ``supervisor.runtime.display``
|
|
|
|
:param width: The width of the display in pixels.
|
|
:param height: The height of the display in pixels.
|
|
:return: None
|
|
"""
|
|
if (width, height) not in VALID_DISPLAY_SIZES:
|
|
raise ValueError(f"Invalid display size. Must be one of: {VALID_DISPLAY_SIZES}")
|
|
|
|
displayio.release_displays()
|
|
fb = picodvi.Framebuffer(
|
|
width,
|
|
height,
|
|
clk_dp=board.CKP,
|
|
clk_dn=board.CKN,
|
|
red_dp=board.D0P,
|
|
red_dn=board.D0N,
|
|
green_dp=board.D1P,
|
|
green_dn=board.D1N,
|
|
blue_dp=board.D2P,
|
|
blue_dn=board.D2N,
|
|
color_depth=COLOR_DEPTH_LUT[width],
|
|
)
|
|
supervisor.runtime.display = framebufferio.FramebufferDisplay(fb)
|