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Merge pull request #2473 from kattni/feather-rp2040-rfm-dvi
Adding Templated Essentials code for RP4040 RFM and DVI Feathers.
2 parents e3d4a71 + e6d5615 commit d74e01f

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15 files changed

+375
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‎Adafruit_Feather_RP2040_DVI/I2S/Tone/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython I2S Tone playback example.
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Plays a tone for one second on, one second off, in a loop.
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"""
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import time
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import array
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import math
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import audiocore
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import board
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import audiobusio
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audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
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tone_volume = 0.1 # Increase this to increase the volume of the tone.
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frequency = 440 # Set this to the Hz of the tone you want to generate.
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length = 8000 // frequency
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sine_wave = array.array("h", [0] * length)
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for i in range(length):
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sine_wave[i] = int((math.sin(math.pi * 2 * i / length)) * tone_volume * (2 ** 15 - 1))
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sine_wave_sample = audiocore.RawSample(sine_wave)
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while True:
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audio.play(sine_wave_sample, loop=True)
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time.sleep(1)
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audio.stop()
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time.sleep(1)

‎Adafruit_Feather_RP2040_DVI/I2S/WAV/StreetChicken.wav

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‎Adafruit_Feather_RP2040_DVI/I2S/WAV/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython I2S WAV file playback.
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Plays a WAV file once.
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"""
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import audiocore
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import board
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import audiobusio
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audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
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with open("StreetChicken.wav", "rb") as wave_file:
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wav = audiocore.WaveFile(wave_file)
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print("Playing wav file!")
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audio.play(wav)
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while audio.playing:
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pass
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print("Done!")

‎Adafruit_Feather_RP2040_DVI/Storage/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Essentials Storage CP Filesystem boot.py file
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"""
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import board
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import digitalio
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import storage
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button = digitalio.DigitalInOut(board.BUTTON)
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button.switch_to_input(pull=digitalio.Pull.UP)
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# If the button is connected to ground, the filesystem is writable by CircuitPython
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storage.remount("/", readonly=button.value)

‎Adafruit_Feather_RP2040_DVI/asyncio/code.py

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# SPDX-FileCopyrightText: Copyright (c) 2022 Dan Halbert for Adafruit Industries
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# SPDX-FileCopyrightText: Copyright (c) 2023 Kattni Rembor for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython asyncio example for two NeoPixel rings and one button.
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"""
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import asyncio
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import board
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import neopixel
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import keypad
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from rainbowio import colorwheel
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button_pin = board.BUTTON # The pin the button is connected to.
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num_pixels = 16 # The number of NeoPixels on a single ring.
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brightness = 0.2 # The LED brightness.
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# Set up NeoPixel rings.
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ring_one = neopixel.NeoPixel(board.A1, num_pixels, brightness=brightness, auto_write=False)
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ring_two = neopixel.NeoPixel(board.A2, num_pixels, brightness=brightness, auto_write=False)
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class AnimationControls:
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"""The controls to allow you to vary the rainbow and blink animations."""
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def __init__(self):
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self.reverse = False
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self.wait = 0.0
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self.delay = 0.5
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async def rainbow_cycle(controls):
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"""Rainbow cycle animation on ring one."""
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while True:
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for j in range(255, -1, -1) if controls.reverse else range(0, 256, 1):
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for i in range(num_pixels):
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rc_index = (i * 256 // num_pixels) + j
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ring_one[i] = colorwheel(rc_index & 255)
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ring_one.show()
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await asyncio.sleep(controls.wait)
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async def blink(controls):
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"""Blink animation on ring two."""
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while True:
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ring_two.fill((0, 0, 255))
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ring_two.show()
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await asyncio.sleep(controls.delay)
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ring_two.fill((0, 0, 0))
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ring_two.show()
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await asyncio.sleep(controls.delay)
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await asyncio.sleep(controls.wait)
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async def monitor_button(button, controls):
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"""Monitor button that reverses rainbow direction and changes blink speed.
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Assume button is active low.
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"""
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with keypad.Keys((button,), value_when_pressed=False, pull=True) as key:
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while True:
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key_event = key.events.get()
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if key_event:
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if key_event.pressed:
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controls.reverse = True
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controls.delay = 0.1
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elif key_event.released:
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controls.reverse = False
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controls.delay = 0.5
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await asyncio.sleep(0)
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async def main():
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animation_controls = AnimationControls()
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button_task = asyncio.create_task(monitor_button(button_pin, animation_controls))
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animation_task = asyncio.create_task(rainbow_cycle(animation_controls))
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blink_task = asyncio.create_task(blink(animation_controls))
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# This will run forever, because no tasks ever finish.
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await asyncio.gather(button_task, animation_task, blink_task)
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asyncio.run(main())

‎Adafruit_Feather_RP2040_RFM69/Capacitive_Touch/One_Pin/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Capacitive Touch Pin Example - Print to the serial console when one pin is touched.
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"""
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import time
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import board
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import touchio
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touch = touchio.TouchIn(board.A3)
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while True:
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if touch.value:
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print("Pin touched!")
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time.sleep(0.1)

‎Adafruit_Feather_RP2040_RFM69/Capacitive_Touch/Two_Pins/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Capacitive Two Touch Pin Example - Print to the serial console when a pin is touched.
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"""
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import time
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import board
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import touchio
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touch_one = touchio.TouchIn(board.A3)
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touch_two = touchio.TouchIn(board.D24)
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while True:
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if touch_one.value:
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print("Pin one touched!")
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if touch_two.value:
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print("Pin two touched!")
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time.sleep(0.1)

‎Adafruit_Feather_RP2040_RFM69/I2S/Tone/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython I2S Tone playback example.
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Plays a tone for one second on, one
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second off, in a loop.
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"""
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import time
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import array
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import math
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import audiocore
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import board
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import audiobusio
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audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
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tone_volume = 0.1 # Increase this to increase the volume of the tone.
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frequency = 440 # Set this to the Hz of the tone you want to generate.
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length = 8000 // frequency
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sine_wave = array.array("h", [0] * length)
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for i in range(length):
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sine_wave[i] = int((math.sin(math.pi * 2 * i / length)) * tone_volume * (2 ** 15 - 1))
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sine_wave_sample = audiocore.RawSample(sine_wave)
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while True:
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audio.play(sine_wave_sample, loop=True)
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time.sleep(1)
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audio.stop()
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time.sleep(1)

‎Adafruit_Feather_RP2040_RFM69/I2S/WAV/StreetChicken.wav

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‎Adafruit_Feather_RP2040_RFM69/I2S/WAV/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython I2S WAV file playback.
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Plays a WAV file once.
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"""
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import audiocore
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import board
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import audiobusio
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audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
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with open("StreetChicken.wav", "rb") as wave_file:
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wav = audiocore.WaveFile(wave_file)
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print("Playing wav file!")
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audio.play(wav)
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while audio.playing:
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pass
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print("Done!")

‎Adafruit_Feather_RP2040_RFM69/Storage/boot.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Essentials Storage CP Filesystem boot.py file
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"""
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import board
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import digitalio
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import storage
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button = digitalio.DigitalInOut(board.BUTTON)
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button.switch_to_input(pull=digitalio.Pull.UP)
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# If the OBJECT_NAME is connected to ground, the filesystem is writable by CircuitPython
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storage.remount("/", readonly=button.value)

‎Adafruit_Feather_RP2040_RFM69/Storage/code.py

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# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Essentials Storage CP Filesystem code.py file
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"""
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import time
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import board
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import digitalio
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import microcontroller
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led = digitalio.DigitalInOut(board.LED)
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led.switch_to_output()
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try:
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with open("/temperature.txt", "a") as temp_log:
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while True:
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# The microcontroller temperature in Celsius. Include the
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# math to do the C to F conversion here, if desired.
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temperature = microcontroller.cpu.temperature
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# Write the temperature to the temperature.txt file every 10 seconds.
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temp_log.write('{0:.2f}\n'.format(temperature))
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temp_log.flush()
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# Blink the LED on every write...
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led.value = True
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time.sleep(1) # ...for one second.
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led.value = False # Then turn it off...
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time.sleep(9) # ...for the other 9 seconds.
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except OSError as e: # When the filesystem is NOT writable by CircuitPython...
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delay = 0.5 # ...blink the LED every half second.
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if e.args[0] == 28: # If the file system is full...
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delay = 0.15 # ...blink the LED every 0.15 seconds!
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while True:
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led.value = not led.value
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time.sleep(delay)

‎Adafruit_Feather_RP2040_RFM69/asyncio/code.py

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# SPDX-FileCopyrightText: Copyright (c) 2022 Dan Halbert for Adafruit Industries
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# SPDX-FileCopyrightText: Copyright (c) 2023 Kattni Rembor for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython asyncio example for two NeoPixel rings and one button.
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"""
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import asyncio
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import board
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import neopixel
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import keypad
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from rainbowio import colorwheel
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button_pin = board.BUTTON # The pin the button is connected to.
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num_pixels = 16 # The number of NeoPixels on a single ring.
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brightness = 0.2 # The LED brightness.
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# Set up NeoPixel rings.
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ring_one = neopixel.NeoPixel(board.A1, num_pixels, brightness=brightness, auto_write=False)
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ring_two = neopixel.NeoPixel(board.A2, num_pixels, brightness=brightness, auto_write=False)
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class AnimationControls:
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"""The controls to allow you to vary the rainbow and blink animations."""
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def __init__(self):
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self.reverse = False
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self.wait = 0.0
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self.delay = 0.5
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async def rainbow_cycle(controls):
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"""Rainbow cycle animation on ring one."""
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while True:
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for j in range(255, -1, -1) if controls.reverse else range(0, 256, 1):
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for i in range(num_pixels):
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rc_index = (i * 256 // num_pixels) + j
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ring_one[i] = colorwheel(rc_index & 255)
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ring_one.show()
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await asyncio.sleep(controls.wait)
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async def blink(controls):
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"""Blink animation on ring two."""
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while True:
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ring_two.fill((0, 0, 255))
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ring_two.show()
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await asyncio.sleep(controls.delay)
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ring_two.fill((0, 0, 0))
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ring_two.show()
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await asyncio.sleep(controls.delay)
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await asyncio.sleep(controls.wait)
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async def monitor_button(button, controls):
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"""Monitor button that reverses rainbow direction and changes blink speed.
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Assume button is active low.
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"""
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with keypad.Keys((button,), value_when_pressed=False, pull=True) as key:
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while True:
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key_event = key.events.get()
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if key_event:
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if key_event.pressed:
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controls.reverse = True
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controls.delay = 0.1
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elif key_event.released:
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controls.reverse = False
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controls.delay = 0.5
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await asyncio.sleep(0)
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async def main():
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animation_controls = AnimationControls()
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button_task = asyncio.create_task(monitor_button(button_pin, animation_controls))
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animation_task = asyncio.create_task(rainbow_cycle(animation_controls))
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blink_task = asyncio.create_task(blink(animation_controls))
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# This will run forever, because no tasks ever finish.
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await asyncio.gather(button_task, animation_task, blink_task)
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asyncio.run(main())

‎CircuitPython_Templates/cap_touch_pin_script/code.py

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# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
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# SPDX-FileCopyrightText: 2021-2023 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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CircuitPython Touch-Compatible Pin Identification Script
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"ACCELEROMETER_SCL",
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"MICROPHONE_CLOCK",
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"MICROPHONE_DATA",
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"RFM_RST",
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"RFM_CS",
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"RFM_IO0",
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"RFM_IO1",
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"RFM_IO2",
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"RFM_IO3",
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"RFM_IO4",
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"RFM_IO5",
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]
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pins = [
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pin

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