Adding Essentials code for RFM and DVI Feathers.

This commit is contained in:
Kattni Rembor 2023-04-10 18:33:35 -04:00
parent e3d4a7172f
commit e6d56151a4
15 changed files with 375 additions and 2 deletions

View file

@ -0,0 +1,28 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython I2S Tone playback example.
Plays a tone for one second on, one second off, in a loop.
"""
import time
import array
import math
import audiocore
import board
import audiobusio
audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
tone_volume = 0.1 # Increase this to increase the volume of the tone.
frequency = 440 # Set this to the Hz of the tone you want to generate.
length = 8000 // frequency
sine_wave = array.array("h", [0] * length)
for i in range(length):
sine_wave[i] = int((math.sin(math.pi * 2 * i / length)) * tone_volume * (2 ** 15 - 1))
sine_wave_sample = audiocore.RawSample(sine_wave)
while True:
audio.play(sine_wave_sample, loop=True)
time.sleep(1)
audio.stop()
time.sleep(1)

Binary file not shown.

View file

@ -0,0 +1,21 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython I2S WAV file playback.
Plays a WAV file once.
"""
import audiocore
import board
import audiobusio
audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
with open("StreetChicken.wav", "rb") as wave_file:
wav = audiocore.WaveFile(wave_file)
print("Playing wav file!")
audio.play(wav)
while audio.playing:
pass
print("Done!")

View file

@ -0,0 +1,14 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Essentials Storage CP Filesystem boot.py file
"""
import board
import digitalio
import storage
button = digitalio.DigitalInOut(board.BUTTON)
button.switch_to_input(pull=digitalio.Pull.UP)
# If the button is connected to ground, the filesystem is writable by CircuitPython
storage.remount("/", readonly=button.value)

View file

@ -0,0 +1,80 @@
# SPDX-FileCopyrightText: Copyright (c) 2022 Dan Halbert for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2023 Kattni Rembor for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
CircuitPython asyncio example for two NeoPixel rings and one button.
"""
import asyncio
import board
import neopixel
import keypad
from rainbowio import colorwheel
button_pin = board.BUTTON # The pin the button is connected to.
num_pixels = 16 # The number of NeoPixels on a single ring.
brightness = 0.2 # The LED brightness.
# Set up NeoPixel rings.
ring_one = neopixel.NeoPixel(board.A1, num_pixels, brightness=brightness, auto_write=False)
ring_two = neopixel.NeoPixel(board.A2, num_pixels, brightness=brightness, auto_write=False)
class AnimationControls:
"""The controls to allow you to vary the rainbow and blink animations."""
def __init__(self):
self.reverse = False
self.wait = 0.0
self.delay = 0.5
async def rainbow_cycle(controls):
"""Rainbow cycle animation on ring one."""
while True:
for j in range(255, -1, -1) if controls.reverse else range(0, 256, 1):
for i in range(num_pixels):
rc_index = (i * 256 // num_pixels) + j
ring_one[i] = colorwheel(rc_index & 255)
ring_one.show()
await asyncio.sleep(controls.wait)
async def blink(controls):
"""Blink animation on ring two."""
while True:
ring_two.fill((0, 0, 255))
ring_two.show()
await asyncio.sleep(controls.delay)
ring_two.fill((0, 0, 0))
ring_two.show()
await asyncio.sleep(controls.delay)
await asyncio.sleep(controls.wait)
async def monitor_button(button, controls):
"""Monitor button that reverses rainbow direction and changes blink speed.
Assume button is active low.
"""
with keypad.Keys((button,), value_when_pressed=False, pull=True) as key:
while True:
key_event = key.events.get()
if key_event:
if key_event.pressed:
controls.reverse = True
controls.delay = 0.1
elif key_event.released:
controls.reverse = False
controls.delay = 0.5
await asyncio.sleep(0)
async def main():
animation_controls = AnimationControls()
button_task = asyncio.create_task(monitor_button(button_pin, animation_controls))
animation_task = asyncio.create_task(rainbow_cycle(animation_controls))
blink_task = asyncio.create_task(blink(animation_controls))
# This will run forever, because no tasks ever finish.
await asyncio.gather(button_task, animation_task, blink_task)
asyncio.run(main())

View file

@ -0,0 +1,15 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Capacitive Touch Pin Example - Print to the serial console when one pin is touched.
"""
import time
import board
import touchio
touch = touchio.TouchIn(board.A3)
while True:
if touch.value:
print("Pin touched!")
time.sleep(0.1)

View file

@ -0,0 +1,18 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Capacitive Two Touch Pin Example - Print to the serial console when a pin is touched.
"""
import time
import board
import touchio
touch_one = touchio.TouchIn(board.A3)
touch_two = touchio.TouchIn(board.D24)
while True:
if touch_one.value:
print("Pin one touched!")
if touch_two.value:
print("Pin two touched!")
time.sleep(0.1)

View file

@ -0,0 +1,29 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython I2S Tone playback example.
Plays a tone for one second on, one
second off, in a loop.
"""
import time
import array
import math
import audiocore
import board
import audiobusio
audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
tone_volume = 0.1 # Increase this to increase the volume of the tone.
frequency = 440 # Set this to the Hz of the tone you want to generate.
length = 8000 // frequency
sine_wave = array.array("h", [0] * length)
for i in range(length):
sine_wave[i] = int((math.sin(math.pi * 2 * i / length)) * tone_volume * (2 ** 15 - 1))
sine_wave_sample = audiocore.RawSample(sine_wave)
while True:
audio.play(sine_wave_sample, loop=True)
time.sleep(1)
audio.stop()
time.sleep(1)

View file

@ -0,0 +1,21 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython I2S WAV file playback.
Plays a WAV file once.
"""
import audiocore
import board
import audiobusio
audio = audiobusio.I2SOut(board.A0, board.A1, board.A2)
with open("StreetChicken.wav", "rb") as wave_file:
wav = audiocore.WaveFile(wave_file)
print("Playing wav file!")
audio.play(wav)
while audio.playing:
pass
print("Done!")

View file

@ -0,0 +1,14 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Essentials Storage CP Filesystem boot.py file
"""
import board
import digitalio
import storage
button = digitalio.DigitalInOut(board.BUTTON)
button.switch_to_input(pull=digitalio.Pull.UP)
# If the OBJECT_NAME is connected to ground, the filesystem is writable by CircuitPython
storage.remount("/", readonly=button.value)

View file

@ -0,0 +1,37 @@
# SPDX-FileCopyrightText: 2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Essentials Storage CP Filesystem code.py file
"""
import time
import board
import digitalio
import microcontroller
led = digitalio.DigitalInOut(board.LED)
led.switch_to_output()
try:
with open("/temperature.txt", "a") as temp_log:
while True:
# The microcontroller temperature in Celsius. Include the
# math to do the C to F conversion here, if desired.
temperature = microcontroller.cpu.temperature
# Write the temperature to the temperature.txt file every 10 seconds.
temp_log.write('{0:.2f}\n'.format(temperature))
temp_log.flush()
# Blink the LED on every write...
led.value = True
time.sleep(1) # ...for one second.
led.value = False # Then turn it off...
time.sleep(9) # ...for the other 9 seconds.
except OSError as e: # When the filesystem is NOT writable by CircuitPython...
delay = 0.5 # ...blink the LED every half second.
if e.args[0] == 28: # If the file system is full...
delay = 0.15 # ...blink the LED every 0.15 seconds!
while True:
led.value = not led.value
time.sleep(delay)

View file

@ -0,0 +1,80 @@
# SPDX-FileCopyrightText: Copyright (c) 2022 Dan Halbert for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2023 Kattni Rembor for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
CircuitPython asyncio example for two NeoPixel rings and one button.
"""
import asyncio
import board
import neopixel
import keypad
from rainbowio import colorwheel
button_pin = board.BUTTON # The pin the button is connected to.
num_pixels = 16 # The number of NeoPixels on a single ring.
brightness = 0.2 # The LED brightness.
# Set up NeoPixel rings.
ring_one = neopixel.NeoPixel(board.A1, num_pixels, brightness=brightness, auto_write=False)
ring_two = neopixel.NeoPixel(board.A2, num_pixels, brightness=brightness, auto_write=False)
class AnimationControls:
"""The controls to allow you to vary the rainbow and blink animations."""
def __init__(self):
self.reverse = False
self.wait = 0.0
self.delay = 0.5
async def rainbow_cycle(controls):
"""Rainbow cycle animation on ring one."""
while True:
for j in range(255, -1, -1) if controls.reverse else range(0, 256, 1):
for i in range(num_pixels):
rc_index = (i * 256 // num_pixels) + j
ring_one[i] = colorwheel(rc_index & 255)
ring_one.show()
await asyncio.sleep(controls.wait)
async def blink(controls):
"""Blink animation on ring two."""
while True:
ring_two.fill((0, 0, 255))
ring_two.show()
await asyncio.sleep(controls.delay)
ring_two.fill((0, 0, 0))
ring_two.show()
await asyncio.sleep(controls.delay)
await asyncio.sleep(controls.wait)
async def monitor_button(button, controls):
"""Monitor button that reverses rainbow direction and changes blink speed.
Assume button is active low.
"""
with keypad.Keys((button,), value_when_pressed=False, pull=True) as key:
while True:
key_event = key.events.get()
if key_event:
if key_event.pressed:
controls.reverse = True
controls.delay = 0.1
elif key_event.released:
controls.reverse = False
controls.delay = 0.5
await asyncio.sleep(0)
async def main():
animation_controls = AnimationControls()
button_task = asyncio.create_task(monitor_button(button_pin, animation_controls))
animation_task = asyncio.create_task(rainbow_cycle(animation_controls))
blink_task = asyncio.create_task(blink(animation_controls))
# This will run forever, because no tasks ever finish.
await asyncio.gather(button_task, animation_task, blink_task)
asyncio.run(main())

View file

@ -1,4 +1,4 @@
# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
# SPDX-FileCopyrightText: 2021-2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
CircuitPython Touch-Compatible Pin Identification Script
@ -45,6 +45,14 @@ def get_pin_names():
"ACCELEROMETER_SCL",
"MICROPHONE_CLOCK",
"MICROPHONE_DATA",
"RFM_RST",
"RFM_CS",
"RFM_IO0",
"RFM_IO1",
"RFM_IO2",
"RFM_IO3",
"RFM_IO4",
"RFM_IO5",
]
pins = [
pin

View file

@ -1,4 +1,4 @@
# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
# SPDX-FileCopyrightText: 2021-2023 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""CircuitPython I2C possible pin-pair identifying script"""
import board
@ -35,6 +35,14 @@ def get_unique_pins():
"VOLTAGE_MONITOR",
"MICROPHONE_CLOCK",
"MICROPHONE_DATA",
"RFM_RST",
"RFM_CS",
"RFM_IO0",
"RFM_IO1",
"RFM_IO2",
"RFM_IO3",
"RFM_IO4",
"RFM_IO5",
]
if p in dir(board)
]