This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import array | |
import math | |
import time | |
import audiobusio | |
import board | |
import time | |
import neopixel | |
from adafruit_circuitplayground import cp | |
pixels = cp.pixels | |
def genRainbowColourValue(pos): | |
if pos < 0 or pos > 255: | |
return (0, 0, 0) | |
if pos < 85: | |
return (255 - pos * 3, pos * 3, 0) | |
if pos < 170: | |
pos -= 85 | |
return (0, 255 - pos * 3, pos * 3) | |
pos -= 170 | |
return (pos * 3, 0, 255 - pos * 3) | |
def color_wipe(color, wait, amount): | |
if amount > 10: | |
amount = 10 | |
for i in range(amount): | |
pixels[i] = color | |
time.sleep(wait) | |
pixels.show() | |
def rainbow_cycle(wait, amount): | |
if amount > 10: | |
amount = 10 | |
for j in range(42): | |
for i in range(amount): | |
rc_index = (i * 256 // 10) + j*6 * 5 | |
pixels[i] = genRainbowColourValue(rc_index & 255) | |
if cp.button_a: | |
break | |
pixels.show() | |
def color_wipe_backwards(color, wait, amount): | |
for i in range(10 - amount): | |
pixels[10-1-i] = color | |
time.sleep(0.01) | |
pixels.show() | |
OFF = (0, 0, 0) | |
colours = [(255, 0, 0), (255, 150, 0), (0, 255, 0), (0, 255, 255), (0, 0, 255), (180, 0, 255)] | |
current_colour = 0 | |
rainbow = 0 | |
def mean(values): | |
return sum(values) / len(values) | |
def normalized_rms(values): | |
minbuf = int(mean(values)) | |
sum_of_audio_recording = sum( | |
float(sample - minbuf) * (sample - minbuf) | |
for sample in values | |
) | |
return math.sqrt(sum_of_audio_recording / len(values)) | |
mic = audiobusio.PDMIn( | |
board.MICROPHONE_CLOCK, | |
board.MICROPHONE_DATA, | |
sample_rate=16000, | |
bit_depth=16 | |
) | |
audio_recording = array.array('H', [0] * 160) | |
mic.record(audio_recording, len(audio_recording)) | |
mic.record(audio_recording, len(audio_recording)) | |
base_magnitude = normalized_rms(audio_recording) | |
peak_magnitude = 70 * 5 | |
while True: | |
if cp.switch == True: | |
if cp.button_a: | |
rainbow = 0 | |
if current_colour + 1 == len(colours): | |
current_colour = -1 | |
current_colour+=1 | |
if cp.button_b: | |
rainbow = 1 | |
mic.record(audio_recording, len(audio_recording)) | |
magnitude = normalized_rms(audio_recording) | |
print(((round((((magnitude)/peak_magnitude)*10))), 0)) | |
color_wipe_backwards(OFF, 0.1, round((((magnitude)/peak_magnitude)*10))) | |
color_wipe(colours[current_colour], 0.001, round((((magnitude)/peak_magnitude)*10))) | |
if rainbow==1: | |
rainbow_cycle(0.01, round((((magnitude)/peak_magnitude)*10))) | |
if cp.switch == False: | |
color_wipe_backwards(OFF, 0.1, 0) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment