def init():
global tap, scaleX, scaleY, pos, minExtent
tap = CalTap()
maxExtent = tap.getRawMax()
minExtent = tap.getRawMin()
scaleX = (maxExtent[0] - minExtent[0]) / 127
scaleY = (maxExtent[1] - minExtent[1]) / 127
pos = [0, 0, 0, False]
def init():
global colours, tap, pixels, posScan, stepTime, markTime
global colBuffer, sounds
# put your own colours here
colours = [(255, 0, 0), (255, 72, 0), (255, 145, 0), (255, 218, 0),
(218, 255, 0), (145, 255, 0), (72, 255, 0), (0, 255, 0),
(255, 255, 255)]
tap = CalTap()
pixel_pin = board.D18
num_pixels = 128
# RGB or GRB. Some NeoPixels have red and green reversed
ORDER = neopixel.GRB
BRIGHTNESS = 0.1 # 0.6 is maximum brightness for 3A external supply
pixels = neopixel.NeoPixel(pixel_pin,
num_pixels,
brightness=BRIGHTNESS,
auto_write=False,
pixel_order=ORDER)
pixels.fill((0, 0, 0))
posScan = 0
stepTime = 0.3
markTime = time.time()
colBuffer = [(0, 0, 0)] * 8
mixer.pre_init(44100, -16, 12, 512)
mixer.init()
# change these to other sample names
soundNames = ["0", "1", "2", "3", "4", "5", "6", "7"]
# change Marimba to another directory containing your samples
sounds = [
mixer.Sound("Marimba/" + soundNames[i] + ".wav")
for i in range(0, len(soundNames))
]
mixer.set_num_channels(16)
#!/usr/bin/env python3
# Free draw by Mike Cook August 2020
# prints out stream of points when touching the screen
# using external CalTap class
from caltap import CalTap
tap = CalTap()
print("touch anywhere")
while 1:
pos = tap.getRaw()
if pos[3] > 0:
print("x", pos[0], " y", pos[1], " z", pos[2])
#!/usr/bin/env python3
# Tap_A_Sketch by Mike Cook August 2020
# using external CalTap class
import time
import board
import neopixel
from caltap import CalTap
tap = CalTap()
pixel_pin = board.D18
num_pixels = 128
# RGB or GRB. Some NeoPixels have red and green reversed
ORDER = neopixel.GRB
BRIGHTNESS = 0.1 # 0.6 is maximum brightness for 3A external supply
pixels = neopixel.NeoPixel(pixel_pin,
num_pixels,
brightness=BRIGHTNESS,
auto_write=False,
pixel_order=ORDER)
print("Tap to change an LED")
# put your own colours here
colours = [(255, 0, 0), (255, 72, 0), (255, 145, 0), (255, 218, 0),
(218, 255, 0), (145, 255, 0), (72, 255, 0), (0, 255, 0),
(255, 255, 255)]
pixels.fill((0, 0, 0))
for i in range(8):
pixels[i] = colours[i % len(colours)]
pixels[i + 120] = colours[i % len(colours)]
pixels.show()
def init():
global colours, tap, pixels, posScan, stepTime, markTime
global colBuffer, instNames, instNums, screen, textHeight
global motor, markerRect, shutDown, incRect, midiout
global decRect, icon, decRect, muteRect, voiceRect, sampleRect
global font, rsRect, tempo, lastNote, lastChan, chan, note
global velocity, mute, shutDown, update, lineCol, backCol, hiCol
global running, stepTime, step, samples, newScan
# put your own colours here if you like
colours = [(255, 0, 0), (255, 170, 0), (169, 255, 0), (0, 255, 0),
(0, 255, 171), (0, 168, 255), (1, 0, 255), (172, 0, 255)]
tap = CalTap()
midiout = rtmidi.MidiOut()
pixel_pin = board.D18
num_pixels = 128
# RGB or GRB. Some NeoPixels have red and green reversed
ORDER = neopixel.GRB
BRIGHTNESS = 0.1 # 0.6 is maximum brightness for 3A external supply
pixels = neopixel.NeoPixel(pixel_pin,
num_pixels,
brightness=BRIGHTNESS,
auto_write=False,
pixel_order=ORDER)
pixels.fill((0, 0, 0))
pixels.show()
posScan = 0
stepTime = 0.3
markTime = time.time()
colBuffer = [(0, 0, 0)] * 8
pygame.init()
pygame.event.set_allowed(None)
pygame.event.set_allowed([
pygame.KEYDOWN, pygame.QUIT, pygame.MOUSEBUTTONDOWN,
pygame.MOUSEBUTTONUP
])
pygame.display.set_caption("Tap-A-LED - MIDI Sequencer")
os.environ['SDL_VIDEO_WINDOW_POS'] = 'center'
sWide = 430
sHigh = 480
padCo = (sWide // 2 - 100, 48) # top of screen
screen = pygame.display.set_mode([sWide, sHigh], 0, 32)
instNames = [
"Piano", "Harpsichord", "Glockenspiel", "Marimba", "Bells", "Organ",
"Guitar", "Bass", "Timpani", "Percusion", "Alto Sax", "Clarinet",
"Rain", "Goblins", "Banjo", "Tinkle Bell"
]
instNums = [0, 6, 9, 12, 14, 19, 27, 32, 47, 52, 65, 71, 96, 101, 105, 112]
textHeight = 18
font = pygame.font.Font(None, textHeight)
icon = [
pygame.image.load("icons/" + str(i) + ".png").convert_alpha()
for i in range(0, 2)
]
incRect = [pygame.Rect((0, 0), (15, 15))] * 26
decRect = [pygame.Rect((0, 0), (15, 15))] * 26
for j in range(0, 3):
for i in range(0, 8):
incRect[i + j * 8] = pygame.Rect((76 + j * 80, 76 + i * 40),
(15, 15))
decRect[i + j * 8] = pygame.Rect((76 + j * 80, 96 + i * 40),
(15, 15))
incRect[24] = pygame.Rect((76, 418), (15, 15))
decRect[24] = pygame.Rect((76, 438), (15, 15))
incRect[25] = pygame.Rect((116, 418), (15, 15))
decRect[25] = pygame.Rect((116, 438), (15, 15))
rsRect = pygame.Rect((296, 407), (38, 22))
muteRect = [pygame.Rect((0, 0), (15, 15))] * 8
voiceRect = [pygame.Rect((0, 0), (15, 15))] * 8
for i in range(0, 8):
muteRect[i] = pygame.Rect((370, 80 + i * 40), (28, 20))
voiceRect[i] = pygame.Rect((268, 85 + i * 40), (100, 20))
sampleRect = [pygame.Rect((0, 0), (15, 15))] * 16
for i in range(0, 16):
sampleRect[i] = pygame.Rect((16 + i * 25, 20), (16, 16))
markerRect = [pygame.Rect((0, 0), (15, 15))] * 16
for i in range(0, 16):
markerRect[i] = pygame.Rect((19 + i * 25, 23), (10, 10))
lastNote = [0] * 16
lastChan = [-1] * 16
chan = [1] * 8
velocity = [64] * 8
mute = [False] * 8
shutDown = False
update = False
lineCol = (128, 128, 0)
backCol = (160, 160, 160)
hiCol = (0, 255, 255) # highlight colour
scale = [72, 71, 69, 67, 65, 64, 62, 60] # key of C major
note = [scale[i] for i in range(0, 8)]
running = False # MIDI sequencer
tempo = 60 # BPM to start
setTime() # determine time interval between samples
step = 0
samples = 16
newScan = False
initMIDI()