poc in folder

poc_hardware/chroma_case/Note.py

@@ -0,0 +1,13 @@
+
+
+class Note:
+    def __init__(self, start_time, data) -> None:
+
+        self.__start_time = start_time
+        self.__data = data
+
+    def get_start_time(self):
+        return self.__start_time
+    
+    def get_data(self):
+        return self.__data

poc_hardware/chroma_case/Partition.py

@@ -0,0 +1,34 @@
+import asyncio, datetime
+from typing import Callable
+
+from .Note import Note
+
+async def wait_until(dt):
+    # sleep until the specified datetime
+    now = datetime.datetime.now()
+    await asyncio.sleep((dt - now).total_seconds())
+
+async def run_at(dt, coro):
+    await wait_until(dt)
+    return await coro
+
+class Partition:
+    
+    def __init__(self, name:str, notes:list[Note]) -> None:
+
+        self.__name = name
+        self.__notes = notes
+    
+    async def play(self, output_lambda:Callable[[object], None]):
+        now = datetime.datetime.now()
+        tasks_to_wait = []
+        for note in self.__notes:
+            tasks_to_wait.append(
+                asyncio.create_task(
+                    run_at(
+                        now + datetime.timedelta(milliseconds= note.get_start_time()),
+                        output_lambda(note.get_data())
+                    )
+                )
+            )
+        await asyncio.wait(tasks_to_wait)

poc_hardware/launch.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/zsh
+
+sudo python3 main.py $1 &!
+sleep 3.5
+./tester.py $1 $2

poc_hardware/leds.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python3
+
+import board
+import neopixel
+import time
+import sys
+import asyncio
+
+colorToFill = (0, 0, 0)
+pixels = neopixel.NeoPIxel(board.D18, 20, brightness=0.01)
+
+notePixels = { 'si': [0, 1],
+            'la#': [2, 3],
+            'la': [4, 5],
+            'sol#':[6],
+            'sol':[7, 8, 9],
+            'fa#':[10],
+            'fa':[11, 12, 13],
+            'mi':[14, 15, 16],
+            're#':[17],
+            're':[18, 19],
+            'do#':[],
+            'do':[]}
+
+def playNote(color, secondsToStay, pixelsToFill):
+    for pixelIndex in pixelsToFill:
+        pixels[pixelIndex] = color
+    time.sleep(secondsToStay)
+
+
+
+
+
+def launchMusic(noteList):
+    
+    pixels.fill(0,0,0)
+    pixels.write()
+
+    for notes, tempo in noteList:
+        for note in notes:
+            playNote((255, 0, 0), tempo, notePixels[note.lower()])
+        pixels.fill(colorToFill)
+        pixels.write()
+
+music = [
+        (['sol'], 1),
+        (['sol'], 1),
+        (['sol'], 1),
+        (['re#'], 1),
+        (['la#'], 0.5),
+        (['sol'], 0.5),
+        (['re#'], 1),
+        (['la#'], 0.5),
+         ]
+
+launchMusic(music)

poc_hardware/main.py

@@ -0,0 +1,166 @@
+from xmlrpc.client import TRANSPORT_ERROR
+from chroma_case.Partition import Partition
+from chroma_case.Note import Note
+import asyncio
+import sys
+from mido import MidiFile
+
+import board, neopixel
+
+# on octave is 12
+RATIO = float(sys.argv[2] if len(sys.argv) > 2 else 1)
+OCTAVE = 5
+OCTAVE_AMOUNT_KEYS = 12
+TRANSPOSE_AMOUNT = OCTAVE_AMOUNT_KEYS * OCTAVE
+
+pixels = neopixel.NeoPixel(board.D18, 20, brightness=0.01)
+
+notePixels = { 'si': [19],
+            'la#': [18],
+            'la': [17],
+            'sol#':[15],
+            'sol':[13],
+            'fa#':[10],
+            'fa':[9],
+            'mi':[6],
+            're#':[5],
+            're':[3],
+            'do#':[1],
+            'do':[0]}
+
+
+def hue_to_rgb(t1, t2, hue):
+    if hue < 0: hue += 6
+    if hue >= 6: hue -= 6
+    if hue < 1: return (t2 - t1) * hue + t1
+    if hue < 3: return t2
+    if hue < 4: return (t2 - t1) * (4 - hue) + t1
+    return t1
+
+def hsl_to_rgb(hue, sat, light):
+    hue /= 60
+    if light <= 0.5:
+        t2 = light * (sat + 1)
+    else:
+        t2 = light + sat - (light * sat)
+    t1 = light * 2 - t2
+
+    r = hue_to_rgb(t1, t2, hue + 2) * 255
+    g = hue_to_rgb(t1, t2, hue) * 255
+    b = hue_to_rgb(t1, t2, hue - 2) * 255
+    return [round(r), round(g), round(b)]
+
+async def to_chroma_case(data):
+    global pixels
+
+    hsl_starting_color = [100, 100, 50]
+
+    colored_pixels = notePixels[data["key"].lower()]
+    #if "announce" in data:
+    c = data["color"]
+    """for i in range(5):
+        for pixelId in colored_pixels:
+            pixels[pixelId] = (c[0], int(c[1] * tmp), c[2])
+        tmp -= 0.2
+        await asyncio.sleep(data["duration"] / (5 * 1000))"""
+    """for i in range(11):
+        for pixelId in colored_pixels:
+            pixels[pixelId] = hsl_to_rgb(hsl_starting_color[0], hsl_starting_color[1], hsl_starting_color[2])
+            hsl_starting_color[2] += 0.01
+        await asyncio.sleep(0.01)"""
+    for pixelId in colored_pixels:
+        pixels[pixelId] = data["color"]
+    await asyncio.sleep(data['duration'] / 1000)
+    for pixelId in colored_pixels:
+        pixels[pixelId] = 0
+        
+
+async def printing(data):
+    print(f"key: {data['key']}, c:{data['color']} for {data['duration'] / 1000}s, time: {data['time']}")
+    await asyncio.sleep(data['duration'] / 1000)
+    print(f"end of {data['key']}")
+
+
+def midi_key_my_key(midi_key):
+    keys = list(notePixels.keys())
+
+    keys.reverse()
+
+    key_index = midi_key - TRANSPOSE_AMOUNT
+    if key_index >= len(keys):
+        print("key out of leb barre", key_index)
+        return "no_key"
+
+    return keys[key_index]
+
+
+
+
+async def main():
+
+    default_duration = 900
+    default_color = (255, 0, 0)
+
+    notes = []
+    # notes will start to play at 3500 ms (colors at the start takes this amount of time)
+    s = 3500
+
+    notes_on = {}
+    prev_note_on = {}
+    note_color = {}
+
+    for msg in MidiFile(sys.argv[1]):
+        d = msg.dict()
+        print(msg, s)
+        s += d['time'] * 1000 * RATIO
+        
+        if d["type"] == "note_on":
+            prev_note_on[d["note"]] = 0
+            if d["note"] in notes_on:
+                prev_note_on[d["note"]] = notes_on[d["note"]]  # 500
+            notes_on[d["note"]] = s # 0
+            if d["note"] not in note_color.keys():
+                note_color[d["note"]] = 1
+            note_color[d["note"]] = not note_color[d["note"]]
+        
+        if d["type"] == "note_off":
+            #duration = s - notes_on[d["note"]]
+            duration = s - notes_on[d["note"]]
+
+            """notes.append(Note(
+                s - min(s - prev_note_on[d["note"]], 500), 
+                {
+                    "duration": min(s - prev_note_on[d["note"]], 1000) / 2, 
+                    "color": (255, 255, 0), 
+                    "key": midi_key_my_key(d["note"]),
+                    "announce": True
+                }
+            ))"""
+
+            note_start = notes_on[d["note"]]
+            # time value is only used during debug
+            notes.append(Note(note_start, {"time": note_start, "duration": duration - 10, "color": default_color if note_color[d["note"]] else (255, 100, 0), "key": midi_key_my_key(d["note"])}))
+            notes_on[d["note"]] = s # 500
+
+
+
+    starting = []
+    
+    for i in notePixels.keys():
+        starting += [
+            Note(000, {"duration": default_duration, "color": (255, 0, 0), "key": i, "time": 0}),
+            Note(1000, {"duration": default_duration, "color": (255, 255, 0), "key": i, "time": 0}),
+            Note(2000, {"duration": default_duration, "color": (0, 255, 0), "key": i, "time": 0}),
+    ]
+    
+    p = Partition("my_partition",
+     starting + notes
+    )
+
+    await p.play(to_chroma_case)
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(asyncio.run(main()))

poc_hardware/midi.py

@@ -0,0 +1,4 @@
+from mido import MidiFile
+
+for msg in MidiFile('new_song_1.mid'):
+    print(msg)

poc_hardware/myscr

@@ -0,0 +1,7 @@
+#!/usr/bin/bash
+
+while true
+do
+  sudo python main.py new_song_2.mid
+done
+

poc_hardware/requirements.txt

@@ -0,0 +1,2 @@
+mido
+pygame

poc_hardware/test.py

@@ -0,0 +1,15 @@
+import asyncio
+
+async def nested():
+    return 42
+
+async def main():
+    # Schedule nested() to run soon concurrently
+    # with "main()".
+    task = asyncio.create_task(nested())
+
+    # "task" can now be used to cancel "nested()", or
+    # can simply be awaited to wait until it is complete:
+    await task
+
+asyncio.run(main())

poc_hardware/tester.py

@@ -0,0 +1,146 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+from typing import List
+
+import pygame as pg
+from pygame.constants import KEYDOWN
+import pygame.midi
+from mido import MidiFile
+
+# Status definitions
+TOUCH_DOWN = 144
+TOUCH_UP   = 128
+
+
+class Key:
+    def __init__(self, key: int, start: int, duration: int):
+        self.key = key
+        self.start = start
+        self.duration = duration
+
+    def __str__(self):
+        return f"{self.key} ({self.start} - {self.duration})"
+
+
+def read_midi(file):
+    notes = []
+    notes_on = {}
+    s = 0
+    for msg in MidiFile(file):
+        d = msg.dict()
+        s += d['time'] * 1000
+        if d["type"] == "note_on":
+            notes_on[d["note"]] = s
+        if d["type"] == "note_off":
+            duration = s - notes_on[d["note"]]
+            notes_on[d["note"]] = s
+            notes.append(Key(d["note"], s, duration))
+    return notes
+
+
+keys_to_play = read_midi(sys.argv[1])
+for i in map(lambda x: str(x), keys_to_play):
+    print(str(i))
+
+# List of keys currently holded. Format: (key, timestamp)
+keys_down = []
+
+points = 0
+
+
+def print_device_info():
+    pygame.midi.init()
+    _print_device_info()
+    pygame.midi.quit()
+
+
+def _print_device_info():
+    for i in range(pygame.midi.get_count()):
+        r = pygame.midi.get_device_info(i)
+        (interf, name, input, output, opened) = r
+
+        in_out = ""
+        if input:
+            in_out = "(input)"
+        if output:
+            in_out = "(output)"
+
+        print(
+            "%2i: interface :%s:, name :%s:, opened :%s:  %s"
+            % (i, interf, name, opened, in_out)
+        )
+
+def poll(midi):
+    if midi.poll():
+        [((status, key, intensity, data3), timestamp)] = midi.read(1)
+        # For status, see STATUS DEFINITIONS up there (either TOUCH_DOWN, TOUCH_UP or others for pedals)
+        # The key is between 21 and 108, C5 is 60
+        # The itensity is how strong the key got struck (between 1 and 130ish)
+        # data3 seems to always be 0
+        # timestamp seems to be a unix timestamp since the midi has been oppened.
+
+        # Sometimes, status is always TOUCH_DOWN so if the key is already down, we consider it the same as a key up
+        is_down = any(x[0] == key for x in keys_down)
+        if status == TOUCH_DOWN and not is_down:
+            keys_down.append((key, timestamp))
+            # print(f"Midi: {status} - {key} - {intensity} - {data3} at {timestamp}")
+        elif status == TOUCH_UP or is_down:
+            down_since = next(since for (h_key, since) in keys_down if h_key == key)
+            keys_down.remove((key, down_since))
+            return Key(key, down_since, (timestamp - down_since))
+
+def is_timing_close(key, i):
+    return abs(i.start - key.start) < 500
+
+def run(midi):
+    global points
+    clock_now = 0
+    while sorted(keys_to_play, key=lambda x: x.start)[-1].start > clock_now:
+        key = poll(midi)
+        if key is None:
+            continue
+        clock_now = key.start
+
+        to_play = next((i for i in keys_to_play if i.key == key.key and is_timing_close(key, i)), None)
+        if to_play == None:
+            points -= 50
+            print(f"Invalid key.")
+        else:
+            tempo_percent = abs((key.duration / to_play.duration) - 1)
+            points += tempo_percent * 50
+            if tempo_percent < .3 : 
+                print("Too short" if key.duration < to_play.duration else "Too long")
+            elif tempo_percent < .5:
+                print(f"GREAT.")
+            else:
+                print(f"EXCELLENT.")
+    points -= len(keys_to_play) * 20
+
+
+def input_main(device_id=None):
+    pg.init()
+    pygame.midi.init()
+
+    _print_device_info()
+
+    if device_id is None:
+        input_id = pygame.midi.get_default_input_id()
+    else:
+        input_id = device_id
+
+    print("using input_id :%s:" % input_id)
+    i = pygame.midi.Input(input_id)
+
+    pg.display.set_mode((1, 1))
+    try:
+        run(i)
+    except KeyboardInterrupt:
+        pass
+    print(f"You got: {int(points)}pts")
+    pygame.midi.quit()
+
+
+if __name__ == '__main__':
+    exit(input_main(int(sys.argv[2]) if len(sys.argv) == 3 else None))