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ColinKerrColinKerr
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WIP new note parser
1 parent 567b149 commit c94ee11

3 files changed

Lines changed: 316 additions & 68 deletions

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‎05_advanced/code/PWM_Music2.py‎

Lines changed: 15 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -1,77 +1,24 @@
1-
from machine import Pin, PWM, Timer
1+
#from machine import Pin, PWM, Timer
22
import time
3+
from notes2 import *
34

4-
class Music:
5-
def __init__(self):
6-
self.bpm = 80
7-
self.ms_pb = (1000*60)//self.bpm
8-
self.step = self.ms_pb // 10
9-
self.timer0 = Timer(0)
10-
self.timer1 = Timer(1)
5+
bpm = 89
116

12-
def drum1(self):
13-
sound = PWM(13, freq=50, duty=500)
14-
time.sleep_ms(self.step)
15-
sound.deinit()
7+
ms_pb = (1000*60)//bpm
8+
step = ms_pb // 16
169

17-
def drum2(self):
18-
sound = PWM(13, freq=25, duty=500)
19-
time.sleep_ms(self.step)
20-
sound.deinit()
2110

22-
def pause(self):
23-
time.sleep_ms(self.step)
11+
note_line_groups = read_notes_from_file("mario.lines")
12+
voice_groups = parse_note_line_groups(note_line_groups)
13+
line_length = len(voice_groups[0][0])
14+
line_time = ms_pb * line_length
2415

25-
def drums(self, t):
26-
self.drum1()
27-
self.drum2()
28-
self.pause()
29-
30-
self.drum1()
31-
self.drum2()
32-
self.pause()
33-
34-
self.drum1()
35-
self.drum2()
36-
self.drum2()
37-
self.pause()
16+
print("Number of voice groups:", len(voice_groups))
17+
print("Time per group:", line_time, "ms")
18+
for voice_group in voice_groups:
19+
print("Number of voices in group:", len(voice_group))
3820

39-
def base_note1(self):
40-
sound = PWM(12, freq=100, duty=200)
41-
time.sleep_ms(self.step*4)
42-
sound.deinit()
43-
44-
def base_note2(self):
45-
sound = PWM(12, freq=150, duty=200)
46-
time.sleep_ms(self.step*4)
47-
sound.deinit()
48-
49-
def base_note3(self):
50-
sound = PWM(12, freq=200, duty=200)
51-
time.sleep_ms(self.step*4)
52-
sound.deinit()
53-
54-
def bass(self, t):
55-
self.base_note1()
56-
self.base_note2()
57-
self.base_note3()
58-
self.base_note3()
59-
self.base_note2()
60-
61-
self.base_note2()
62-
self.base_note1()
63-
self.base_note1()
64-
self.base_note2()
65-
self.base_note3()
66-
67-
def start(self):
68-
self.timer0.init(mode=Timer.PERIODIC, period=self.ms_pb, callback=self.drums)
69-
self.timer1.init(mode=Timer.PERIODIC, period=(self.ms_pb * 2), callback=self.bass)
70-
71-
music = Music()
72-
music.start()
73-
74-
while True:
75-
pass
21+
print("Done")
22+
timer0 = Timer(0)
7623

7724

‎05_advanced/code/mario.lines‎

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5|e-e---e---c-e---g---------|
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4|a-a---a---a-a---b---------|
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4|F-F---F---F-F---g-------g-|
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3|------------------------g-|
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2|d-d---d---d-d---g-------g-|
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1|------------------------g-|
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5|------c-------------------|
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4|------------g-----------a-|
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4|----abe-----c-----e-----c-|
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3|------------------g-------|
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2|------g-----e-----c-----f-|
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5|--------------------a-----|
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5|---------------e-g--c---f-|
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4|--b---A-a---g-------------|
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4|--d---C-c---c--g-b------a-|
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3|---------------c-e--f---d-|
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2|--g---F-f---e-------------|
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6|------------------c-------|
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5|------------------------g-|
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5|g---e-fec-d-------e-----c-|
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4|------------b-------------|
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4|b---g---e-f-d-------------|
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3|e---c-------------g-----e-|
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2|--------a-b-g-----g-----e-|
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5|----------a---b---A-a---g-|
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5|----e-----c---d---C-c---c-|
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4|----g---------------------|
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3|----c-----f---g---F-f---e-|
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2|----c-----f---g---F-f---e-|
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6|-e-g--c---f-g---e---c-d---|
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6|------a-------------------|
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5|------------------------b-|
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5|-g-b------a-b---g---e-f-d-|
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3|-c-e--f---d-e---c---------|
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2|--------------------a-b-g-|
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6|--------e-D-d-D---c-------|
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6|--------g-F-f-----e-------|
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5|----------------------G-a-|
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5|--------------b-------e-f-|
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3|----c-----------c---------|
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2|----c-----g-----c---f-----|
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1|----------g---------f-----|
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6|c-----c-d-----e-D-d-D---c-|
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6|--------------g-F-f-----e-|
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5|----a---------------------|
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5|g---c-e-f-----------b-----|
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3|c-c-c-----c-------------c-|
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2|c-----f---c-----e-----g-c-|
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1|----------------e---------|
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7|--c---c-c-----------------|
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6|--c---c-c-----------e-D-d-|
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6|--f---f-f-----------g-F-f-|
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6|--g---g-g-----------------|
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4|--c---c-c-----------------|
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3|--c---c-c---g---c---------|
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2|------------g---c-----g---|
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1|----------------------g---|
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6|D---c-------c-----c-d-----|
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6|----e---------------------|
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5|--------G-a-----a---------|
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5|b-------e-f-g---c-e-f-----|
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3|--c---------c-c-c---------|
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2|--c---f-----c-----f-------|
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1|------f-------------------|
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6|D-----d-----c-------------|
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5|G-----f-----e-------------|
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5|D-----d-----c-------------|
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3|------------c-----g-g---c-|
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2|G-----A-----c-------------|
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1|G-----A-------------------|
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5|--c-c---c---c-d---e-c-----|
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4|------------------------a-|
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4|--G-G---G---G-A---g-e---e-|
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3|--------D-----G---g-----c-|
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2|--G-----------------------|
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5|--------c-c---c---c-d-e---|
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4|g-------------------------|
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4|c-------G-G---G---G-A-g---|
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3|--------------D-----G---g-|
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2|----g---G-----------------|
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6|--------------c-c---c---c-|
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5|--------------G-G---G---G-|
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3|----c---------------D-----|
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2|----------g---G-----------|
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6|d---e-c-------------e-e---|
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5|----------a-g-------a-a---|
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5|A---g-e---e-c-------e-e---|
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3|G---g-----c---------------|
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2|----------------g---d-d---|
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6|e---c-e---g---------------|
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5|a---a-a---b---------------|
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5|e---e-e---g-g-F-f-d-------|
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4|--------------A-a-f-b-a-G-|
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4|--------------C-c---d-c---|
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3|------------------b-g-f-e-|
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3|------------------------b-|
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2|d---d-d---g---------------|
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5|----g---------------------|
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4|----b---g-----------------|
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4|g---g---f---------c-------|
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3|----------------c-----a---|
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2|--------------------a---A-|
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3|d---g---d---------c-------|
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2|------------g---c-----a---|
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1|--------------------a---A-|
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5|------c---c--cD---c-------|
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4|-----------A------------c-|
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3|A---------------------c---|
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4|------c---c--cD---c-------|
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3|-----------A------------c-|
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2|A---------------------c---|
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6|------------c---c-c-c-----|
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5|------------A---A-A-A-----|
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3|--a---A-------------------|
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2|a---A---------------------|
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3|--------------------c-----|
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2|--a---A-----c-------------|
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1|a---A---------------------|
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6|--------------c-c---c-c---|
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5|--------------A-A---A-A---|
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3|----f---d-----------------|
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2|--f---d-------------------|
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2|----f---d-D-D-------------|
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1|--f---d---D-------f-------|
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6|-e------------------------|
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5|b-------------------------|
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3|----------f---d---D-------|
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2|--------f---d---D---------|
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2|f---------f---d---D-------|
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1|--------f---d---D-------f-|
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3|----------Dd-Cc---D---d---|
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2|------f---Dd-Cc---D---d---|
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3|--------C---cF-feA-aG--D--|
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2|G---g--------------------b|
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2|--------C---cF-feA-aG--D--|
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1|G---g--------------------b|
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4|----------G---------------|
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4|----------aa--c---D---f---|
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3|--------------e---g---a---|
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2|--A--a-G------------------|
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3|----------------------c---|
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2|--------------g---A---c---|
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1|--A--a-G------g---A-------|
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6|----------------c---------|
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5|--------------dgg---------|
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5|--------------ea----------|
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5|--------------cfb---------|
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4|-------------g------------|
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4|-------------a------------|
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4|F-----------df------------|
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4|C-----------ceb-----D-----|
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3|F-------------------a-----|
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2|F---------------c-c-D-e-f-|
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6|----------------------c---|
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5|------------------------e-|
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5|------------------c---D-c-|
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4|D---------D-----D---------|
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3|a---------a-----a---------|
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2|f-G-a-c-c-D-e-f-f-G-a-c-c-|
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5|--e-----------------------|
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5|D-c-d-c---c---c-Ddc-----c-|
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4|--------a-------------a---|
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4|b---a-a-f-e---e-F-e---f-a-|
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2|D-e-f-f-G-a-c-c-D-e-f-f-G-|
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5|----e---e-----------------|
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5|--D-c-D-c-d-c---c---c-Ddc-|
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4|--------------a-----------|
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4|--b---b---a-a-f-e---e-F-e-|
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2|a-c-c-D-e-f-f-G-a-c-c-D-e-|
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5|----c---------------------|
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4|--a-----------------------|
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4|--f-a---------------------|
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2|f-f-G-a-------------------|

‎05_advanced/code/notes2.py‎

Lines changed: 95 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,95 @@
1+
2+
# def play_sequence(note_sequence, timer, pin):
3+
# if note_sequence:
4+
# note = note_sequence.pop(0)
5+
# sound = PWM(pin, freq=note[0], duty=512) if note[0] > 0 else None
6+
# timer.init(mode=Timer.ONE_SHOT, period=note[1], callback=(lambda t: play_next_sequence(t, sound, note_sequence, timer, pin)))
7+
8+
# def play_next_sequence(t, sound, note_sequence, timer, pin):
9+
# if sound:
10+
# sound.deinit()
11+
# timer.deinit()
12+
# if note_sequence:
13+
# print(len(note_sequence), "notes left to play")
14+
# note = note_sequence.pop(0)
15+
# sound = PWM(pin, freq=note[0], duty=512) if note[0] > 0 else None
16+
# timer.init(mode=Timer.ONE_SHOT, period=note[1], callback=(lambda t: play_next_sequence(t, sound, note_sequence, timer, pin)))
17+
18+
19+
def read_notes_from_file(file_path):
20+
"""
21+
Reads a text file containing musical notes and returns groups of note lines that should be played together
22+
Groups are seperated by empty lines.
23+
"""
24+
note_lines_groups = []
25+
with open(file_path, 'r') as file:
26+
current_group = []
27+
note_lines_groups.append(current_group)
28+
for line in file:
29+
stripped_line = line.strip()
30+
if not stripped_line:
31+
current_group = []
32+
note_lines_groups.append(current_group)
33+
else:
34+
current_group.append(stripped_line)
35+
return note_lines_groups
36+
37+
def create_merged_frequency_lines(freq_lines):
38+
voice_lines = []
39+
first_voice = freq_lines[0]
40+
voice_lines.append(first_voice)
41+
for line in freq_lines[1:]:
42+
for i in range(len(line)):
43+
if line[i] == 0:
44+
continue
45+
found_spot = False
46+
for voice in voice_lines:
47+
if voice[i] == 0 and line[i] != 0:
48+
voice[i] = line[i]
49+
found_spot = True
50+
break
51+
if not found_spot:
52+
new_voice = [0] * len(line)
53+
new_voice[i] = line[i]
54+
voice_lines.append(new_voice)
55+
56+
return voice_lines
57+
58+
def parse_note_line_groups(note_line_groups):
59+
voice_groups = []
60+
for group in note_line_groups:
61+
if len(group) == 0:
62+
continue
63+
freq_lines = parse_note_lines(group)
64+
voices = create_merged_frequency_lines(freq_lines)
65+
voice_groups.append(voices)
66+
return voice_groups
67+
68+
def parse_note_lines(note_lines):
69+
freq_lines = []
70+
for line in note_lines:
71+
octave = int(line[0])
72+
line_freqs = []
73+
for note in line[2:-1]:
74+
freq = notes[note][octave]
75+
line_freqs.append(freq)
76+
freq_lines.append(line_freqs)
77+
78+
return freq_lines
79+
80+
81+
notes = {
82+
"c" : [16.35, 32.7, 65.41, 130.81, 261.63, 523.25, 1046.5, 2093, 4186],
83+
"C" : [17.32, 34.65, 69.3, 138.59, 277.18, 554.37, 1108.73, 2217.46, 4434.92],
84+
"d" : [18.35, 36.71, 73.42, 146.83, 293.66, 587.33, 1174.66, 2349.32, 4698.64],
85+
"D" : [19.45, 38.89, 77.78, 155.56, 311.13, 622.25, 1244.51, 2489.02, 4978.03],
86+
"e" : [20.6, 41.2, 82.41, 164.81, 329.63, 659.25, 1318.51, 2637.02, 5274.04],
87+
"f" : [21.83, 43.65, 87.31, 174.61, 349.23, 698.46, 1396.91, 2793.83, 5587.65],
88+
"F" : [23.12, 46.25, 92.5, 185, 369.99, 739.99, 1479.98, 2959.96, 5919.91],
89+
"g" : [24.5, 49, 98, 196, 392, 783.99, 1567.98, 3135.96, 6271.93],
90+
"G" : [25.96, 51.91, 103.83, 207.65, 415.3, 830.61, 1661.22, 3322.44, 6644.88],
91+
"a" : [27.5, 55, 110, 220, 440, 880, 1760, 3520, 7040],
92+
"A" : [29.14, 58.27, 116.54, 233.08, 466.16, 932.33, 1864.66, 3729.31, 7458.62],
93+
"b" : [30.87, 61.74, 123.47, 246.94, 493.88, 987.77, 1975.53, 3951.07, 7902.13],
94+
"-" : [0, 0, 0, 0, 0, 0, 0, 0, 0]
95+
}

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