Differences

This shows you the differences between two versions of the page.

--- development:python:micropython:buzzer [2024/08/23 14:28] – tungnt
+++ development:python:micropython:buzzer [2024/08/23 14:34] (current) – tungnt
@@ Line 10: / Line 10: @@
 from machine import Pin, PWM
 from utime import sleep
+from time import sleep_ms
 from song import Song
+from buzzer import Buzzer, BuzzerLib
-buzzer = PWM(Pin(23))
+bz = PWM(Pin(23))
 # Programming the Buzzer
-buzzer.freq(500) # volumne = 500
+bz.freq(500) # volumne = 500
-buzzer.duty_u16(1000)
+bz.duty_u16(1000)
 sleep(1)
-buzzer.duty_u16(0)
+bz.duty_u16(0)
 # Playing Music with a Buzzer
@@ Line 30: / Line 32: @@
 sleep(1)
 _song.play_song_jingle()
+# Other Lib
+bz = Buzzer(23)
+print("Playing mario.")
+bz.play(BuzzerLib.mario, 150, 32767)
+sleep_ms(1000)
+print("Playing jingle bells.")
+bz.play(BuzzerLib.jingle, 250, 32767)
+sleep_ms(1000)
+print("Playing twinkle, twinkle little star.")
+bz.play(BuzzerLib.twinkle, 600, 32767)
 </file>
@@ Line 200: / Line 217: @@
 </file>
+<file python buzzer.py>
+from machine import Pin
+from machine import PWM
+from time import sleep_ms
+# Notes and its equivalent frequency
+           # Octave 0 ********************
+B0  = 31   # B
+           # Octave 1 ********************
+C1  = 33   # C
+CS1 = 35   # C#/Db
+D1  = 37   # D
+DS1 = 39   # D#/Eb
+E1  = 41   # E
+F1  = 44   # F
+FS1 = 46   # F#/Gb
+G1  = 49   # G
+GS1 = 52   # G#/Ab
+A1  = 55   # A
+AS1 = 58   # A#/Bb
+B1  = 62   # B
+           # Octave 2 ********************
+C2  = 65   # C
+CS2 = 69   # C#/Db
+D2  = 73   # D
+DS2 = 78   # D#/Eb
+E2  = 82   # E
+F2  = 87   # F
+FS2 = 93   # F#/Gb
+G2  = 98   # G
+GS2 = 104  # G#/Ab
+A2  = 110  # A
+AS2 = 117  # A#/Bb
+B2  = 123  # B
+           # Octave 3 ********************
+C3  = 131  # C
+CS3 = 139  # C#/Db
+D3  = 147  # D
+DS3 = 156  # D#/Eb
+E3  = 165  # E
+F3  = 175  # F
+FS3 = 185  # F#/Gb
+G3  = 196  # G
+GS3 = 208  # G#/Ab
+A3  = 220  # A
+AS3 = 233  # A#/Bb
+B3  = 247  # B
+           # Octave 4 ********************
+C4  = 262  # C
+CS4 = 277  # C#/Db
+D4  = 294  # D
+DS4 = 311  # D#/Eb
+E4  = 330  # E
+F4  = 349  # F
+FS4 = 370  # F#/Gb
+G4  = 392  # G
+GS4 = 415  # G#/Ab
+A4  = 440  # A
+AS4 = 466  # A#/Bb
+B4  = 494  # B
+           # Octave 5 ********************
+C5  = 523  # C
+CS5 = 554  # C#/Db
+D5  = 587  # D
+DS5 = 622  # D#/Eb
+E5  = 659  # E
+F5  = 698  # F
+FS5 = 740  # F#/Gb
+G5  = 784  # G
+GS5 = 831  # G#/Ab
+A5  = 880  # A
+AS5 = 932  # A#/Bb
+B5  = 988  # B
+           # Octave 6 ********************
+C6  = 1047 # C
+CS6 = 1109 # C#/Db
+D6  = 1175 # D
+DS6 = 1245 # D#/Eb
+E6  = 1319 # E
+F6  = 1397 # F
+FS6 = 1480 # F#/Gb
+G6  = 1568 # G
+GS6 = 1661 # G#/Ab
+A6  = 1760 # A
+AS6 = 1865 # A#/Bb
+B6  = 1976 # B
+           # Octave 7 ********************
+C7  = 2093 # C
+CS7 = 2217 # C#/Db
+D7  = 2349 # D
+DS7 = 2489 # D#/Eb
+E7  = 2637 # E
+F7  = 2794 # F
+FS7 = 2960 # F#/Gb
+G7  = 3136 # G
+GS7 = 3322 # G#/Ab
+A7  = 3520 # A
+AS7 = 3729 # A#/Bb
+B7  = 3951 # B
+           # Octave 8 ********************
+C8  = 4186 # C
+CS8 = 4435 # C#/Db
+D8  = 4699 # D
+DS8 = 4978 # D#/Eb
+class BuzzerLib:
+    # This is the list of notes for mario theme
+    # 0 denotes rest notes
+    mario = [
+         E7, E7,  0, E7,  0, C7, E7,  0,
+         G7,  0,  0,  0, G6,  0,  0,  0,
+         C7,  0,  0, G6,  0,  0, E6,  0,
+, A6,  0, B6,  0,AS6, A6,  0,
+         G6, E7,  0, G7, A7,  0, F7, G7,
+, E7,  0, C7, D7, B6,  0,  0,
+         C7,  0,  0, G6,  0,  0, E6,  0,
+, A6,  0, B6,  0,AS6, A6,  0,
+         G6, E7,  0, G7, A7,  0, F7, G7,
+, E7,  0, C7, D7, B6,  0,  0,
+    ]
+    # This is the list of notes for jingle bells
+    jingle = [
+        E7, E7, E7, 0,
+        E7, E7, E7, 0,
+        E7, G7, C7, D7, E7, 0,
+        F7, F7, F7, F7, F7, E7, E7, E7, E7, D7, D7, E7, D7, 0, G7, 0,
+        E7, E7, E7, 0,
+        E7, E7, E7, 0,
+        E7, G7, C7, D7, E7, 0,
+        F7, F7, F7, F7, F7, E7, E7, E7, G7, G7, F7, D7, C7, 0
+    ]
+    # This is the list of notes for Twinkle, Twinkle Little Star
+    twinkle = [
+        C6, C6, G6, G6, A6, A6, G6, 0,
+        F6, F6, E6, E6, D6, D6, C6, 0,
+        G6, G6, F6, F6, E6, E6, D6, 0,
+        G6, G6, F6, F6, E6, E6, D6, 0,
+        C6, C6, G6, G6, A6, A6, G6, 0,
+        F6, F6, E6, E6, D6, D6, C6, 0,
+    ]
+class Buzzer:
+    def __init__(self, sig_pin):
+        self.pwm = PWM(Pin(sig_pin),duty_u16=0)
+    def play(self, melodies, wait, duty=32767):
+        for note in melodies:
+            if note != 0:
+                self.pwm.freq(note)
+            self.pwm.duty_u16(duty)
+            sleep_ms(wait)
+        # Disable the pulse, setting the duty to 0
+        self.pwm.duty_u16(0)
+        # Disconnect the pwm driver
+        #self.pwm.deinit() # remove to play the next melodies
+    def tone(self, notes, wait, duty=32767):
+        self.pwm.freq(notes)
+        self.pwm.duty_u16(duty)
+        sleep_ms(wait)
+        self.pwm.duty_u16(0)
+"""
+bz = Buzzer(23)
+print("Playing mario.")
+bz.play(mario, 150, 32767)
+sleep_ms(1000)
+print("Playing jingle bells.")
+bz.play(jingle, 250, 32767)
+sleep_ms(1000)
+print("Playing twinkle, twinkle little star.")
+bz.play(twinkle, 600, 32767)
+"""
+</file>