From 4945a6df404b0c2045c2e41bd445a445b1f1867a Mon Sep 17 00:00:00 2001
From: cf2g21 <cf2g21@soton.ac.uk>
Date: Sat, 13 May 2023 22:44:03 +0000
Subject: [PATCH] Upload skeleton.py
---
skeleton.py | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 137 insertions(+)
create mode 100644 skeleton.py
diff --git a/skeleton.py b/skeleton.py
new file mode 100644
index 0000000..a2fcd1b
--- /dev/null
+++ b/skeleton.py
@@ -0,0 +1,137 @@
+from machine import Pin, PWM
+import time
+
+# TODO: Find buzzer pin value
+
+# Note to frequency
+note_freq = {
+ 'B1': 31,
+ 'C2': 33,
+ 'CS2': 35,
+ 'D2': 37,
+ 'DS2': 39,
+ 'E2': 41,
+ 'F2': 44,
+ 'FS2': 46,
+ 'G2': 49,
+ 'GS2': 52,
+ 'A2': 55,
+ 'AS2': 58,
+ 'B2': 62,
+ 'C3': 65,
+ 'CS3': 69,
+ 'D3': 73,
+ 'DS3': 78,
+ 'E3': 82,
+ 'F3': 87,
+ 'FS3': 93,
+ 'G3': 98,
+ 'GS3': 104,
+ 'A3': 110,
+ 'AS3': 117,
+ 'B3': 123,
+ 'C4': 131,
+ 'CS4': 139,
+ 'D4': 147,
+ 'DS4': 156,
+ 'E4': 165,
+ 'F4': 175,
+ 'FS4': 185,
+ 'G4': 196,
+ 'GS4': 208,
+ 'A4': 220,
+ 'AS4': 233,
+ 'B4': 247,
+ 'C5': 262,
+ 'CS5': 277,
+ 'D5': 294,
+ 'DS5': 311,
+ 'E5': 330,
+ 'F5': 349,
+ 'FS5': 370,
+ 'G5': 392,
+ 'GS5': 415,
+ 'A5': 440,
+ 'AS5': 466,
+ 'B5': 494,
+ 'C6': 523,
+ 'CS6': 554,
+ 'D6': 587,
+ 'DS6': 622,
+ 'E6': 659,
+ 'F6': 698,
+ 'FS6': 740,
+ 'G6': 784,
+ 'GS6': 831,
+ 'A6': 880,
+ 'AS6': 932,
+ 'B6': 988,
+ 'C7': 1047,
+ 'CS7': 1109,
+ 'D7': 1175,
+ 'DS7': 1245,
+ 'E7': 1319,
+ 'F7': 1397,
+ 'FS7': 1480,
+ 'G7': 1568,
+ 'GS7': 1661,
+ 'A7': 1760,
+ 'AS7': 1865,
+ 'B7': 1976,
+ 'C8': 2093,
+ 'CS8': 2217,
+ 'D8': 2349,
+ 'DS8': 2489,
+ 'E8': 2637,
+ 'F8': 2794,
+ 'FS8': 2960,
+ 'G8': 3136,
+ 'GS8': 3322,
+ 'A8': 3520,
+ 'AS8': 3729,
+ 'B8': 3951,
+ 'C9': 4186,
+ 'CS9': 4435,
+ 'D9': 4699,
+ 'DS9': 4978,
+ 'P': 0
+ }
+
+
+
+
+
+
+
+def parseRTTTL(text):
+ try:
+ whole = (60000/b)*4
+ # TODO: Parse the title, default values (d, o, b) and notes from the text
+ except:
+ return 'Not a valid RTTTL string'
+ notes = 'abcdefgp'
+ freqLengthList = []
+ # TODO: From the text, construct a list of pairs - the frequency representing the note (using note_freq dictionary) and the length of the note as an int
+ # Consult the RTTTL specification to find out what to do add to the frequency key in the case of no length or octave being provided, and the use of 'p'
+ length = whole/length
+ if '.' in note:
+ length += length/2
+ return freqLengthList
+
+def play(text):
+ song = parseRTTTL(text)
+ if type(song) is not list:
+ return song
+ for freq, seconds in song:
+ milliseconds = seconds * 0.001
+ if freq > 0:
+ # TODO: Make the buzzer sound
+ time.sleep(milliseconds*0.9)
+ if freq > 0:
+ buzzer.deinit()
+ # Stop buzzer after playing
+ time.sleep(milliseconds*0.1) # 0.1 second gap between notes
+
+exampleSong = 'MissionImpossible:d=16,o=6,b=95:32d,32d#,32d,32d#,32d,32d#,32d,32d#,32d,32d,32d#,32e,32f,32f#,32g,g,8p,g,8p,a#,p,c7,p,g,8p,g,8p,f,p,f#,p,g,8p,g,8p,a#,p,c7,p,g,8p,g,8p,f,p,f#,p,a#,g,2d,32p,a#,g,2c#,32p,a#,g,2c,a#5,8c,2p,32p,a#5,g5,2f#,32p,a#5,g5,2f,32p,a#5,g5,2e,d#,8d'
+
+play(exampleSong)
--
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