add rtttl parser files

Author: mziz

rtttl_parser.h

@@ -0,0 +1,111 @@
+/*
+ * Code for converting RTTTL format to frequency/duration
+ * Developed as a helper library for Lab 4 (Clocks, Timers, and Watchdogs)
+ * in CSCI 1600 (Real-time and embedded software) at Brown University
+ *    (https://cs.brown.edu/courses/info/csci1600/)
+ * Author: Milda Zizyte
+ * 
+ * Pitch definitions borrowed from Brett Hagman (github.com/bhagman/Tone)
+ */
+ 
+#define NOTE_B0  31
+#define NOTE_C1  33
+#define NOTE_CS1 35
+#define NOTE_D1  37
+#define NOTE_DS1 39
+#define NOTE_E1  41
+#define NOTE_F1  44
+#define NOTE_FS1 46
+#define NOTE_G1  49
+#define NOTE_GS1 52
+#define NOTE_A1  55
+#define NOTE_AS1 58
+#define NOTE_B1  62
+#define NOTE_C2  65
+#define NOTE_CS2 69
+#define NOTE_D2  73
+#define NOTE_DS2 78
+#define NOTE_E2  82
+#define NOTE_F2  87
+#define NOTE_FS2 93
+#define NOTE_G2  98
+#define NOTE_GS2 104
+#define NOTE_A2  110
+#define NOTE_AS2 117
+#define NOTE_B2  123
+#define NOTE_C3  131
+#define NOTE_CS3 139
+#define NOTE_D3  147
+#define NOTE_DS3 156
+#define NOTE_E3  165
+#define NOTE_F3  175
+#define NOTE_FS3 185
+#define NOTE_G3  196
+#define NOTE_GS3 208
+#define NOTE_A3  220
+#define NOTE_AS3 233
+#define NOTE_B3  247
+#define NOTE_C4  262
+#define NOTE_CS4 277
+#define NOTE_D4  294
+#define NOTE_DS4 311
+#define NOTE_E4  330
+#define NOTE_F4  349
+#define NOTE_FS4 370
+#define NOTE_G4  392
+#define NOTE_GS4 415
+#define NOTE_A4  440
+#define NOTE_AS4 466
+#define NOTE_B4  494
+#define NOTE_C5  523
+#define NOTE_CS5 554
+#define NOTE_D5  587
+#define NOTE_DS5 622
+#define NOTE_E5  659
+#define NOTE_F5  698
+#define NOTE_FS5 740
+#define NOTE_G5  784
+#define NOTE_GS5 831
+#define NOTE_A5  880
+#define NOTE_AS5 932
+#define NOTE_B5  988
+#define NOTE_C6  1047
+#define NOTE_CS6 1109
+#define NOTE_D6  1175
+#define NOTE_DS6 1245
+#define NOTE_E6  1319
+#define NOTE_F6  1397
+#define NOTE_FS6 1480
+#define NOTE_G6  1568
+#define NOTE_GS6 1661
+#define NOTE_A6  1760
+#define NOTE_AS6 1865
+#define NOTE_B6  1976
+#define NOTE_C7  2093
+#define NOTE_CS7 2217
+#define NOTE_D7  2349
+#define NOTE_DS7 2489
+#define NOTE_E7  2637
+#define NOTE_F7  2794
+#define NOTE_FS7 2960
+#define NOTE_G7  3136
+#define NOTE_GS7 3322
+#define NOTE_A7  3520
+#define NOTE_AS7 3729
+#define NOTE_B7  3951
+#define NOTE_C8  4186
+#define NOTE_CS8 4435
+#define NOTE_D8  4699
+#define NOTE_DS8 4978
+
+const int all_notes[89] = {NOTE_B0,NOTE_C1,NOTE_CS1,NOTE_D1,NOTE_DS1,NOTE_E1,NOTE_F1,
+NOTE_FS1,NOTE_G1,NOTE_GS1,NOTE_A1,NOTE_AS1,NOTE_B1,NOTE_C2,NOTE_CS2,NOTE_D2,NOTE_DS2,
+NOTE_E2,NOTE_F2,NOTE_FS2,NOTE_G2,NOTE_GS2,NOTE_A2,NOTE_AS2,NOTE_B2,NOTE_C3,NOTE_CS3,
+NOTE_D3,NOTE_DS3,NOTE_E3,NOTE_F3,NOTE_FS3,NOTE_G3,NOTE_GS3,NOTE_A3,NOTE_AS3,NOTE_B3,
+NOTE_C4,NOTE_CS4,NOTE_D4,NOTE_DS4,NOTE_E4,NOTE_F4,NOTE_FS4,NOTE_G4,NOTE_GS4,NOTE_A4,
+NOTE_AS4,NOTE_B4,NOTE_C5,NOTE_CS5,NOTE_D5,NOTE_DS5,NOTE_E5,NOTE_F5,NOTE_FS5,NOTE_G5,
+NOTE_GS5,NOTE_A5,NOTE_AS5,NOTE_B5,NOTE_C6,NOTE_CS6,NOTE_D6,NOTE_DS6,NOTE_E6,NOTE_F6,
+NOTE_FS6,NOTE_G6,NOTE_GS6,NOTE_A6,NOTE_AS6,NOTE_B6,NOTE_C7,NOTE_CS7,NOTE_D7,NOTE_DS7,
+NOTE_E7,NOTE_F7,NOTE_FS7,NOTE_G7,NOTE_GS7,NOTE_A7,NOTE_AS7,NOTE_B7,NOTE_C8,NOTE_CS8,NOTE_D8,NOTE_DS8};
+
+int rtttl_to_buffers(String midi, int notes[], int durs[]);