Mac Lobdell
for testing
Fork of
5_songs
by 
MakingMusicWorkshop
Revision 0:0fb17f0d39e7, committed 2016-05-09
- Comitter:
- maclobdell
- Date:
- Mon May 09 19:52:47 2016 +0000
- Commit message:
- initial version - modified from https://github.com/janjongboom/sxsw
Changed in this revision
diff -r 000000000000 -r 0fb17f0d39e7 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 09 19:52:47 2016 +0000
@@ -0,0 +1,53 @@
+#include "mbed.h" // this tells us to load mbed related functions
+#include "tones.h" // list of all the tones and their frequencies
+
+PwmOut buzzer(D3); // our buzzer is a PWM output (pulse-width modulation)
+
+static int BPM = 120;
+
+static void silence() {
+ buzzer.write(0.0f); // silence!
+}
+
+// this is our function that plays a tone.
+// Takes in a tone frequency, and after duration (in ms.) we stop playing again
+static void play_tone(int tone) {
+ buzzer.period_us(tone);
+ buzzer.write(0.10f); // 10% duty cycle, otherwise it's too loud
+}
+
+static void play_song(int notes_left, int* melody, int* duration) {
+ // YOUR CODE HERE
+}
+
+// this code runs when the microcontroller starts up
+void main() {
+ // declare a melody
+ int melody[] = {
+ NOTE_E4, NOTE_D4, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_E4, NOTE_E4,
+ NOTE_D4, NOTE_D4, NOTE_D4, NOTE_E4, NOTE_E4, NOTE_E4,
+ NOTE_E4, NOTE_D4, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_E4, NOTE_E4,
+ NOTE_C4, NOTE_D4, NOTE_D4, NOTE_E4, NOTE_D4, NOTE_C4
+ };
+
+ // note durations: 4 = quarter note, 8 = eighth note, etc.:
+ int duration[] = {
+ 4, 4, 4, 4, 4, 4, 2,
+ 4, 4, 2, 4, 4, 2,
+ 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 2
+ };
+
+ // melody & duration are on the heap, need to get them on the stack
+ int *m = new int[sizeof(melody) / sizeof(int)];
+ memcpy(m, melody, sizeof(melody));
+ int *d = new int[sizeof(duration) / sizeof(int)];
+ memcpy(d, duration, sizeof(duration));
+
+ if (sizeof(melody) != sizeof(duration)) {
+ printf("Melody and duration do not have same number of elements! Aborting!\r\n");
+ return;
+ }
+
+ play_song(sizeof(melody) / sizeof(int), m, d);
+}
diff -r 000000000000 -r 0fb17f0d39e7 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 09 19:52:47 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/aae6fcc7d9bb \ No newline at end of file
diff -r 000000000000 -r 0fb17f0d39e7 tones.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tones.h Mon May 09 19:52:47 2016 +0000 @@ -0,0 +1,94 @@ +#ifndef SXSW_TONES_H +#define SXSW_TONES_H + +#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 + +#endif