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authorTom2012-01-11 17:00:30 +0100
committerTom2012-01-11 17:00:30 +0100
commit9fcc469afa01fc9ea42e4cbb96c5b195c5bcd371 (patch)
tree89d4015f6a34119069665d74a67d871fcd124509 /Src/osmolib/src/target/firmware/include/calypso/buzzer.h
parentrefresh (diff)
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all reupped
Diffstat (limited to 'Src/osmolib/src/target/firmware/include/calypso/buzzer.h')
-rw-r--r--Src/osmolib/src/target/firmware/include/calypso/buzzer.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/Src/osmolib/src/target/firmware/include/calypso/buzzer.h b/Src/osmolib/src/target/firmware/include/calypso/buzzer.h
new file mode 100644
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+++ b/Src/osmolib/src/target/firmware/include/calypso/buzzer.h
@@ -0,0 +1,34 @@
+#ifndef _CAL_BUZZER_H
+#define _CAL_BUZZER_H
+
+#define NOTE(n,oct) (n<<2 | (oct & 0x03))
+
+#define NOTE_E 0x00
+#define NOTE_DIS 0x01
+#define NOTE_D 0x02
+#define NOTE_CIS 0x03
+#define NOTE_C 0x04
+#define NOTE_H 0x05
+#define NOTE_AIS 0x06
+#define NOTE_A 0x07
+#define NOTE_GIS 0x08
+#define NOTE_G 0x09
+#define NOTE_FIS 0x0A
+#define NOTE_F 0x0B
+
+#define OCTAVE_5 OCTAVE(0x00)
+#define OCTAVE_4 OCTAVE(0x01)
+#define OCTAVE_3 OCTAVE(0x02)
+#define OCTAVE_2 OCTAVE(0x03)
+#define OCTAVE_1 OCTAVE(0x04)
+
+#define OCTAVE(m) (m>NOTE_C?m+1:m)
+
+/* Switch buzzer to PWT mode (or back) */
+void buzzer_mode_pwt(int on);
+/* Set the buzzer level */
+void buzzer_volume(uint8_t level);
+/* Set the buzzer note */
+void buzzer_note(uint8_t note);
+
+#endif /* _CAL_BUZZER_H */