Diff: YMZ294.h

Revision:

0:4d1fe8f35716

diff -r 000000000000 -r 4d1fe8f35716 YMZ294.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/YMZ294.h	Wed Jul 06 09:34:54 2011 +0000
@@ -0,0 +1,35 @@
+#ifndef MBED_YMZ294_H
+#define MBED_YMZ294_H
+
+#include "mbed.h"
+
+enum Channel {CHANNEL_A = 0, CHANNEL_B, CHANNEL_C};
+
+enum Mixer {NONE = 0x3F,
+            TONE_A = ~(1 << 0), TONE_B = ~(1 << 1), TONE_C = ~(1 << 2),
+            NOISE_A = ~(1 << 3), NOISE_B = ~(1 << 4), NOISE_C = ~(1 << 5)
+           };
+
+class YMZ294 {
+public:
+    YMZ294(PinName dataPin0, PinName dataPin1, PinName dataPin2, PinName dataPin3,
+           PinName dataPin4, PinName dataPin5, PinName dataPin6, PinName dataPin7,
+           PinName csPin, PinName wrPin, PinName a0Pin);
+    void setTone(Channel channel, float freq);
+    void setVolume(Channel channel, int volume);
+    void setNoise(int freq);
+    void setEnvelope(int freq, int shape);
+    void setMixer(Mixer m0, Mixer m1 = NONE, Mixer m2 = NONE, Mixer m3 = NONE, Mixer m4 = NONE, Mixer m5 = NONE);
+private:
+    void write(char data, bool dataWrite = false);
+    void writeData(char address, int data, int nBytes = 1);
+
+    BusOut dataPins;
+    DigitalOut csPin;
+    DigitalOut wrPin;
+    DigitalOut a0Pin;
+    char volumes[3];
+    float freqs[3];
+    float noiseFreq;
+};
+#endif
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