Diff: main.cpp

Revision:

0:21e39bc75e31

Child:

1:a9cbde6ba5a5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 30 19:04:42 2016 +0000
@@ -0,0 +1,76 @@
+#include "mbed.h"
+#include "Sequence.h"
+#include "SequenceSender.h"
+
+#define SEQUENCE_N  16
+
+#define SPI_RATE            (8000000)
+#define SPI_WAIT            (wait_us(1))
+#define DCO_PACKET_HEADER   (0x55)
+#define DCO_WAVE_FORM       (0x00)
+#define DCO_PULSE_WIDTH     (0x80)
+
+#define DBG_TRACE   0
+
+class SpiSequenceSender : public SequenceSender {
+public:
+    SpiSequenceSender(SPI* _pSpim, PinName _DcoCS, Sequence* _sequences, int _sequenceNum, int _samplingRate=5, int _bpm=120) :
+        SequenceSender(_sequences, _sequenceNum, _samplingRate, _bpm),
+        pSpiM(_pSpim), DcoCS(_DcoCS) {}
+
+    virtual void outDco(uint32_t frequency)
+    {
+        uint16_t frequency16 = frequency >> 16; 
+#if(DBG_TRACE)        
+        printf("%d\t", frequency16);
+        printf("%d\t", DCO_PACKET_HEADER);
+        printf("%d\t", DCO_WAVE_FORM);
+        printf("%d\t", DCO_PULSE_WIDTH);
+        printf("%d\t", frequency16 >> 8);
+        printf("%d\t", frequency16 & 0xff);
+        printf("\r\n");
+#endif
+        DcoCS = 0;
+        pSpiM->write(DCO_PACKET_HEADER);
+        pSpiM->write(DCO_WAVE_FORM);
+        pSpiM->write(DCO_PULSE_WIDTH);
+        pSpiM->write(frequency16 >> 8);
+        pSpiM->write(frequency16 & 0xff);
+        SPI_WAIT;
+        DcoCS = 1;
+    }
+
+private:
+    SPI* pSpiM;
+    DigitalOut DcoCS;
+};
+
+SPI spiMaster(SPI_MOSI, SPI_MISO, SPI_SCK);
+
+Sequence sequence[SEQUENCE_N];
+SpiSequenceSender sequenceSender(&spiMaster, D10, sequence, SEQUENCE_N, 100);
+
+int main()
+{
+    spiMaster.format(8, 0);
+    spiMaster.frequency(SPI_RATE);
+    
+    // Test SequencerSender Run
+    //
+    sequenceSender.setBpm(20);
+    for (int i = 0; i < SEQUENCE_N; i++) {
+        Sequence& seq = sequenceSender.getSequences()[i];
+        seq.setPitch(0);
+        seq.setOctave(0);
+        seq.tie = true;
+    }
+
+    sequence[3].setOctave(1);
+    sequence[3].tie = false;
+    sequence[7].setOctave(1);
+    sequence[11].setOctave(1);
+    sequence[11].tie = false;
+    sequence[15].setOctave(1);
+
+    sequenceSender.run(0);
+}