Nucleo F401REでFM音源を実装するやつ の実装途中で32ポリ音源にしたやつ 外部DACとオペアンプを利用 現在はMCP4922とNJM2737
Dependencies: AOTTrigon I2CEEPROM MCP4922 mbed
Diff: Operator.h
- Revision:
- 7:439c57c20593
- Child:
- 9:12a54d2ea8fc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Operator.h Mon Dec 29 02:34:12 2014 +0000 @@ -0,0 +1,30 @@ +#pragma once +#include "mbed.h" +#include "AOTTrigon.h" + + +class FMOperator { + +public: + FMOperator(Timer tm, AOTTrigon t); + float calculate(float fmIn); + float attackNote(float freq); + float releaseNote(); + + float attack; + float delay; + float sustain; + float sustainRate; + float release; + + float frequencyMultiple; + float totalLevel; + +private: + Timer master; + AOTTrigon tri; + //時間だけdouble確保 + double startTime; + double releaseTime; + double baseFrequency; +}; \ No newline at end of file