Takumi Nakagawara
/
Mseq
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Diff: Mseq.h
- Revision:
- 0:3e4357746fe2
diff -r 000000000000 -r 3e4357746fe2 Mseq.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Mseq.h Thu Mar 28 07:14:57 2019 +0000
@@ -0,0 +1,33 @@
+#ifndef MSEQ_H
+#define MSEQ_H
+
+#include "mbed.h"
+
+/**
+ * @brief M-sequence (maximum length sequence) generator
+ */
+class Mseq
+{
+private:
+ //! シフトレジスタのビット数
+ uint8_t n;
+
+ //! シフトレジスタ本体
+ //! reg[0](LSB)が出力
+ //! reg[n](MSB)がフィードバック先
+ //! 更新時にはregが右に1bitずつしふとされていく
+ uint32_t reg;
+
+ //! regの更新時にfeedbackするbitの位置
+ uint32_t coef;
+
+public:
+ Mseq(uint8_t _n);
+ void reset();
+ void reset(uint8_t _n);
+ uint8_t update();
+ uint8_t getOutput() const;
+ uint32_t getRegister() const;
+};
+
+#endif
\ No newline at end of file