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Dependencies:   mbed SerialTxRxIntr MyTicker7 Array_Matrix

MSeq16.hpp@1:ea5aa7f3d68c, 2020-12-23 (annotated)

Committer:
MikamiUitOpen
Date:
Wed Dec 23 01:07:09 2020 +0000
Revision:
1:ea5aa7f3d68c
Parent:
0:17c762b41fc7 
2

Who changed what in which revision?

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MikamiUitOpen 0:17c762b41fc7 1 //---------------------------------------------------------
MikamiUitOpen 0:17c762b41fc7 2 // M 系列信号発生器（N = 16）
MikamiUitOpen 0:17c762b41fc7 3 //
MikamiUitOpen 0:17c762b41fc7 4 // 2020/10/17, Copyright (c) 2020 MIKAMI, Naoki
MikamiUitOpen 0:17c762b41fc7 5 //---------------------------------------------------------
MikamiUitOpen 0:17c762b41fc7 6
MikamiUitOpen 0:17c762b41fc7 7 #include "mbed.h"
MikamiUitOpen 0:17c762b41fc7 8
MikamiUitOpen 0:17c762b41fc7 9 #ifndef MSEQ16_HPP
MikamiUitOpen 0:17c762b41fc7 10 #define MSEQ16_HPP
MikamiUitOpen 0:17c762b41fc7 11
MikamiUitOpen 0:17c762b41fc7 12 namespace Mikami
MikamiUitOpen 0:17c762b41fc7 13 {
MikamiUitOpen 0:17c762b41fc7 14 class MSeq16
MikamiUitOpen 0:17c762b41fc7 15 {
MikamiUitOpen 0:17c762b41fc7 16 public:
MikamiUitOpen 0:17c762b41fc7 17 MSeq16() : reg_(1) {}
MikamiUitOpen 0:17c762b41fc7 18
MikamiUitOpen 0:17c762b41fc7 19 // 戻り値： 1 => 1, 0 => -1
MikamiUitOpen 0:17c762b41fc7 20 int Execute()
MikamiUitOpen 0:17c762b41fc7 21 {
MikamiUitOpen 0:17c762b41fc7 22 if ((reg_ & B_M_) == B_M_)
MikamiUitOpen 0:17c762b41fc7 23 {
MikamiUitOpen 0:17c762b41fc7 24 reg_ = ((reg_ ^ XOR_) << 1) | 1; // 1 の場合の処理
MikamiUitOpen 0:17c762b41fc7 25 return 1;
MikamiUitOpen 0:17c762b41fc7 26 }
MikamiUitOpen 0:17c762b41fc7 27 else
MikamiUitOpen 0:17c762b41fc7 28 {
MikamiUitOpen 0:17c762b41fc7 29 reg_ = reg_ << 1; // 0 の場合の処理
MikamiUitOpen 0:17c762b41fc7 30 return -1;
MikamiUitOpen 0:17c762b41fc7 31 }
MikamiUitOpen 0:17c762b41fc7 32 }
MikamiUitOpen 0:17c762b41fc7 33 private:
MikamiUitOpen 0:17c762b41fc7 34 static const uint16_t XOR_ = (1 << (2-1))
MikamiUitOpen 0:17c762b41fc7 35 | (1 << (3-1))
MikamiUitOpen 0:17c762b41fc7 36 | (1 << (5-1)); // XOR の位置に対応する定数
MikamiUitOpen 0:17c762b41fc7 37 static const uint16_t B_M_ = 1 << (16-1); // 16 段目に相当するビットを調べる
MikamiUitOpen 0:17c762b41fc7 38
MikamiUitOpen 0:17c762b41fc7 39 uint16_t reg_;
MikamiUitOpen 0:17c762b41fc7 40 };
MikamiUitOpen 0:17c762b41fc7 41 }
MikamiUitOpen 0:17c762b41fc7 42 #endif // MSEQ16_HPP