CQエレクトロニクス・セミナ「実習・マイコンを動かしながら学ぶディジタル・フィルタ」で使うプログラム.雛形として使う. http://seminar.cqpub.co.jp/ccm/ES18-0020
Dependencies: F746_GUI F746_SAI_IO mbed
Filter/Multiplier.hpp@5:976ef47a7f25, 2018-03-20 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Tue Mar 20 11:15:47 2018 +0000
- Revision:
- 5:976ef47a7f25
- Parent:
- 0:b6d17af0f47a
6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:b6d17af0f47a | 1 | //--------------------------------------------------- |
MikamiUitOpen | 0:b6d17af0f47a | 2 | // 定数乗算器 |
MikamiUitOpen | 0:b6d17af0f47a | 3 | // |
MikamiUitOpen | 5:976ef47a7f25 | 4 | // 2018/03/20, Copyright (c) 2018 MIKAMI, Naoki |
MikamiUitOpen | 0:b6d17af0f47a | 5 | //--------------------------------------------------- |
MikamiUitOpen | 0:b6d17af0f47a | 6 | |
MikamiUitOpen | 0:b6d17af0f47a | 7 | #ifndef CONST_MULTIPLY_HPP |
MikamiUitOpen | 0:b6d17af0f47a | 8 | #define CONST_MULTIPLY_HPP |
MikamiUitOpen | 0:b6d17af0f47a | 9 | |
MikamiUitOpen | 0:b6d17af0f47a | 10 | #include "mbed.h" |
MikamiUitOpen | 0:b6d17af0f47a | 11 | |
MikamiUitOpen | 0:b6d17af0f47a | 12 | class Multiplier |
MikamiUitOpen | 0:b6d17af0f47a | 13 | { |
MikamiUitOpen | 0:b6d17af0f47a | 14 | public: |
MikamiUitOpen | 0:b6d17af0f47a | 15 | // コンストラクタ |
MikamiUitOpen | 0:b6d17af0f47a | 16 | Multiplier(float factor) : C_(factor) {} |
MikamiUitOpen | 0:b6d17af0f47a | 17 | |
MikamiUitOpen | 0:b6d17af0f47a | 18 | // 定数を乗算する処理の実行,戻り値は int16_t 型とすること |
MikamiUitOpen | 0:b6d17af0f47a | 19 | int16_t Execute(int16_t xn) |
MikamiUitOpen | 0:b6d17af0f47a | 20 | { |
MikamiUitOpen | 5:976ef47a7f25 | 21 | float yn = C_*xn; |
MikamiUitOpen | 5:976ef47a7f25 | 22 | return (int16_t)yn; |
MikamiUitOpen | 0:b6d17af0f47a | 23 | } |
MikamiUitOpen | 0:b6d17af0f47a | 24 | private: |
MikamiUitOpen | 0:b6d17af0f47a | 25 | const float C_; |
MikamiUitOpen | 0:b6d17af0f47a | 26 | }; |
MikamiUitOpen | 0:b6d17af0f47a | 27 | #endif // CONST_MULTIPLY_HPP |