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」で使うプログラムを,入力として STM32F746 の内蔵 ADC を使うように変更したもの. http://seminar.cqpub.co.jp/ccm/ES18-0020
Dependencies: mbed Array_Matrix BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG
Filter/Multiplier.hpp@0:ab7a35d87173, 2017-10-07 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sat Oct 07 03:28:40 2017 +0000
- Revision:
- 0:ab7a35d87173
1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:ab7a35d87173 | 1 | //--------------------------------------------------- |
MikamiUitOpen | 0:ab7a35d87173 | 2 | // 定数乗算器 |
MikamiUitOpen | 0:ab7a35d87173 | 3 | // |
MikamiUitOpen | 0:ab7a35d87173 | 4 | // 2017/09/27, Copyright (c) 2017 MIKAMI, Naoki |
MikamiUitOpen | 0:ab7a35d87173 | 5 | //--------------------------------------------------- |
MikamiUitOpen | 0:ab7a35d87173 | 6 | |
MikamiUitOpen | 0:ab7a35d87173 | 7 | #ifndef CONST_MULTIPLY_HPP |
MikamiUitOpen | 0:ab7a35d87173 | 8 | #define CONST_MULTIPLY_HPP |
MikamiUitOpen | 0:ab7a35d87173 | 9 | |
MikamiUitOpen | 0:ab7a35d87173 | 10 | #include "mbed.h" |
MikamiUitOpen | 0:ab7a35d87173 | 11 | |
MikamiUitOpen | 0:ab7a35d87173 | 12 | class Multiplier |
MikamiUitOpen | 0:ab7a35d87173 | 13 | { |
MikamiUitOpen | 0:ab7a35d87173 | 14 | public: |
MikamiUitOpen | 0:ab7a35d87173 | 15 | // コンストラクタ |
MikamiUitOpen | 0:ab7a35d87173 | 16 | Multiplier(float factor) : C_(factor) {} |
MikamiUitOpen | 0:ab7a35d87173 | 17 | |
MikamiUitOpen | 0:ab7a35d87173 | 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:ab7a35d87173 | 19 | int16_t Execute(int16_t xn) |
MikamiUitOpen | 0:ab7a35d87173 | 20 | { |
MikamiUitOpen | 0:ab7a35d87173 | 21 | int16_t yn = C_*xn; |
MikamiUitOpen | 0:ab7a35d87173 | 22 | return yn; |
MikamiUitOpen | 0:ab7a35d87173 | 23 | } |
MikamiUitOpen | 0:ab7a35d87173 | 24 | private: |
MikamiUitOpen | 0:ab7a35d87173 | 25 | const float C_; |
MikamiUitOpen | 0:ab7a35d87173 | 26 | }; |
MikamiUitOpen | 0:ab7a35d87173 | 27 | #endif // CONST_MULTIPLY_HPP |