不韋 呂 / Mbed 2 deprecated CQ_DigitalFilterLab_IIR1st_Variable

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．1次IIRフィルタの係数をターミナルから変更できる． http://seminar.cqpub.co.jp/ccm/ES18-0020

Dependencies:   mbed Array_Matrix BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG

MyFiles/Trigger.hpp@2:aa11055138a2, 2017-11-08 (annotated)

Committer:
MikamiUitOpen
Date:
Wed Nov 08 11:10:56 2017 +0000
Revision:
2:aa11055138a2
Parent:
0:47718d3154d9 
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:47718d3154d9 1 //---------------------------------------------------------------
MikamiUitOpen 0:47718d3154d9 2 // トリガの条件を満足する点を探す
MikamiUitOpen 0:47718d3154d9 3 //
MikamiUitOpen 0:47718d3154d9 4 // 2017/07/24, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:47718d3154d9 5 //---------------------------------------------------------------
MikamiUitOpen 0:47718d3154d9 6
MikamiUitOpen 0:47718d3154d9 7 #ifndef F746_TRIGGER_HPP
MikamiUitOpen 0:47718d3154d9 8 #define F746_TRIGGER_HPP
MikamiUitOpen 0:47718d3154d9 9
MikamiUitOpen 0:47718d3154d9 10 #include "mbed.h"
MikamiUitOpen 0:47718d3154d9 11 #include "Array.hpp"
MikamiUitOpen 0:47718d3154d9 12
MikamiUitOpen 0:47718d3154d9 13 namespace Mikami
MikamiUitOpen 0:47718d3154d9 14 {
MikamiUitOpen 0:47718d3154d9 15 int Trigger(const Array<int16_t>& xn, // 対象とするデータ
MikamiUitOpen 0:47718d3154d9 16 int th) // トリガの基準値
MikamiUitOpen 0:47718d3154d9 17 {
MikamiUitOpen 0:47718d3154d9 18 int n;
MikamiUitOpen 0:47718d3154d9 19 for (n=1; n<xn.Length()/2; n++)
MikamiUitOpen 0:47718d3154d9 20 if ((xn[n-1] < -th) && (xn[n] > th))
MikamiUitOpen 0:47718d3154d9 21 return n;
MikamiUitOpen 0:47718d3154d9 22 return 0;
MikamiUitOpen 0:47718d3154d9 23 }
MikamiUitOpen 0:47718d3154d9 24 }
MikamiUitOpen 0:47718d3154d9 25 #endif // F746_TRIGGER_HPP