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Nucleo-F446 による遮断周波数可変 LPF/HPF .DA変換器にデータを送る際は 4 倍にアップ・サンプリング.
Dependencies: mbed SerialTxRxIntr F446_AD_DA_MultirateSWI
Revision 8:da8bdc49f7ad, committed 2019-06-30
- Comitter:
- MikamiUitOpen
- Date:
- Sun Jun 30 02:21:43 2019 +0000
- Parent:
- 7:c701ad3aaf5c
- Commit message:
- 8
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r c701ad3aaf5c -r da8bdc49f7ad main.cpp --- a/main.cpp Thu Jan 31 03:12:10 2019 +0000 +++ b/main.cpp Sun Jun 30 02:21:43 2019 +0000 @@ -5,7 +5,7 @@ // 周波数特性が PC の画面に表示され,その上のカーソルをマウスでドラッグすることで, // 遮断周波数を変えられる // -// 2019/01/31, Copyright (c) 2019 MIKAMI, Naoki +// 2019/06/30, Copyright (c) 2019 MIKAMI, Naoki //---------------------------------------------------------------------- #include "main.hpp" @@ -16,7 +16,7 @@ // Serial クラスの受信割込み用オブジェクト SerialRxTxIntr rx_; -// 8 次の IIR フィルタ +// 10 次の IIR フィルタ const int ORDER_ = 10; Biquad myBiquad_[ORDER_/2]; IirCascade iir8_(ORDER_, myBiquad_); // IIR 縦続形のオブジェクト
diff -r c701ad3aaf5c -r da8bdc49f7ad mbed.bld --- a/mbed.bld Thu Jan 31 03:12:10 2019 +0000 +++ b/mbed.bld Sun Jun 30 02:21:43 2019 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file