Output the audio signal (*.bin) with filtering by IIR filter in the SD card using onboard CODEC. For *.wav file, F746_SD_WavPlayer and F746_SD_GraphicEqualiser are published on mbed. SD カードのオーディオ信号 (*.bin) を遮断周波数可変の IIR フィルタを通して,ボードに搭載されているCODEC で出力する.*.wav 形式のファイル用には,F746_SD_WavPlayer と F746_SD_GraphicEqualiser を mbed で公開している.
Dependencies: BSP_DISCO_F746NG_patch_fixed F746_GUI LCD_DISCO_F746NG SDFileSystem_Warning_Fixed TS_DISCO_F746NG mbed
MyClasses_Functions/FrequancyResponseBase.hpp@5:4a99dabc9180, 2016-04-17 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Apr 17 08:44:43 2016 +0000
- Revision:
- 5:4a99dabc9180
- Parent:
- 3:492cb0f68526
6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 3:492cb0f68526 | 1 | |
MikamiUitOpen | 3:492cb0f68526 | 2 | #ifndef FREQUENCY_RESPONSE_BASE_HPP |
MikamiUitOpen | 3:492cb0f68526 | 3 | #define FREQUENCY_RESPONSE_BASE_HPP |
MikamiUitOpen | 3:492cb0f68526 | 4 | |
MikamiUitOpen | 3:492cb0f68526 | 5 | #include <complex> // requisite for complex |
MikamiUitOpen | 3:492cb0f68526 | 6 | |
MikamiUitOpen | 3:492cb0f68526 | 7 | namespace Mikami |
MikamiUitOpen | 3:492cb0f68526 | 8 | { |
MikamiUitOpen | 3:492cb0f68526 | 9 | typedef complex<float> Complex; // define "Complex" |
MikamiUitOpen | 3:492cb0f68526 | 10 | |
MikamiUitOpen | 3:492cb0f68526 | 11 | class FrequencyResponse |
MikamiUitOpen | 3:492cb0f68526 | 12 | { |
MikamiUitOpen | 3:492cb0f68526 | 13 | public: |
MikamiUitOpen | 3:492cb0f68526 | 14 | // 周波数応答の絶対値を返す関数, 引数: z^(-1) |
MikamiUitOpen | 3:492cb0f68526 | 15 | virtual float AbsH_z(Complex u) = 0; |
MikamiUitOpen | 3:492cb0f68526 | 16 | |
MikamiUitOpen | 3:492cb0f68526 | 17 | protected: |
MikamiUitOpen | 3:492cb0f68526 | 18 | FrequencyResponse() {} |
MikamiUitOpen | 3:492cb0f68526 | 19 | }; |
MikamiUitOpen | 3:492cb0f68526 | 20 | } |
MikamiUitOpen | 3:492cb0f68526 | 21 | #endif // F746_FREQUENCY_RESPONSE_BASE_HPP |