Real-time spectrum analyzer for ST Nucleo F401RE using Seeed Studio 2.8'' TFT Touch Shield V2.0.
Dependencies: SeeedStudioTFTv2 UITDSP_ADDA UIT_FFT_Real mbed
SpactrumAnalysisClasses/SpectrumDisplay.hpp
- Committer:
- MikamiUitOpen
- Date:
- 2015-07-26
- Revision:
- 0:c5b026c2d07e
File content as of revision 0:c5b026c2d07e:
//------------------------------------------------------- // Class for display spectrum // Copyright (c) 2014 MIKAMI, Naoki, 2014/12/28 //------------------------------------------------------- #ifndef SPECTRUM_DISPLAY_HPP #define SPECTRUM_DISPLAY_HPP // Following two files were imported from // http://developer.mbed.org/teams/shields/code/ // Seeed_TFT_Touch_Shield/ #include "SeeedStudioTFTv2.h" // imported #include "Arial12x12.h" // imported namespace Mikami { class SpectrumDisplay { public: SpectrumDisplay(SeeedStudioTFTv2* lcd, int nFft, int x0, int y0, float db1, int bin, float maxDb, int fs); void BarChart(float db[], float offset); void LineChart(float db[], float offset); void DisplayVolume(float volume); private: const int N_FFT_; // number of date for FFT const int X0_; // Origin for x axis const int Y0_; // Origin for y axis const float DB1_; // Pixels for 1 dB const int BIN_; // Pixels per bin const float MAX_DB_; // Maximum dB const int FS_; // Sampling frequency: 10 kHz SeeedStudioTFTv2* lcd_; void AxisX(); // x-axis void AxisY(); // y-axis }; } #endif // SPECTRUM_DISPLAY_HPP