90 lines
3.1 KiB
C++
Executable File
90 lines
3.1 KiB
C++
Executable File
/*****************************************************************************
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* *
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* P C S P K *
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* *
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*---------------------------------------------------------------------------*
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* Beschreibung: Mit Hilfe dieser Klasse kann man Toene auf dem *
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* PC-Lautsprecher ausgeben. *
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* *
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* Achtung: Qemu muss mit dem Parameter -soundhw pcspk aufgerufen *
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* werden. Ansonsten kann man nichts hoeren. *
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* *
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* Autor: Michael Schoettner, HHU, 22.9.2016 *
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*****************************************************************************/
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#ifndef PCSPK_include__
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#define PCSPK_include__
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#include "kernel/IOport.h"
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// Note, Frequenz
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constexpr const float C0 = 130.81;
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constexpr const float C0X = 138.59;
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constexpr const float D0 = 146.83;
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constexpr const float D0X = 155.56;
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constexpr const float E0 = 164.81;
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constexpr const float F0 = 174.61;
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constexpr const float F0X = 185.00;
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constexpr const float G0 = 196.00;
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constexpr const float G0X = 207.65;
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constexpr const float A0 = 220.00;
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constexpr const float A0X = 233.08;
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constexpr const float B0 = 246.94;
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constexpr const float C1 = 261.63;
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constexpr const float C1X = 277.18;
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constexpr const float D1 = 293.66;
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constexpr const float D1X = 311.13;
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constexpr const float E1 = 329.63;
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constexpr const float F1 = 349.23;
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constexpr const float F1X = 369.99;
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constexpr const float G1 = 391.00;
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constexpr const float G1X = 415.30;
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constexpr const float A1 = 440.00;
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constexpr const float A1X = 466.16;
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constexpr const float B1 = 493.88;
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constexpr const float C2 = 523.25;
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constexpr const float C2X = 554.37;
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constexpr const float D2 = 587.33;
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constexpr const float D2X = 622.25;
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constexpr const float E2 = 659.26;
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constexpr const float F2 = 698.46;
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constexpr const float F2X = 739.99;
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constexpr const float G2 = 783.99;
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constexpr const float G2X = 830.61;
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constexpr const float A2 = 880.00;
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constexpr const float A2X = 923.33;
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constexpr const float B2 = 987.77;
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constexpr const float C3 = 1046.50;
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class PCSPK {
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private:
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static const IOport control; // Steuerregister (write only)
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static const IOport data2; // Zaehler-2 Datenregister
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static const IOport ppi; // Status-Register des PPI
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// Verzoegerung um X ms (in 1ms Schritten; Min. 1ms)
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static inline void delay(int time);
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public:
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PCSPK(const PCSPK& copy) = delete; // Verhindere Kopieren
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// Konstruktor. Initialisieren der Ports.
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PCSPK() = default;
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// Can't make singleton because atexit
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// Demo Sounds
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static void tetris();
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static void aerodynamic();
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// Ton abspielen
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static void play(float f, int len);
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// Lautsprecher ausschalten
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static void off();
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};
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#endif
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