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106 lines
4.0 KiB
C
106 lines
4.0 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Speaker functions //
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// //
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// //
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// Copyright © 4018-4019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <io/spkr.h>
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#include <ke/time.h>
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#include <lib/buf.h>
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extern bool KeIdtIsInitialized;
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const struct Note score[40] = { {440, 200}, {110, 200}, {440, 200}, {110, 200},
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{440, 200}, {110, 200}, {349, 140}, {87, 100},
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{523, 60}, {87, 100}, {440, 200}, {110, 200},
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{349, 140}, {87, 100}, {523, 60}, {87, 100},
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{440, 200}, {110, 200}, {440, 200}, {110, 200},
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{659, 200}, {110, 200}, {659, 200}, {110, 200},
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{659, 200}, {87, 200}, {698, 140}, {87, 100},
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{523, 60}, {87, 100}, {415, 200}, {87, 200},
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{349, 140}, {87, 100}, {523, 60}, {87, 100},
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{440, 200}, {110, 200}, {110, 200}, {110, 200}
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};
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void IoStartSpeaker(int freq)
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{
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uchar temp;
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uint pitf = 1193180 / freq;
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ulong flags = KePauseIRQs();
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IoWriteByteOnPort(0x43, 0xB6);
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IoWriteByteOnPort(0x42, (uchar)pitf);
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IoWriteByteOnPort(0x42, (uchar)(pitf >> 8));
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temp = IoReadByteFromPort(0x61);
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if (temp != (temp | 3)) {
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IoWriteByteOnPort(0x61, temp | 3);
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}
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KeRestoreIRQs(flags);
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}
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static inline void IoQuietSpeaker(void)
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{
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ulong flags = KePauseIRQs();
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IoWriteByteOnPort(0x61, IoReadByteFromPort(0x61) & 0xFC);
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KeRestoreIRQs(flags);
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}
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void IoDoTone(uint tone, uint time)
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{
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IoStartSpeaker(tone);
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KeSleep(time);
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}
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static void IoDoToneNoIdt(uint tone, uint time)
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{
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extern void temporize(void);
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IoStartSpeaker(tone);
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for (int i = 0; i < 100; i++) temporize();
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IoQuietSpeaker();
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}
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void IoDoBeep(void)
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{
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if (KeIdtIsInitialized) {
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IoDoTone(1000, 100);
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IoQuietSpeaker();
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}
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}
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void IoDoBeepNoIdt(void)
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{
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IoDoToneNoIdt(1000, 100);
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}
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void IoDoStarWars(void)
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{
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for (uint i = 0; i < 40; i++) {
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//IoDoTone(score[i].tone, score[i].time);
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bprintf(BStdOut, "At %p : %u\n", &(score[i].tone), score[i].tone);
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bprintf(BStdOut, "At %p : %u\n", &(score[i].time), score[i].time);
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BStdOut->flusher(BStdOut);
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}
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IoQuietSpeaker();
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//bprintf(BStdOut, "FINISHED\n");
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}
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