1
0
mirror of https://gitlab.os-k.eu/os-k-team/os-k.git synced 2023-08-25 14:03:10 +02:00
os-k/kaleid/kernel/io/spkr.c

93 lines
3.6 KiB
C
Raw Normal View History

2019-05-06 21:08:16 +02:00
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Speaker functions //
// //
// //
2019-05-07 17:02:25 +02:00
// Copyright © 4018-4019 The OS/K Team //
2019-05-06 21:08:16 +02:00
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
2019-05-13 23:22:27 +02:00
#include <io/spkr.h>
#include <ke/time.h>
2019-05-06 21:08:16 +02:00
2019-05-19 01:33:16 +02:00
extern bool KeIdtIsInitialized;
2019-05-06 21:08:16 +02:00
void IoStartSpeaker(int freq)
{
2019-05-18 19:09:46 +02:00
uchar temp;
uint pitf = 1193180 / freq;
2019-05-06 21:08:16 +02:00
2019-05-07 15:48:09 +02:00
ulong flags = KePauseIRQs();
2019-05-06 21:08:16 +02:00
IoWriteByteOnPort(0x43, 0xB6);
2019-05-18 19:09:46 +02:00
IoWriteByteOnPort(0x42, (uchar)pitf);
IoWriteByteOnPort(0x42, (uchar)(pitf >> 8));
2019-05-06 21:08:16 +02:00
temp = IoReadByteFromPort(0x61);
if (temp != (temp | 3)) {
IoWriteByteOnPort(0x61, temp | 3);
}
2019-05-07 15:48:09 +02:00
KeRestoreIRQs(flags);
2019-05-06 21:08:16 +02:00
}
void IoQuietSpeaker(void)
{
2019-05-18 19:09:46 +02:00
ulong flags = KePauseIRQs();
2019-05-06 21:08:16 +02:00
IoWriteByteOnPort(0x61, IoReadByteFromPort(0x61) & 0xFC);
2019-05-18 19:09:46 +02:00
KeRestoreIRQs(flags);
2019-05-06 21:08:16 +02:00
}
2019-05-07 17:02:25 +02:00
void IoDoTone(uint tone, uint time)
{
IoStartSpeaker(tone);
2019-05-14 11:48:07 +02:00
KeDelayExecution(time);
2019-05-07 17:02:25 +02:00
IoQuietSpeaker();
}
2019-05-18 19:09:46 +02:00
void IoDoBeep(void)
{
2019-05-19 01:33:16 +02:00
if (KeIdtIsInitialized)
IoDoTone(1000, 100);
2019-05-18 19:09:46 +02:00
}
2019-05-07 17:02:25 +02:00
void IoDoStarWars(void)
{
2019-05-18 19:09:46 +02:00
size_t i;
2019-05-07 17:02:25 +02:00
struct Note {
uint tone;
uint time;
};
2019-05-18 19:09:46 +02:00
struct Note score[] = { {440, 200}, {110, 200}, {440, 200}, {110, 200},
{440, 200}, {110, 200}, {349, 140}, {87, 100},
{523, 60}, {87, 100}, {440, 200}, {110, 200},
{349, 140}, {87, 100}, {523, 60}, {87, 100},
2019-05-07 17:14:13 +02:00
{440, 200}, {110, 200}, {440, 200}, {110, 200},
2019-05-07 17:02:25 +02:00
{659, 200}, {110, 200}, {659, 200}, {110, 200},
2019-05-07 17:14:13 +02:00
{659, 200}, {87, 200}, {698, 140}, {87, 100},
2019-05-18 19:09:46 +02:00
{523, 60}, {87, 100}, {415, 200}, {87, 200},
{349, 140}, {87, 100}, {523, 60}, {87, 100},
2019-05-07 17:14:13 +02:00
{440, 200}, {110, 200}, {110, 200}, {110, 200}
2019-05-18 19:09:46 +02:00
};
2019-05-07 17:02:25 +02:00
2019-05-18 19:09:46 +02:00
for (i = 0; i < sizeof(score)/sizeof(struct Note); i++) {
IoDoTone(score[i].tone, score[i].time);
2019-05-07 17:02:25 +02:00
}
}