107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
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/* console.c -- Open Firmware console for GRUB. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc.
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*
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* GRUB 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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* (at your option) any later version.
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*
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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/term.h>
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/time.h>
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#include <grub/terminfo.h>
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#include <grub/dl.h>
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#include <grub/speaker.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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extern struct grub_terminfo_output_state grub_spkmodem_terminfo_output;
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static void
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put (struct grub_term_output *term __attribute__ ((unused)), const int c)
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{
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int i;
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for (i = 7; i >= 0; i--)
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{
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if ((c >> i) & 1)
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grub_speaker_beep_on (2000);
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else
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grub_speaker_beep_on (4000);
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grub_millisleep (10);
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grub_speaker_beep_on (1000);
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grub_millisleep (10);
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}
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grub_speaker_beep_on (50);
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}
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static grub_err_t
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grub_spkmodem_init_output (struct grub_term_output *term)
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{
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grub_speaker_beep_on (50);
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grub_millisleep (50);
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grub_terminfo_output_init (term);
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return 0;
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}
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static grub_err_t
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grub_spkmodem_fini_output (struct grub_term_output *term __attribute__ ((unused)))
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{
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grub_speaker_beep_off ();
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return 0;
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}
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struct grub_terminfo_output_state grub_spkmodem_terminfo_output =
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{
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.put = put,
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.width = 80,
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.height = 24
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};
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static struct grub_term_output grub_spkmodem_term_output =
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{
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.name = "spkmodem",
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.init = grub_spkmodem_init_output,
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.fini = grub_spkmodem_fini_output,
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.putchar = grub_terminfo_putchar,
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.getxy = grub_terminfo_getxy,
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.getwh = grub_terminfo_getwh,
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.gotoxy = grub_terminfo_gotoxy,
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.cls = grub_terminfo_cls,
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.setcolorstate = grub_terminfo_setcolorstate,
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.setcursor = grub_terminfo_setcursor,
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.flags = GRUB_TERM_CODE_TYPE_ASCII,
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.data = &grub_spkmodem_terminfo_output,
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.normal_color = GRUB_TERM_DEFAULT_NORMAL_COLOR,
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.highlight_color = GRUB_TERM_DEFAULT_HIGHLIGHT_COLOR,
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};
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GRUB_MOD_INIT (spkmodem)
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{
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grub_term_register_output ("spkmodem", &grub_spkmodem_term_output);
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}
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GRUB_MOD_FINI (spkmodem)
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{
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grub_term_unregister_output (&grub_spkmodem_term_output);
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}
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