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os-k/kaleid/kernel/io/term.c
2019-02-16 23:36:33 +01:00

121 lines
3.5 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Terminal-related functions //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// 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/>. //
//----------------------------------------------------------------------------//
#include <kernel/term.h>
extern void VGA_Init(void);
extern Terminal_t VGA_Terminal;
//
// Initialize standard output
//
void InitTerms(void)
{
KalAssert(!GetStdOut() && !GetStdDbg());
VGA_Init();
// vgaTerm.initDone = INITOK;
SetStdDbg(&VGA_Terminal);
SetStdOut(&VGA_Terminal);
ClearTerm(GetStdOut());
}
//
// Fill terminal with spaces
//
error_t ClearTerm(Terminal_t *term)
{
error_t retcode;
if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK);
AquireLock(&term->lock);
retcode = term->ClearTermUnlocked(term);
ReleaseLock(&term->lock);
return retcode;
}
//
// Change the color code
//
error_t ChTermColor(Terminal_t *term, TermColor_t fgColor, TermColor_t bgColor)
{
if (fgColor > KTERM_COLOR_WHITE || bgColor > KTERM_COLOR_WHITE)
return EINVAL;
if (term == NULL)
return EINVAL;
AquireLock(&term->lock);
term->fgColor = fgColor;
term->bgColor = bgColor;
ReleaseLock(&term->lock);
return EOK;
}
//
// Write a single character on the terminal
//
error_t PutOnTerm(Terminal_t *term, char ch)
{
error_t retcode;
if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK);
AquireLock(&term->lock);
retcode = term->PutOnTermUnlocked(term, ch);
ReleaseLock(&term->lock);
return retcode;
}
//
// Print string on terminal
//
error_t PrintOnTerm(Terminal_t *term, const char *str)
{
error_t retcode = EOK;
if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK);
AquireLock(&term->lock);
while (*str && retcode == EOK) {
retcode = term->PutOnTermUnlocked(term, *str++);
}
ReleaseLock(&term->lock);
return retcode;
}