138 lines
2.7 KiB
C
138 lines
2.7 KiB
C
/*
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* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <stdarg.h>
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#include <malloc.h>
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#include <console.h>
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#include <exports.h>
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void serial_printf (const char *fmt, ...)
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{
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va_list args;
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uint i;
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char printbuffer[CFG_PBSIZE];
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va_start (args, fmt);
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/* For this to work, printbuffer must be larger than
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* anything we ever want to print.
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*/
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i = vsprintf (printbuffer, fmt, args);
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va_end (args);
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serial_puts (printbuffer);
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}
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int getc (void)
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{
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return serial_getc ();
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}
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int tstc (void)
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{
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return serial_tstc ();
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}
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void putc (const char c)
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{
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serial_putc (c);
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}
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void puts (const char *s)
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{
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serial_puts (s);
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}
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void printf (const char *fmt, ...)
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{
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va_list args;
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uint i;
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char printbuffer[CFG_PBSIZE];
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va_start (args, fmt);
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/* For this to work, printbuffer must be larger than
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* anything we ever want to print.
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*/
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i = vsprintf (printbuffer, fmt, args);
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va_end (args);
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/* Print the string */
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puts (printbuffer);
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}
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void vprintf (const char *fmt, va_list args)
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{
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uint i;
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char printbuffer[CFG_PBSIZE];
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/* For this to work, printbuffer must be larger than
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* anything we ever want to print.
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*/
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i = vsprintf (printbuffer, fmt, args);
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/* Print the string */
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puts (printbuffer);
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}
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/* test if ctrl-c was pressed */
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static int ctrlc_disabled = 0; /* see disable_ctrl() */
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static int ctrlc_was_pressed = 0;
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int ctrlc (void)
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{
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if (!ctrlc_disabled) {
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if (tstc ()) {
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switch (getc ()) {
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case 0x03: /* ^C - Control C */
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ctrlc_was_pressed = 1;
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return 1;
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default:
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break;
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}
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}
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}
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return 0;
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}
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/* pass 1 to disable ctrlc() checking, 0 to enable.
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* returns previous state
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*/
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int disable_ctrlc (int disable)
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{
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int prev = ctrlc_disabled; /* save previous state */
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ctrlc_disabled = disable;
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return prev;
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}
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int had_ctrlc (void)
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{
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return ctrlc_was_pressed;
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}
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void clear_ctrlc (void)
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{
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ctrlc_was_pressed = 0;
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}
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