113 lines
2.2 KiB
C

/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <stdint.h>
#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/time.h>
#include "sky_flash.h"
static int dbg_input;
static int dbg_newline = 1;
int
skytraq_millis(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}
static void
skytraq_dbg_time(void)
{
int delta = skytraq_millis() - skytraq_open_time;
if (!skytraq_verbose)
return;
printf ("%4d.%03d ", delta / 1000, delta % 1000);
}
void
skytraq_dbg_newline(void)
{
if (!skytraq_verbose)
return;
if (!dbg_newline) {
putchar('\n');
dbg_newline = 1;
}
}
static void
skytraq_dbg_set(int input)
{
if (!skytraq_verbose)
return;
if (input != dbg_input) {
skytraq_dbg_newline();
if (input)
putchar('\t');
dbg_input = input;
}
}
void
skytraq_dbg_char(int input, char c)
{
if (!skytraq_verbose)
return;
skytraq_dbg_set(input);
if (dbg_newline)
skytraq_dbg_time();
if (c < ' ' || c > '~')
printf ("\\%02x", (unsigned char) c);
else
putchar(c);
dbg_newline = 0;
if (c == '\n')
dbg_input = 2;
fflush(stdout);
}
void
skytraq_dbg_buf(int input, const char *buf, int len)
{
if (!skytraq_verbose)
return;
while (len--)
skytraq_dbg_char(input, *buf++);
}
void
skytraq_dbg_printf(int input, const char *fmt, ...)
{
va_list ap;
if (!skytraq_verbose)
return;
skytraq_dbg_set(input);
if (dbg_newline)
skytraq_dbg_time();
va_start (ap, fmt);
vprintf(fmt, ap);
va_end(ap);
dbg_newline = 0;
}