113 lines
2.2 KiB
C
113 lines
2.2 KiB
C
/*
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* Copyright © 2012 Keith Packard <keithp@keithp.com>
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*
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* This program 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 2 of the License, or
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* (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <stdint.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/time.h>
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#include "sky_flash.h"
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static int dbg_input;
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static int dbg_newline = 1;
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int
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skytraq_millis(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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static void
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skytraq_dbg_time(void)
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{
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int delta = skytraq_millis() - skytraq_open_time;
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if (!skytraq_verbose)
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return;
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printf ("%4d.%03d ", delta / 1000, delta % 1000);
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}
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void
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skytraq_dbg_newline(void)
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{
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if (!skytraq_verbose)
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return;
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if (!dbg_newline) {
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putchar('\n');
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dbg_newline = 1;
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}
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}
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static void
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skytraq_dbg_set(int input)
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{
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if (!skytraq_verbose)
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return;
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if (input != dbg_input) {
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skytraq_dbg_newline();
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if (input)
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putchar('\t');
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dbg_input = input;
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}
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}
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void
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skytraq_dbg_char(int input, char c)
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{
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if (!skytraq_verbose)
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return;
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skytraq_dbg_set(input);
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if (dbg_newline)
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skytraq_dbg_time();
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if (c < ' ' || c > '~')
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printf ("\\%02x", (unsigned char) c);
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else
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putchar(c);
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dbg_newline = 0;
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if (c == '\n')
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dbg_input = 2;
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fflush(stdout);
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}
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void
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skytraq_dbg_buf(int input, const char *buf, int len)
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{
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if (!skytraq_verbose)
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return;
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while (len--)
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skytraq_dbg_char(input, *buf++);
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}
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void
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skytraq_dbg_printf(int input, const char *fmt, ...)
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{
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va_list ap;
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if (!skytraq_verbose)
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return;
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skytraq_dbg_set(input);
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if (dbg_newline)
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skytraq_dbg_time();
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va_start (ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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dbg_newline = 0;
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}
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