libam7xxx
0.1
Communication library for Actions Micro AM7XXX based USB projectors and DPFs
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src
tools.c
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/* am7xxx - communication with AM7xxx based USB Pico Projectors and DPFs
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*
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* Copyright (C) 2014 Antonio Ospite <ao2@ao2.it>
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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,
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <time.h>
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#include "tools.h"
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int
msleep(
unsigned
long
msecs)
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{
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struct
timespec delay;
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int
ret;
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delay.tv_sec = msecs / 1000;
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delay.tv_nsec = (msecs % 1000) * 1000000;
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while
(1) {
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ret = nanosleep(&delay, &delay);
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if
(ret == -1 && errno == EINTR)
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continue
;
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break
;
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}
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if
(ret == -1)
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return
ret;
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return
0;
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}
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