?? monitor.c
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/* * RTL scheduling accuracy measuring example, user program * * (C) Michael Barabanov, 1997 * (C) FSMLabs 1999. baraban@fsmlabs.com * Released under the GNU GENERAL PUBLIC LICENSE Version 2, June 1991 * Any use of this code must include this notice. */#include <stdio.h>#include <errno.h>#include <sys/time.h>#include <sys/types.h>#include <fcntl.h>#include <unistd.h>#include <sys/ioctl.h>#include <rtl_fifo.h>#include "common.h"int main(){ int fd0; int n; struct sample samp; if ((fd0 = open("/dev/rtf0", O_RDONLY)) < 0) { fprintf(stderr, "Error opening /dev/rtf0\n"); exit(1); } while (1) { n = read(fd0, &samp, sizeof(samp)); printf("min: %8d, max: %8d\n", (int) samp.min, (int) samp.max); fflush(stdout); } exit(0);}
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