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#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <math.h>
#include <time.h>
#include <unistd.h>
#include <string.h>
#ifdef _WIN32
#define mkdir(x, y) mkdir(x)
#endif
struct DFEntryType {
char field[17];
int spf;
int fp;
char filename[150];
};
int main(int argc, char *argv[]) {
char dirfilename[120];
char tmpstr[150];
FILE *fpf;
int i, count = 0;
float x;
int frameTypes = 10;
int maxFrames = -1;
int delay = 0;
if (argc > 1) {
frameTypes = atoi(argv[1]);
printf("Requested Frame Types of %d\n", frameTypes);
} else {
printf("Frame Type count not specified, defaulting to 10 types\n");
}
if (argc > 2) {
maxFrames = atoi(argv[2]);
printf("Requested maximum frames of %d\n", maxFrames);
} else {
printf("No Maximum frame count specified, running until aborted\n");
}
if (argc > 3) {
delay = atoi(argv[3]);
printf("Delay between updates is %d ms\n", delay);
} else if (maxFrames == -1) {
delay = 50;
printf("No Delay specified, and no max frames, defaulting to 200 ms\n");
} else {
printf("No Delay specified running without delay\n");
}
//struct DFEntryType dfList2[frameTypes];
struct DFEntryType dfList[frameTypes];
for (i=0; i<frameTypes; i++) {
//char idName[20];
sprintf(dfList[i].field, "%dxINDEX", i+1);
dfList[i].spf = 1;
dfList[i].fp = -1;
}
sprintf(dirfilename, "%d.dm", (int) time(NULL));
printf("Writing dirfile %s\n", dirfilename);
printf("The fields are:\n");
for (i=0; i<frameTypes; i++) {
printf("%16s %2d samples per frame\n", dfList[i].field, dfList[i].spf);
}
if (mkdir(dirfilename, 00755) < 0) {
perror("dirfile mkdir()");
exit(0);
}
sprintf(tmpstr,"%s/format", dirfilename);
fpf = fopen(tmpstr,"w");
for (i=0; i<frameTypes; i++) {
fprintf(fpf,"%s RAW f %d\n", dfList[i].field, dfList[i].spf);
sprintf(tmpstr,"%s/%s", dirfilename, dfList[i].field);
#ifndef _WIN32
dfList[i].fp = open(tmpstr, O_WRONLY|O_CREAT , 00644);
#endif
strcpy(dfList[i].filename, tmpstr);
}
fclose(fpf);
/* make curfile */
fpf = fopen("dm.cur", "w");
fprintf(fpf,"%s", dirfilename);
fclose(fpf);
while (1) {
for (i=0; i<frameTypes; i++) {
x = count * (i+1);
#ifndef _WIN32
write(dfList[i].fp, &x, sizeof(float));
#else
FILE *fd = fopen(dfList[i].filename, "a");
fwrite(&x, sizeof(float), 1, fd);
fclose(fd);
#endif
}
printf("writing frame %d \r", count);
fflush(stdout);
if (maxFrames != -1) {
if (count == maxFrames) {
break;
}
}
usleep(delay*1000);
count++;
}
return (42);
}
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