FILE *reinit_timer(FILE *port, char *name, int config, int lanes_expected)
{
FILE *fd;
char tmp[LINE_LEN];
int lanes;
printf("Wow, something's messed with your timer. Let's try again.\n");
close_timer(port);
printf("Please power cycle your timer.\n");
printf("If you have a USB timer, just unplug it, wait a few seconds, and reconnect\n");
printf("it to the SAME port.\n");
printf("\nWhen you're done, press Enter and we'll try to get reconnected.\n");
retry:
fgets(tmp, LINE_LEN, stdin);
printf("Opening port.\n");
fd = open_timer(name, config);
if (!fd) {
printf("Eek! Unable to open timer port! Please power cycle it again.\n");
printf("Double-check that you plugged your USB timer into the same port!\n");
printf("Press Enter to try again. (Ctrl-C to give up - you will lose all results.)\n");
goto retry;
}
/* reset timer */
lanes = init_timer(fd);
if (lanes != lanes_expected) {
close_timer(fd);
printf("Eek! Invalid number of lanes! (Expected %d, got %d from timer.\n", lanes_expected, lanes);
printf("Please power cycle your timer again and check all sensor connections.\n");
printf("Press Enter to try again. (Ctrl-C to give up - you will lose all results.)\n");
goto retry;
}
return fd;
}
void tcpudp_act_cyc(uint8_t cycact)
{
switch (cycact)
{
case 0:
tcpip_flag_ = 0;
close_timer();
break;
case 1:
tcpip_flag_ = 1;
open_timer();
break;
default:
break;
}
}
int main(int argc, char **argv)
{
FILE *port;
char *filename;
int c, i, j, tmp;
int debugmode = 0;
int lanes;
float times[MAX_LANES];
float prev_times[MAX_LANES][4];
int prev_head = 0;\
char *tmpbuf[10];
/* parse command line options */
if (argc == 1) {
usage();
return 0;
}
opterr = 0;
while ((c = getopt (argc, argv, "dp:")) != -1) {
switch (c) {
case 'd':
printf("Debugging mode enabled\n");
debugmode = 1;
break;
case 'p':
filename = optarg;
break;
case '?':
default:
usage();
return 1;
}
}
/* open timer */
port = open_timer(filename, !debugmode);
if (!port) {
fprintf(stderr, "Eek! Unable to open timer port! Cannot continue.\n");
fprintf(stderr, "Possible problems:\n");
fprintf(stderr, "\tbad filename for port (if USB timer, check dmesg for port id\n");
fprintf(stderr, "\tno write access to device (check permissions or run as root)\n");
fprintf(stderr, "\tUSB timer not connected\n");
return 1;
}
/* reset timer */
lanes = init_timer(port);
if (!lanes) {
fprintf(stderr, "Eek! Cannot initialize timer! Cannot continue!\n");
fprintf(stderr, "Make sure your timer is supported by this program.\n");
close_timer(port);
return 1;
}
memset(prev_times, 0, sizeof(float) * 3 * MAX_LANES);
printf("Press enter to continue.\n");
fgets(tmpbuf, 10, stdin);
/* main loop */
while (1) {
printf("Begin racing when ready.\n");
tmp = get_times(port, lanes, times, debugmode);
printf("Run is complete. Results:\n");
if (tmp > 0) {
/* good race! */
display_winner(tmp);
printf("\n");
// save current time, drop last time
display_times(lanes, times);
for (j = 0; j < lanes; j++) {
prev_times[j][prev_head] = times[j];
}
printf("\nPrevious results:\n");
i = prev_head - 1;
if (i < 0)
i = 3;
while (i != prev_head) {
for (j = 0; j < lanes; j++)
printf("\t%1.4f", prev_times[j][i]);
printf("\n");
i--;
if (i < 0)
i = 3;
}
prev_head++;
if (prev_head == 4)
prev_head = 0;
}
if (tmp == 0) {
printf("Null race result! Please redo this run.\n");
}
if (tmp < 0) {
port = reinit_timer(port, filename, !debugmode, lanes);
/* if this returns, we've succeeded */
}
printf("Press enter to continue, X to exit.\n");
fgets(tmpbuf, 10, stdin);
if (strchr(tmpbuf, 'x') || strchr(tmpbuf, 'X'))
break;
rearm_timer(port, debugmode);
}
/* all done */
printf("\nDone.\n");
close_timer(port);
return 0;
}