void wifi_init(FILE *output, FILE *input, int (*available)()) {
pin_set_direction(Pin_Wifi_Enable, Direction_Output);
serial_output = output;
serial_input = input;
serial_available = available;
}
int main(int argc, char **argv) {
struct pollfd *fdlist;
int numfds = 0;
int ch;
int i;
while (-1 != (ch = getopt(argc, argv, OPTSTRING))) {
switch (ch) {
case OPT_LOGFILE:
logfile = strdup(optarg);
break;
case OPT_DETACH:
detach = 1;
break;
case OPT_SCRIPT_DIR:
script_dir = strdup(optarg);
break;
case OPT_DEFAULT_EDGE:
if (-1 == (default_edge = parse_edge(optarg))) {
fprintf(stderr, "error: invalid edge value: %s\n", optarg);
exit(1);
}
break;
case OPT_VERBOSE:
loglevel += 1;
break;
case '?':
usage(stderr);
exit(2);
}
}
if (logfile) {
int fd;
if (-1 == (fd = open(logfile, O_WRONLY|O_CREAT|O_APPEND, 0644))) {
LOG_ERROR("failed to open logfile %s", logfile);
exit(1);
}
close(1);
close(2);
dup(fd);
dup(fd);
}
if (! is_dir(script_dir)) {
LOG_ERROR("error: script directory \"%s\" does not exist.",
script_dir);
exit(1);
}
for (i=optind; i<argc; i++) {
char *pos,
*pinspec;
struct pin p;
pinspec = strdup(argv[i]);
pos = strchr(pinspec, ':');
if (pos) {
*pos = '\0';
pos++;
p.pin = atoi(pinspec);
if (-1 == (p.edge = parse_edge(pos))) {
fprintf(stderr, "error: unknown edge spec: %s\n",
argv[i]);
exit(1);
}
} else {
p.pin = atoi(pinspec);
p.edge = default_edge;
}
free(pinspec);
num_pins++;
pins = realloc(pins, sizeof(struct pin) * num_pins);
pins[num_pins-1] = p;
}
for (i=0; i<num_pins; i++) {
pin_export(pins[i].pin);
pin_set_edge(pins[i].pin, pins[i].edge);
pin_set_direction(pins[i].pin, DIRECTION_IN);
}
if (detach) daemon(1, logfile ? 1: 0);
watch_pins();
return 0;
}
