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Add error counter into wheather checking utility

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eddyem 2020-10-06 20:36:44 +03:00
parent d5825ed68b
commit c53e6e4932
1 changed files with 29 additions and 14 deletions
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43
Auxiliary_utils/Weather_chk/main.c
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@ -54,24 +54,39 @@ int main(int argc, char **argv){
G = parse_args(argc, argv);
TTY_descr *dev = new_tty(G->ttyname, G->speed, 64);
if(!dev || !(dev = tty_open(dev, 1))) return 1; // open exclusively
while(read_tty(dev)); // clear buffer
if(write_tty(dev->comfd, "?U\r\n", 3)) ERR("write_tty()");
size_t got, L = 0;
char buff[BUFLEN], *ptr = buff;
double t0 = dtime();
while(dtime() - t0 < 1.){ // timeout - 1s
got = read_tty(dev);
if(got == 0) continue;
t0 = dtime();
L += got;
if(BUFLEN > L){
strncpy(ptr, dev->buf, dev->buflen);
ptr += got;
int errctr = 0;
for(errctr = 0; errctr < 5; ++errctr){
while(read_tty(dev)); // clear buffer
if(write_tty(dev->comfd, "?U\r\n", 3)){
WARNX("write_tty()");
continue;
}
double t0 = dtime();
while(dtime() - t0 < 1.){ // timeout - 1s
got = read_tty(dev);
if(got == 0) continue;
t0 = dtime();
L += got;
if(BUFLEN > L){
strncpy(ptr, dev->buf, dev->buflen);
ptr += got;
}else break;
}
buff[L] = 0;
if(L == 0){
WARNX("Got nothing from TTY");
continue;
}else if(strncmp(buff, "<?U>", 4)){
WARNX("Wrong answer: %s", buff);
continue;
}else break;
}
buff[L] = 0;
if(L == 0) ERRX("Got nothing from TTY");
if(strncmp(buff, "<?U>", 4)) ERRX("Wrong answer: %s", buff);
if(errctr == 5){
close_tty(&dev);
ERRX("No connection to meteostation");
}
ptr = &buff[4];
for(size_t i = 4; i < L; ++i){
char c = *ptr;