sprintf(tmp, "s%i\r\n", Item);
write(giCoke_SerialFD, tmp, 4);
- WaitForColon();
+ if( WaitForColon() ) {
+ fprintf(stderr, "Coke machine timed out (after initial)\n");
+ return -2; // -EMYBAD
+ }
ret = ReadLine(sizeof(tmp)-1, tmp);
printf("ret = %i, tmp = '%s'\n", ret, tmp);