static bool
TryConnect(Port &port, char *user_data)
{
int retries=10;
while (--retries){
port.Write('\x02'); // send IO Mode command
unsigned user_size = 0;
bool started = false;
PeriodClock clock;
clock.update();
int i;
while ((i = port.GetChar()) != EOF && !clock.check(8000)) {
char ch = (char)i;
if (!started && ch == '-')
started = true;
if (started) {
if (ch == 0x13) {
port.Write('\x16');
user_data[user_size] = 0;
// found end of file
return true;
} else {
if (user_size < sizeof(user_data) - 1) {
user_data[user_size] = ch;
user_size++;
}
}
}
}
}
return false;
}
