You need to use multiple go routines and channels - one routine calls Scan()
and when it gets the result it writes it to a channel, then the reader can
timeout on the channel.
> On Dec 10, 2018, at 4:26 PM, Trig <edb1...@gmail.com> wrote:
>
> I'm currently reading ASCII data from a serial port using the bufio.Scanner
> (since what's coming back is a line at a time, it's convenient w/ reading
> using the Scanner.Text()). Problem is, the for loop I use to process the
> reads lock at the Scanner.Scan() call. Is there a to implement some for loop
> that utilized the scanner while utilizing a timeout?
>
> I've tried:
>
> for {
> select {
> case <- time.After(time.Second * 3):
> response <- &Response{
> Error: fmt.Errorf("command call took to long for a response"),
> }
>
> break
> default:
> myScanner.Scan()
>
> if myScanner.Text() == "OK" {
> response <- &Response{
> Content: []responseLines,
> }
>
> break
> }
>
> responseLines = append(responseLines, myScanner.Text())
> }
> }
>
> Of course, after looking at it... it makes sense why it's not working as the
> loop locks at myScanner.Scan() if there is nothing further to Scan. Any help
> or examples would be appreciated.
>
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