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add basic windows port detection (#24)
* add basic windows port detection * Update app.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| // +build linux | ||
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| package flwserial | ||
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| import ( | ||
| "errors" | ||
| ) | ||
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| func SetupCmd() { | ||
| return nil, errors.New("Not implemented") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // +build windows | ||
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| package flwserial | ||
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| import ( | ||
| "golang.org/x/sys/windows/registry" | ||
| "github.com/tarm/serial" | ||
| "log" | ||
| "bufio" | ||
| "errors" | ||
| ) | ||
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| func GetValidPort() (*serial.Port, error) { | ||
| //Find active serial ports from registry key | ||
| k, err := registry.OpenKey(registry.LOCAL_MACHINE, `HARDWARE\\DEVICEMAP\\SERIALCOMM`, registry.QUERY_VALUE) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer k.Close() | ||
| ki, err := k.Stat() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| r, err := k.ReadValueNames(int(ki.ValueCount)) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| kvalue := make([]string, ki.ValueCount) | ||
| for i, test := range r { | ||
| q, _, err := k.GetStringValue(test) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| kvalue[i] = q | ||
| } | ||
| var s *serial.Port | ||
| for _, element := range kvalue { | ||
| c := &serial.Config{Name: element, Baud: 9600} | ||
| s, err = serial.OpenPort(c) | ||
| if err != nil { | ||
| log.Print("Can't connect to port") | ||
| continue | ||
| } | ||
| scanner := bufio.NewScanner(s) | ||
| for scanner.Scan() { | ||
| text := scanner.Text() | ||
| //Rubbish way of checking if the device is correct | ||
| if text[0] == '{' { | ||
| return s, nil | ||
| } | ||
| } | ||
| } | ||
| return nil, errors.New("Error finding valid port") | ||
| } |
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