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Validate comset parameter

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This commit is contained in:
andig 2021-08-21 14:25:55 +02:00
parent 6fd6d7472c
commit 93e5fd39d4
1 changed files with 7 additions and 1 deletions
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8
util/modbus/modbus.go
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@ -156,7 +156,13 @@ func NewConnection(uri, device, comset string, baudrate int, wire WireFormat, sl
}
if device != "" {
if baudrate == 0 || comset == "" {
switch strings.ToUpper(comset) {
case "8N1", "8E1":
default:
return nil, fmt.Errorf("invalid invalid comset: %s", comset)
}
if baudrate == 0 {
return nil, errors.New("invalid modbus configuration: need baudrate and comset")
}