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Added an errormap, so that errors can be easily found based on their ID #21

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Added an errormap, so that errors can be easily found based on their ID #21

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16 changes: 16 additions & 0 deletions message.go
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,22 @@ var (
GatewayTargetDeviceFailedToRespondError = Error{Code: 11, msg: "gateway target device failed to respond"}
)

// ErrorMap is a map where all the implemented Modbus errors are stored, which
// their ID as the key. This makes is easy to ge the error based on the
// errorcode
var ErrorMap = map[int]Error{
1: IllegalFunctionError,
2: IllegalAddressError,
3: IllegalDataValueError,
4: SlaveDeviceFailureError,
5: AcknowledgeError,
6: SlaveDeviceBusyError,
7: NegativeAcknowledgeError,
8: MemoryParityError,
10: GatewayPathUnavailableError,
11: GatewayTargetDeviceFailedToRespondError,
}

// Value is a value an integer ranging from range of -32768 through 65535.
type Value struct {
v int
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