75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
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package hottisThreeWayThermometer
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import (
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"log"
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"fmt"
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"bytes"
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"encoding/base64"
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"encoding/binary"
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"udi/database"
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)
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type hottisThreeWayThermometerValues struct {
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Status uint8
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// Battery uint16
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SensorAddress1 uint64
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Value1 int32
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SensorAddress2 uint64
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Value2 int32
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SensorAddress3 uint64
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Value3 int32
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}
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func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, _ *database.Device) error {
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if fPort != 2 {
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return fmt.Errorf("Unexpected fPort %d", fPort)
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}
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b, err := base64.StdEncoding.DecodeString(frmPayload)
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if err != nil {
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return fmt.Errorf("Unable to base64-decode payload: %v", err)
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}
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var values hottisThreeWayThermometerValues
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err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
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if err != nil {
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return fmt.Errorf("Unable to cast into struct: %v", err)
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}
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var value1 float32 = float32(values.Value1) / 128.0
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var value2 float32 = float32(values.Value2) / 128.0
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var value3 float32 = float32(values.Value3) / 128.0
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//log.Printf("Status: %d, Battery: %d", values.Status, values.Battery);
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log.Printf("Status: %d", values.Status);
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log.Printf("Sensor1: Addr: %d, Value: %f", values.SensorAddress1, value1);
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log.Printf("Sensor2: Addr: %d, Value: %f", values.SensorAddress2, value2);
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log.Printf("Sensor3: Addr: %d, Value: %f", values.SensorAddress3, value3);
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(*variables)["Temperature1"] = database.VariableType {
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Label: "Temperature1",
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Variable: "Temperature",
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Unit: "°C",
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Value: value1,
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}
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(*variables)["Temperature2"] = database.VariableType {
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Label: "Temperature2",
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Variable: "Temperature",
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Unit: "°C",
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Value: value2,
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}
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(*variables)["Temperature3"] = database.VariableType {
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Label: "Temperature3",
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Variable: "Temperature",
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Unit: "°C",
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Value: value3,
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}
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(*attributes)["Status"] = values.Status
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(*attributes)["SensorAddress1"] = values.SensorAddress1
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(*attributes)["SensorAddress2"] = values.SensorAddress2
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(*attributes)["SensorAddress3"] = values.SensorAddress3
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return nil
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}
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