hottisScd30

src/udi/handlers/ttn/models/hottisScd30/hottisScd30.go

@@ -0,0 +1,38 @@
+package hottisScd30
+
+import (
+  "log"
+  "fmt"
+  "bytes"
+  "encoding/base64"
+  "encoding/binary"
+  "udi/database"
+)
+
+type hottisScd30Values struct {
+  Status uint8
+  CO2Conc int32
+  Temp int32
+  Hum int32
+}
+
+
+func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
+  if fPort != 2 {
+    return fmt.Errorf("Unexpected fPort %d", fPort)
+  }
+
+  b, err := base64.StdEncoding.DecodeString(frmPayload)
+  if err != nil {
+    return fmt.Errorf("Unable to base64-decode payload: %v", err)
+  }
+
+  var values hottisScd30Values
+  err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
+  if err != nil {
+    return fmt.Errorf("Unable to cast into struct: %v", err)
+  }
+  log.Printf("CO2: %d, Temp: %d, Hum: %d, Status: %d", values.CO2Conc, values.Temp, values.Hum, values.Status)
+
+  return nil
+}

src/udi/handlers/ttn/ttn.go

@@ -12,6 +12,7 @@ import (
   "udi/handlers/ttn/models/draginoLmds200"
   "udi/handlers/ttn/models/draginoLse01"
   "udi/handlers/ttn/models/rawPayloadPrinter"
+  "udi/handlers/ttn/models/hottisScd30"
   "udi/database"
 )
 
@@ -146,6 +147,8 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
     parser = draginoLse01.Parse
   case "raw-payload-printer":
     parser = rawPayloadPrinter.Parse
+  case "hottis-scd30":
+    parser = hottisScd30.Parse
   default:
     self.Lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), nil, message)
     return