plc4x读写加入长度

zhangqian

2023-10-26 2df84cdc7faf29cc8a2512b627a36a3881276b9f

 pkg/plc/apacheplc4x/modbus.go

@@ -10,6 +10,7 @@
   "github.com/apache/plc4x/plc4go/pkg/api/drivers"
   apiModel "github.com/apache/plc4x/plc4go/pkg/api/model"
   "github.com/apache/plc4x/plc4go/pkg/api/transports"
   "github.com/spf13/cast"
   "sync/atomic"
   "time"
)
@@ -53,7 +54,7 @@

func readHoldingRegisterSingle(connection plc4go.PlcConnection, address int) ([]byte, error) {
   tag := fmt.Sprintf("tag:%v", address)
   tagAddress := getTagAddress(address)
   tagAddress := getTagAddress(address, 1)

   // 读模式
   readRequest, err := connection.ReadRequestBuilder().AddTagAddress(tag, tagAddress).Build()
@@ -83,7 +84,7 @@

func readHoldingRegisterList(connection plc4go.PlcConnection, address, length int) ([]byte, error) {
   tag := fmt.Sprintf("tag:%v:%v", address, length)
   tagAddress := getTagAddress(address)
   tagAddress := getTagAddress(address, length)

   // 读模式
   readRequest, err := connection.ReadRequestBuilder().AddTagAddress(tag, tagAddress).Build()
@@ -130,12 +131,16 @@
   return readHoldingRegisterSingle(connection, address)
}

func getTagAddress(address int) string {
func getTagAddress(address int, length int) string {
   intType := conf.Conf.PLC.ModbusIntType
   if intType == "" {
      intType = "DINT"
   }
   return fmt.Sprintf("holding-register:%d:%v", address, intType)
   if length == 1 {
      return fmt.Sprintf("holding-register:%d:%v", address, intType)
   } else {
      return fmt.Sprintf("holding-register:%d:%v[%d]", address, intType, length)
   }
}

func WriteHoldingRegister(ipAddr string, address int, value any) (string, error) {
@@ -146,7 +151,12 @@
   }
   defer connection.Close()
   tag := fmt.Sprintf("tag:%v:w", address)
   tagAddress := getTagAddress(address)
   var tagAddress string
   if cast.ToInt32(value) > 2<<16 {
      tagAddress = getTagAddress(address, 2)
   } else {
      tagAddress = getTagAddress(address, 1)
   }

   // 写模式
   writeRequest, err := connection.WriteRequestBuilder().AddTagAddress(tag, tagAddress, value).Build()