From 2df84cdc7faf29cc8a2512b627a36a3881276b9f Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 26 十月 2023 16:29:15 +0800
Subject: [PATCH] plc4x读写加入长度
---
pkg/plc/apacheplc4x/modbus.go | 20 +++++++++++++++-----
1 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/pkg/plc/apacheplc4x/modbus.go b/pkg/plc/apacheplc4x/modbus.go
index b289561..3876010 100644
--- a/pkg/plc/apacheplc4x/modbus.go
+++ b/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)
// 璇绘ā寮�
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)
// 璇绘ā寮�
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)
+ }
// 鍐欐ā寮�
writeRequest, err := connection.WriteRequestBuilder().AddTagAddress(tag, tagAddress, value).Build()
--
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