From cacf363f222e354cad6db18c4a00fb1097d35c2c Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 09 十一月 2023 14:30:58 +0800
Subject: [PATCH] fix
---
service/plc.go | 29 +++++++++++++++++++++++++----
1 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 42ad54d..ac23286 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -14,8 +14,12 @@
"errors"
"fmt"
"github.com/spf13/cast"
+ "sync"
"sync/atomic"
)
+
+// 涓插彛涓嶆敮鎸佸苟琛岃鍐欙紝鎵�浠ラ渶瑕佸姞涓攣锛岄槻姝imeout鍜岃祫婧愪笉鍙敤鎶ラ敊
+var lock sync.Mutex
func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, channel int32, value interface{}) (err error) {
var (
@@ -36,10 +40,14 @@
}
func PlcWriteDirect(plcConfig *model.DevicePlc, address int, value interface{}) (err error) {
+ lock.Lock()
+ defer lock.Unlock()
var (
ipAddr string
)
- defer dealErr(err)
+ defer func() {
+ dealErr(err)
+ }()
if plcConfig.Method == constvar.PlcMethodModbusTCP {
ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
err = WriteByModbusTCP(ipAddr, address, value)
@@ -70,10 +78,14 @@
}
func PlcReadDirect(plcConfig *model.DevicePlc, address int, dataLength int, valueType constvar.PlcStartAddressValueType) (val interface{}, err error) {
+ lock.Lock()
+ defer lock.Unlock()
var (
ipAddr string
)
- defer dealErr(err)
+ defer func() {
+ dealErr(err)
+ }()
if plcConfig.Method == constvar.PlcMethodModbusTCP || plcConfig.Method == constvar.PlcMethodModbusRTU {
var value []byte
if plcConfig.Method == constvar.PlcMethodModbusTCP {
@@ -92,7 +104,16 @@
switch valueType {
case constvar.PlcStartAddressValueTypeString:
return string(value), nil
- case constvar.PlcStartAddressValueTypeInt:
+ case constvar.PlcStartAddressValueTypeInt32:
+ if len(value) == 2 {
+ val = binary.BigEndian.Uint16(value)
+ } else if len(value) == 4 {
+ val = binary.BigEndian.Uint32(value)
+ } else {
+ logx.Errorf("plc read get an unknown int value: %v, address:%v", value, address)
+ return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", value))
+ }
+ default:
if len(value) == 2 {
val = binary.BigEndian.Uint16(value)
} else if len(value) == 4 {
@@ -104,7 +125,7 @@
return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", value))
}
}
- logx.Infof("plc read ok, address: %v, result: %v, dataLength: %v, valueLength: %v", address, val, dataLength, len(value))
+ logx.Infof("plc read ok, address: %v, result: %v, dataLength: %v, value: %v", address, val, dataLength, value)
return val, nil
} else if plcConfig.Method == constvar.PlcMethodSerial {
ipAddr = conf.Conf.Services.Serial
--
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