cubemx更改配置，lwip开启接收超时，配置中使能了LWIP_SO_RCVTIMEO参数

Inc/lwipopts.h

@@ -91,6 +91,8 @@
 #define DEFAULT_TCP_RECVMBOX_SIZE 6
 /*----- Value in opt.h for DEFAULT_ACCEPTMBOX_SIZE: 0 -----*/
 #define DEFAULT_ACCEPTMBOX_SIZE 6
+/*----- Default Value for LWIP_SO_RCVTIMEO: 0 ---*/
+#define LWIP_SO_RCVTIMEO 1
 /*----- Value in opt.h for RECV_BUFSIZE_DEFAULT: INT_MAX -----*/
 #define RECV_BUFSIZE_DEFAULT 2000000000
 /*----- Value in opt.h for LWIP_STATS: 1 -----*/

LWIP.ioc

@@ -16,10 +16,11 @@ GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
 LWIP.BSP.number=1
 LWIP.GATEWAY_ADDRESS=192.168.008.001
-LWIP.IPParameters=LWIP_DHCP,IP_ADDRESS,NETMASK_ADDRESS,GATEWAY_ADDRESS,TCP_QUEUE_OOSEQ,LWIP_NETIF_HOSTNAME
+LWIP.IPParameters=LWIP_DHCP,IP_ADDRESS,NETMASK_ADDRESS,GATEWAY_ADDRESS,TCP_QUEUE_OOSEQ,LWIP_NETIF_HOSTNAME,LWIP_SO_RCVTIMEO
 LWIP.IP_ADDRESS=192.168.008.010
 LWIP.LWIP_DHCP=1
 LWIP.LWIP_NETIF_HOSTNAME=1
+LWIP.LWIP_SO_RCVTIMEO=1
 LWIP.NETMASK_ADDRESS=255.255.255.000
 LWIP.TCP_QUEUE_OOSEQ=0
 LWIP.Version=v2.1.2_Cube

MDK-ARM/LWIP.uvoptx

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<?xml version="1.0" encoding="UTF-8"?>
 <ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
 
   <SchemaVersion>1.0</SchemaVersion>
@@ -45,7 +45,7 @@
         <PageWidth>79</PageWidth>
         <PageLength>66</PageLength>
         <TabStop>8</TabStop>
-        <ListingPath></ListingPath>
+        <ListingPath />
       </OPTLEX>
       <ListingPage>
         <CreateCListing>1</CreateCListing>
@@ -104,16 +104,16 @@
         <bSchkAxf>0</bSchkAxf>
         <bTchkAxf>0</bTchkAxf>
         <nTsel>3</nTsel>
-        <sDll></sDll>
-        <sDllPa></sDllPa>
-        <sDlgDll></sDlgDll>
-        <sDlgPa></sDlgPa>
-        <sIfile></sIfile>
-        <tDll></tDll>
-        <tDllPa></tDllPa>
-        <tDlgDll></tDlgDll>
-        <tDlgPa></tDlgPa>
-        <tIfile></tIfile>
+        <sDll />
+        <sDllPa />
+        <sDlgDll />
+        <sDlgPa />
+        <sIfile />
+        <tDll />
+        <tDllPa />
+        <tDlgDll />
+        <tDlgPa />
+        <tIfile />
         <pMon>BIN\CMSIS_AGDI.dll</pMon>
       </DebugOpt>
       <TargetDriverDllRegistry>
@@ -133,7 +133,7 @@
           <Name>-U-O142 -O2254 -S0 -C0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO7 -FD20000000 -FC800 -FN1 -FF0STM32F4xx_512.FLM -FS08000000 -FL080000 -FP0($$Device:STM32F407ZETx$CMSIS\Flash\STM32F4xx_512.FLM)</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint/>
+      <Breakpoint />
       <Tracepoint>
         <THDelay>0</THDelay>
       </Tracepoint>
@@ -163,19 +163,19 @@
         <newCpu>0</newCpu>
         <uProt>0</uProt>
       </DebugFlag>
-      <LintExecutable></LintExecutable>
-      <LintConfigFile></LintConfigFile>
+      <LintExecutable />
+      <LintConfigFile />
       <bLintAuto>0</bLintAuto>
       <bAutoGenD>0</bAutoGenD>
       <LntExFlags>0</LntExFlags>
-      <pMisraName></pMisraName>
-      <pszMrule></pszMrule>
-      <pSingCmds></pSingCmds>
-      <pMultCmds></pMultCmds>
-      <pMisraNamep></pMisraNamep>
-      <pszMrulep></pszMrulep>
-      <pSingCmdsp></pSingCmdsp>
-      <pMultCmdsp></pMultCmdsp>
+      <pMisraName />
+      <pszMrule />
+      <pSingCmds />
+      <pMultCmds />
+      <pMisraNamep />
+      <pszMrulep />
+      <pSingCmdsp />
+      <pMultCmdsp />
       <DebugDescription>
         <Enable>1</Enable>
         <EnableFlashSeq>0</EnableFlashSeq>