ModbusClient.cin
Counting the send attempts to reject packets that cannot be send (e.g. wrong network) MakeConfig.can Introduced options (skip255 and useThirdIpNameForNodeName)
This commit is contained in:
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caf58bd7d6
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84ab39d5b3
6 changed files with 127 additions and 66 deletions
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@ -1,4 +1,4 @@
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;CANoe Version |4|7|1|52132 MakeConfig
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;CANoe Version |4|7|1|52133 MakeConfig
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Version: 8.2.40 Build 40
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32 PRO
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5
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@ -1261,9 +1261,37 @@ Grafik-Fenster
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237
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1
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Tahoma
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@ -2933,7 +2961,7 @@ End_Of_Object VGrMnBox 3
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VDOLocalInfoStruct 3 Begin_Of_Object
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3
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1
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98
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101
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VDAOBus 4 Begin_Of_Object
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1
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1
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@ -3063,7 +3091,7 @@ VSimulinkModelViewerConfiguration 7 Begin_Of_Object
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End_Of_Object VSimulinkModelViewerConfiguration 7
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1
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0
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4212996857
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1115474418
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0
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NodeSignalPanelBustypeCount 0
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End_Of_Object VSimulationNode 6
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@ -3101,7 +3129,7 @@ NULL
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End_Of_Object VDOLocalInfoStruct 3
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0.000000
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0 0
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1 1 0 59420 1 233 1 2882400001 98 331 371 619 2882400002 0 0 0 0 0 0 1 2882400001 1270 1270 373 373 2882400002 0 0 0 335238400 0 336542644 3
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1 1 0 59420 1 233 1 2882400001 98 331 371 619 2882400002 0 0 0 0 0 0 1 2882400001 1270 1270 373 373 2882400002 0 0 0 355173376 0 423022796 3
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SS_BEGIN_COMMON_INFO
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1
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0
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@ -3113,7 +3141,7 @@ Ethernet
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11
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1
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1
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335879144 1 0 1 0 0 1 0 0 0 2000 1
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422945832 1 0 1 0 0 1 0 0 0 2000 1
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SS_BEGIN_COMMON_INFO
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1
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3
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@ -3224,7 +3252,7 @@ End_Of_Serialized_Data 2
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End_Of_Object VWriteBox 2
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VWinStore 2 Begin_Of_Object
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1
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22 2 3 -1 -1 -1 -1 -10088 -10000 -9070 -9233
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22 2 3 -32088 -32000 -1 -1 -10088 -10000 -9070 -9233
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End_Of_Child_List
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End_Of_Object VWinStore 2
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VWinStore 2 Begin_Of_Object
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@ -3537,6 +3565,7 @@ End
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FiltersEnd
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0 0
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END_OF_WORKSPACE_MEMBER_DATA
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END_OF_WORKSPACE_MEMBER
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1
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@ -25,6 +25,8 @@ variables
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word ADi, ADn, ADl; // Some variables for "AnalyzeDevices"
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byte ggMaxTransmissionCount;
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byte useThirdIpByteForNames; // Whether the third byte of the IP address shall be used in the node name
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byte skip255; // Whether the IP address .255 (broadcast in /24) shall be skipped
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}
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on preStart
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@ -39,7 +41,12 @@ on preStart
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// Scan a range of IPs for devices (if nothing was set above). Start and Stop go here
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// Please note: Currently .255 will be skipped! Don't use this address for devices
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strncpy(gScanFirstIp, "192.168.1.2", elCount(gScanFirstIp));
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strncpy(gScanLastIp, "192.168.1.20", elCount(gScanLastIp));
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strncpy(gScanLastIp, "192.168.2.20", elCount(gScanLastIp));
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// Whether the third byte of the IP address shall be used in the node name
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useThirdIpByteForNames = 0;
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// Whether the IP address .255 (broadcast in /24) shall be skipped
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skip255 = 1;
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// Name of the project
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strncpy(name, "Modbus", elCount(name));
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@ -48,7 +55,7 @@ on preStart
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strncpy(fnSysvar, "include/SysVars/generated.vsysvar", elCount(fnSysvar));
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strncpy(fnDbc, "include/DBC/generated.dbc", elCount(fnDbc));
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OutputDebugLevel = Debug;//Error;
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OutputDebugLevel = Error;
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}
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on start
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@ -87,7 +94,7 @@ void PutString(byte d)
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/// <Step1>
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void DetectDevices()
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{
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write("Scanning from %s to %s with timeout of %d ms", gScanFirstIp, gScanLastIp, @sysvar::Config::Modbus::RequestTimeout);
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writeLineEx(0, 1, "Scanning from %s to %s with timeout of %d ms", gScanFirstIp, gScanLastIp, @sysvar::Config::Modbus::RequestTimeout);
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gScanFirst = ipGetAddressAsNumber(gScanFirstIp); // We have to use big endian here
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gScanLast = swapDWord(ipGetAddressAsNumber(gScanLastIp)); // But not here :)
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@ -102,11 +109,15 @@ void DetectDevicesNext()
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{
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gScanFirst = swapDWord(gScanFirst);
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gScanFirst++;
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if ((gScanFirst & 0xFF) == 0xFF) // skip .255
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if (skip255 && (gScanFirst & 0xFF) == 0xFF) // skip .255
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{
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gScanFirst++;
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writeLineEx(0, 0, "%d.%d.%d.%d ", gScanFirst >> 24, (gScanFirst >> 16) & 0xFF, (gScanFirst >> 8) & 0xFF, gScanFirst & 0xFF);
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}
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else if (!skip255 && (gScanFirst & 0xFF) == 0x00)
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{
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writeLineEx(0, 0, "%d.%d.%d.%d ", gScanFirst >> 24, (gScanFirst >> 16) & 0xFF, (gScanFirst >> 8) & 0xFF, gScanFirst & 0xFF);
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}
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if (gScanFirst > gScanLast)
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{
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@ -124,12 +135,7 @@ void DetectDevicesNext()
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/// <Step1>
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void OnModbusReadBitsFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap)
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{
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switch (error)
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{
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case FinalTimeout:
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case Exception:
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DetectDevicesNext(); // Timeout! We will go to the next device
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}
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DetectDevicesNext(); // Timeout, NotSent, Exception! We will go to the next device
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}
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/// <Step1>
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void OnModbusReadBitsSuccess(struct ModbusResReceiveBits mbres, byte bitStatus[], struct ModbusReqRead mbreq)
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@ -238,6 +244,9 @@ void OnModbusReadRegistersFailed(enum ModbusRequestError error, enum ModbusExcep
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case FinalTimeout:
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writeLineEx(0, 3, "Error while analyzing %s! The device did not respond! Ignoring...", gIpsSorted[ips[ADi]].IP);
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break;
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case NotSent:
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writeLineEx(0, 3, "Error while analyzing %s! The device was not available! Ignoring...", gIpsSorted[ips[ADi]].IP);
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break;
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}
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gQueueAck.Clear(); // Clear all queues
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gQueuePending.Clear();
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@ -317,8 +326,11 @@ void GenSysvars()
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DeviceInit(gIpsSorted[ipN].Vendor);
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PutString(" <namespace name=\"Client_");
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//PutString(netS);
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//PutString("_");
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if (useThirdIpByteForNames)
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{
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PutString(gIpsSorted[ipN].IpNet);
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PutString("_");
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}
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PutString(gIpsSorted[ipN].IpLsb);
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PutString("\" comment=\"Server with ip address '");
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PutString(gIpsSorted[ipN].Ip);
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@ -466,8 +478,11 @@ void GenDbc()
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for (long ipN : gIpsSorted)
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{
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PutString(" Client_");
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//PutString(gIpsSorted[ipN].IpNet);
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//PutString("_");
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if (useThirdIpByteForNames)
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{
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PutString(gIpsSorted[ipN].IpNet);
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PutString("_");
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}
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PutString(gIpsSorted[ipN].IpLsb);
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}
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PutString("\n\n\n\n");
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@ -38,7 +38,7 @@ variables
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enum Vendor // The Vendor enum. All Vendors have to listed here and all listed vendors have to be implemented in this file
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{
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All = 0xFFFF,
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All = 0xFF,
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Wago = 23, // Wago
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BuR = 2 // B&R
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};
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@ -53,6 +53,7 @@ variables
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{
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word TimeoutTicks; // Time counter [ms]. Used to watch for timeouts (see gRequestTimeout)
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byte Timeouts;
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byte SendTries;
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word Length;
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byte Buffer[gModbusMaxTelegramSize];
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};
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@ -157,6 +158,7 @@ void _ModbusReadBits(enum ModbusFuncCode funcCode, word address, long count)
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OnModbusClientPanics(AddressFailure);
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return;
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}
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// FC1: Read Coils (DO), FC2: Read Discret Inputs (DI)
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while (count > 0 && address < devEndAddr)
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{
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@ -279,7 +281,7 @@ void _ModbusReadRegisters(enum ModbusFuncCode funcCode, word address, long count
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writeDbg(MbWarning, "_ModbusReadBits: Impossible to read %d bits at 0x%04X. Changed count to %d.", curCount, address, devEndAddr - address);
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curCount = devEndAddr - address;
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}
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write("address = 0x%04X, count = %d, curCount = %d, devStartAddr = 0x%04X, devEndAddr = 0x%04X", address, count, curCount, devStartAddr, devEndAddr);
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//write("address = 0x%04X, count = %d, curCount = %d, devStartAddr = 0x%04X, devEndAddr = 0x%04X", address, count, curCount, devStartAddr, devEndAddr);
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_ModbusMakeHeader(mbreq.Header, length, funcCode);
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@ -440,6 +442,7 @@ void ModbusWriteBits(word address, long count, byte values[])
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long offset;
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// FC15: Write Multiple Bits (DOs)
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offset = 0;
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while (count > 0)
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{
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if (count > gMaxBitsPerWrite)
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@ -463,7 +466,7 @@ void ModbusWriteBits(word address, long count, byte values[])
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for (i = 0; i < dataLength; i++) // [264] Byte status, 8 per byte
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mbreq.Data[i] = values[i+offset/8];
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writeDbg(MbDebug, "Sending 'Write Bits' (0x0F) command. TxID: 0x%04X, Addr: 0x%04X, Count: %d", mbreq.Header.TxID, address, curCount);
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writeDbg(MbDebug, "Sending 'Write Bits' (0x0F) command. TxID: 0x%04X, Addr: 0x%04X, Count: %d", mbreq.Header.TxID, address+offset, curCount);
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memcpy_h2n(buffer, mbreq);
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_ModbusSend(buffer, overallLength, mbreq.Header.TxID);
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@ -955,7 +958,6 @@ void _ModbusStartQueue()
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// The pending packets may be sent when there is free space in the sending window
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on timer gtModbusRobin
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{
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struct ModbusApHeader mbap;
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enum ModbusRequestError reqError;
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writeDbg(ConnDebug, "gtModbusRobin: Queue Sent: %d, Queue Pending: %d, Queue Ack: %d", gQueueSent.Size(), gQueuePending.Size(), gQueueAck.Size());
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@ -968,7 +970,7 @@ on timer gtModbusRobin
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// timed out!
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if (++gQueueSent[TxID].Timeouts < gMaxTransmissionCount) // if we may resend it
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{
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writeDbg(ConnInfo, "Packet 0x%04X timed out! Retrying...", TxID);
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writeDbg(ConnInfo, "gtModbusRobin: Packet 0x%04X timed out! Retrying...", TxID);
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gQueueSent[TxID].TimeoutTicks = 0;
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_ModbusSnd(gQueueSent[TxID].Buffer, gQueueSent[TxID].Length); // resend it
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reqError = Timeout;
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@ -976,43 +978,14 @@ on timer gtModbusRobin
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}
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else // we will NOT resend it
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{
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writeDbg(ConnWarning, "Packet 0x%04X timed out! Giving up", TxID);
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writeDbg(ConnWarning, "gtModbusRobin: Packet 0x%04X timed out! Giving up", TxID);
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reqError = FinalTimeout;
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}
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memcpy_n2h(mbap, gQueueSent[TxID].Buffer);
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switch(mbap.FuncCode) // throw an "error" in each case
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{
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case ReadBitsOut:
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case ReadBitsIn:
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OnModbusReadBitsFailed(reqError, None, mbap);
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break;
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case ReadRegistersOut:
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case ReadRegistersIn:
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OnModbusReadRegistersFailed(reqError, None, mbap);
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break;
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case WriteBit:
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OnModbusWriteBitFailed(reqError, None, mbap);
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break;
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case WriteRegister:
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OnModbusWriteRegisterFailed(reqError, None, mbap);
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break;
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case WriteBits:
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OnModbusWriteBitsFailed(reqError, None, mbap);
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break;
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case WriteRegisters:
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OnModbusWriteRegistersFailed(reqError, None, mbap);
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break;
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case MaskRegister:
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OnModbusWriteMasksFailed(reqError, None, mbap);
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break;
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case ReadWriteRegisters:
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OnModbusReadWriteRegistersFailed(reqError, None, mbap);
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break;
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}
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if (reqError == FinalTimeout) // remove the packet from queue
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gQueueSent.Remove(TxID); // wait until here to let the methods above access the request
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_ModbusSendTimerError(gQueueSent[TxID].Buffer, reqError); // throw an "error" in each case
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if (reqError == FinalTimeout) // remove the packet from queue
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gQueueSent.Remove(TxID); // wait until here to let the methods above access the request
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}
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// Second: send new packets
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@ -1025,16 +998,59 @@ on timer gtModbusRobin
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// if packet was sent or the socket is not currently being opened
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if (_ModbusSnd(gQueuePending[TxID].Buffer, gQueuePending[TxID].Length) == 0)
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{
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memcpy(gQueueSent[TxID], gQueuePending[TxID]); // move packet to sent queue
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memcpy(gQueueSent[TxID], gQueuePending[TxID]); // move packet to sent queue
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gQueuePending.Remove(TxID);
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_ModbusRecv(); // wait for new packets
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}
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else if (gQueuePending[TxID].SendTries++ > 10) // We have tried to send this packet too often. Something is wrong!?
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{
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writeDbg(ConnError, "gtModbusRobin: The packet 0x%04X could not be sent, _ModbusSnd() rejected it several times", TxID);
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_ModbusSendTimerError(gQueuePending[TxID].Buffer, NotSent);
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gQueuePending.Remove(TxID);
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_ModbusRecv(); // wait for new packets
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}
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}
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// Stop timer to reduce load and latency of first new packet
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if (gSocketState == ERROR || gQueueSent.Size() == 0 && gQueuePending.Size() == 0)
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{
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writeDbg(ConnDebug, "Stopping Timer gtModbusRobin");
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writeDbg(ConnDebug, "gtModbusRobin: Stopping Timer");
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this.Cancel();
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}
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}
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/// <-ModbusSend>
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// This method will give an Error
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void _ModbusSendTimerError(byte buffer[], enum ModbusRequestError reqError)
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{
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struct ModbusApHeader mbap;
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memcpy_n2h(mbap, buffer);
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switch(mbap.FuncCode)
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{
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case ReadBitsOut:
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case ReadBitsIn:
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OnModbusReadBitsFailed(reqError, None, mbap);
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break;
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case ReadRegistersOut:
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case ReadRegistersIn:
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OnModbusReadRegistersFailed(reqError, None, mbap);
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break;
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case WriteBit:
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OnModbusWriteBitFailed(reqError, None, mbap);
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break;
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case WriteRegister:
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OnModbusWriteRegisterFailed(reqError, None, mbap);
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break;
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case WriteBits:
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OnModbusWriteBitsFailed(reqError, None, mbap);
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break;
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case WriteRegisters:
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OnModbusWriteRegistersFailed(reqError, None, mbap);
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break;
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case MaskRegister:
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OnModbusWriteMasksFailed(reqError, None, mbap);
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break;
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case ReadWriteRegisters:
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OnModbusReadWriteRegistersFailed(reqError, None, mbap);
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break;
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}
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}
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@ -28,7 +28,7 @@ variables
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word Protocol;
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word Length;
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byte UnitID;
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/*enum ModbusFuncCode*/ byte FuncCode;
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byte FuncCode;
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};
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// Read Data from the host. We only need the start address and the number of bits/registers we want to read
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_align(1) struct ModbusReqRead
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@ -95,7 +95,7 @@ variables
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{
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struct ModbusApHeader Header;
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byte ByteCount;
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word Data[gMaxRegsPerRead]; // Max length: 125 registers
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word Data[gMaxRegsPerRead]; // Max length: 125 registers
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};
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// Confirm the write of a single bit/register
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_align(1) struct ModbusResConfirmSingle
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@ -127,7 +127,8 @@ variables
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{
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Exception,
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Timeout,
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FinalTimeout
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FinalTimeout,
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NotSent
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};
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enum ModbusException
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{
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@ -33,7 +33,7 @@ NS_ :
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BS_:
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BU_: Client_ Client_100 Client_101
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BU_: Client_2 Client_3
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