PEAK-System Forum

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 cantp_handle client_handle;
 uds_status status;
 UInt32 dw_buffer;
 uds_msgconfig config = new uds_msgconfig();

// Set the PCAN-Channel to use
 client_handle = cantp_handle.PCANTP_HANDLE_USBBUS1; // TODO: modify the value according to your available PCAN devices.
 status = UDSApi.Initialize_2013(client_handle, cantp_baudrate.PCANTP_BAUDRATE_250K);
 Console.WriteLine("Initialize UDS: {0}", (int)status);

 //cantp_handle channel = cantp_handle.PCANTP_HANDLE_USBBUS1;
 cantp_status result;
 cantp_mapping request_mapping = new cantp_mapping();
 cantp_mapping response_mapping;
 request_mapping.can_id = 0x781;
 request_mapping.can_id_flow_ctrl = 0x7F1;
 request_mapping.netaddrinfo.source_addr = 0x11;
 request_mapping.netaddrinfo.target_addr = 0x22;
 request_mapping.netaddrinfo.extension_addr = 0x0;
 request_mapping.can_msgtype = cantp_can_msgtype.PCANTP_CAN_MSGTYPE_STANDARD;
 request_mapping.netaddrinfo.format = cantp_isotp_format.PCANTP_ISOTP_FORMAT_NORMAL;
 request_mapping.netaddrinfo.msgtype = cantp_isotp_msgtype.PCANTP_ISOTP_MSGTYPE_DIAGNOSTIC;
 request_mapping.netaddrinfo.target_type = cantp_isotp_addressing.PCANTP_ISOTP_ADDRESSING_PHYSICAL;
 // Defines a second mapping to allow communication from Destination 0x22 to Source 0x11.
 response_mapping = request_mapping;
 response_mapping.can_id = request_mapping.can_id_flow_ctrl;
 response_mapping.can_id_flow_ctrl = request_mapping.can_id;
 response_mapping.netaddrinfo.source_addr = request_mapping.netaddrinfo.target_addr;
 response_mapping.netaddrinfo.target_addr = request_mapping.netaddrinfo.source_addr;

 // Add request mapping
 
 result = CanTpApi.AddMapping_2016(client_handle, ref request_mapping);
 if (!CanTpApi.StatusIsOk_2016(result, cantp_status.PCANTP_STATUS_OK))
 {
     Console.WriteLine("Failed to add request mapping.");
 }

 result = CanTpApi.AddMapping_2016(client_handle, ref response_mapping);
 if (!CanTpApi.StatusIsOk_2016(result, cantp_status.PCANTP_STATUS_OK))
 {
     Console.WriteLine("Failed to add response mapping.");
 }
     
 // Define TimeOuts
 dw_buffer = CanTpApi.PCANTP_ISO_TIMEOUTS_15765_4;
 status = UDSApi.SetValue_2013(client_handle, uds_parameter.PUDS_PARAMETER_ISO_TIMEOUTS, ref dw_buffer, sizeof(UInt32));
 Console.WriteLine("Set ISO 15765-4 timeouts values: {0}", (int)status);
 waitGetch();

 // Define Network Address Information used for all the tests
 //config.can_id = (UInt32)0xFFFFFFFF;
 config.can_id = (UInt16)0x781;
 config.can_msgtype = cantp_can_msgtype.PCANTP_CAN_MSGTYPE_STANDARD;
 config.nai.protocol = uds_msgprotocol.PUDS_MSGPROTOCOL_ISO_15765_2_11B_NORMAL;
 config.nai.target_type = cantp_isotp_addressing.PCANTP_ISOTP_ADDRESSING_PHYSICAL;
 config.type = uds_msgtype.PUDS_MSGTYPE_USDT;//usdt
 //config.nai.source_addr = (UInt16)uds_address.PUDS_ADDRESS_ISO_15765_4_ADDR_TEST_EQUIPMENT;
 //config.nai.target_addr = (UInt16)uds_address.PUDS_ADDRESS_ISO_15765_4_ADDR_ECU_1;
 config.nai.source_addr = (UInt16)0x11;
 config.nai.target_addr = (UInt16)0x22;

 // The following functions call UDS Services
 testDiagnosticSessionControl(client_handle, config);

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            dw_buffer = CanTpApi.PCANTP_CAN_DATA_PADDING_NONE;
            status = UDSApi.SetValue_2013(client_handle, uds_parameter.PUDS_PARAMETER_CAN_DATA_PADDING, ref dw_buffer, sizeof(UInt32));
            Console.WriteLine("Set Padding status: {0}", (int)status);
            waitGetch();

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           dw_buffer = CanTpApi.PCANTP_ISO_TIMEOUTS_15765_4;
           status = UDSApi.SetValue_2013(client_handle, uds_parameter.PUDS_PARAMETER_CAN_PADDING_VALUE, new byte[] {0x00 }, sizeof(UInt32));
           Console.WriteLine("Set Data Padding to None: {0}", (int)status);
           waitGetch();

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Setting a DEFAULT Diagnostic Session:
 UDS_SvcDiagnosticSessionControl_2013: 587202560

UDS request from 0x0011 (to 0x0022, with extension address 0x00) - result: 0 - OK !
-> Length: 2, Data= 10 01

 /!\ ERROR: NO UDS RESPONSE !!
 Free request message: 0
 Free response message: 0
 Free confirmation message: 0
 Diagnostic Session Information: 0, 0x0022 => 1 = [0032; 01F4]