https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/iMXRT-XCP-on-Serial-quot-ERR-MEMORY-OVERFLOW-received-in/m-p/1970022#M9641 <P>Hello,<BR /><BR />When adding more signals to the example "evkmimxrt1060_extmode" (8x Signals in total), the model builds with the error:<BR /><BR />"action: EXT_CONNECT<BR />Connecting to the target...<BR />Model status: 2<BR />External mode structural checksum received from target: [0x1907bee5, 0xc2324ddc, 0x7239595, 0x5dad94d2].<BR />Target integer only code: 0<BR />Enabling XCP Synchronous Data Transfer...<BR />External Mode Open Protocol Connect command failed<BR />Caused by:<BR />ERR packet with error code 'ERR_MEMORY_OVERFLOW' received in response to XCP command 'ALLOC_ODT_ENTRY'. Target memory available for allocation to internal data structures is not sufficient. Set 'ExtModeAutomaticAllocSize' to 'on' or manually increase the target memory that is available for internal data structures."<BR /><BR />Attached the files for simulink.<BR /><BR />The issue can replicated on the EVK.<BR /><BR />My normal model has over 350 signals and runs fine in Freemaster, but the project is planned with XCP communication.<BR /><BR />DTC_Ram has already been increased over the FlexRam but when building, DTC is <SPAN>16852 B</SPAN>.<BR /><BR />How does NXP recommend to resolve the issue?&nbsp; It appears MBDT is already automatically allocating the memory.</P> Wed, 09 Oct 2024 14:01:43 GMT Sam_ECU 2024-10-09T14:01:43Z https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/iMXRT-XCP-on-Serial-quot-ERR-MEMORY-OVERFLOW-received-in/m-p/1970022#M9641 <P>Hello,<BR /><BR />When adding more signals to the example "evkmimxrt1060_extmode" (8x Signals in total), the model builds with the error:<BR /><BR />"action: EXT_CONNECT<BR />Connecting to the target...<BR />Model status: 2<BR />External mode structural checksum received from target: [0x1907bee5, 0xc2324ddc, 0x7239595, 0x5dad94d2].<BR />Target integer only code: 0<BR />Enabling XCP Synchronous Data Transfer...<BR />External Mode Open Protocol Connect command failed<BR />Caused by:<BR />ERR packet with error code 'ERR_MEMORY_OVERFLOW' received in response to XCP command 'ALLOC_ODT_ENTRY'. Target memory available for allocation to internal data structures is not sufficient. Set 'ExtModeAutomaticAllocSize' to 'on' or manually increase the target memory that is available for internal data structures."<BR /><BR />Attached the files for simulink.<BR /><BR />The issue can replicated on the EVK.<BR /><BR />My normal model has over 350 signals and runs fine in Freemaster, but the project is planned with XCP communication.<BR /><BR />DTC_Ram has already been increased over the FlexRam but when building, DTC is <SPAN>16852 B</SPAN>.<BR /><BR />How does NXP recommend to resolve the issue?&nbsp; It appears MBDT is already automatically allocating the memory.</P> Wed, 09 Oct 2024 14:01:43 GMT https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/iMXRT-XCP-on-Serial-quot-ERR-MEMORY-OVERFLOW-received-in/m-p/1970022#M9641 Sam_ECU 2024-10-09T14:01:43Z