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Original question:

file software_C.obj specifies ISA revision "C2800" which is not compatible with ISA revision "C28FPU32" specified in previous...

CCS/CCSTUDIO3: Is IQmath.lib compatible with the floating point unit support?

Elizaveta Samygina
Prodigy 20 points

Part Number: CCSTUDIO3
Other Parts Discussed in Thread: CONTROLSUITE, C2000WARE

Tool/software: Code Composer Studio

Hello,

I developped an application on CCS3.3 for the F28335 target which uses floating point unit support. So I adjusted <fpu32> and the Processor verison -v to <28> build options and rts2800_fpu32.lib library. Now I want to add some IQmath functions in this project and add IQmath.lib library. On this step I get the following error message from the linker:

....IQmath.lib<IQ4sqrt.obj>" specifies ISA revision "C2800", which is not compatible with ISA revision "C28FPU32" specified in a previous file or on the command line

I understand what the error says but I can't take away the FPU support from my project in code composer. Could you please say me, is there any build options which could allow me to use both floating point support and IQ mathematics at the same time?

Thanks in advance. 

Elizaveta