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I am transferred a source from friend for study. inside main.c, there is a function named setSensiPars called (setSensiPars(3,0)), I tried to trace its definition by right-clicked on it and choose go to definition of 'setSensiPars' but I get the msg box: Source Browser:'setSensiPars'- undefined definition/reference.
if I also right click but choose "go to reference to.." i get extern void setSensiPars(uint8_t pga, uint8_t forceUpdate); in pga.h, which it is included by main.c
it is weird that there is no definition of setSensiPars but no error. then I tried to comment extern void setSensiPars(uint8_t pga, uint8_t forceUpdate); and re build again, still no error (even though there is a warning is setSensiPars is implicitly called)
if I rename setSensiPars into setSensiPars1, get error when compiling
so I strongly guess setSensiPars is defined somewhere I could not find out.
Any suggestion can help me find out setSensiPars?
Thank Neil for opinion.
The source actually is inherited from a company and it is not easy to contact. I confirm that there is a lib file in the source, your idea may be correct
You could use your toolchain's library manager to find what functions are exposed by the library.
You could also look in the Linker map to see if it tells you where the definition came from.
You haven't stated what toolchain you're using, so can't be more specific.