Question: What changes need to be made in a PSoC® Creator™ project for LFN support with the PSoC 3 emFile Component?
The libraries stored in the “emfilezip\LinkLibrary\PSoC3\Keil_PK51” folder are all built with LFN support. There is no need to rebuild them. The compile errors are caused by the missing FS_FAT_SupportLFN() function. This function is defined only in the PSoC 5 (ARM® Cortex™-M) version of emFile. You can use the __CC_ARM pre-defined compiler define to include the FS_FAT_SupportLFN() function only for ARM targets.
This workaround will allow you to create files with LFM support:
#if __CC_ARM FS_FAT_SupportLFN(); #endif