INCAP TEST.o(.text+0x14): In function `_ISR_IC1Interrupt': D:\IC TEST\INCAP TEST.c:19: undefined reference to `ReadCapture1' INCAP TEST.o(.text+0x88): In function `main': D:\IC TEST\INCAP TEST.c:68: undefined reference to `ReadCapture1' Link step failed. ---------------------------------------------------------------------- Debug build of project `D:\IC TEST\TEST.mcp' failed. Preprocessor symbol `__DEBUG' is defined. Sun Apr 05 21:35:26 2009 ---------------------------------------------------------------------- BUILD FAILED