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C6455 VCP2问题



各位TI工程师你们好,我的程序在VCP2例程改的,但在单步调试时

CSL_FINST (((CSL_DevRegs*)CSL_DEV_REGS)->PERLOCK, DEV_PERLOCK_LOCKVAL, UNLOCK);

CSL_FINST (((CSL_DevRegs*)CSL_DEV_REGS)->PERCFG0, DEV_PERCFG0_VCPCTL, ENABLE);

while (CSL_DEV_PERSTAT0_VCPSTAT_ENABLE !=
CSL_FEXT (((CSL_DevRegs*)CSL_DEV_REGS)->PERSTAT0, DEV_PERSTAT0_VCPSTAT));

最后一句有时候跳不出来,一直在里面。有时候可以单步通过,请教一下这方面的问题应该如何解决,谢谢