CCS关于volatile问题

reporter

当运行一下语句时；unsignedint*iFlashAddr;iFlashAddr=(volatileunsignedint*)0xffff;出现这样的错误提示："flash.c",line49:error:avalueoftype"volatileunsignedint*"cannotbeassignedtoanentityoftype"unsignedint*"请问这是为什么啊？