修改代码的时候，不小心把InitFlash删掉了，后来程序就再也烧不进去了，是不是flash锁死了？快帮帮我?
Device Calibration not complete, check if device is unlocked and recalibrate.C28xx: Flash Programmer: Device is locked or not connected. Operation cancelled.
C28xx: File Loader: Memory write failed: Unknown error