求救啊！
CCS中这样提示：
Error connecting to the target:
(Error -1155 @ 0x0)
Device may be operating in low-power mode. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK).
(Emulation package 5.1.207.0)
