run或者debug的时候 有可能会出现如下界面。

1057978105

nios2-terminal: connected to hardware target using JTAG UART on cable
nios2-terminal: "USB-Blaster [USB-0]", device 1, instance 0
nios2-terminal: Warning: The JTAG cable you are using is not supported for Nios
nios2-terminal: II systems. You may experience intermittent JTAG communication
nios2-terminal: failures with this cable. Please use a USB Blaster revision B
nios2-terminal: cable or another supported cable. Please refer to the file
nios2-terminal: errata.txt included in the Nios II development kit documents
nios2-terminal: directory for more information.
nios2-terminal: (Use the IDE stop button or Ctrl-C to terminate)