"You have more than one JTAG cable available so you must use the --cable option
to choose between them (or open the "Run/Run" or "Run/Debug" dialog and go to
the "Target Connection" tab).
No --cable op ..."
"Error (10206): Verilog HDL Module Declaration error at test_light.v(2): top module port "light" is not found in the port list。
解决:top module需要加上port list。"