Q: 按Myfirst Niosii QSYS文档操作创建Quartus工程后,编译提示以下错误:
Error:12002 Port "clk_50" doesn't exist in macrofunction "DE0_NANO_inst"
Error:12002 Port "out_port_from_the_pio_led" doesn't exist in macrofunction "DE0_NANO_inst"
Error:12002 Port "reset_n" doesn't exist in macrofunction "DE0_NANO_inst"