Quartus软件报错记录
一、
错误：
Error (201009): Bus port "O_LED_A" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_A" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_B" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_C" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_A" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_B" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Error (201009): Bus port "O_LED_C" specified in vector source file has width of 4, which does not match width 7 of top level port of same name
Info (201000): Generated Verilog Test Bench File E:/quartus_install/install/PROJECT/TRAFFIC/xhr312/simulation/qsim/Waveform2.vwf.vt for simulation
Error: Quartus II 64-Bit EDA Netlist Writer was unsuccessful. 7 errors, 0 warnings
Error: Peak virtual memory: 4627 megabytes
Error: Processing ended: Thu Dec 15 15:51:58 2022
Error: Elapsed time: 00:00:01
Error: Total CPU time (on all processors): 00:00:01
Error.
原因：
这是一个子模块的仿真，子模块中输出的O_LED_A位宽是4位，顶层中也输出的有一个O_LED_A位宽是7位，分配管脚是时候是对7位分配的。在对子模块进行仿真的时候，因为名称相同，位宽不同，所以分配管脚中还是7位，导致出现了这个错误！
SOLUTION:
就算把顶层模块代码删掉，由于管脚分配仍然存在，所以还是会报错。唯二的方法就是更换子模块输出端口名称，另一个就是把引脚分配全部删除掉。