nios2 IDE ，时钟程序，实现其主要功能如下：1．在液晶屏上显示时间、日期、状态提示；2．在控制台上显示时间、日期、状态提示；3．对时间、日期能够进行设置；4．在8位七段显示器上显示时间、日期；5. 整点报时功能（利用LED闪烁提醒）。请根据请添加的cpu系统更改其中的调用名称。-nios2 IDE, clock procedures to achieve its main function is as follows: 1. Displayed on the LCD screen time, date, status tips　2. On the console display time, date, status tips　3. Of the time, date to be set　4. In the eight seven-segment display shows time, date　5. The whole point timekeeping function (using the LED flashes to remind). Please add the cpu according to system changes the name of one of the calls.