Verilog课程设计自动售货机

1）设计一个自动售货机，此机能出售1.5元、2元两种商品。出售哪种商品可有顾客按动相应的一个按键即可，并同时用数码管显示出此商品的价格。可同时购买两种、多件商品。



2）顾客投入硬币的钱数有5角、1元两种。此操作通过按动相应的两个按键来模拟，并同时用数码管将投币额显示出来。



3）顾客投币后，按一次确认键，如果投币额不足时则报警灯亮。如果投币额足够时自动送出货物（送出的货物用相应不同的指示灯显示来模拟），同时多余的钱应找回，找回的钱数用数码管显示出来，库存显示减少。



4）顾客一旦按下取消键，自动售货机即可自动恢复到初始状态，此时才允许顾客进行下一次购货操作。



5）售货机还应具有供商家供货功能，可通过两个按键增加两种商品的库存量，有数码管显示库存量。



6）此售货机要设有两个由商家控制的复位键，可分别将两种商品清零。-Verilog curriculum design of vending machine



1) design a vending machine, the function of the sale of 1.5 yuan, 2 yuan two kinds of commodities. The sale of which products can have a button you can press the corresponding customers, and at the same time, digital tube displays the price for this commodity. Can buy two, multiple items at the same time.



2) customer input number of coins of 5, 1 yuan two angle. This operation is simulated by pressing the corresponding button two, and at the same time, digital tube will pay the amount displayed.



3) after the customer coin, press the enter button again, if the amount is less than when the warning lights. If the amount is sufficient automatically send the goods (send goods by the corresponding indicating lamp to simulate different display), and the extra money should be recovered, digital tube counting money back to display, display reduced inventory.



4) once customers press the Cancel button, vending machine can automatically ret