自动售货机 包含可调节输入输出 vhdl实现也可-vending machines include adjustable input and output VHDL can be achieved

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自动可乐售货机 用两个发光二极管分别模拟售出面值为5角和1元的可乐，购买者可通过开关选择一种面值的可乐，灯亮时表示可乐售出。用开关分别模拟1元，5角人民币投入，用发光二极管分别代表着回剩余的硬币。 -Auto-Cola vending machine were simulated with two light-emitting diode sold in denominations of 50 cents and $ 1 Coke, buyers can switch to choose a

整个电路由单一饮料控制电路模块binctr.vhd和顶层电路模块refill.vhd组成；其中顶层电路模块中包含两种饮料控制电路，一种饮料为cola，另一种饮料为diet。其中每一种饮料的最大数量为3，当两种饮料的剩余数量均为0时使refill_bins置1。binctr.vhd控制电路以递减计数器为基础，并将该模块作为一个component包含在package中。-The entire circuit is controlled by a single beverage circuit the