![]() I have mentioned below the sample stats of the ATM machine. The state of the ATM machine could be changed through the coming events. In this article, I will describe some approaches for implementing a state machine in C.įor example, I am considering an ATM machine and creating its sample state machine in C. In the finite state machine, the procedure to change one state to another state is called transition. This input could be timer expiry signal, hardware or software interrupt. This event handler executes when the relevant events come.Ī finite state machine can have multiple states, it can switch from one state to another state on the basis of internal or external input. Some POS devices are used the event table in which events are registered with an event handler. ![]() There are a lot of devices which use event base states, like coffee machine, vending machine, POS devices, door lock system, etc. ![]() ![]() A finite state machine makes the development easy and smooth. A finite state machine in C is one of the popular design patterns for the embedded system. Nowadays many applications either small or complex use the finite state machine (FSM). ![]()
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