| 主权项 |
1. A controller, comprising:
a storage unit configured to store setup information indicating whether to use a real device or to use a virtual device program simulating the real device in place of the real device; and a program execution unit configured to refer to the setup information and execute the virtual device program when the setup information indicates use of the virtual device, wherein the setup information includes information for a plurality of devices, and indicates, for each of the plurality of devices, whether to use a real device or to use a virtual device program in place of the real device, the program execution unit executes the virtual device program by using a virtual input signal when the setup information indicates use of the virtual device program and when the real device simulated by the virtual device program is an input device, and the program execution unit writes an execution result of the virtual device program to the storage unit, and executes control in a manner not to write a signal from the real device to the storage unit. |
