| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of compatibility that can occur when updating a device control program.SOLUTION: Device control program means which is updated independently of an external device side program operating on an external device 210 and is configured by including a body part 252, a first storage part 230 which stores additional function information that is inherited from the external device side program and regulates an additional function added to the body part 252, a second storage part 254 which stores the additional function information that regulates the additional function apart from the first storage part 230, and compatibility determination means 272 which determines additional function information having compatibility with the body part 252 in one or more pieces of additional function information stored in the first storage part 230 and the second storage part 254 are provided. |
