摘要 |
The invention is a method for using an optical communication protocol between first and second devices. The method comprises the following steps:
- said first device generates and displays a command image comprising a command,
- said second device takes a command picture of the command image, interprets the command picture, retrieves the command and generates a result by executing the command,
- said second device generates and displays a response image comprising the result,
- said first device takes a response picture of the response image, interprets the response picture, gets the result and associates the result with the command. |