BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a conceptual drawing of a system configuration according to a first embodiment.
FIG. 2 is a block diagram of a content playing apparatus according to the first embodiment.
FIG. 3 is block diagram of a USB communication device according to the first embodiment.
FIG. 4 is a block diagram of a doll according to the first embodiment.
FIG. 5 shows an example of description of application processing description data according to the first embodiment in HTML and JavaScript®.
FIG. 6 shows an example of description of application processing description data according to the first embodiment in BML and ECMAScript.
FIG. 7 shows a relationship between the application processing description data, and command and values communicated by devices according to the first embodiment.
FIG. 8 is a table showing conversion rules of a protocol converter of the USB communication device according to the first embodiment.
FIG. 9 is a flowchart showing a read operation of the content playing apparatus according to the first embodiment.
FIG. 10 is a flowchart showing an operation of the USB communication device according to the first embodiment.
FIG. 11 is a flowchart showing a write operation of the content playing apparatus according to the first embodiment.
FIG. 12 is a flowchart showing an operation of the USB communication device according to the first embodiment.
FIG. 13 is a conceptual drawing of a system configuration according to a second embodiment.
FIG. 14 is a block diagram of a USB communication device according to the second embodiment.
FIG. 15 is a flowchart showing an operation of the USB communication device at a USB connection phase according to the second embodiment.
FIG. 16 is a flowchart showing an operation of the USB communication device at a supervision phase according to the second embodiment.
FIG. 17 shows a relationship between commands and values exchanged by devices at a command execution phase according to the second embodiment.
FIG. 18 is a flowchart showing an operation related to a write request of the content playing apparatus according to the second embodiment.
FIG. 19 is a flowchart showing an operation of the USB communication device according to the second embodiment.