Accessory identification for mobile computing devices

摘要

Embodiments disclosed herein provide for identification processes and/or procedures for accessories coupled with a mobile computing device. During identification an accessory can communicate lingo information that includes only those lingoes the accessory can use while coupled with the mobile computing device. The accessory can also communicate accessory protocol information to the mobile computing device during identification. The accessory can be limited to using only those lingoes and/or those protocols identified during identification. Various other accessory information, capabilities, preferences, etc. can also be communicated to the mobile computing device during identification.

主权项

1. A method of operating an accessory, the method comprising:
establishing communication with a mobile computing device; sending an identify token to the mobile computing device, wherein the identify token includes information identifying one or more lingoes as being usable by the accessory; sending a capability token to the mobile computing device, the capability token including information specifying one or more capabilities of the mobile computing device as being supported by the accessory, wherein the capability token includes a code-value pair, the code being indicative of (a) a type of information included in the capability token and (b) a length of the capability token, and the value representing the actual information; and subsequently communicating with the mobile computing device, wherein only the identified one or more lingoes and only the specified one or more capabilities are usable by the accessory while communicating with the mobile computing device.