Hi Johan, Thanks for your help. It is more clear now. The 5 io capability is related to low energy smp. And the first 4 IO capability parameters are the same as the values for SSP. And the DisplayYesNo IO capability can support the numeric comparison mode in SSP. right? Thanks a lot. BEST Xian On Dec 20, 2012, at 2:55 AM, Johan Hedberg wrote: > Hi Xian, > > On Wed, Dec 19, 2012, Xian Pan wrote: >> I confuse the relationship between the 4 pairing mode in SSP with the >> IO capability parameter for the agent. From the agent-api.txt file, >> the capability parameter can have 5 values: DisplayOnly, DisplayYesNo, >> KeyboardOnly, NoInputNoOutput and KeyboardDisplay. I think there are >> only 4 pairing mode in SSP: just works, numeric comparison, out of >> band, and passkey entry. How the 5 IO capabilities can map to those 4 >> pairing modes? > > Low Energy SMP based pairing introduces the additional KeyboardDisplay > IO capability. If you want to support LE it's recommended you provide > that as your agent capability and BlueZ will then automatically > downgrade it to DisplayYesNo for BR/EDR (SSP) pairing and use it as is > for LE SMP pairing. > > Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
