MULTI-POINT VIRTUAL GENERAL-PURPOSE INPUT/OUTPUT (MP-VGI) FOR LOW LATENCY EVENT MESSAGING

摘要

Systems, methods, and apparatus adapted to transmit coexistence management interface (CxMi) messages over a multi-point serial bus are described. A method performed at a device coupled to a multi-point serial bus includes encoding CxMi state as one or more virtual general-purpose input/output (VGI) messages, and transmitting the VGI messages over the multi-point serial bus in a command code field of a datagram addressed to one or more devices coupled to the multi-point serial bus. The serial bus may be operated in accordance with an RFFE protocol SPMI protocol.