syntax = "proto2"; import "nanopb.proto"; message RequestDeviceList { required uint32 msg =1; } message Device { required bool available =1; required uint32 canid = 2; required uint32 device = 3; required uint32 counter = 4; optional uint32 type = 5; } message ResponseDeviceList { repeated Device devices = 1 [(nanopb).max_count = 18]; }