| package evt |
| |
| import "encoding/binary" |
| |
| func (e CommandComplete) NumHCICommandPackets() uint8 { return e[0] } |
| func (e CommandComplete) CommandOpcode() uint16 { return binary.LittleEndian.Uint16(e[1:]) } |
| func (e CommandComplete) ReturnParameters() []byte { return e[3:] } |
| |
| // Per-spec [Vol 2, Part E, 7.7.19], the packet structure should be: |
| // |
| // NumOfHandle, HandleA, HandleB, CompPktNumA, CompPktNumB |
| // |
| // But we got the actual packet from BCM20702A1 with the following structure instead. |
| // |
| // NumOfHandle, HandleA, CompPktNumA, HandleB, CompPktNumB |
| // 02, 40 00, 01 00, 41 00, 01 00 |
| |
| func (e NumberOfCompletedPackets) NumberOfHandles() uint8 { return e[0] } |
| func (e NumberOfCompletedPackets) ConnectionHandle(i int) uint16 { |
| // return binary.LittleEndian.Uint16(e[1+i*2:]) |
| return binary.LittleEndian.Uint16(e[1+i*4:]) |
| } |
| func (e NumberOfCompletedPackets) HCNumOfCompletedPackets(i int) uint16 { |
| // return binary.LittleEndian.Uint16(e[1+int(e.NumberOfHandles())*2:]) |
| return binary.LittleEndian.Uint16(e[1+i*4+2:]) |
| } |
| func (e LEAdvertisingReport) SubeventCode() uint8 { return e[0] } |
| func (e LEAdvertisingReport) NumReports() uint8 { return e[1] } |
| func (e LEAdvertisingReport) EventType(i int) uint8 { return e[2+i] } |
| func (e LEAdvertisingReport) AddressType(i int) uint8 { return e[2+int(e.NumReports())*1+i] } |
| func (e LEAdvertisingReport) Address(i int) [6]byte { |
| e = e[2+int(e.NumReports())*2:] |
| b := [6]byte{} |
| copy(b[:], e[6*i:]) |
| return b |
| } |
| |
| func (e LEAdvertisingReport) LengthData(i int) uint8 { return e[2+int(e.NumReports())*8+i] } |
| |
| func (e LEAdvertisingReport) Data(i int) []byte { |
| l := 0 |
| for j := 0; j < i; j++ { |
| l += int(e.LengthData(j)) |
| } |
| b := e[2+int(e.NumReports())*9+l:] |
| return b[:e.LengthData(i)] |
| } |
| |
| func (e LEAdvertisingReport) RSSI(i int) int8 { |
| l := 0 |
| for j := 0; j < int(e.NumReports()); j++ { |
| l += int(e.LengthData(j)) |
| } |
| return int8(e[2+int(e.NumReports())*9+l+i]) |
| } |
