User's Guide
Table Of Contents
- Document related firmware and hardware
- Form factor
- General Specifications
- Interfaces
- Specifications
- Regulatory conformity summary
- Technical Drawing
- GPIOs
- 16 pins connector
- 8 pins connector
- Power supply design
- Board layout
- Antenna performance
- Introduction
- Generic message structure
- Communication protocol
- Encryption (6 bits)
- Message Type (1 bit)
- Simplified Mode
- Message types
- Payload: Simplified Message type
- Message Type advanced
- Encryption Types
- Payload
- Payload [0] PayloadType <4: 0>
- payload [0] PayloadType <7: 5>
- TypeID
- Refresh
- DataWithoutAck
- DataWithAck
- FileTransfer
- Event
- Return
- Get
- Set
- Payload [1]: sub-type <7: 0>
- AckData 0x03
- RoutingTableInfo 0x20
- TableLvl1 0x21
- DebugInfos 0x22
- Settings 0x23
- Rssi 0x24
- MasterID 0x25
- NackInfos 0x2B
- DecryptionError 0x2C
- WrongParameter 0x2D
- Payload [1]: subType <7: 0>
- TypeID 0x00
- Refresh 0x01
- RoutingTableInfo 0x20
- TableLvl1 0x21
- DebugInfos 0x22
- Settings 0x23
- Rssi 0x24
- MasterID 0x25
- 0x23Settings
- MasterID 0x25
- ForceRelay 0x26
- Password 0x26
- ResetMcu 0x28
- CloseDevice 0x29
- United States (FCC)
- OEM labeling requirements
- FCC notices
- FCC-approved antennas
- RF exposure
- CANADA - ISED (Innovation, Science and Economic Development Canada)
- Labeling requirements
- Detachable antenna
- EUROPE (CE)
- Maximum power and frequency specifications
- OEM labeling requirements
- Declarations of conformity
- Antennas
15
Generic message structure
Both mode, simplified or advanced are using the same base structure. Both are meant to be efficient on
any type of transport protocol and secured in both possible encryption and integrity of datas."
Every message sent thru emToo protocol must be packet for the Transport layer structure."
Said transport layer is what is creating the capacity to travel on every type of protocols."
Transport layers such as IP, Serial or Bluetooth are completely transparent and rely on a Mesh reality
which held, depending on protocols on a system of relay which allowed a packet to switch from one
type of transport to the other without the system needing to know it."
This is coming with some limitation like payload size with is maintained fairly small as it allows smaller
capacity type of transport such as emMesh and BLE to be able to participate as said mesh reality.
Although said payload could be increased if protocol is only used in IP, knowing which device will be
used as relay is fairly important to allows said behaviour and we do not recommend it.(