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be87e8a4ca1bb74fb4ff26409128b109bb7ab6fe
dwarf_protocol/05_ble_messages.md
Jacquin Antoine be87e8a4ca Add complete DWARFLAB protocol documentation 
- Architecture overview, BLE and WebSocket protocols
- All 19 modules with command IDs validated against smali source
- BLE packet format with CRC-16/MODBUS pseudocode
- Complete WsCmd index (~300 commands)
- Connection flow with pseudocode examples
- Methodology section explaining APK decompilation process
2026-06-13 00:21:19 +02:00

7.0 KiB
Raw Blame History

BLE Messages (BleProto)

All BLE messages are serialized as BleProto protobuf, wrapped in the BLE packet format described in 02_ble_protocol.md.

Authentication & Configuration

ReqGetconfig — Get Device Configuration (cmd=1)

Authenticate and retrieve device WiFi/IP info.

Field # Type Description
cmd 1 int32 Command code: 1 = GetWiFiConfig
blePsd 2 string BLE password (default: "DWARF_12345678")
clientId 3 string Client identifier

ResGetconfig — Configuration Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code (0=success)
state 3 int32 Device state
wifiMode 4 int32 WiFi mode (0=off, 1=AP, 2=STA)
apMode 5 int32 AP mode
autoStart 6 int32 Auto-start flag
apCountryList 7 int32 AP country list
ssid 8 string Current SSID
psd 9 string WiFi password
ip 10 string Device IP (for WebSocket)
apCountry 11 string AP country code

ReqGetsysteminfo — Get System Info (cmd=7)

Field # Type Description
cmd 1 int32 Command code: 7 = GetDeviceInfo
clientId 2 string Client identifier

ResGetsysteminfo — System Info Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code
protocolVersion 3 int32 Protocol version
macAddress 5 string MAC address
device 4 string Device name
dwarfOtaVersion 6 string OTA firmware version

WiFi Configuration

ReqSta — Configure Station Mode (cmd=3)

Connect the device to an existing WiFi network.

Field # Type Description
cmd 1 int32 Command code: 3 = SetSTAMode
autoStart 2 int32 Auto-start flag
blePsd 3 string BLE password
ssid 4 string Target SSID
psd 5 string Target WiFi password
clientId 6 string Client identifier

ResSta — Station Mode Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code
ssid 3 string Connected SSID
psd 4 string Password
ip 5 string Obtained IP (for WebSocket)

ReqAp — Configure Access Point Mode (cmd=2)

Configure the device as a WiFi hotspot.

Field # Type Description
cmd 1 int32 Command code: 2 = SetApMode
wifiType 2 int32 WiFi type
autoStart 3 int32 Auto-start flag
countryList 4 int32 Country list
country 5 string Country code
blePsd 6 string BLE password
clientId 7 string Client identifier
forceRestart 8 bool Force restart

ResAp — Access Point Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code
mode 3 int32 Mode
ssid 4 string AP SSID
psd 5 string AP password

Utility Commands

ReqSetblewifi — Set BLE/WiFi Name & Password (cmd=4)

Field # Type Description
cmd 1 int32 Command code: 4 = SetNamePwd
mode 2 int32 Mode (0/1)
blePsd 3 string BLE password
value 4 string New value
clientId 5 string Client identifier

ReqReset — Factory Reset (cmd=5)

Field # Type Description
cmd 1 int32 Command code: 5 = Reset
clientId 2 string Client identifier

ResReset — Reset Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code

ReqGetwifilist — Scan WiFi Networks (cmd=6)

Field # Type Description
cmd 1 int32 Command code: 6 = GetWiFiList
clientId 2 string Client identifier

ReqCheckFile — OTA File Check

Field # Type Description
cmd 1 int32 Command code
filePath 2 string File path
md5 3 string MD5 checksum

ResCheckFile — OTA Check Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code

Keepalive: DwarfPing / DwarfEcho

DwarfPing — Heartbeat from App

Field # Type Description
vocaltype 1 int32 Type: 1=VT_PING
timestamp 2 int64 Unix timestamp
magic 3 bytes Session magic bytes
vocals 4 repeated DwarfPing Nested pings
mutes 5 repeated NifAP AP info list

DwarfEcho — Heartbeat Response from Device

Field # Type Description
vocaltype 1 int32 Type: 2=VT_ECHO
timestamp 2 int64 Unix timestamp
magic 3 bytes Session magic bytes
tsPing 4 int64 Echo of ping timestamp
macAddress 5 bytes Device MAC address
model 6 BleProto Device model info
sn 7 string Serial number
name 8 string Device name
psw 9 string Password
fwVersion 10 string Firmware version
wsScheme 11 string WebSocket scheme ("ws")
session 12 int32 Session ID
ap 13 BleProto AP info
sta 14 BleProto STA info

Network Info Messages

NifAP — Access Point Info

Field # Type Description
ifname 1 string Interface name
mode 2 int32 AP mode
countryCode 3 string Country code
ssid 4 string SSID
sec 5 string Security type
psw 6 string Password
ipv4 7 bytes IPv4 address
ipv6 8 bytes IPv6 address

NifSTA — Station Info

Field # Type Description
ifname 1 string Interface name
ssid 2 string Connected SSID
psw 3 string Password
rssi 4 int32 Signal strength
ipv4 5 bytes IPv4 address
ipv6 6 bytes IPv6 address

Common Messages

ResCommon — Generic Response

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Status code

ResReceiveDataError — Receive Error

Field # Type Description
cmd 1 int32 Command code
code 2 int32 Error code

VocalType — Enum

Value Name Description
0 VT_UNKNOWN Unknown
1 VT_PING Ping (app → device)
2 VT_ECHO Echo (device → app)