vital-well.com
TABLEOFCONTENTS
1. PRODUCTOVERVIEW..............................................................................................................1
1.1. GeneralDescription ..........................................................................................................1
1.1.1.DeviceFeatures......................................................................................................1
1.1.2.Specifications..........................................................................................................2
1.1.3.KeyApplication .......................................................................................................2
1.2. HardwareIntroduction.......................................................................................................3
1.2.1.PinsDefinition .........................................................................................................3
2. FUNCTIONALDESCRIPTION....................................................................................................5
2.1.Wireless Networking.........................................................................................................5
2.1.1.BasicWireless NetworkBasedOnAP (Infrastructure)............................................5
2.1.2. Wireless NetworkBasedOnAP+STA.....................................................................5
2.2. OperateMode :Transparent TransmissionMode .............................................................6
2.3. UARTFrameScheme.......................................................................................................7
2.3.1.UARTFree-Frame..................................................................................................7
2.3.2.UARTAuto-Frame..................................................................................................7
2.4. Encryption.........................................................................................................................8
2.5. ParametersConfiguration .................................................................................................8
2.6. SOCKETBFunction .........................................................................................................8
2.7. Multi-TCPLinkConnection................................................................................................9
3. OPERATIONGUIDELINE.........................................................................................................10
3.1. VW801/VW802/VW803/VW804Usage Introduction.....................................................10
3.1.1.SoftwareTools......................................................................................................10
3.1.2.NetworkConnection..............................................................................................10
3.1.3.DefaultParameterSetting..................................................................................... 11
3.1.4.ModemTest.......................................................................................................... 11
3.2. TypicalApplicationExamples..........................................................................................14
3.2.1. Wireless ControlApplication..................................................................................14
3.2.2.RemoteManagementApplication..........................................................................14
3.2.3.Transparent SerialPortApplication .......................................................................14
4. AT+INSTRUCTIONINTRODUCTION.......................................................................................16
4.1. ConfigurationMode.........................................................................................................16
4.1.1.SwitchtoConfigurationMode................................................................................16
4.2. AT+Instruction Set Overview...........................................................................................17
4.2.1.Instruction SyntaxFormat......................................................................................18
4.2.2.AT+InstructionSet.................................................................................................19
APPENDIXA: HTTPPROTOCOLTRANSFER.............................................................................37
A.1.HTTPATcommand ........................................................................................................37
A.2.HTTPExample...............................................................................................................39
APPENDIXB: Doument History..................................................................................................40
