View source for Component: IButton (DS1990) (EEPROM)

{| style="width:50%"
|-
| width="20%" style="color:gray;" | Author
| MatrixTSL
|-
| width="20%" style="color:gray;" | Version
| 1.0
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| width="20%" style="color:gray;" | Category
| EEPROM
|}


==IButton (DS1990) component==
A rugged 48-bit unique identifier allowing for unique codes for logistical tracking or device identifiers etc. Compatible with the DS1990A and DS1990R iButton devices. Requires a One Wire component to perform the bus operations.

==Component Source Code==

Please click here for the component source code: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_IButton_DS1990.fcfx FC_Comp_Source_IButton_DS1990.fcfx]

==Detailed description==















''No detailed description exists yet for this component''

==Examples==
















''<span style="color:red;">No additional examples</span>''


==Macro reference==

{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetSerialString'''
|-
| colspan="2" | Gets the Serial String for the current addressed device.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AddressNextDevice'''
|-
| colspan="2" | Scans for the next connected device with a matching family code. Goes through the device list generated by the ScanBus macro.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Configures each matching sensor on the bus with the specified conversion bits.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




==Property reference==

{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' 
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | One Wire Component
|-
| colspan="2" | Link to the one wire component to host the bus.&nbsp;
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
| width="90%" | Simulate Comms
|-
| colspan="2" | No - We use the panel GUI to perform the simulation. Yes - We use OneWire comms via an API to communicate with real hardware.&nbsp;
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Panel Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Number Devices
|-
| colspan="2" | Sens the number of sensors we can communicate with during simulation&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Serial 0
|-
| colspan="2" | Serial number for simulated one wire device&nbsp;
|}