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2025-10-22T14:13:10Z

Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix Ltd |- | width="20%" style="color:gray;" | Version | 1.0 |- | width="20%" style="color:gray..."

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{| style="width:50%"
|-
| width="20%" style="color:gray;" | Author
| Matrix Ltd
|-
| width="20%" style="color:gray;" | Version
| 1.0
|-
| width="20%" style="color:gray;" | Category
| Calculation
|}

==CRC component==
Proforms CRC error checking using sum or division methods.

==Version information==

Library Version, Component Version, Date, Author, Info
1, 1.0, 30-09-24, MW, Component created

==Detailed description==

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

==Examples==

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

==Macro reference==

===CRC16===
{| 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;" | '''CRC16'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Actual Data length is only required if using Final XOR Value greater than 0. If not then Data length can be 0 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===CRC16_Array===
{| 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;" | '''CRC16_Array'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as an unsigned integer 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Max data lenght (2 - 20) 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===CRC8===
{| 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;" | '''CRC8'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Actual Data length is only required if using Final XOR Value greater than 0. If not then Data length can be 0 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===CRC8_Array===
{| 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;" | '''CRC8_Array'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Max data length (2 - 20) 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ClearChecksumValue===
{| 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;" | '''ClearChecksumValue'''
|-
| colspan="2" |  
|-
|-
| 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''
|}

===compareChecksum===
{| 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;" | '''compareChecksum'''
|-
| colspan="2" | Compare generated checksum uisng CRC8 or CRC16 macros. 0 = match, 1 = don't match 
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Checksum
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-bool-icon.png]] - BOOL
| 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%" | CRC Type
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | CRC Size
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Poly
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Initial Value
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Final XOR Value
|-
| colspan="2" |  
|}

==Component Source Code==

Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_CRC.fcfx FC_Comp_Source_CRC.fcfx]

Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_CRC.fcfx FC_Comp_Source_CRC.fcfx]

Component: CRC (Calculation) - Revision history

Wiki bot: Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix Ltd |- | width="20%" style="color:gray;" | Version | 1.0 |- | width="20%" style="color:gray..."