View source for Component: CRC (Calculation)

{| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''CRC16'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" | &nbsp;
|-
| 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&nbsp;
|-
| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''CRC16_Array'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as an unsigned integer&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Max data lenght (2 - 20)&nbsp;
|-
| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''CRC8'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" | &nbsp;
|-
| 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&nbsp;
|-
| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''CRC8_Array'''
|-
| colspan="2" | Enter databytes and data count. The checksum will be retuened as a byte &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | DataLength
|-
| colspan="2" | Max data length (2 - 20)&nbsp;
|-
| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''ClearChecksumValue'''
|-
| colspan="2" | &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''
|}


===compareChecksum===
{| class="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''compareChecksum'''
|-
| colspan="2" | Compare generated checksum uisng CRC8 or CRC16  macros. 0 = match, 1 = don't match&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Checksum
|-
| colspan="2" | &nbsp;
|-
| 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="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" class="mtx-class-macrohead" | '''Properties''' 
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | CRC Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | CRC Size
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Poly
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Initial Value
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | Final XOR Value
|-
| colspan="2" | &nbsp;
|}

==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]