Jump to content

Component: File (RPI) (File): Difference between revisions

From Flowcode Help
← Older edit

SteveT (talk | contribs)

4 user groups
6,422 edits
No edit summary
m Text replacement - "style="background-color:#EAE1EA;"" to "class="mtx-class-propfolder""
 
(13 intermediate revisions by 2 users not shown)
Line 16: Line 16:


==Component Source Code==
==Component Source Code==
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_File_RPI.fcfx FC_Comp_Source_File_RPI.fcfx]


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


==Detailed description==
==Detailed description==




Line 33: Line 41:




''<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;" | '''ReadStringFromFile'''
|-
| colspan="2" | Reads a string from the currently open file. Auto increments the position in the file. An empty string signifies the end of the file has been reached.&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | NumBytes
|-
| colspan="2" | Maximum number of bytes to attempt to read&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | EndChar
|-
| colspan="2" | Ends the string if the value specified is found, default is 0&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;" | '''MoveToNextFileSector'''
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ForceNextSector
|-
| colspan="2" | &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''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
''<span style="color:red;">No additional examples</span>''
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WriteByteToBuffer'''
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Address
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| 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''
|}




{| 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;" | '''AppendByteToFile'''
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| colspan="2" | &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''
|}




{| 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;" | '''CloseFile'''
|-
| 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''
|}




{| 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;" | '''ReadByteFromFile'''
|-
| colspan="2" | Reads a byte from the currently open file. Auto increments the position in the file. A return value of 0 may signify the end of the file has been reached (depending on the contents of the file).&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''
|}




{| 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;" | '''ReadByteFromIndex'''
|-
| colspan="2" | Reads a byte of data from the local sector buffer. Return = Data byte read from the local sector buffer. &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u32-icon.png]] - ULONG
| width="90%" | Address
|-
| colspan="2" | &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''
|}




{| 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;" | '''DeleteFile'''
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Filename
|-
| colspan="2" | &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''
|}


==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===AppendByteToFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateFile'''
| width="90%" class="mtx-class-macrohead" | '''AppendByteToFile'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Filename
| width="90%" | Data
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 199: Line 82:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===AppendStringToFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''OpenFolder'''
| width="90%" class="mtx-class-macrohead" | '''AppendStringToFile'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 208: Line 92:
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Folder_Name
| width="90%" | Data_String
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 217: Line 101:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===CloseFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadFileLength'''
| width="90%" class="mtx-class-macrohead" | '''CloseFile'''
|-
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
| 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''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===CreateFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''OpenFile'''
| width="90%" class="mtx-class-macrohead" | '''CreateFile'''
|-
|-
| colspan="2" | Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success.&nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
Line 241: Line 127:
| width="90%" | Filename
| width="90%" | Filename
|-
|-
| colspan="2" | 8.3 filename of the file we are trying to open e.g. "file.txt"&nbsp;
| colspan="2" | &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''
|}
 
 
{| 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;" | '''WriteFileSector'''
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
Line 261: Line 134:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===DeleteFile===
|-
{| class="mtx-class-macrotable wikitable"
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetFileIndex'''
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | File_Index
|-
| colspan="2" | Range: 0 to 4&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="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AppendStringToFile'''
| width="90%" class="mtx-class-macrohead" | '''DeleteFile'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 288: Line 144:
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Data_String
| width="90%" | Filename
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 297: Line 153:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===MoveToNextFileSector===
|-
{| class="mtx-class-macrotable wikitable"
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadFileSize'''
|-
| colspan="2" | Reads the entire size of the current file in bytes.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u32-icon.png]] - ULONG
| 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-10-icon.png]]
| width="90%" | Root Folder
|-
| colspan="2" | Root location on the RPI where the files will be stored&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
| width="90%" | File Count
|-
| colspan="2" | Number of simultaneous files we want to access.&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-20-icon.png]]
| width="90%" | Sim Root Folder
|-
| colspan="2" | &nbsp;
|}==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;" | '''ReadStringFromFile'''
|-
| colspan="2" | Reads a string from the currently open file. Auto increments the position in the file. An empty string signifies the end of the file has been reached.&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | NumBytes
|-
| colspan="2" | Maximum number of bytes to attempt to read&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | EndChar
|-
| colspan="2" | Ends the string if the value specified is found, default is 0&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="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MoveToNextFileSector'''
| width="90%" class="mtx-class-macrohead" | '''MoveToNextFileSector'''
|-
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
| colspan="2" | Not currently implemented on the RPI&nbsp;
Line 381: Line 172:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===OpenFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WriteByteToBuffer'''
| width="90%" class="mtx-class-macrohead" | '''OpenFile'''
|-
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
| colspan="2" | Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success.&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Address
| width="90%" | Filename
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | 8.3 filename of the file we are trying to open e.g. "file.txt"&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
|-
| 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''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===OpenFolder===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AppendByteToFile'''
| width="90%" class="mtx-class-macrohead" | '''OpenFolder'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Data
| width="90%" | Folder_Name
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
Line 422: Line 210:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReadByteFromFile===
|-
{| class="mtx-class-macrotable wikitable"
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CloseFile'''
|-
| 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''
|}
 
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadByteFromFile'''
| width="90%" class="mtx-class-macrohead" | '''ReadByteFromFile'''
|-
|-
| colspan="2" | Reads a byte from the currently open file. Auto increments the position in the file. A return value of 0 may signify the end of the file has been reached (depending on the contents of the file).&nbsp;
| colspan="2" | Reads a byte from the currently open file. Auto increments the position in the file. A return value of 0 may signify the end of the file has been reached (depending on the contents of the file).&nbsp;
Line 448: Line 224:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReadByteFromIndex===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadByteFromIndex'''
| width="90%" class="mtx-class-macrohead" | '''ReadByteFromIndex'''
|-
|-
| colspan="2" | Reads a byte of data from the local sector buffer. Return = Data byte read from the local sector buffer. &nbsp;
| colspan="2" | Reads a byte of data from the local sector buffer. Return = Data byte read from the local sector buffer. &nbsp;
Line 466: Line 243:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReadFileLength===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DeleteFile'''
| width="90%" class="mtx-class-macrohead" | '''ReadFileLength'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
| width="90%" | Filename
|-
| colspan="2" | &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''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReadFileSize===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateFile'''
| width="90%" class="mtx-class-macrohead" | '''ReadFileSize'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Reads the entire size of the current file in bytes.&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u32-icon.png]] - ULONG
| width="90%" | Filename
|-
| colspan="2" | &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''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReadStringFromFile===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''OpenFolder'''
| width="90%" class="mtx-class-macrohead" | '''ReadStringFromFile'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Reads a string from the currently open file. Auto increments the position in the file. An empty string signifies the end of the file has been reached.&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Folder_Name
| width="90%" | NumBytes
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Maximum number of bytes to attempt to read&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" | EndChar
|}
 
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| colspan="2" | Ends the string if the value specified is found, default is 0&nbsp;
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadFileLength'''
|-
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SetFileIndex===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''OpenFile'''
| width="90%" class="mtx-class-macrohead" | '''SetFileIndex'''
|-
|-
| colspan="2" | Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success.&nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Filename
| width="90%" | File_Index
|-
|-
| colspan="2" | 8.3 filename of the file we are trying to open e.g. "file.txt"&nbsp;
| colspan="2" | Range: 0 to 4&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| 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''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===WriteByteToBuffer===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WriteFileSector'''
| width="90%" class="mtx-class-macrohead" | '''WriteByteToBuffer'''
|-
|-
| colspan="2" | Not currently implemented on the RPI&nbsp;
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" | Address
|}
 
 
{| 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;" | '''SetFileIndex'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | File_Index
| width="90%" | Data
|-
|-
| colspan="2" | Range: 0 to 4&nbsp;
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
Line 582: Line 338:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===WriteFileSector===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AppendStringToFile'''
| width="90%" class="mtx-class-macrohead" | '''WriteFileSector'''
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Not currently implemented on the RPI&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Data_String
|-
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| 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''
| 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;" | '''ReadFileSize'''
|-
| colspan="2" | Reads the entire size of the current file in bytes.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u32-icon.png]] - ULONG
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




==Property reference==
==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
| width="90%" class="mtx-class-macrohead" | '''Properties'''  
|-
|-
|-
|-
Line 633: Line 370:
| colspan="2" | Number of simultaneous files we want to access.&nbsp;
| colspan="2" | Number of simultaneous files we want to access.&nbsp;
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
| width="90%" class="mtx-class-propfolder" | Simulation
|-
|-
|-
|-

Latest revision as of 14:37, 13 July 2026

Author Matrix Ltd.
Version 2.7
Category File


File (RPI) component

File component allowing access to read and write files on the Raspberry Pi file system.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_File_RPI.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_File_RPI.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples







Macro reference

AppendByteToFile

AppendByteToFile
 
- BYTE Data
 
- BYTE Return


AppendStringToFile

AppendStringToFile
 
- STRING Data_String
 
- BYTE Return


CloseFile

CloseFile
 
- VOID Return


CreateFile

CreateFile
 
- STRING Filename
 
- BYTE Return


DeleteFile

DeleteFile
 
- STRING Filename
 
- BYTE Return


MoveToNextFileSector

MoveToNextFileSector
Not currently implemented on the RPI 
- BYTE ForceNextSector
 
- BYTE Return


OpenFile

OpenFile
Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success. 
- STRING Filename
8.3 filename of the file we are trying to open e.g. "file.txt" 
- BYTE Return


OpenFolder

OpenFolder
 
- STRING Folder_Name
 
- BYTE Return


ReadByteFromFile

ReadByteFromFile
Reads a byte from the currently open file. Auto increments the position in the file. A return value of 0 may signify the end of the file has been reached (depending on the contents of the file). 
- BYTE Return


ReadByteFromIndex

ReadByteFromIndex
Reads a byte of data from the local sector buffer. Return = Data byte read from the local sector buffer.  
- ULONG Address
 
- BYTE Return


ReadFileLength

ReadFileLength
Not currently implemented on the RPI 
- INT Return


ReadFileSize

ReadFileSize
Reads the entire size of the current file in bytes. 
- ULONG Return


ReadStringFromFile

ReadStringFromFile
Reads a string from the currently open file. Auto increments the position in the file. An empty string signifies the end of the file has been reached. 
- UINT NumBytes
Maximum number of bytes to attempt to read 
- BYTE EndChar
Ends the string if the value specified is found, default is 0 
- STRING Return


SetFileIndex

SetFileIndex
 
- BYTE File_Index
Range: 0 to 4 
- VOID Return


WriteByteToBuffer

WriteByteToBuffer
Not currently implemented on the RPI 
- UINT Address
 
- BYTE Data
 
- VOID Return


WriteFileSector

WriteFileSector
Not currently implemented on the RPI 
- BYTE Return


Property reference

Properties
Root Folder
Root location on the RPI where the files will be stored 
File Count
Number of simultaneous files we want to access. 
Simulation
Sim Root Folder
 
Retrieved from "https://www.flowcode.co.uk/wiki/index.php?title=Component:_File_(RPI)_(File)&oldid=48119"