Jump to content

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

From Flowcode Help
← Older edit

SteveT (talk | contribs)

4 user groups
6,393 edits
m Text replacement - "width="10%" align="center" style="background-color:#D8C9D8;" align="center"" to "width="10%" align="center" class="mtx-class-macrohead""
m Text replacement - "style="background-color:#EAE1EA;"" to "class="mtx-class-propfolder""
 
(3 intermediate revisions by the same user not shown)
Line 67: Line 67:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''AppendByteToFile'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 86: Line 86:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''AppendStringToFile'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 105: Line 105:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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;" | '''CloseFile'''
| width="90%" class="mtx-class-macrohead" | '''CloseFile'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 119: Line 119:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''CreateFile'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 138: Line 138:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''DeleteFile'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 157: Line 157:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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 
| colspan="2" | Not currently implemented on the RPI 
Line 176: Line 176:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''OpenFile'''
|-
|-
| colspan="2" | Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success. 
| colspan="2" | Searches for and opens a file for reading or writing from within the current directory on the disk. Returns 0 for success. 
Line 195: Line 195:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''OpenFolder'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 214: Line 214:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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). 
| 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). 
Line 228: Line 228:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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.  
| colspan="2" | Reads a byte of data from the local sector buffer. Return = Data byte read from the local sector buffer.  
Line 247: Line 247:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''ReadFileLength'''
|-
|-
| colspan="2" | Not currently implemented on the RPI 
| colspan="2" | Not currently implemented on the RPI 
Line 261: Line 261:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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;" | '''ReadFileSize'''
| width="90%" class="mtx-class-macrohead" | '''ReadFileSize'''
|-
|-
| colspan="2" | Reads the entire size of the current file in bytes. 
| colspan="2" | Reads the entire size of the current file in bytes. 
Line 275: Line 275:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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;" | '''ReadStringFromFile'''
| width="90%" class="mtx-class-macrohead" | '''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. 
| 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. 
Line 299: Line 299:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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;" | '''SetFileIndex'''
| width="90%" class="mtx-class-macrohead" | '''SetFileIndex'''
|-
|-
| colspan="2" |  
| colspan="2" |  
Line 318: Line 318:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''WriteByteToBuffer'''
|-
|-
| colspan="2" | Not currently implemented on the RPI 
| colspan="2" | Not currently implemented on the RPI 
Line 342: Line 342:
|-
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[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" | '''WriteFileSector'''
|-
|-
| colspan="2" | Not currently implemented on the RPI 
| colspan="2" | Not currently implemented on the RPI 
Line 356: Line 356:
{| class="mtx-class-macrotable wikitable"
{| 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 370: Line 370:
| colspan="2" | Number of simultaneous files we want to access. 
| colspan="2" | Number of simultaneous files we want to access. 
|-
|-
| 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"