Title: +038=360.000-OU045T_02-PCD2.m4160 PLS SBC - File system Manual.pdf
3. write data from the Saia PCD® context (e.g. text, DB, Register, Flags, ClockB-1etc.), to the file4. read data to the Saia PCD® context (e.g. text, DB, Register, Flags, Clock etc.), from the file4. read data to the Saia PCD® context (e.g. text, DB, Register, Flags, Clock etc.), from the file5. close the fileAdditionally it is possible to delete a file, a directory (and all files contained in it) or inquire its size.By opening or creating a file you receive an identifier. The identifier is hooked with two pointers:a read position pointera write position pointerWrite PointerIDEOFRead PointerThe pointers are modified by calling read, write or the seek function.When 4 bytes of data are read and one byte is written at the end of the file, the point- ers will have following position:Write PointerIDEOFRead PointerThe seek function modifies the read/write pointers relative to current pointer position.