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Filehandling Nodes

Use these nodes to access the file system of your microcontroller.

Proc Nodes​

file open​

opens the file and gives the file pointer for file operations.

Inputs

  • File Name : Specify the name of the file to open
  • File Open Type : Select the mode in which the file should be opened

Outputs

  • File Pointer : pointer to the file

file close​

closes the file.

Inputs

  • File Pointer : Provide the file pointer

file rename​

renames the file.

Inputs

  • File Name : Specify the name of the file to rename
  • New File Name : Specify the new name for the file

file remove​

remove/delete the file from the storage.

Inputs

  • File Name : Specify the name of the file to remove

file write​

write the date inside the file.

Inputs

  • File Pointer : Provide the file pointer
  • Write Data : Provide the data to write to the file
  • Flush Data : Whether to flush the data as it is written
  • Update Position : Whether to update the file pointer position after writing data
  • Position : Select the position of the file pointer after the write is done
  • Offset : Specify the offset value for the file pointer

file read​

read the data from the file.

Inputs

  • File Pointer : Provide the file pointer
  • Read Type : Select the file pointer position to be read from
  • No of Read Bytes : Specify the number of bytes to be read
  • Update Position : Whether to update the position of the file pointer after reading the data
  • Position : Select the position of the file pointer after the read is done
  • Offset : Specify the offset value for the file pointer

Outputs

  • Read Data : Data

file get cursor position​

gives the position of the cursor in the file.

Inputs

  • File Pointer : Provide the file pointer

Outputs

  • Position : Position of the file cursor

file set position​

sets the cursor at given positon in the file.

Inputs

  • File Pointer : Provide the file pointer
  • Position : Select the position of the file cursor
  • Offset : Specify the offset value for the file pointer