Download User Manual - Brush Electronics

Brush
Electronics
2 Brush Court, Canning Vale, WA 6155, Australia Tel: +61 894676358 [email protected]
ABN 50087977811
f_write()
Prototype:
Syntax
Parameters
Returns
Function
Example
FRESULT f_write (FIL *fp, void *buff, WORD btw, WORD *bw);
result = f_write(&fdata,buffer,btw,&bw);
fp is a pointer to a FIL file control block (handle)
buff is a pointer to a buffer for the data being written
btw is the number of bytes to write to the file from the buffer
bw is the actual number of bytes written. A bw value less than btw is
an indication of an error.
FRESULT return code
Writes the specified amount of data from the buffer to the file
FIL fdata;
BYTE buff[64];
BYTE bw;
FRESULT result;
..
result = f_write(&fdata, buff, 64, &bw);
if (result)
printf(“File write error\r\n”);
© Copyright 2004-2012 Andrew Smallridge
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