F_READSECTOR()

[FreeRTOS File System Media Driver API]

header_file.h
typedef int ( *F_READSECTOR )( F_DRIVER * pxDriver, void * pvBuffer, unsigned long ulSector );
		

The implementation must read a single sector from the physical media.

Parameters:

pxDriver   A pointer to the F_DRIVER structure returned by the call to F_DRIVERINIT() originally used to initialise the drive from which the sector is to be read.

pvBuffer   A pointer to the buffer into which the data read from the sector is to be written.

ulSector   The number of the sector to be read.

Returns:
0   The sector was read from the physical media.

Any other value   The sector number was out of range.

Example usage:

A worked example is provided in the RAM disk driver available from this web site.