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.
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