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AtaPortReadPortUchar function (irb.h)

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The AtaPortReadPortUchar routine reads an unsigned byte value from the HBA.

Note  The ATA port driver and ATA miniport driver models may be altered or unavailable in the future. Instead, we recommend using the Storport driver and Storport miniport driver models.
 

Syntax

UCHAR AtaPortReadPortUchar(
  [in] PUCHAR Port
);

Parameters

[in] Port

A pointer to the I/O port. The address value that is assigned to this parameter must be within the range of mapped I/O space addresses that are obtained by a call to AtaPortGetDeviceBase.

Return value

AtaPortReadPortUchar returns a UCHAR value from the HBA's I/O port.

Requirements

Requirement Value
Target Platform Desktop
Header irb.h (include Ata.h, Irb.h)
Library Ataport.lib; Pciidex.lib

See also

AtaPortGetDeviceBase

AtaPortReadPortUlong

AtaPortReadPortUshort