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◆ WDC_PciWriteCfg32()

DWORD DLLCALLCONV WDC_PciWriteCfg32 ( _In_ WDC_DEVICE_HANDLE  hDev,
_In_ DWORD  dwOffset,
_In_ UINT32  dwVal 
)

Writes 4 bytes (32 bits) to a specified offset in a PCI device's configuration space or a PCI Express device's extended configuration space.

Parameters
[in]hDevHandle to a WDC PCI device structure, returned by WDC_PciDeviceOpen()
[in]dwOffsetThe offset from the beginning of the PCI configuration space to write to.
[in]dwValThe data to write to the PCI configuration space
Returns
Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise