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This function initializes the serial device.
HANDLE COM_Init( ULONG Identifier );
Parameters
- Identifier
- Identifies the port. If a device driver is loaded by
Device.exe, this value is an
LPWSTRthat points to a string containing the registry key
within
HKEY_LOCAL_MACHINE\Drivers\Active\. If the device driver is
loaded by a call to the
RegisterDevicefunction, this value is the
dwInfovalue passed into the call to
RegisterDevice.
Return Values
Returns a pointer to the serial head, which then is passed as a device handle into the entry points COM_Openand COM_Deinit.
Remarks
This function is called at device load time in order to perform any initialization. Typically, this function does as little as possible, postponing memory allocation and device power on until an application calls the driver's XXX_Openfunction.
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 1.0 and later Mdd.c Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
Last updated on Tuesday, July 13, 2004