Serial Port Driver MDD Functions (Windows CE 5.0)
The following table shows the serial port driver's model device driver (MDD) functions.
| Programming element | Description |
|---|---|
| COM_Close | This function closes the serial device. It is called after an application calls the CloseHandle function. |
| COM_Deinit | This function de-initializes the serial port. |
| COM_Init | This function initializes the serial port. |
| COM_IOControl | This function implements the I/O control routine for the serial port. |
| COM_Open | This function initializes the serial port driver. |
| COM_PowerDown | This function informs the serial port driver that the hardware platform is about to enter suspend mode. |
| COM_PowerUp | This function informs the serial port driver that the hardware platform is resuming from suspend mode. |
| COM_Read | This function enables an application to receive characters from the serial port. |
| COM_Write | This function enables an application to transmit bytes to the serial port. |
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