Serial Controller Driver Reference
Overview of the Serial Controller Driver Reference technology.
To develop Serial Controller Driver Reference, you need these headers:
For programming guidance for this technology, see:
Functions
| ComDBClaimNextFreePort ComDBClaimNextFreePort returns the lowest COM port number that is not already in use. |
| ComDBClaimPort ComDBClaimPort logs an unused COM port number as "in use" in the COM port database. |
| ComDBClose ComDBClose closes a handle to the COM port database. |
| ComDBGetCurrentPortUsage ComDBGetCurrentPortUsage returns information about the COM port numbers that are currently logged as "in use" in the COM port database. |
| ComDBOpen ComDBOpen returns a handle to the COM port database. |
| ComDBReleasePort ComDBReleasePort releases a COM port number in the COM port database. |
| ComDBResizeDatabase ComDBResizeDatabase resizes the COM port database. |
| SerialDisplayAdvancedSettings SerialDisplayAdvancedSettings displays the system-supplied advanced settings dialog box for a specified COM port device. |
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