1.1.1. The DCM API

The DCM API consists of a library of functions for creating and manipulating the configuration data necessary to initialize Intel® Dialogic devices and to control their operation.

You can use the DCM API to develop your own customized configuration data management applications. For example, in conjunction with the Intel® Dialogic OEM Installation Tool (DOIT), you can create automated installation and configuration programs that require no user intervention.

The features available through the DCM API include:

• Modifying Configuration Data: you can set configuration parameter values.
• Querying Configuration Data: you can determine what devices can be installed and what configuration parameter values can be set in a given Intel® Dialogic System Software release.
• Working with the System Service: you can start and stop the system service, set its startup mode and check its status.
• Single Board Stop/Start: you can stop and start a single DM3 PCI (H.100) or CompactPCI (cPCI) (H.110) board in the system without affecting system operation. In the case of cPCI boards, this allows you to perform a Hot Swap.
• Clock Master Fallback List: you can set the clock master fallback list. The clock master fallback list defines master capable devices in a preferred order. If the primary clock master should fail, this list is consulted by the system and a new primary clock master is assigned.
• Operating System and System Software Version Information: you can determine which operating system and system software versions are installed on the host computer.
• Adding Third Party Devices: you can add one or more third party devices to the Intel® Dialogic System. Third party devices can also be configured as the system's primary clock master or secondary clock master.

Note: You can add third party devices to the Intel® Dialogic system, but third party devices must be configured according to the vendor's documentation.

• Reserve TDM Bus Resources for Third Party Devices: you can reserve TDM bus time slots for exclusive use by third party devices. This allows third party devices to share the TDM bus with Intel® Dialogic boards.

Note: You can add and modify configuration data only for those Intel® Dialogic hardware products supported by the software release of which the DCM API is a component. For more information about this limitation, see Section 2.1, The DCM API Architecture.

Full instructions on using the DCM API are contained in Chapter 2, Using the DCM API.

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