USB Libraries Help > USB Device Libraries > USB CDC Device Library > Configuring the Library
MPLAB Harmony USB Stack
Configuring the Library

The application designer must specify the following configuration parameters while using the CDC Function Driver. The configuration macros that implement these parameters must be located in the system_config.h file in the application project and a compiler include path (to point to the folder that contains this file) should be specified.

Macros
 
Name 
Description 
 
This is macro _USB_CDC_H. 
 
This is macro _USB_DEVICE_CDC_CONFIG_TEMPLATE_H_. 
 
This is macro _USB_DEVICE_CDC_H. 
 
Specifies the number of CDC instances. 
 
Specifies the combined queue size of all CDC instances.