Usbd_composite_cdccdc [Common-used USB Descriptors]

Collaboration diagram for Usbd_composite_cdccdc:

Data Structures
struct	DualCdcdSerialDriver
struct	_DualCdcDriverConfigurationDescriptors
Modules
	Usbd_composite_cdccdc_desc
Defines
#define	DUALCDCDDriverDescriptors_PRODUCTID   USBD_PID_CDCCDC
	Device product ID.
#define	DUALCDCDDriverDescriptors_VENDORID   USBD_VID_ATMEL
	Device vendor ID (Atmel).
#define	DUALCDCDDriverDescriptors_RELEASE   0x0003
	Device release number.
#define	MIN(a, b)   ((a < b) ? a : b)
	Returns the minimum between two values.
#define	NUM_PORTS   2
#define	NUM_INTERFACES   ((DUALCDCDDriverDescriptors_NUMINTERFACE+3)&0xFC)
Functions
void	DUALCDCDDriver_Initialize (const USBDDriverDescriptors *pDescriptors)
void	DUALCDCDDriver_ConfigurationChangeHandler (uint8_t cfgnum)
void	DUALCDCDDriver_RequestHandler (const USBGenericRequest *request)
CDCDSerialPort *	DUALCDCDDriver_GetSerialPort (uint32_t port)
struct _DualCdcDriverConfigurationDescriptors	__attribute__ ((__packed__)) DualCdcDriverConfigurationDescriptors
Variables
const USBDDriverDescriptors	dualcdcdDriverDescriptors
	List of descriptors required by an USB audio speaker device driver.
DualCdcdSerialDriver	dualcdcdDriver

---

Define Documentation

#define NUM_INTERFACES   ((DUALCDCDDriverDescriptors_NUMINTERFACE+3)&0xFC)

Interface setting spaces (4 byte aligned)

Definition at line 56 of file DUALCDCDDriver.c.

#define NUM_PORTS   2

Number of CDC serial ports

Definition at line 53 of file DUALCDCDDriver.c.

---

Function Documentation

void DUALCDCDDriver_ConfigurationChangeHandler

(

uint8_t

cfgnum

)

Invoked whenever the active configuration of device is changed by the host.

Parameters:

cfgnum

Configuration number.

CDCDSerialPort * DUALCDCDDriver_GetSerialPort

(

uint32_t

port

)

Return CDCDSerialPort for serial port operations.

Parameters:

port

Port number.

void DUALCDCDDriver_Initialize

(

const USBDDriverDescriptors *

pDescriptors

)

Initializes the USB device composite device driver.

Parameters:

pDescriptors

Pointer to Descriptors list for CDC Serial Device.

void DUALCDCDDriver_RequestHandler

(

const USBGenericRequest *

request

)

Handles composite-specific USB requests sent by the host, and forwards standard ones to the USB device driver.

Parameters:

request

Pointer to a USBGenericRequest instance.

---

Variable Documentation

DualCdcdSerialDriver dualcdcdDriver

Dual CDC Serial device driver instance

Definition at line 73 of file DUALCDCDDriver.c.

const USBDDriverDescriptors dualcdcdDriverDescriptors

Initial value:

 {

    &deviceDescriptor,
    (const USBConfigurationDescriptor *) &configurationDescriptorsFS,
    &qualifierDescriptor,
    0, 0, 0,
    &qualifierDescriptor, 0,
    stringDescriptors,
    4 
}

List of descriptors required by an USB audio speaker device driver.

Definition at line 383 of file USBDDriverDescriptors.c.