Silicon Laboratories SiM3U1xx Manual de usuario descargar pdf (Pagina 16)

AN758

16 Rev. 0.1

5.3.8. Macros

#define ENDPOINT_DIR_IN 0x80

#define ENDPOINT_DIR_OUT 0x00

/** Endpoint address of the CDC device-to-host notification IN endpoint. */

#define CDC_NOTIFICATION_EPADDR (ENDPOINT_DIR_IN | 1)

/** Endpoint address of the CDC device-to-host data IN endpoint. */

#define CDC_TX_EPADDR (ENDPOINT_DIR_IN | 2)

/** Endpoint address of the CDC host-to-device data OUT endpoint. */

#define CDC_RX_EPADDR (ENDPOINT_DIR_OUT | 3)

/* Size in bytes of the CDC device-to-host notification IN endpoint*/

#define CDC_NOTIFICATION_EPSIZE 16

/** Size in bytes of the CDC data IN and OUT endpoints. */

#define CDC_TXRX_EPSIZE 64

5.3.9. USB CDC Class Interface Structure

USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =

{

.Config =

{

.ControlInterfaceNumber = 0,

.DataINEndpoint =

{

.Address = CDC_TX_EPADDR,

.Size = CDC_TXRX_EPSIZE,

.Banks = 1,

.DataOUTEndpoint =

{

.Address = CDC_RX_EPADDR,

.Size = CDC_TXRX_EPSIZE,

.Banks = 1,

.NotificationEndpoint =

{

.Address = CDC_NOTIFICATION_EPADDR,

.Size = CDC_NOTIFICATION_EPSIZE,

.Banks = 1,

};

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Silicon Laboratories SiM3U1xx Manual de usuario Pagina 16