Callback Status Flags#

Callback Status Flags.

These constant values are returned by USBX_getCallbackSource(). The return value is a mask and may contain the logical OR of any combination of status flags. Each flag maps to a call-back event.

Macros#

#define

USBX_RESET 0x00000001

USB Reset Interrupt has occurred.

#define

USBX_TX_COMPLETE 0x00000002

Transmit Complete Interrupt has occurred.

#define

USBX_RX_COMPLETE 0x00000004

Receive Complete Interrupt has occurred.

#define

USBX_FIFO_PURGE 0x00000008

Receive and Transmit FIFO's were purged.

#define

USBX_DEV_OPEN 0x00000010

Device Instance Opened on host side.

#define

USBX_DEV_CLOSE 0x00000020

Device Instance Closed on host side.

#define

USBX_DEV_CONFIGURED 0x00000040

Device has entered configured state.

#define

USBX_DEV_SUSPEND 0x00000080

USB suspend signaling present on bus.

#define

USBX_RX_OVERRUN 0x00000100

Data received with no place to put it.