SAM USB Dual Role driver header file.
Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
#include "compiler.h"
#include "preprocessor.h"
#include "conf_board.h"
#include "board.h"
#include "extint.h"
#include "port.h"
Macros | |
USB ID pin management | |
The ID pin come from the USB connector (A and B receptable) and allows to select the USB mode between host or device. The ID pin can be managed through EIC pin. This feature is optional, and it is enabled if USB_ID_PIN is defined in board.h and CONF_BOARD_USB_ID_DETECT defined in conf_board.h. | |
#define | USB_ID_DETECT (defined(CONF_BOARD_USB_ID_DETECT)) |
#define | USB_ID_EIC (defined(USB_ID_PIN) && USB_ID_DETECT) |
USB Vbus management | |
The VBus line can be monitored through a EIC pin and a basic resistor voltage divider. This feature is optional, and it is enabled if USB_VBUS_PIN is defined in board.h and CONF_BOARD_USB_VBUS_DETECT defined in conf_board.h. | |
#define | USB_VBUS_DETECT (defined(CONF_BOARD_USB_VBUS_DETECT)) |
#define | USB_VBUS_EIC (defined(USB_VBUS_PIN) && USB_VBUS_DETECT) |
Functions | |
void | usb_dual_disable (void) |
Deinitialize the dual role driver. More... | |
bool | usb_dual_enable (void) |
Initialize the USB peripheral and set right role according to ID pin. More... | |