#pragma once

extern USB_OTG_GlobalTypeDef *USBx;

#define USBx_DEVICE     ((USB_OTG_DeviceTypeDef *)((uint32_t)USBx + USB_OTG_DEVICE_BASE))
#define USBx_INEP(i)    ((USB_OTG_INEndpointTypeDef *)((uint32_t)USBx + USB_OTG_IN_ENDPOINT_BASE + ((i) * USB_OTG_EP_REG_SIZE)))
#define USBx_OUTEP(i)   ((USB_OTG_OUTEndpointTypeDef *)((uint32_t)USBx + USB_OTG_OUT_ENDPOINT_BASE + ((i) * USB_OTG_EP_REG_SIZE)))
#define USBx_DFIFO(i)   *(__IO uint32_t *)((uint32_t)USBx + USB_OTG_FIFO_BASE + ((i) * USB_OTG_FIFO_SIZE))
#define USBx_PCGCCTL    *(__IO uint32_t *)((uint32_t)USBx + USB_OTG_PCGCCTL_BASE)

#define USBD_FS_TRDT_VALUE        6UL
#define USB_OTG_SPEED_FULL        3U
#define DCFG_FRAME_INTERVAL_80    0U

void usb_irqhandler(void);
void usb_init(void);