static size_t rx_size, tx_size;
#define EP_BUFFER_SIZE _MIN(CONFIG_USB_BUFSIZE, USB_XFER_MAX_SIZE)
STATIC_ASSERT(!(EP_BUFFER_SIZE & 0x03));
static uint8_t ep_buffer[EP_MAX_NUM][EP_BUFFER_SIZE] ALIGNED(4);
static size_t rx_size, tx_size;
#define EP_BUFFER_SIZE _MIN(CONFIG_USB_BUFSIZE, USB_XFER_MAX_SIZE)
STATIC_ASSERT(!(EP_BUFFER_SIZE & 0x03));
static uint8_t ep_buffer[EP_MAX_NUM][EP_BUFFER_SIZE] ALIGNED(4);