esp-idf/components/usb/test_apps/common/dev_isoc.c

28 wiersze
830 B
C

/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usb/usb_types_ch9.h"
#include "usb/usb_types_stack.h"
#include "dev_isoc.h"
// ------------------------------- Descriptors ---------------------------------
static const usb_ep_desc_t isoc_out_ep_desc = {
.bLength = sizeof(usb_ep_desc_t),
.bDescriptorType = USB_B_DESCRIPTOR_TYPE_ENDPOINT,
.bEndpointAddress = 0x02, // EP 2 OUT
.bmAttributes = USB_BM_ATTRIBUTES_XFER_ISOC,
.wMaxPacketSize = 512,
.bInterval = 1, // Isoc interval is (2 ^ (bInterval - 1)) which means an interval of 1ms
};
// -------------------------------- Functions ----------------------------------
const usb_ep_desc_t *dev_isoc_get_out_ep_desc(usb_speed_t speed)
{
return &isoc_out_ep_desc;
}