kopia lustrzana https://github.com/espressif/esp-idf
56 wiersze
1.6 KiB
C
56 wiersze
1.6 KiB
C
// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <sys/queue.h>
|
|
#include "usb.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
uint8_t *data_buffer;
|
|
size_t data_buffer_size;
|
|
int num_bytes;
|
|
int actual_num_bytes;
|
|
uint32_t flags;
|
|
usb_transfer_status_t status;
|
|
uint32_t timeout;
|
|
usb_transfer_cb_t callback;
|
|
void *context;
|
|
int num_isoc_packets;
|
|
usb_isoc_packet_desc_t isoc_packet_desc[0];
|
|
} usb_transfer_dummy_t;
|
|
_Static_assert(sizeof(usb_transfer_dummy_t) == sizeof(usb_transfer_t), "usb_transfer_dummy_t does not match usb_transfer_t");
|
|
|
|
struct urb_obj{
|
|
TAILQ_ENTRY(urb_obj) tailq_entry;
|
|
//HCD context pointer and variables. Must be initialized to NULL and 0 respectively
|
|
void *hcd_ptr;
|
|
uint32_t hcd_var;
|
|
//Host Driver layer will add its fields here.
|
|
//Public transfer structure. Must be last due to variable length array
|
|
usb_transfer_t transfer;
|
|
};
|
|
|
|
typedef struct urb_obj urb_t;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|