1 /*
2  * Copyright 2016 Google Inc. All Rights Reserved.
3  * Author: [email protected] (Gurjant Kalsi)
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files
7  * (the "Software"), to deal in the Software without restriction,
8  * including without limitation the rights to use, copy, modify, merge,
9  * publish, distribute, sublicense, and/or sell copies of the Software,
10  * and to permit persons to whom the Software is furnished to do so,
11  * subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #pragma once
26 
27 #include <sys/types.h>
28 
29 status_t cdcserial_init(void);
30 
31 void cdcserial_create_channel(int data_ep_addr, int ctrl_ep_addr);
32 
33 // Write len bytes to the CDC Serial Virtual Com Port.
34 status_t cdcserial_write(size_t len, uint8_t *buf);
35 
36 // Read at most len bytes from the CDC Serial virtual Com Port. Returns the
37 // actual number of bytes read.
38 ssize_t cdcserial_read(size_t len, uint8_t *buf);