source: UsbWattMeter/trunk/lwip-1.4.1/src/include/netif/slipif.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 7 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-chdr
File size: 3.0 KB
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1/*
2 * Copyright (c) 2001, Swedish Institute of Computer Science.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Institute nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * This file is part of the lwIP TCP/IP stack.
30 *
31 * Author: Adam Dunkels <adam@sics.se>
32 *
33 */
34#ifndef __NETIF_SLIPIF_H__
35#define __NETIF_SLIPIF_H__
36
37#include "lwip/opt.h"
38#include "lwip/netif.h"
39
40/** Set this to 1 to start a thread that blocks reading on the serial line
41 * (using sio_read()).
42 */
43#ifndef SLIP_USE_RX_THREAD
44#define SLIP_USE_RX_THREAD !NO_SYS
45#endif
46
47/** Set this to 1 to enable functions to pass in RX bytes from ISR context.
48 * If enabled, slipif_received_byte[s]() process incoming bytes and put assembled
49 * packets on a queue, which is fed into lwIP from slipif_poll().
50 * If disabled, slipif_poll() polls the serila line (using sio_tryread()).
51 */
52#ifndef SLIP_RX_FROM_ISR
53#define SLIP_RX_FROM_ISR 0
54#endif
55
56/** Set this to 1 (default for SLIP_RX_FROM_ISR) to queue incoming packets
57 * received by slipif_received_byte[s]() as long as PBUF_POOL pbufs are available.
58 * If disabled, packets will be dropped if more than one packet is received.
59 */
60#ifndef SLIP_RX_QUEUE
61#define SLIP_RX_QUEUE SLIP_RX_FROM_ISR
62#endif
63
64#ifdef __cplusplus
65extern "C" {
66#endif
67
68err_t slipif_init(struct netif * netif);
69void slipif_poll(struct netif *netif);
70#if SLIP_RX_FROM_ISR
71void slipif_process_rxqueue(struct netif *netif);
72void slipif_received_byte(struct netif *netif, u8_t data);
73void slipif_received_bytes(struct netif *netif, u8_t *data, u8_t len);
74#endif /* SLIP_RX_FROM_ISR */
75
76#ifdef __cplusplus
77}
78#endif
79
80#endif
81
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