| /* |
| * Copyright (c) 2001, Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the Institute nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef __NETIF_SLIPIF_H__ |
| #define __NETIF_SLIPIF_H__ |
| |
| #include "lwip/opt.h" |
| #include "lwip/netif.h" |
| |
| /** Set this to 1 to start a thread that blocks reading on the serial line |
| * (using sio_read()). |
| */ |
| #ifndef SLIP_USE_RX_THREAD |
| #define SLIP_USE_RX_THREAD !NO_SYS |
| #endif |
| |
| /** Set this to 1 to enable functions to pass in RX bytes from ISR context. |
| * If enabled, slipif_received_byte[s]() process incoming bytes and put assembled |
| * packets on a queue, which is fed into lwIP from slipif_poll(). |
| * If disabled, slipif_poll() polls the serila line (using sio_tryread()). |
| */ |
| #ifndef SLIP_RX_FROM_ISR |
| #define SLIP_RX_FROM_ISR 0 |
| #endif |
| |
| /** Set this to 1 (default for SLIP_RX_FROM_ISR) to queue incoming packets |
| * received by slipif_received_byte[s]() as long as PBUF_POOL pbufs are available. |
| * If disabled, packets will be dropped if more than one packet is received. |
| */ |
| #ifndef SLIP_RX_QUEUE |
| #define SLIP_RX_QUEUE SLIP_RX_FROM_ISR |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| err_t slipif_init(struct netif * netif); |
| void slipif_poll(struct netif *netif); |
| #if SLIP_RX_FROM_ISR |
| void slipif_process_rxqueue(struct netif *netif); |
| void slipif_received_byte(struct netif *netif, u8_t data); |
| void slipif_received_bytes(struct netif *netif, u8_t *data, u8_t len); |
| #endif /* SLIP_RX_FROM_ISR */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| |
