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https://github.com/espressif/ESP8266_RTOS_SDK.git
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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* Copyright (c) 2016 Cesanta Software Limited
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* All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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* Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef SLIP_H_
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#define SLIP_H_
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#ifdef ESP8266
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#include <c_types.h>
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#else
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#include <stdint.h>
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#endif
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/* Send the SLIP frame begin/end delimiter. */
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void SLIP_send_frame_delimiter(void);
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/* Send a single character of SLIP frame data, escaped as per SLIP escaping. */
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void SLIP_send_frame_data(char ch);
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/* Send some SLIP frame data, escaped as per SLIP escaping. */
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void SLIP_send_frame_data_buf(const void *buf, uint32_t size);
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/* Send a full SLIP frame, with specified contents. */
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void SLIP_send(const void *pkt, uint32_t size);
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typedef enum {
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SLIP_NO_FRAME,
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SLIP_FRAME,
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SLIP_FRAME_ESCAPING
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} slip_state_t;
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int16_t SLIP_recv_byte(char byte, slip_state_t *state);
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#define SLIP_FINISHED_FRAME -2
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#define SLIP_NO_BYTE -1
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/* Receive a SLIP frame, with specified contents. */
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uint32_t SLIP_recv(void *pkt, uint32_t max_len);
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#endif /* SLIP_H_ */
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