slipdev_internal.h

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/*
 * Copyright (C) 2018 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef SLIPDEV_INTERNAL_H
#define SLIPDEV_INTERNAL_H
 
#include <stddef.h>
#include <stdint.h>
 
#include "isrpipe.h"
#include "periph/uart.h"
#include "mutex.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SLIPDEV_END         (0xc0U)
#define SLIPDEV_ESC         (0xdbU)
#define SLIPDEV_END_ESC     (0xdcU)
#define SLIPDEV_ESC_ESC     (0xddU)
 
#define SLIPDEV_STDIO_START (0x0aU)
 
extern isrpipe_t slipdev_stdio_isrpipe;
 
extern mutex_t slipdev_mutex;
 
static inline void slipdev_write_byte(uart_t uart, uint8_t byte)
{
    uart_write(uart, &byte, 1U);
}
 
void slipdev_write_bytes(uart_t uart, const uint8_t *data, size_t len);
 
unsigned slipdev_unstuff_readbyte(uint8_t *buf, uint8_t byte, bool *escaped);
 
#ifdef __cplusplus
}
#endif
 
#endif /* SLIPDEV_INTERNAL_H */