slipdev__internal_8h_source.html

/*

 * 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);


#ifdef __cplusplus

}

#endif


#endif /* SLIPDEV_INTERNAL_H */

uart.h
Low-level UART peripheral driver interface definition.

uart_t
uint_fast8_t uart_t
Define default UART type identifier.
Definition uart.h:85

uart_write
void uart_write(uart_t uart, const uint8_t *data, size_t len)
Write data from the given buffer to the specified UART device.

isrpipe.h
isrpipe Interface

mutex.h
Mutex for thread synchronization.

slipdev_stdio_isrpipe
isrpipe_t slipdev_stdio_isrpipe
ISR pipe to hand read bytes to stdin.

slipdev_mutex
mutex_t slipdev_mutex
Mutex to synchronize write operations to the UART between stdio sub-module and normal SLIP.

slipdev_write_byte
static void slipdev_write_byte(uart_t uart, uint8_t byte)
Writes one byte to UART.
Definition slipdev_internal.h:68

slipdev_write_bytes
void slipdev_write_bytes(uart_t uart, const uint8_t *data, size_t len)
Write multiple bytes SLIP-escaped to UART.

isrpipe_t
Context structure for isrpipe.
Definition isrpipe.h:37

mutex_t
Mutex structure.
Definition mutex.h:146