1
0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
RIOT/drivers/slipdev/stdio.c
2024-02-09 15:31:21 +01:00

55 lines
1.3 KiB
C

/*
* 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.
*/
/**
* @{
*
* @file
* @author Martine Lenders <m.lenders@fu-berlin.de>
*/
#include "board.h"
#include "isrpipe.h"
#include "periph/uart.h"
#include "slipdev.h"
#include "slipdev_internal.h"
#include "slipdev_params.h"
#include "stdio_base.h"
#include "stdio_uart.h"
mutex_t slipdev_mutex = MUTEX_INIT;
static void _isrpipe_write(void *arg, uint8_t data)
{
isrpipe_write_one(arg, (char)data);
}
static void _init(void)
{
/* intentionally overwritten in netdev init so we have stdio before
* the network device is initialized is initialized */
uart_init(slipdev_params[0].uart, slipdev_params[0].baudrate,
_isrpipe_write, &stdin_isrpipe);
}
static ssize_t _write(const void *buffer, size_t len)
{
mutex_lock(&slipdev_mutex);
slipdev_write_byte(slipdev_params[0].uart, SLIPDEV_STDIO_START);
slipdev_write_bytes(slipdev_params[0].uart, buffer, len);
slipdev_write_byte(slipdev_params[0].uart, SLIPDEV_END);
mutex_unlock(&slipdev_mutex);
return len;
}
STDIO_PROVIDER(STDIO_SLIP, _init, NULL, _write)
/** @} */