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55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright (C) 2018 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @{
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*
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* @file
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*/
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#include "board.h"
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#include "isrpipe.h"
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#include "periph/uart.h"
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#include "slipdev.h"
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#include "slipdev_internal.h"
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#include "slipdev_params.h"
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#include "stdio_base.h"
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#include "stdio_uart.h"
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mutex_t slipdev_mutex = MUTEX_INIT;
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static void _isrpipe_write(void *arg, uint8_t data)
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{
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isrpipe_write_one(arg, (char)data);
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}
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static void _init(void)
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{
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/* intentionally overwritten in netdev init so we have stdio before
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* the network device is initialized is initialized */
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uart_init(slipdev_params[0].uart, slipdev_params[0].baudrate,
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_isrpipe_write, &stdin_isrpipe);
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}
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static ssize_t _write(const void *buffer, size_t len)
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{
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mutex_lock(&slipdev_mutex);
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slipdev_write_byte(slipdev_params[0].uart, SLIPDEV_STDIO_START);
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slipdev_write_bytes(slipdev_params[0].uart, buffer, len);
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slipdev_write_byte(slipdev_params[0].uart, SLIPDEV_END);
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mutex_unlock(&slipdev_mutex);
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return len;
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}
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STDIO_PROVIDER(STDIO_SLIP, _init, NULL, _write)
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/** @} */
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