109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/****************************************************************************
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* drivers/segger/note_rtt.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/note/note_driver.h>
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#include <nuttx/segger/note_rtt.h>
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#include <nuttx/segger/rtt.h>
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct notertt_s
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{
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struct note_driver_s driver;
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struct lib_rttoutstream_s stream;
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void notertt_add(FAR struct note_driver_s *drv,
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FAR const void *note, size_t len);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct note_driver_ops_s g_notertt_ops =
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{
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notertt_add,
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};
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struct notertt_s g_notertt =
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{
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{
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&g_notertt_ops
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}
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: notertt_add
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*
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* Description:
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* Put the variable length note to rttoutstream
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*
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* Input Parameters:
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* buf - The note buffer
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* notelen - The buffer length
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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static void notertt_add(FAR struct note_driver_s *drv,
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FAR const void *buf, size_t notelen)
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{
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FAR struct notertt_s *note = (FAR struct notertt_s *)drv;
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lib_stream_puts(¬e->stream, buf, notelen);
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}
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/****************************************************************************
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* Name: notertt_register
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*
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* Description:
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* Register a serial driver using note_driver_register
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*
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* Input Parameters:
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* None.
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*
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* Returned Value:
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* Zero on succress. A negated errno value is returned on a failure.
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*
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****************************************************************************/
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int notertt_register(void)
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{
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lib_rttoutstream_open(&g_notertt.stream,
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CONFIG_NOTE_RTT_CHANNEL,
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CONFIG_NOTE_RTT_BUFFER_SIZE_UP);
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return note_driver_register(&g_notertt.driver);
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}
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