08e5378b11
Several licenses were missed in the initial work David Sidrane has submitted the ICLA and we can migrate the licenses to Apache. Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/****************************************************************************
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* libs/libc/misc/lib_kbdencode.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/config.h>
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#include <stdint.h>
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#include <assert.h>
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#include <nuttx/streams.h>
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#include <nuttx/ascii.h>
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#include <nuttx/input/kbd_codec.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Name: kbd_encode
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*
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* Description:
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* Encode one special special sequence command into the output stream.
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*
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* Input Parameters:
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* keycode - The command to be added to the output stream.
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* stream - An instance of lib_outstream_s to do the low-level put
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* operation.
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* terminator - Escape sequence terminating character.
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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 kbd_encode(uint8_t keycode, FAR struct lib_outstream_s *stream,
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uint8_t terminator)
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{
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stream->put(stream, ASCII_ESC);
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stream->put(stream, '[');
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stream->put(stream, (int)keycode);
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stream->put(stream, terminator);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: kbd_release
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*
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* Description:
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* Encode the release of a normal key.
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*
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* Input Parameters:
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* ch - The character associated with the key that was releared.
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* stream - An instance of lib_outstream_s to do the low-level put
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* operation.
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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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void kbd_release(uint8_t ch, FAR struct lib_outstream_s *stream)
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{
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kbd_encode(ch, stream, ('a' + KBD_RELEASE));
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}
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/****************************************************************************
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* Name: kbd_specpress
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*
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* Description:
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* Denotes a special key press event. Put one special keyboard command
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* into the output stream.
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*
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* Input Parameters:
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* keycode - The command to be added to the output stream.
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* stream - An instance of lib_outstream_s to do the low-level put
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* operation.
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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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void kbd_specpress(enum kbd_keycode_e keycode,
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FAR struct lib_outstream_s *stream)
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{
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DEBUGASSERT(stream && keycode >=
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KEYCODE_FWDDEL && keycode <= LAST_KEYCODE);
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kbd_encode((uint8_t)keycode, stream, ('a' + KBD_SPECPRESS));
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}
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/****************************************************************************
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* Name: kbd_specrel
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*
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* Description:
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* Denotes a special key release event. Put one special keyboard
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* command into the output stream.
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*
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* Input Parameters:
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* keycode - The command to be added to the output stream.
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* stream - An instance of lib_outstream_s to do the low-level put
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* operation.
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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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void kbd_specrel(enum kbd_keycode_e keycode,
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FAR struct lib_outstream_s *stream)
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{
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DEBUGASSERT(stream && keycode >=
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KEYCODE_FWDDEL && keycode <= LAST_KEYCODE);
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kbd_encode((uint8_t)keycode, stream, ('a' + KBD_SPECREL));
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}
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