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Add support for key release events

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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5464 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-12-27 14:01:59 +00:00
parent 88bccb641e
commit 954529e8c5
8 changed files with 359 additions and 135 deletions
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nuttx/libc/misc/lib_kbdencode.c
+86 -19
View File
@@ -1,4 +1,4 @@
/********************************************************************************************
/****************************************************************************
* libc/msic/lib_kbdencode.c
* Encoding side of the Keyboard CODEC
*
@@ -32,11 +32,11 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
********************************************************************************************/
****************************************************************************/
/********************************************************************************************
/****************************************************************************
* Included Files
********************************************************************************************/
****************************************************************************/
#include <nuttx/config.h>
@@ -47,19 +47,67 @@
#include <nuttx/ascii.h>
#include <nuttx/input/kbd_codec.h>
/********************************************************************************************
/****************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* Public Functions
********************************************************************************************/
****************************************************************************/
/****************************************************************************
* Name: kbd_putspecial
* Name: kbd_encode
*
* Description:
* Put one special, "out-of-band" command into the output stream.
* Encode one special special sequence command into the output stream.
*
* Input Parameters:
* keycode - The command to be added to the output stream.
* stream - An instance of lib_outstream_s to do the low-level put
* operation.
* terminator - Escape sequence terminating character.
*
* Returned Value:
* None
*
****************************************************************************/
static void kbd_encode(uint8_t keycode, FAR struct lib_outstream_s *stream,
uint8_t terminator)
{
stream->put(stream, ASCII_ESC);
stream->put(stream, '[');
stream->put(stream, (int)keycode);
stream->put(stream, terminator);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: kbd_release
*
* Description:
* Encode the release of a normal key.
*
* Input Parameters:
* ch - The character associated with the key that was releared.
* stream - An instance of lib_outstream_s to do the low-level put
* operation.
*
* Returned Value:
* None
*
****************************************************************************/
void kbd_release(uint8_t ch, FAR struct lib_outstream_s *stream)
{
kbd_encode(ch, stream, ('a' + KBD_RELEASE));
}
/****************************************************************************
* Name: kbd_specpress
*
* Description:
* Denotes a special key press event. Put one special keyboard command
* into the output stream.
*
* Input Parameters:
* keycode - The command to be added to the output stream.
@@ -71,14 +119,33 @@
*
****************************************************************************/
void kbd_putspecial(enum kbd_keycode_e keycode,
FAR struct lib_outstream_s *stream)
void kbd_specpress(enum kbd_keycode_e keycode,
FAR struct lib_outstream_s *stream)
{
DEBUGASSERT(stream && keycode >= KEYCODE_FWDDEL && keycode <= LAST_KEYCODE);
stream->put(stream, ASCII_ESC);
stream->put(stream, '[');
stream->put(stream, (int)keycode);
stream->put(stream, ';');
kbd_encode((uint8_t)keycode, stream, ('a' + KBD_SPECPRESS));
}
/****************************************************************************
* Name: kbd_specrel
*
* Description:
* Denotes a special key release event. Put one special keyboard
* command into the output stream.
*
* Input Parameters:
* keycode - The command to be added to the output stream.
* stream - An instance of lib_outstream_s to do the low-level put
* operation.
*
* Returned Value:
* None
*
****************************************************************************/
void kbd_specrel(enum kbd_keycode_e keycode,
FAR struct lib_outstream_s *stream)
{
DEBUGASSERT(stream && keycode >= KEYCODE_FWDDEL && keycode <= LAST_KEYCODE);
kbd_encode((uint8_t)keycode, stream, ('a' + KBD_SPECREL));
}