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author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2011-12-19 19:24:09 +0000 |
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committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2011-12-19 19:24:09 +0000 |
commit | add995c32e86f9de8fa8fc05172435332c25a895 (patch) | |
tree | 0191fde92a5c4dcd55a24b2aa760fa4c88713242 /nuttx/graphics/nxmu/nxmu_kbdin.c | |
download | px4-firmware-add995c32e86f9de8fa8fc05172435332c25a895.tar.gz px4-firmware-add995c32e86f9de8fa8fc05172435332c25a895.tar.bz2 px4-firmware-add995c32e86f9de8fa8fc05172435332c25a895.zip |
Completes coding of the PWM module
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/graphics/nxmu/nxmu_kbdin.c')
-rw-r--r-- | nuttx/graphics/nxmu/nxmu_kbdin.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/nuttx/graphics/nxmu/nxmu_kbdin.c b/nuttx/graphics/nxmu/nxmu_kbdin.c new file mode 100644 index 000000000..334d525c0 --- /dev/null +++ b/nuttx/graphics/nxmu/nxmu_kbdin.c @@ -0,0 +1,122 @@ +/**************************************************************************** + * graphics/nxmu/nxmu_kbdin.c + * + * Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdlib.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/nx/nx.h> +#include "nxfe.h" + +#ifdef CONFIG_NX_KBD + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxmu_kbdin + * + * Descripton: + * New keyboard data has been received from the thread or interrupt + * handler that manages some kind of keyboard/keypad hardware. Route that + * positional data to the appropriate window client. + * + ****************************************************************************/ + +void nxmu_kbdin(FAR struct nxfe_state_s *fe, uint8_t nch, FAR uint8_t *ch) +{ + FAR struct nxclimsg_kbdin_s *outmsg; + int size; + int ret; + int i; + + /* Allocate a bigger message to account for the variable amount of + * character data. + */ + + size = sizeof(struct nxclimsg_kbdin_s) + nch - 1; + outmsg = (FAR struct nxclimsg_kbdin_s *)malloc(size); + if (outmsg) + { + /* Give the keypad input only to the top child */ + + outmsg->msgid = NX_CLIMSG_KBDIN; + outmsg->wnd = fe->be.topwnd; + outmsg->nch = nch; + + for (i = 0; i < nch; i++) + { + outmsg->ch[i] = ch[i]; + } + + ret = mq_send(fe->be.topwnd->conn->swrmq, outmsg, size, NX_SVRMSG_PRIO); + if (ret < 0) + { + gdbg("mq_send failed: %d\n", errno); + } + free(outmsg); + } +} + +#endif /* CONFIG_NX_KBD */ + |