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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-05 20:05:01 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-05 20:05:01 +0000 |
commit | d36f52931465f7a56f5fbeb8128bbc6f5869279f (patch) | |
tree | 3d525d02fbc049ac0e541063a2a65d89cdf6bf70 /nuttx/arch/x86 | |
parent | 6218c1707eba6130302dfb8cfe253df1fafdde68 (diff) | |
download | px4-nuttx-d36f52931465f7a56f5fbeb8128bbc6f5869279f.tar.gz px4-nuttx-d36f52931465f7a56f5fbeb8128bbc6f5869279f.tar.bz2 px4-nuttx-d36f52931465f7a56f5fbeb8128bbc6f5869279f.zip |
Add a stub for the QEMU serial driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3341 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/x86')
-rwxr-xr-x | nuttx/arch/x86/src/qemu/Make.defs | 2 | ||||
-rw-r--r-- | nuttx/arch/x86/src/qemu/qemu_serial.c | 89 |
2 files changed, 90 insertions, 1 deletions
diff --git a/nuttx/arch/x86/src/qemu/Make.defs b/nuttx/arch/x86/src/qemu/Make.defs index e44028699..6bcf102f9 100755 --- a/nuttx/arch/x86/src/qemu/Make.defs +++ b/nuttx/arch/x86/src/qemu/Make.defs @@ -52,6 +52,6 @@ CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ CHIP_ASRCS = qemu_saveusercontext.S qemu_fullcontextrestore.S qemu_vectors.S CHIP_CSRCS = qemu_handlers.c qemu_idle.c qemu_irq.c qemu_lowputc.c \ - qemu_lowsetup.c qemu_timerisr.c + qemu_lowsetup.c qemu_serial.c qemu_timerisr.c # Configuration-dependent QEMU files diff --git a/nuttx/arch/x86/src/qemu/qemu_serial.c b/nuttx/arch/x86/src/qemu/qemu_serial.c new file mode 100644 index 000000000..743ccb691 --- /dev/null +++ b/nuttx/arch/x86/src/qemu/qemu_serial.c @@ -0,0 +1,89 @@ +/**************************************************************************** + * arch/x86/src/qemu/qemu_serial.c + * + * Copyright (C) 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 <nuttx/arch.h> +#include "up_internal.h" + +#ifdef CONFIG_USE_SERIALDRIVER +#error "Serial driver support not initialized" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#else /* CONFIG_USE_SERIALDRIVER */ + +/**************************************************************************** + * Name: up_putc + * + * Description: + * Provide priority, low-level access to support OS debug writes + * + ****************************************************************************/ + +int up_putc(int ch) +{ + /* Check for LF */ + + if (ch == '\n') + { + /* Add CR */ + + up_lowputc('\r'); + } + + up_lowputc(ch); + return ch; +} + +#endif /* CONFIG_USE_SERIALDRIVER */ |