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
This commit is contained in:
patacongo
parent
9165a6a89f
commit
2f5a41f8c7
@ -1519,4 +1519,10 @@
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advantage that it runs in the actual NuttX tasking environment (the
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mm/mm_test.c only runs in a PC simulation environment).
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* drivers/mmcsd_sdio.c/h -- Several corrections submitted by Uros Platise.
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* arch/x86 - Provide support for x86 architectures. Support for the i486
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architecture under QEMU is provided under arch/x86/include/i486,
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arch/x86/include/qemu, arch/x86/src/i486, and arch/x86/src/qemu.
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* configs/qemu-i486 - "Board" support configurations for verifying the QEME
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i486 port.
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@ -8,7 +8,7 @@
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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<p>Last Updated: March 2, 2011</p>
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<p>Last Updated: March 5, 2011</p>
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</td>
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</tr>
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</table>
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@ -2115,12 +2115,17 @@ nuttx-5.19 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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occurs.
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* configs/olimex-lpc1766stk -- Added an LED encoded to indicate if the LPC1766
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is in sleeping.
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* examples/mm -- This is a simplified version of the "built-in" memory manager
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test of mm/mm_test.c. It is simplified because it does not have access to
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the internals of the memory manager as does mm/mm_test.c, but it has the
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advantage that it runs in the actual NuttX tasking environment (the
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mm/mm_test.c only runs in a PC simulation environment).
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* examples/mm -- This is a simplified version of the "built-in" memory manager
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test of mm/mm_test.c. It is simplified because it does not have access to
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the internals of the memory manager as does mm/mm_test.c, but it has the
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advantage that it runs in the actual NuttX tasking environment (the
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mm/mm_test.c only runs in a PC simulation environment).
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* drivers/mmcsd_sdio.c/h -- Several corrections submitted by Uros Platise.
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* arch/x86 - Provide support for x86 architectures. Support for the i486
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architecture under QEMU is provided under arch/x86/include/i486,
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arch/x86/include/qemu, arch/x86/src/i486, and arch/x86/src/qemu.
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* configs/qemu-i486 - "Board" support configurations for verifying the QEME
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i486 port.
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pascal-2.1 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -9,7 +9,7 @@
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttX README Files</i></font></big></h1>
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<p>Last Updated: February 27, 2010</p>
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<p>Last Updated: March 5, 2010</p>
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</td>
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</tr>
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</table>
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@ -38,6 +38,11 @@
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| | | |-<a href="arch/sh/src/m16c/README.txt?view=log">m16c/README.txt</a>
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| | | |-<a href="arch/sh/src/sh1/README.txt?view=log">sh1/README.txt</a>
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| | | `-<a href="arch/sh/src/README.txt?view=log">README.txt</a>
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| |- x86/
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| | |- include/
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| | | `-<a href="arch/x86/include/README.txt?view=log">README.txt</a>
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| | `- src/
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| | `-<a href="arch/x86/src/README.txt?view=log">README.txt</a>
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| `- z80/
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| | `- src/
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| | `- <a href="arch/z80/src/z80/README.txt?view=log">z80/README.txt</a>
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@ -111,6 +116,10 @@
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| | |- <a href="configs/pjrc-8051/include/README.txt?view=log">include/README.txt</a>
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| | |- <a href="configs/pjrc-8051/src/README.txt?view=log">src/README.txt</a>
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| | `- <a href="configs/pjrc-8051/README.txt?view=log"><b><i>README.txt</i></b></a>
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| |- qemu-i486/
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| | |- <a href="configs/qemu-i486/include/README.txt?view=log">include/README.txt</a>
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| | |- <a href="configs/qemu-i486/src/README.txt?view=log">src/README.txt</a>
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| | `- <a href="configs/qemu-i486/README.txt?view=log"><b><i>README.txt</i></b></a>
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| |- sam3u-ek/
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| | `- <a href="configs/sam3u-ek/README.txt?view=log"><b><i>README.txt</i></b></a>
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| |- sim/
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@ -251,6 +251,11 @@ Below is a guide to the available README files in the NuttX source tree:
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| | | |-m16c/README.txt
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| | | |-sh1/README.txt
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| | | `-README.txt
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| |- x86/
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| | |- include/
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| | | `-README.txt
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| | `- src/
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| | `-README.txt
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| `- z80/
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| | `- src/
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| | `- z80/README.txt
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@ -324,6 +329,10 @@ Below is a guide to the available README files in the NuttX source tree:
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| | |- include/README.txt
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| | |- src/README.txt
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| | `- README.txt
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| |- qemu-i486/
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| | |- include/README.txt
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| | |- src/README.txt
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| | `- README.txt
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| |- sam3u-ek/
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| | `- README.txt
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| |- sim/
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@ -52,6 +52,6 @@ CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
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CHIP_ASRCS = qemu_saveusercontext.S qemu_fullcontextrestore.S qemu_vectors.S
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CHIP_CSRCS = qemu_handlers.c qemu_idle.c qemu_irq.c qemu_lowputc.c \
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qemu_lowsetup.c qemu_timerisr.c
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qemu_lowsetup.c qemu_serial.c qemu_timerisr.c
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# Configuration-dependent QEMU files
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89
arch/x86/src/qemu/qemu_serial.c
Normal file
89
arch/x86/src/qemu/qemu_serial.c
Normal file
@ -0,0 +1,89 @@
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/****************************************************************************
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* arch/x86/src/qemu/qemu_serial.c
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <nuttx/arch.h>
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#include "up_internal.h"
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#ifdef CONFIG_USE_SERIALDRIVER
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#error "Serial driver support not initialized"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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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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* Public Functions
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****************************************************************************/
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#else /* CONFIG_USE_SERIALDRIVER */
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/****************************************************************************
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* Name: up_putc
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*
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* Description:
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* Provide priority, low-level access to support OS debug writes
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*
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****************************************************************************/
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int up_putc(int ch)
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{
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/* Check for LF */
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if (ch == '\n')
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{
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/* Add CR */
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up_lowputc('\r');
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}
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up_lowputc(ch);
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return ch;
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}
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#endif /* CONFIG_USE_SERIALDRIVER */
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@ -86,67 +86,61 @@ CONFIG_ARCH_DMA=n
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#
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# General OS setup
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#
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# CONFIG_APP_DIR - Identifies the relative path to the directory
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# that builds the application to link with NuttX.
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# CONFIG_APP_DIR - Identifies the relative path to the directory that builds
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# the application to link with NuttX.
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# CONFIG_DEBUG - enables built-in debug options
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# CONFIG_DEBUG_VERBOSE - enables verbose debug output
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# CONFIG_DEBUG_SYMBOLS - build without optimization and with
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# debug symbols (needed for use with a debugger).
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# CONFIG_MM_REGIONS - If the architecture includes multiple
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# regions of memory to allocate from, this specifies the
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# number of memory regions that the memory manager must
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# handle and enables the API mm_addregion(start, end);
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# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot
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# time console output
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# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz
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# or TICKS_PER_MSEC=10. This setting may be defined to
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# inform NuttX that the processor hardware is providing
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# system timer interrupts at some interrupt interval other
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# than 10 msec.
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# CONFIG_RR_INTERVAL - The round robin timeslice will be set
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# this number of milliseconds; Round robin scheduling can
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# be disabled by setting this value to zero.
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# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in
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# scheduler to monitor system performance
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# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
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# task name to save in the TCB. Useful if scheduler
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# instrumentation is selected. Set to zero to disable.
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# CONFIG_DEBUG_SYMBOLS - build without optimization and with debug symbols
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# (needed for use with a debugger).
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# CONFIG_MM_REGIONS - If the architecture includes multiple regions of memory
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# to allocate from, this specifies the number of memory regions that the
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# memory manager must handle and enables the API mm_addregion(start, end);
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# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot time console
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# output.
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# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz or TICKS_PER_MSEC=10.
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# This setting may be defined to inform NuttX that the processor hardware is
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# providing system timer interrupts at some interrupt interval other than 10
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# msec.
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# CONFIG_RR_INTERVAL - The round robin timeslice will be set this number of
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# milliseconds; Round robin scheduling can be disabled by setting this
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# value to zero.
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# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in scheduler to
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# monitor system performance
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# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a task name to save in
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# the TCB. Useful if scheduler instrumentation is selected. Set to zero to
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# disable.
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# CONFIG_JULIAN_TIME - Enables Julian time conversions
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# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
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# Used to initialize the internal time logic.
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# CONFIG_DEV_CONSOLE - Set if architecture-specific logic
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# provides /dev/console. Enables stdout, stderr, stdin.
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# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console
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# driver (minimul support)
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# CONFIG_MUTEX_TYPES: Set to enable support for recursive and
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# errorcheck mutexes. Enables pthread_mutexattr_settype().
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# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority
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# inheritance on mutexes and semaphores.
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# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority
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# inheritance is enabled. It defines the maximum number of
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# different threads (minus one) that can take counts on a
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# semaphore with priority inheritance support. This may be
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# set to zero if priority inheritance is disabled OR if you
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# are only using semaphores as mutexes (only one holder) OR
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# if no more than two threads participate using a counting
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# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - Used to initialize
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# the internal time logic.
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# CONFIG_DEV_CONSOLE - Set if architecture-specific logic provides /dev/console.
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# Enables stdout, stderr, stdin.
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# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console driver
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# (minimal support)
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# CONFIG_MUTEX_TYPES: Set to enable support for recursive and errorcheck
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# mutexes. Enables pthread_mutexattr_settype().
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# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority inheritance
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# on mutexes and semaphores.
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# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority inheritance
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# is enabled. It defines the maximum number of different threads (minus one)
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# that can take counts on a semaphore with priority inheritance support.
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# This may be set to zero if priority inheritance is disabled OR if you are
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# only using semaphores as mutexes (only one holder) OR if no more than two
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# threads participate using a counting semaphore.
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# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, then this setting
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# is the maximum number of higher priority threads (minus 1) than can be
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# waiting for another thread to release a count on a semaphore. This value
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# may be set to zero if no more than one thread is expected to wait for a
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# semaphore.
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# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled,
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# then this setting is the maximum number of higher priority
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# threads (minus 1) than can be waiting for another thread
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# to release a count on a semaphore. This value may be set
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# to zero if no more than one thread is expected to wait for
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# a semaphore.
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# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors
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# by task_create() when a new task is started. If set, all
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# files/drivers will appear to be closed in the new task.
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# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first
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# three file descriptors (stdin, stdout, stderr) by task_create()
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# when a new task is started. If set, all files/drivers will
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# appear to be closed in the new task except for stdin, stdout,
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# and stderr.
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# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
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# desciptors by task_create() when a new task is started. If
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# set, all sockets will appear to be closed in the new task.
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# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors by task_create()
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# when a new task is started. If set, all files/drivers will appear to be
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# closed in the new task.
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# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first three file
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# descriptors (stdin, stdout, stderr) by task_create() when a new task is
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# started. If set, all files/drivers will appear to be closed in the new
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# task except for stdin, stdout, and stderr.
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||||
# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket desciptors by
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# task_create() when a new task is started. If set, all sockets will appear
|
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# to be closed in the new task.
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||||
#
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CONFIG_APP_DIR=examples/ostest
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CONFIG_DEBUG=y
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@ -162,7 +156,7 @@ CONFIG_START_MONTH=3
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CONFIG_START_DAY=3
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CONFIG_JULIAN_TIME=n
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CONFIG_DEV_CONSOLE=y
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CONFIG_DEV_LOWCONSOLE=n
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CONFIG_DEV_LOWCONSOLE=y
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CONFIG_MUTEX_TYPES=y
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CONFIG_PRIORITY_INHERITANCE=n
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CONFIG_SEM_PREALLOCHOLDERS=0
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@ -172,19 +166,15 @@ CONFIG_FDCLONE_STDIO=n
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CONFIG_SDCLONE_DISABLE=y
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#
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||||
# The following can be used to disable categories of
|
||||
# APIs supported by the OS. If the compiler supports
|
||||
# weak functions, then it should not be necessary to
|
||||
# disable functions unless you want to restrict usage
|
||||
# of those APIs.
|
||||
# The following can be used to disable categories ofAPIs supported by the OS.
|
||||
# If the compiler supports weak functions, then it should not be necessary to
|
||||
# disable functions unless you want to restrict usage of those APIs.
|
||||
#
|
||||
# There are certain dependency relationships in these
|
||||
# features.
|
||||
# There are certain dependency relationships in these features.
|
||||
#
|
||||
# o mq_notify logic depends on signals to awaken tasks
|
||||
# waiting for queues to become full or empty.
|
||||
# o pthread_condtimedwait() depends on signals to wake
|
||||
# up waiting tasks.
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||||
# o mq_notify logic depends on signals to awaken tasks waiting for queues to
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||||
# become full or empty.
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||||
# o pthread_condtimedwait() depends on signals to wake up waiting tasks.
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||||
#
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||||
CONFIG_DISABLE_CLOCK=n
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||||
CONFIG_DISABLE_POSIX_TIMERS=n
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||||
@ -198,16 +188,16 @@ CONFIG_DISABLE_POLL=y
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||||
#
|
||||
# Misc libc settings
|
||||
#
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||||
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
|
||||
# little smaller if we do not support fieldwidthes
|
||||
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a little smaller if we
|
||||
# do not support fieldwidthes
|
||||
#
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||||
CONFIG_NOPRINTF_FIELDWIDTH=n
|
||||
|
||||
#
|
||||
# Allow for architecture optimized implementations
|
||||
#
|
||||
# The architecture can provide optimized versions of the
|
||||
# following to improve sysem performance
|
||||
# The architecture can provide optimized versions of the following to improve
|
||||
# system performance
|
||||
#
|
||||
CONFIG_ARCH_MEMCPY=n
|
||||
CONFIG_ARCH_MEMCMP=n
|
||||
@ -226,14 +216,14 @@ CONFIG_ARCH_KFREE=n
|
||||
##
|
||||
# General build options
|
||||
#
|
||||
# CONFIG_RRLOAD_BINARY - make the rrload binary format used with
|
||||
# BSPs from www.ridgerun.com using the tools/mkimage.sh script
|
||||
# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format
|
||||
# used with many different loaders using the GNU objcopy program
|
||||
# Should not be selected if you are not using the GNU toolchain.
|
||||
# CONFIG_RAW_BINARY - make a raw binary format file used with many
|
||||
# different loaders using the GNU objcopy program. This option
|
||||
# should not be selected if you are not using the GNU toolchain.
|
||||
# CONFIG_RRLOAD_BINARY - make the rrload binary format used with BSPs from
|
||||
# www.ridgerun.com using the tools/mkimage.sh script
|
||||
# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format used with many
|
||||
# different loaders using the GNU objcopy program Should not be selected if
|
||||
# you are not using the GNU toolchain.
|
||||
# CONFIG_RAW_BINARY - make a raw binary format file used with many different
|
||||
# loaders using the GNU objcopy program. This option should not be selected
|
||||
# if you are not using the GNU toolchain.
|
||||
# CONFIG_HAVE_LIBM - toolchain supports libm.a
|
||||
#
|
||||
CONFIG_RRLOAD_BINARY=n
|
||||
@ -244,37 +234,33 @@ CONFIG_HAVE_LIBM=y
|
||||
#
|
||||
# Sizes of configurable things (0 disables)
|
||||
#
|
||||
# CONFIG_MAX_TASKS - The maximum number of simultaneously
|
||||
# active tasks. This value must be a power of two.
|
||||
# CONFIG_MAX_TASK_ARGS - This controls the maximum number of
|
||||
# of parameters that a task may receive (i.e., maxmum value
|
||||
# of 'argc')
|
||||
# CONFIG_NPTHREAD_KEYS - The number of items of thread-
|
||||
# specific data that can be retained
|
||||
# CONFIG_NFILE_DESCRIPTORS - The maximum number of file
|
||||
# descriptors (one for each open)
|
||||
# CONFIG_NFILE_STREAMS - The maximum number of streams that
|
||||
# can be fopen'ed
|
||||
# CONFIG_MAX_TASKS - The maximum number of simultaneously active tasks. This
|
||||
# value must be a power of two.
|
||||
# CONFIG_MAX_TASK_ARGS - This controls the maximum number of of parameters
|
||||
# that a task may receive (i.e., maxmum value of 'argc')
|
||||
# CONFIG_NPTHREAD_KEYS - The number of items of thread-specific data that can
|
||||
# be retained
|
||||
# CONFIG_NFILE_DESCRIPTORS - The maximum number of file descriptors (one for
|
||||
# each open)
|
||||
# CONFIG_NFILE_STREAMS - The maximum number of streams that can be fopen'ed
|
||||
# CONFIG_NAME_MAX - The maximum size of a file name.
|
||||
# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
|
||||
# on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
|
||||
# CONFIG_NUNGET_CHARS - Number of characters that can be
|
||||
# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
|
||||
# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
|
||||
# structures. The system manages a pool of preallocated
|
||||
# message structures to minimize dynamic allocations
|
||||
# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with
|
||||
# a fixed payload size given by this settin (does not include
|
||||
# other message structure overhead.
|
||||
# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that
|
||||
# can be passed to a watchdog handler
|
||||
# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
|
||||
# structures. The system manages a pool of preallocated
|
||||
# watchdog structures to minimize dynamic allocations
|
||||
# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
|
||||
# timer structures. The system manages a pool of preallocated
|
||||
# timer structures to minimize dynamic allocations. Set to
|
||||
# zero for all dynamic allocations.
|
||||
# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate on fopen. (Only if
|
||||
# CONFIG_NFILE_STREAMS > 0)
|
||||
# CONFIG_NUNGET_CHARS - Number of characters that can be buffered by ungetc()
|
||||
# (Only if CONFIG_NFILE_STREAMS > 0)
|
||||
# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message structures.
|
||||
# The system manages a pool of preallocated message structures to minimize
|
||||
# dynamic allocations
|
||||
# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with a fixed payload
|
||||
# size given by this settin (does not include other message structure overhead.
|
||||
# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that can be passed to a
|
||||
# watchdog handler
|
||||
# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog structures. The
|
||||
# system manages a pool of preallocated watchdog structures to minimize
|
||||
# dynamic allocations
|
||||
# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX timer structures.
|
||||
# The system manages a pool of preallocated timer structures to minimize
|
||||
# dynamic allocations. Set to zero for all dynamic allocations.
|
||||
#
|
||||
CONFIG_MAX_TASKS=64
|
||||
CONFIG_MAX_TASK_ARGS=4
|
||||
|
||||
Loading…
Reference in New Issue
Block a user