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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-11 23:35:36 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-11 23:35:36 +0000 |
commit | bf91815c3fd4be584af323447605624b33932f63 (patch) | |
tree | 3f20fc7294bd7fdf20bcd4b5110f1dccb6165cd0 /nuttx/arch | |
parent | df9cb3ba59cdd40da994ff9ab6b153ef12875d9e (diff) | |
download | px4-nuttx-bf91815c3fd4be584af323447605624b33932f63.tar.gz px4-nuttx-bf91815c3fd4be584af323447605624b33932f63.tar.bz2 px4-nuttx-bf91815c3fd4be584af323447605624b33932f63.zip |
Add a stub that can be used when networking is enabled, but there is no ethernet driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3368 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch')
-rwxr-xr-x | nuttx/arch/arm/src/common/up_etherstub.c | 86 | ||||
-rw-r--r-- | nuttx/arch/arm/src/common/up_internal.h | 8 | ||||
-rwxr-xr-x | nuttx/arch/arm/src/lpc17xx/Make.defs | 10 |
3 files changed, 101 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/common/up_etherstub.c b/nuttx/arch/arm/src/common/up_etherstub.c new file mode 100755 index 000000000..1c4a71ce6 --- /dev/null +++ b/nuttx/arch/arm/src/common/up_etherstub.c @@ -0,0 +1,86 @@ +/**************************************************************************** + * arch/arm/src/common/up_etherstub.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 "up_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_netinitialize (stub) + * + * Description: + * This is a stub version os up_netinitialize. Normally, up_netinitialize + * is defined in board/up_network.c for board-specific ethernet + * implementations, or chip/xyx_ethernet.c for chip-specific ethernet + * implementations. The stub version here is used in the cornercase where + * the network is enable yet there is no ethernet driver to be initialized. + * In this case, up_initialize will still try to call up_netinitialize() + * when one does not exist. This cornercase would occur if, for example, + * only a USB network interface is being used or perhaps if a SLIP is + * being used). + * + * In the long run, it might be better to have some kind of CONFIG_NO_ETHERNET + * to suppress the call to up_netinitialize() in up_initialize(). Then + * this stub would not be needed. + * + ****************************************************************************/ + +void up_netinitialize(void) +{ +} diff --git a/nuttx/arch/arm/src/common/up_internal.h b/nuttx/arch/arm/src/common/up_internal.h index 2829ab0b8..986d901d6 100644 --- a/nuttx/arch/arm/src/common/up_internal.h +++ b/nuttx/arch/arm/src/common/up_internal.h @@ -1,7 +1,7 @@ /**************************************************************************** * common/up_internal.h * - * Copyright (C) 2007-2010 Gregory Nutt. All rights reserved. + * Copyright (C) 2007-2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -259,7 +259,11 @@ extern void up_ledoff(int led); # define up_ledoff(led) #endif -/* Defined in board/up_network.c */ +/* Defined in board/up_network.c for board-specific ethernet implementations, + * or chip/xyx_ethernet.c for chip-specific ethernet implementations, or + * common/up_etherstub.c for a cornercase where the network is enable yet + * there is no ethernet driver to be initialized. + */ #ifdef CONFIG_NET extern void up_netinitialize(void); diff --git a/nuttx/arch/arm/src/lpc17xx/Make.defs b/nuttx/arch/arm/src/lpc17xx/Make.defs index 3665b9cce..74f0e3188 100755 --- a/nuttx/arch/arm/src/lpc17xx/Make.defs +++ b/nuttx/arch/arm/src/lpc17xx/Make.defs @@ -48,6 +48,12 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_sigdeliver.c up_unblocktask.c up_usestack.c up_doirq.c \ up_hardfault.c up_svcall.c +ifeq ($(CONFIG_NET),y) +ifneq ($(CONFIG_LPC17_ETHERNET),y) +CMN_CSRCS += up_etherstub.c +endif +endif + # Required LPC17xx files CHIP_ASRCS = @@ -77,6 +83,8 @@ ifeq ($(CONFIG_LPC17_GPDMA),y) CHIP_CSRCS += lpc17_gpdma.c endif -ifdef CONFIG_NET +ifeq ($(CONFIG_NET),y) +ifeq ($(CONFIG_LPC17_ETHERNET),y) CHIP_CSRCS += lpc17_ethernet.c endif +endif |