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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-03 16:26:00 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-03 16:26:00 +0000 |
commit | 1940235b4d0905284790420442463d41d5905f15 (patch) | |
tree | 438b5b32e54c7c1870f81a82d3dd5985c25d3824 /nuttx/arch/arm | |
parent | b748be7443a9b0a3077856a5a11ac12acbcefda9 (diff) | |
download | px4-nuttx-1940235b4d0905284790420442463d41d5905f15.tar.gz px4-nuttx-1940235b4d0905284790420442463d41d5905f15.tar.bz2 px4-nuttx-1940235b4d0905284790420442463d41d5905f15.zip |
Fixes for LPC1766-STK without LED support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4256 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm')
-rwxr-xr-x | nuttx/arch/arm/src/lpc17xx/lpc17_idle.c | 208 |
1 files changed, 104 insertions, 104 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_idle.c b/nuttx/arch/arm/src/lpc17xx/lpc17_idle.c index 6e55bca9e..88cd817f7 100755 --- a/nuttx/arch/arm/src/lpc17xx/lpc17_idle.c +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_idle.c @@ -1,104 +1,104 @@ -/****************************************************************************
- * arch/arm/src/lpc17/lpc17_idle.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 <arch/board/board.h>
-#include <nuttx/config.h>
-
-#include <nuttx/arch.h>
-#include "up_internal.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/* Does the board support an IDLE LED to indicate that the board is in the
- * IDLE state?
- */
-
-#if defined(CONFIG_ARCH_LEDS) && defined(LED_IDLE)
-# define BEGIN_IDLE() up_ledon(LED_IDLE)
-# define END_IDLE() up_ledoff(LED_IDLE)
-#else
-# define BEGIN_IDLE()
-# define END_IDLE()
-#endif
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: up_idle
- *
- * Description:
- * up_idle() is the logic that will be executed when their is no other
- * ready-to-run task. This is processor idle time and will continue until
- * some interrupt occurs to cause a context switch from the idle task.
- *
- * Processing in this state may be processor-specific. e.g., this is where
- * power management operations might be performed.
- *
- ****************************************************************************/
-
-void up_idle(void)
-{
-#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
- /* If the system is idle and there are no timer interrupts, then process
- * "fake" timer interrupts. Hopefully, something will wake up.
- */
-
- sched_process_timer();
-#else
-
- /* Sleep until an interrupt occurs to save power */
-
- BEGIN_IDLE();
- asm("WFI");
- END_IDLE();
-#endif
-}
-
+/**************************************************************************** + * arch/arm/src/lpc17/lpc17_idle.c + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <arch/board/board.h> +#include <nuttx/config.h> + +#include <nuttx/arch.h> +#include "up_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Does the board support an IDLE LED to indicate that the board is in the + * IDLE state? + */ + +#if defined(CONFIG_ARCH_LEDS) && defined(LED_IDLE) +# define BEGIN_IDLE() up_ledon(LED_IDLE) +# define END_IDLE() up_ledoff(LED_IDLE) +#else +# define BEGIN_IDLE() +# define END_IDLE() +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_idle + * + * Description: + * up_idle() is the logic that will be executed when their is no other + * ready-to-run task. This is processor idle time and will continue until + * some interrupt occurs to cause a context switch from the idle task. + * + * Processing in this state may be processor-specific. e.g., this is where + * power management operations might be performed. + * + ****************************************************************************/ + +void up_idle(void) +{ +#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS) + /* If the system is idle and there are no timer interrupts, then process + * "fake" timer interrupts. Hopefully, something will wake up. + */ + + sched_process_timer(); +#else + + /* Sleep until an interrupt occurs to save power */ + + BEGIN_IDLE(); + asm("WFI"); + END_IDLE(); +#endif +} + |