diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-07-04 17:59:16 +0000 |
---|---|---|
committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-07-04 17:59:16 +0000 |
commit | 876001162c43d26904d2ef2ac242e1267d3b5942 (patch) | |
tree | afdac7876afe410da2da74a542b22cec254bbedb /nuttx/configs/lpc4330-xplorer/src/up_userleds.c | |
parent | 6e63518d400fabf1531c9fb5445382951e3fbb02 (diff) | |
download | px4-nuttx-876001162c43d26904d2ef2ac242e1267d3b5942.tar.gz px4-nuttx-876001162c43d26904d2ef2ac242e1267d3b5942.tar.bz2 px4-nuttx-876001162c43d26904d2ef2ac242e1267d3b5942.zip |
Progress of LPC43xx build environment
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4904 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/lpc4330-xplorer/src/up_userleds.c')
-rw-r--r-- | nuttx/configs/lpc4330-xplorer/src/up_userleds.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/nuttx/configs/lpc4330-xplorer/src/up_userleds.c b/nuttx/configs/lpc4330-xplorer/src/up_userleds.c new file mode 100644 index 000000000..0f7ccee50 --- /dev/null +++ b/nuttx/configs/lpc4330-xplorer/src/up_userleds.c @@ -0,0 +1,157 @@ +/**************************************************************************** + * configs/lpc4330-xplorer/src/up_userleds.c + * arch/arm/src/board/up_userleds.c + * + * Copyright (C) 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 <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <arch/board/board.h> + +#include "chip.h" +#include "up_arch.h" +#include "up_internal.h" + +#include "xplorer_internal.h" + +#ifndef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Definitions + ****************************************************************************/ +/* LED definitions **********************************************************/ +/* The LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the + * schematic and on but referred to has LED1 and LED2 here, respectively. + * + * LED1 D2 GPIO1[12] + * LED2 D3 GPIO1[11] + * + * LEDs are pulled high to a low output illuminates the LED. + */ + +/* Debug definitions ********************************************************/ +/* Enables debug output from this file (needs CONFIG_DEBUG with + * CONFIG_DEBUG_VERBOSE too) + */ + +#ifdef CONFIG_DEBUG_LED +# define leddbg lldbg +# ifdef CONFIG_DEBUG_VERBOSE +# define LED_VERBOSE 1 +# define ledvdbg lldbg +# else +# undef LED_VERBOSE +# define ledvdbg(x...) +# endif +#else +# undef LED_VERBOSE +# define leddbg(x...) +# define ledvdbg(x...) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: led_dumppins + ****************************************************************************/ + +#ifdef LED_VERBOSE +static void led_dumppins(FAR const char *msg) +{ + lpc43_dumppinconfig(PINCONFIG_LED1, msg); + lpc43_dumpgpio(GPIO_LED2, msg); +} +#else +# define led_dumppins(m) +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: lpc43_ledinit + ****************************************************************************/ + +void lpc43_ledinit(void) +{ + /* Configure all LED GPIO lines */ + + led_dumppins("lpc43_ledinit() Entry)"); + + /* Configure LED pins as GPIOs, then configure GPIOs as outputs */ + + lpc43_pinconfig(PINCONFIG_LED1); + lpc43_gpioconfig(GPIO_LED1); + + lpc43_pinconfig(PINCONFIG_LED2); + lpc43_gpioconfig(GPIO_LED2); + + led_dumppins("lpc43_ledinit() Exit"); +} + +/**************************************************************************** + * Name: lpc43_setled + ****************************************************************************/ + +void lpc43_setled(int led, bool ledon) +{ + uint16_t gpiocfg = (led == BOARD_LED1 ? BOARD_LED1 : BOARD_LED2); + lpc43_gpiowrite(GPIO_LED1, !ledon); +} + +/**************************************************************************** + * Name: lpc43_setleds + ****************************************************************************/ + +void lpc43_setleds(uint8_t ledset) +{ + lpc43_gpiowrite(BOARD_LED1, (ledset & BOARD_LED1_BIT) == 0); + lpc43_gpiowrite(BOARD_LED2, (ledset & BOARD_LED2_BIT) == 0); +} + +#endif /* !CONFIG_ARCH_LEDS */ |