diff options
Diffstat (limited to 'nuttx/configs/lpc4330-xplorer/src/up_autoleds.c')
| -rw-r--r-- | nuttx/configs/lpc4330-xplorer/src/up_autoleds.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/nuttx/configs/lpc4330-xplorer/src/up_autoleds.c b/nuttx/configs/lpc4330-xplorer/src/up_autoleds.c new file mode 100644 index 000000000..89b2a1020 --- /dev/null +++ b/nuttx/configs/lpc4330-xplorer/src/up_autoleds.c @@ -0,0 +1,203 @@ +/**************************************************************************** + * configs/lpc4330-xplorer/src/up_autoleds.c + * arch/arm/src/board/up_autoleds.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" + +#ifdef 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. + * + * If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows + * for NuttX debug functionality (where NC means "No Change"). + * + * ON OFF + * LED1 LED2 LED1 LED2 + * LED_STARTED 0 OFF OFF - - + * LED_HEAPALLOCATE 1 ON OFF - - + * LED_IRQSENABLED 1 ON OFF - - + * LED_STACKCREATED 1 ON OFF - - + * LED_INIRQ 2 NC ON NC OFF + * LED_SIGNAL 2 NC ON NC OFF + * LED_ASSERTION 2 NC ON NC OFF + * LED_PANIC 2 NC ON NC OFF + * + * If CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under + * control of the application. The following interfaces are then available + * for application control of the LEDs: + * + * void lpc43_ledinit(void); + * void lpc43_setled(int led, bool ledon); + * void lpc43_setleds(uint8_t ledset); + */ + +/* 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: up_ledinit + ****************************************************************************/ + +void up_ledinit(void) +{ + /* Configure all LED pins as GPIO outputs */ + + led_dumppins("up_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("up_ledinit() Exit"); +} + +/**************************************************************************** + * Name: up_ledon + ****************************************************************************/ + +void up_ledon(int led) +{ + switch (led) + { + default: + case 0: + lpc43_gpiowrite(GPIO_LED1, true); /* LED1 OFF */ + lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */ + break; + + case 1: + lpc43_gpiowrite(GPIO_LED1, false); /* LED1 ON */ + lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */ + break; + + case 2: + lpc43_gpiowrite(GPIO_LED2, false); /* LED2 ON */ + break; + } +} + +/**************************************************************************** + * Name: up_ledoff + ****************************************************************************/ + +void up_ledoff(int led) +{ + switch (led) + { + default: + case 0: + case 1: + break; + + case 2: + lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */ + break; + } +} + +#endif /* CONFIG_ARCH_LEDS */ |