diff options
Diffstat (limited to 'nuttx/configs/freedom-kl25z/src/kl_led.c')
| -rw-r--r-- | nuttx/configs/freedom-kl25z/src/kl_led.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/nuttx/configs/freedom-kl25z/src/kl_led.c b/nuttx/configs/freedom-kl25z/src/kl_led.c new file mode 100644 index 000000000..aa633a080 --- /dev/null +++ b/nuttx/configs/freedom-kl25z/src/kl_led.c @@ -0,0 +1,154 @@ +/**************************************************************************** + * configs/freedom-kl25z/src/up_autoleds.c + * arch/arm/src/board/up_autoleds.c + * + * Copyright (C) 2013 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. + * + ****************************************************************************/ +/* The NuTiny has a single green LED that can be controlled from sofware. + * This LED is connected to PIN17. It is pulled high so a low value will + * illuminate the LED. + * + * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the + * NuTiny. The following definitions describe how NuttX controls the LEDs: + * + * SYMBOL Meaning LED state + * Initially all LED is OFF + * ------------------- ----------------------- ------------- ------------ + * LED_STARTED NuttX has been started LED ON + * LED_HEAPALLOCATE Heap has been allocated LED ON + * LED_IRQSENABLED Interrupts enabled LED ON + * LED_STACKCREATED Idle stack created LED ON + * LED_INIRQ In an interrupt LED should glow + * LED_SIGNAL In a signal handler LED might glow + * LED_ASSERTION An assertion failed LED ON while handling the assertion + * LED_PANIC The system has crashed LED Blinking at 2Hz + * LED_IDLE NUC1XX is is sleep mode (Optional, not used) + */ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <arch/board/board.h> + +#include "chip.h" +#include "kl_gpio.h" +#include "freedom-kl25z.h" + +//extern void blueled(int on); +//int i=0; + +#ifdef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG + * with CONFIG_DEBUG_VERBOSE too) + */ + +#ifdef CONFIG_DEBUG_LEDS +# define leddbg lldbg +# ifdef CONFIG_DEBUG_VERBOSE +# define ledvdbg lldbg +# else +# define ledvdbg(x...) +# endif +#else +# define leddbg(x...) +# define ledvdbg(x...) +#endif + +/* Dump GPIO registers */ + +#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_LEDS) +# define led_dumpgpio(m) kl_dumpgpio(GPIO_LED, m) +#else +# define led_dumpgpio(m) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: kl_ledinit + * + * Description: + * Initialize the on-board LED + * + ****************************************************************************/ + +void kl_ledinit(void) +{ + led_dumpgpio("Before configuration"); + //kl_configgpio(GPIO_LED); + /* Blink blue LED to indicate we are here */ + //for (; ; i++) + // blueled(i & 0x10000); + led_dumpgpio("After configuration"); +} + +/**************************************************************************** + * Name: up_ledon + ****************************************************************************/ + +void up_ledon(int led) +{ + kl_gpiowrite(GPIO_LED, false); +} + +/**************************************************************************** + * Name: up_ledoff + ****************************************************************************/ + +void up_ledoff(int led) +{ + kl_gpiowrite(GPIO_LED, true); +} + +#endif /* CONFIG_ARCH_LEDS */ |