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/****************************************************************************
* configs/kwikstik-k40/src/up_leds.c
* arch/arm/src/board/up_leds.c
*
* Copyright (C) 2011, 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <debug.h>
#include "up_internal.h"
/****************************************************************************
* 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
# define ledvdbg llvdbg
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_led_initialize
*
* Description:
* Initialize LED GPIOs so that LEDs can be controlled.
*
****************************************************************************/
#include "kinetis_internal.h"
#ifdef CONFIG_ARCH_LEDS
#define GPIO_LED0 (PIN_PORTC | PIN5 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED1 (PIN_PORTD | PIN1 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED2 (PIN_PORTC | PIN0 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED3 (PIN_PORTB | PIN0 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED4 (PIN_PORTB | PIN1 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED5 (PIN_PORTB | PIN3 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED6 (PIN_PORTB | PIN2 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED7 (PIN_PORTD | PIN5 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
#define GPIO_LED8 (PIN_PORTD | PIN6 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE)
/* Delay used to blink all leds once (to verify that system is up) */
#define LED_DELAY_LOOPS 1000000
static void set_led(int led, bool value)
{
switch(led) {
case LED_STARTED:
kinetis_gpiowrite(GPIO_LED0, value);
break;
case LED_HEAPALLOCATE:
kinetis_gpiowrite(GPIO_LED1, value);
break;
case LED_IRQSENABLED:
kinetis_gpiowrite(GPIO_LED2, value);
break;
case LED_STACKCREATED:
kinetis_gpiowrite(GPIO_LED3, value);
break;
case LED_INIRQ:
kinetis_gpiowrite(GPIO_LED4, value);
break;
case LED_SIGNAL:
kinetis_gpiowrite(GPIO_LED5, value);
break;
case LED_ASSERTION:
kinetis_gpiowrite(GPIO_LED6, value);
break;
case LED_PANIC:
kinetis_gpiowrite(GPIO_LED7, value);
break;
default:
kinetis_gpiowrite(GPIO_LED8, value);
break;
}
}
void board_led_initialize(void)
{
volatile unsigned long counter = 0;
kinetis_pinconfig(GPIO_LED0);
kinetis_pinconfig(GPIO_LED1);
kinetis_pinconfig(GPIO_LED2);
kinetis_pinconfig(GPIO_LED3);
kinetis_pinconfig(GPIO_LED4);
kinetis_pinconfig(GPIO_LED5);
kinetis_pinconfig(GPIO_LED6);
kinetis_pinconfig(GPIO_LED7);
kinetis_pinconfig(GPIO_LED8);
set_led(LED_STARTED, true);
set_led(LED_HEAPALLOCATE, true);
set_led(LED_IRQSENABLED, true);
set_led(LED_STACKCREATED, true);
set_led(LED_INIRQ, true);
set_led(LED_SIGNAL, true);
set_led(LED_ASSERTION, true);
set_led(LED_PANIC, true);
kinetis_gpiowrite(GPIO_LED8, true);
counter = 0;
while(counter < LED_DELAY_LOOPS) {
++counter;
}
set_led(LED_HEAPALLOCATE, false);
set_led(LED_IRQSENABLED, false);
set_led(LED_STACKCREATED, false);
set_led(LED_INIRQ, false);
set_led(LED_SIGNAL, false);
set_led(LED_ASSERTION, false);
set_led(LED_PANIC, false);
kinetis_gpiowrite(GPIO_LED8, false);
counter = 0;
while(counter < LED_DELAY_LOOPS) {
++counter;
}
}
/****************************************************************************
* Name: board_led_on
****************************************************************************/
void board_led_on(int led)
{
set_led(led, true);
}
/****************************************************************************
* Name: board_led_off
****************************************************************************/
void board_led_off(int led)
{
set_led(led, false);
}
#endif /* CONFIG_ARCH_LEDS */
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