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nuttx/configs/twr-k64f120m/src/k64_leds.c

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/****************************************************************************
* configs/twr-k64f120m/src/k64_leds.c
*
* Copyright (C) 2017 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 <debug.h>
#include <nuttx/board.h>
#include "kinetis.h"
#include "twrk64.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* The TWR-K64F120M has four LEDs:
*
* 1. D5 / Green LED PTE6
* 2. D6 / Yellow LED PTE7
* 3. D7 / Orange LED PTE8
* 4 D9 / Blue LED PTE9
*
* LED4 is reservered for user.
*/
/* The following definitions map the encoded LED setting to GPIO settings */
#define K64_LED1 (1 << 0)
#define K64_LED2 (1 << 1)
#define K64_LED3 (1 << 2)
// #define K64_LED4 (1 << 3)
#define ON_SETBITS_SHIFT (0)
#define ON_CLRBITS_SHIFT (4)
#define OFF_SETBITS_SHIFT (8)
#define OFF_CLRBITS_SHIFT (12)
#define ON_BITS(v) ((v) & 0xff)
#define OFF_BITS(v) (((v) >> 8) & 0x0ff)
#define SETBITS(b) ((b) & 0x0f)
#define CLRBITS(b) (((b) >> 4) & 0x0f)
#define ON_SETBITS(v) (SETBITS(ON_BITS(v))
#define ON_CLRBITS(v) (CLRBITS(ON_BITS(v))
#define OFF_SETBITS(v) (SETBITS(OFF_BITS(v))
#define OFF_CLRBITS(v) (CLRBITS(OFF_BITS(v))
#define LED_STARTED_ON_SETBITS (0 << ON_SETBITS_SHIFT)
#define LED_STARTED_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_STARTED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_STARTED_OFF_CLRBITS (0 << OFF_CLRBITS_SHIFT)
#define LED_HEAPALLOCATE_ON_SETBITS (0 << ON_SETBITS_SHIFT)
#define LED_HEAPALLOCATE_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_HEAPALLOCATE_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_HEAPALLOCATE_OFF_CLRBITS (0 << OFF_CLRBITS_SHIFT)
#define LED_IRQSENABLED_ON_SETBITS (0 << ON_SETBITS_SHIFT)
#define LED_IRQSENABLED_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_IRQSENABLED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_IRQSENABLED_OFF_CLRBITS (0 << OFF_CLRBITS_SHIFT)
#define LED_STACKCREATED_ON_SETBITS (K64_LED1 << ON_SETBITS_SHIFT)
#define LED_STACKCREATED_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_STACKCREATED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_STACKCREATED_OFF_CLRBITS (0 << OFF_CLRBITS_SHIFT)
#define LED_INIRQ_ON_SETBITS (K64_LED2 << ON_SETBITS_SHIFT)
#define LED_INIRQ_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_INIRQ_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_INIRQ_OFF_CLRBITS (K64_LED2 << OFF_CLRBITS_SHIFT)
#define LED_SIGNAL_ON_SETBITS (K64_LED3 << ON_SETBITS_SHIFT)
#define LED_SIGNAL_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_SIGNAL_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_SIGNAL_OFF_CLRBITS (K64_LED3 << OFF_CLRBITS_SHIFT)
#define LED_ASSERTION_ON_SETBITS ((K64_LED1|K64_LED2|K64_LED3) << ON_SETBITS_SHIFT)
#define LED_ASSERTION_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_ASSERTION_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_ASSERTION_OFF_CLRBITS (0 << OFF_CLRBITS_SHIFT)
#define LED_PANIC_ON_SETBITS (K64_LED1 << ON_SETBITS_SHIFT)
#define LED_PANIC_ON_CLRBITS (0 << ON_CLRBITS_SHIFT)
#define LED_PANIC_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
#define LED_PANIC_OFF_CLRBITS (K64_LED1 << OFF_CLRBITS_SHIFT)
/****************************************************************************
* Private Data
****************************************************************************/
static const uint16_t g_ledbits[8] =
{
(LED_STARTED_ON_SETBITS | LED_STARTED_ON_CLRBITS |
LED_STARTED_OFF_SETBITS | LED_STARTED_OFF_CLRBITS),
(LED_HEAPALLOCATE_ON_SETBITS | LED_HEAPALLOCATE_ON_CLRBITS |
LED_HEAPALLOCATE_OFF_SETBITS | LED_HEAPALLOCATE_OFF_CLRBITS),
(LED_IRQSENABLED_ON_SETBITS | LED_IRQSENABLED_ON_CLRBITS |
LED_IRQSENABLED_OFF_SETBITS | LED_IRQSENABLED_OFF_CLRBITS),
(LED_STACKCREATED_ON_SETBITS | LED_STACKCREATED_ON_CLRBITS |
LED_STACKCREATED_OFF_SETBITS | LED_STACKCREATED_OFF_CLRBITS),
(LED_INIRQ_ON_SETBITS | LED_INIRQ_ON_CLRBITS |
LED_INIRQ_OFF_SETBITS | LED_INIRQ_OFF_CLRBITS),
(LED_SIGNAL_ON_SETBITS | LED_SIGNAL_ON_CLRBITS |
LED_SIGNAL_OFF_SETBITS | LED_SIGNAL_OFF_CLRBITS),
(LED_ASSERTION_ON_SETBITS | LED_ASSERTION_ON_CLRBITS |
LED_ASSERTION_OFF_SETBITS | LED_ASSERTION_OFF_CLRBITS),
(LED_PANIC_ON_SETBITS | LED_PANIC_ON_CLRBITS |
LED_PANIC_OFF_SETBITS | LED_PANIC_OFF_CLRBITS)
};
/****************************************************************************
* Private Functions
****************************************************************************/
static inline void led_clrbits(unsigned int clrbits)
{
if ((clrbits & K64_LED1) != 0)
{
kinetis_gpiowrite(GPIO_LED1, true);
}
if ((clrbits & K64_LED2) != 0)
{
kinetis_gpiowrite(GPIO_LED2, true);
}
if ((clrbits & K64_LED3) != 0)
{
kinetis_gpiowrite(GPIO_LED3, true);
}
}
static inline void led_setbits(unsigned int setbits)
{
if ((setbits & K64_LED1) != 0)
{
kinetis_gpiowrite(GPIO_LED1, false);
}
if ((setbits & K64_LED2) != 0)
{
kinetis_gpiowrite(GPIO_LED2, false);
}
if ((setbits & K64_LED3) != 0)
{
kinetis_gpiowrite(GPIO_LED3, false);
}
}
static void led_setonoff(unsigned int bits)
{
led_clrbits(CLRBITS(bits));
led_setbits(SETBITS(bits));
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_autoled_initialize
*
* Description:
* Initialize LED GPIOs so that LEDs can be controlled.
*
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void board_autoled_initialize(void)
{
/* Configure LED1-3 GPIOs for output */
kinetis_pinconfig(GPIO_LED1);
kinetis_pinconfig(GPIO_LED2);
kinetis_pinconfig(GPIO_LED3);
}
/****************************************************************************
* Name: board_autoled_on
*
* Description:
* Puts on the relevants LEDs for one of the LED_condition (see board.h)
****************************************************************************/
void board_autoled_on(int led)
{
led_setonoff(ON_BITS(g_ledbits[led]));
}
/****************************************************************************
* Name: board_autoled_off
*
* Description:
* Puts off the relevants LEDs for one of the LED_condition (see board.h)
****************************************************************************/
void board_autoled_off(int led)
{
led_setonoff(OFF_BITS(g_ledbits[led]));
}
#endif /* CONFIG_ARCH_LEDS */
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