2016-03-10 18:21:35 +01:00
|
|
|
/****************************************************************************
|
2019-08-19 17:16:08 +02:00
|
|
|
* boards/arm/stm32l4/nucleo-l476rg/src/stm32_userleds.c
|
2016-03-10 18:21:35 +01:00
|
|
|
*
|
2016-03-27 19:18:44 +02:00
|
|
|
* Copyright (C) 2014-2016 Gregory Nutt. All rights reserved.
|
2016-03-10 18:21:35 +01:00
|
|
|
* 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 <nuttx/power/pm.h>
|
|
|
|
|
|
|
|
#include "chip.h"
|
|
|
|
#include "up_arch.h"
|
|
|
|
#include "up_internal.h"
|
|
|
|
#include "stm32l4.h"
|
|
|
|
#include "nucleo-l476rg.h"
|
|
|
|
|
|
|
|
#ifndef CONFIG_ARCH_LEDS
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Private Function Prototypes
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/* LED Power Management */
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2016-03-27 19:18:44 +02:00
|
|
|
static void led_pm_notify(struct pm_callback_s *cb, int domain,
|
|
|
|
enum pm_state_e pmstate);
|
|
|
|
static int led_pm_prepare(struct pm_callback_s *cb, int domain,
|
|
|
|
enum pm_state_e pmstate);
|
2016-03-10 18:21:35 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Private Data
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static struct pm_callback_s g_ledscb =
|
|
|
|
{
|
|
|
|
.notify = led_pm_notify,
|
|
|
|
.prepare = led_pm_prepare,
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Private Functions
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: led_pm_notify
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Notify the driver of new power state. This callback is called after
|
|
|
|
* all drivers have had the opportunity to prepare for the new power state.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2016-03-27 19:18:44 +02:00
|
|
|
static void led_pm_notify(struct pm_callback_s *cb, int domain,
|
|
|
|
enum pm_state_e pmstate)
|
2016-03-10 18:21:35 +01:00
|
|
|
{
|
|
|
|
switch (pmstate)
|
|
|
|
{
|
|
|
|
case(PM_NORMAL):
|
|
|
|
{
|
|
|
|
/* Restore normal LEDs operation */
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case(PM_IDLE):
|
|
|
|
{
|
|
|
|
/* Entering IDLE mode - Turn leds off */
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case(PM_STANDBY):
|
|
|
|
{
|
|
|
|
/* Entering STANDBY mode - Logic for PM_STANDBY goes here */
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case(PM_SLEEP):
|
|
|
|
{
|
|
|
|
/* Entering SLEEP mode - Logic for PM_SLEEP goes here */
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
{
|
|
|
|
/* Should not get here */
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: led_pm_prepare
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Request the driver to prepare for a new power state. This is a warning
|
|
|
|
* that the system is about to enter into a new power state. The driver
|
|
|
|
* should begin whatever operations that may be required to enter power
|
|
|
|
* state. The driver may abort the state change mode by returning a
|
|
|
|
* non-zero value from the callback function.
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2016-03-27 19:18:44 +02:00
|
|
|
static int led_pm_prepare(struct pm_callback_s *cb, int domain,
|
|
|
|
enum pm_state_e pmstate)
|
2016-03-10 18:21:35 +01:00
|
|
|
{
|
|
|
|
/* No preparation to change power modes is required by the LEDs driver.
|
|
|
|
* We always accept the state change by returning OK.
|
|
|
|
*/
|
|
|
|
|
|
|
|
return OK;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Public Functions
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: board_userled_initialize
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
void board_userled_initialize(void)
|
|
|
|
{
|
|
|
|
/* Configure LD2 GPIO for output */
|
|
|
|
|
2018-01-16 14:20:41 +01:00
|
|
|
stm32l4_configgpio(GPIO_LD2);
|
2016-03-10 18:21:35 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: board_userled
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
void board_userled(int led, bool ledon)
|
|
|
|
{
|
2018-01-16 14:20:41 +01:00
|
|
|
if (led == BOARD_LD2)
|
2016-03-10 18:21:35 +01:00
|
|
|
{
|
2018-01-16 14:20:41 +01:00
|
|
|
stm32l4_gpiowrite(GPIO_LD2, ledon);
|
2016-03-10 18:21:35 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: board_userled_all
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
void board_userled_all(uint8_t ledset)
|
|
|
|
{
|
2018-01-16 14:20:41 +01:00
|
|
|
stm32l4_gpiowrite(GPIO_LD2, (ledset & BOARD_LD2_BIT) != 0);
|
2016-03-10 18:21:35 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
2019-04-29 14:53:59 +02:00
|
|
|
* Name: stm32l4_led_pminitialize
|
2016-03-10 18:21:35 +01:00
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2019-04-29 14:53:59 +02:00
|
|
|
void stm32l4_led_pminitialize(void)
|
2016-03-10 18:21:35 +01:00
|
|
|
{
|
|
|
|
/* Register to receive power management callbacks */
|
|
|
|
|
|
|
|
int ret = pm_register(&g_ledscb);
|
|
|
|
DEBUGASSERT(ret == OK);
|
|
|
|
UNUSED(ret);
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
|
|
|
#endif /* !CONFIG_ARCH_LEDS */
|