210de35cb5
arm: sam & tiva: codestyle fixes
* arm: samd2l2: codestyle fixes
After the board restructuration is time for codestyle cleanup
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* arm: samd5e5: codestyle fixes
After the board restructuration is time for codestyle cleanup
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* arm: samv7: codestyle fixes
After the board restructuration is time for codestyle cleanup
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* arm: tiva: codestyle fixes
After the board restructuration is time for codestyle cleanup
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
300 lines
9.8 KiB
C
300 lines
9.8 KiB
C
/****************************************************************************
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* boards/arm/samd5e5/metro-m4/src/sam_autoleds.c
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* The Adafruit Metro M4 has four LEDs, but only two are controllable by
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* software:
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*
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* 1. The red LED on the Arduino D13 pin, and
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* 2. A NeoPixel RGB LED.
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*
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* Currently, only the red LED is supported.
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*
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* ------ ----------------- -----------
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* SHIELD SAMD5E5 FUNCTION
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* ------ ----------------- -----------
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* D13 PA16 GPIO output
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*
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* This LED is not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/sam_autoleds.c. The LEDs are used to encode
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* OS-related events as follows:
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*
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* ------------------- ---------------------------- ------
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* SYMBOL Meaning LED
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* ------------------- ---------------------------- ------
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*
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* LED_STARTED NuttX has been started OFF
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* LED_HEAPALLOCATE Heap has been allocated OFF
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* LED_IRQSENABLED Interrupts enabled OFF
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* LED_STACKCREATED Idle stack created ON
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* LED_INIRQ In an interrupt N/C
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* LED_SIGNAL In a signal handler N/C
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* LED_ASSERTION An assertion failed N/C
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* LED_PANIC The system has crashed FLASH
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* LED_IDLE MCU is is sleep mode Not used
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <nuttx/power/pm.h>
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#include "up_arch.h"
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#include "up_internal.h"
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#include "sam_port.h"
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#include "metro-m4.h"
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#include <arch/board/board.h>
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/* LED Power Management */
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#ifdef CONFIG_PM
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static void led_pm_notify(struct pm_callback_s *cb, int domain,
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enum pm_state_e pmstate);
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static int led_pm_prepare(struct pm_callback_s *cb, int domain,
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enum pm_state_e pmstate);
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef CONFIG_PM
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static struct pm_callback_s g_ledscb =
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{
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.notify = led_pm_notify,
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.prepare = led_pm_prepare,
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};
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: led_pm_notify
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*
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* Description:
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* Notify the driver of new power state. This callback is called after
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* all drivers have had the opportunity to prepare for the new power state.
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*
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****************************************************************************/
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#ifdef CONFIG_PM
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static void led_pm_notify(struct pm_callback_s *cb, int domain,
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enum pm_state_e pmstate)
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{
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switch (pmstate)
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{
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case(PM_NORMAL):
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{
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/* Restore normal LEDs operation */
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}
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break;
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case(PM_IDLE):
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{
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/* Entering IDLE mode - Turn leds off */
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}
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break;
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case(PM_STANDBY):
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{
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/* Entering STANDBY mode - Logic for PM_STANDBY goes here */
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}
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break;
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case(PM_SLEEP):
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{
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/* Entering SLEEP mode - Logic for PM_SLEEP goes here */
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}
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break;
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default:
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{
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/* Should not get here */
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}
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break;
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}
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}
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#endif
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/****************************************************************************
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* Name: led_pm_prepare
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*
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* Description:
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* Request the driver to prepare for a new power state. This is a warning
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* that the system is about to enter into a new power state. The driver
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* should begin whatever operations that may be required to enter power
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* state. The driver may abort the state change mode by returning a
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* non-zero value from the callback function.
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*
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****************************************************************************/
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#ifdef CONFIG_PM
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static int led_pm_prepare(struct pm_callback_s *cb, int domain,
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enum pm_state_e pmstate)
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{
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/* No preparation to change power modes is required by the LEDs driver.
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* We always accept the state change by returning OK.
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*/
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return OK;
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}
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_autoled_initialize
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****************************************************************************/
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void board_autoled_initialize(void)
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{
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(void)sam_portconfig(PORT_RED_LED);
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}
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/****************************************************************************
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* Name: board_autoled_on
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****************************************************************************/
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void board_autoled_on(int led)
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{
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bool ledstate = true;
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switch (led)
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{
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case 0: /* LED_STARTED: NuttX has been started STATUS LED=OFF
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* LED_HEAPALLOCATE: Heap has been allocated STATUS LED=OFF
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* LED_IRQSENABLED: Interrupts enabled STATUS LED=OFF
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*/
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break; /* Leave ledstate == true to turn OFF */
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default:
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case 2: /* LED_INIRQ: In an interrupt STATUS LED=N/C
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* LED_SIGNAL: In a signal handler STATUS LED=N/C
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* LED_ASSERTION: An assertion failed STATUS LED=N/C
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*/
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return; /* Return to leave STATUS LED unchanged */
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case 3: /* LED_PANIC: The system has crashed STATUS LED=FLASH */
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case 1: /* LED_STACKCREATED: Idle stack created STATUS LED=ON */
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ledstate = false; /* Set ledstate == false to turn ON */
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break;
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}
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sam_portwrite(PORT_RED_LED, ledstate);
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}
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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void board_autoled_off(int led)
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{
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switch (led)
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{
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/* These should not happen and are ignored */
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default:
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case 0: /* LED_STARTED: NuttX has been started STATUS LED=OFF
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* LED_HEAPALLOCATE: Heap has been allocated STATUS LED=OFF
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* LED_IRQSENABLED: Interrupts enabled STATUS LED=OFF
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*/
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case 1: /* LED_STACKCREATED: Idle stack created STATUS LED=ON */
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/* These result in no-change */
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case 2: /* LED_INIRQ: In an interrupt STATUS LED=N/C
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* LED_SIGNAL: In a signal handler STATUS LED=N/C
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* LED_ASSERTION: An assertion failed STATUS LED=N/C
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*/
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return; /* Return to leave STATUS LED unchanged */
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/* Turn STATUS LED off set driving the output high */
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case 3: /* LED_PANIC: The system has crashed STATUS LED=FLASH */
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sam_portwrite(PORT_RED_LED, true);
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break;
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}
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}
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/****************************************************************************
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* Name: sam_led_pminitialize
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*
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* Description:
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* Register LED power management features.
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*
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****************************************************************************/
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#ifdef CONFIG_PM
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void sam_led_pminitialize(void)
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{
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/* Register to receive power management callbacks */
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int ret = pm_register(&g_ledscb);
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if (ret != OK)
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{
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board_autoled_on(LED_ASSERTION);
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}
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}
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#endif /* CONFIG_PM */
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#endif /* CONFIG_ARCH_LEDS */
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