nuttx/boards/arm/lpc43xx/lpc4370-link2/src/lpc43_autoleds.c
Alin Jerpelea 40cd67eee6 boards: arm: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-03-18 22:58:27 -07:00

134 lines
3.7 KiB
C

/****************************************************************************
* boards/arm/lpc43xx/lpc4370-link2/src/lpc43_autoleds.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include "chip.h"
#include "arm_arch.h"
#include "arm_internal.h"
#include "lpc4370-link2.h"
#ifdef CONFIG_ARCH_LEDS
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: led_dumppins
****************************************************************************/
#ifdef LED_VERBOSE
static void led_dumppins(FAR const char *msg)
{
lpc43_pin_dump(PINCONFIG_LED, msg);
lpc43_gpio_dump(GPIO_LED, msg);
}
#else
# define led_dumppins(m)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_autoled_initialize
****************************************************************************/
void board_autoled_initialize(void)
{
/* Configure LED pin as a GPIO outputs */
led_dumppins("board_autoled_initialize() Entry)");
/* Configure LED pin as a GPIO, then configure GPIO as an outputs */
lpc43_pin_config(PINCONFIG_LED);
lpc43_gpio_config(GPIO_LED);
led_dumppins("board_autoled_initialize() Exit");
}
/****************************************************************************
* Name: board_autoled_on
****************************************************************************/
void board_autoled_on(int led)
{
bool ledon = true; /* OFF. Low illuminates */
switch (led)
{
default:
case 0:
break; /* LED OFF until state 1 */
case 2:
return; /* LED no change */
case 1:
case 3:
ledon = false; /* LED ON. Low illuminates */
break;
}
/* Turn LED on or off, depending on state */
lpc43_gpio_write(GPIO_LED, ledon);
}
/****************************************************************************
* Name: board_autoled_off
****************************************************************************/
void board_autoled_off(int led)
{
switch (led)
{
default:
case 0:
case 1:
case 3:
break; /* LED OFF */
case 2:
return; /* LED no change */
}
/* LED OFF, Low illuminates */
lpc43_gpio_write(GPIO_LED, true);
}
#endif /* CONFIG_ARCH_LEDS */