40cd67eee6
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
168 lines
4.9 KiB
C
168 lines
4.9 KiB
C
/****************************************************************************
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* boards/arm/lpc43xx/lpc4357-evb/src/lpc43_autoleds.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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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 <arch/board/board.h>
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#include "chip.h"
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#include "arm_arch.h"
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#include "arm_internal.h"
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#include "lpc4357-evb.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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/* LED definitions **********************************************************/
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/* The LPC4357-EVB has one user-controllable LED labelled D6 controlled by
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* the signal LED_3V3:
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*
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* ---- ------- -------------
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* LED SIGNAL MCU
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* ---- ------- -------------
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* D6 LED_3V3 PE_7 GPIO7[7]
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* ---- ------- -------------
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*
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* LED is grounded and a high output illuminates the LED.
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*
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* If CONFIG_ARCH_LEDS is defined, the LED will be controlled as follows
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* for NuttX debug functionality (where NC means "No Change").
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*
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* -------------------------- --------
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* LED
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* -------------------------- --------
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* LED_STARTED OFF
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* LED_HEAPALLOCATE OFF
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* LED_IRQSENABLED OFF
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* LED_STACKCREATED ON
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* LED_INIRQ NC
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* LED_SIGNAL NC
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* LED_ASSERTION NC
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* LED_PANIC Flashing
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* -------------------------- --------
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*/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: led_dumppins
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****************************************************************************/
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#ifdef LED_VERBOSE
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static void led_dumppins(FAR const char *msg)
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{
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lpc43_pin_dump(PINCONFIG_LED, msg);
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lpc43_gpio_dump(GPIO_LED, msg);
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}
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#else
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# define led_dumppins(m)
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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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/* Configure LED pin as a GPIO outputs */
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led_dumppins("board_autoled_initialize() Entry)");
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/* Configure LED pin as a GPIO, then configure GPIO as an outputs */
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lpc43_pin_config(PINCONFIG_LED);
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lpc43_gpio_config(GPIO_LED);
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led_dumppins("board_autoled_initialize() Exit");
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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 ledon = true; /* OFF. Low illuminates */
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switch (led)
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{
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default:
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case 0:
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break; /* LED OFF until state 1 */
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case 2:
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return; /* LED no change */
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case 1:
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case 3:
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ledon = false; /* LED ON. Low illuminates */
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break;
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}
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/* Turn LED on or off, depending on state */
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lpc43_gpio_write(GPIO_LED, ledon);
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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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default:
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case 0:
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case 1:
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case 3:
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break; /* LED OFF */
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case 2:
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return; /* LED no change */
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}
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/* LED OFF, Low illuminates */
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lpc43_gpio_write(GPIO_LED, true);
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}
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#endif /* CONFIG_ARCH_LEDS */
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