128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/****************************************************************************
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* boards/arm/lpc43xx/lpc4357-evb/src/lpc43_userleds.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 <arch/board/board.h>
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#include "chip.h"
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#include "arm_internal.h"
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#include "lpc4357-evb.h"
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#ifndef 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 not defined, then the LEDs are completely under
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* control of the application. The following interfaces are then available
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* for application control of the LEDs:
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*
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* uint32_t board_userled_initialize(void);
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* void board_userled(int led, bool ledon);
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* void board_userled_all(uint32_t ledset);
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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(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_userled_initialize
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****************************************************************************/
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uint32_t board_userled_initialize(void)
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{
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/* Configure LED pin as a GPIO outputs */
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led_dumppins("board_userled_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_userled_initialize() Exit");
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return BOARD_NLEDS;
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}
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/****************************************************************************
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* Name: board_userled
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****************************************************************************/
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void board_userled(int led, bool ledon)
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{
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if (led == BOARD_LED)
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{
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lpc43_gpio_write(GPIO_LED, !ledon);
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}
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}
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/****************************************************************************
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* Name: board_userled_all
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****************************************************************************/
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void board_userled_all(uint32_t ledset)
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{
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lpc43_gpio_write(GPIO_LED, (ledset & BOARD_LED_BIT) == 0);
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}
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#endif /* !CONFIG_ARCH_LEDS */
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