143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/****************************************************************************
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* boards/arm/nrf52/nrf52-feather/src/nrf52_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 "nrf52-feather.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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/* 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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#define LED_ON 1
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#define LED_OFF 0
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/* This array maps an LED number to GPIO pin configuration */
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static const uint32_t g_ledcfg[BOARD_NLEDS] =
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{
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#if 0 < BOARD_NLEDS
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GPIO_LED1,
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#endif
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#if 1 < BOARD_NLEDS
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GPIO_LED2,
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#endif
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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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nrf52_pin_dump(PINCONFIG_LED, msg);
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nrf52_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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int i;
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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 GPIO as an outputs */
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for (i = 0; i < BOARD_NLEDS; i++)
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{
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nrf52_gpio_config(g_ledcfg[i]);
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}
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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 ((unsigned)led < BOARD_NLEDS)
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{
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nrf52_gpio_write(g_ledcfg[led], ledon ? LED_ON : LED_OFF);
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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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int i;
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/* Configure LED1-8 GPIOs for output */
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for (i = 0; i < BOARD_NLEDS; i++)
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{
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nrf52_gpio_write(g_ledcfg[i], (ledset & (1 << i)) ? LED_ON : LED_OFF);
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}
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}
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#endif /* !CONFIG_ARCH_LEDS */
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