127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/****************************************************************************
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* boards/arm/stm32/nucleo-f429zi/src/stm32_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 <stdbool.h>
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#include <debug.h>
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#include <sys/param.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "stm32_gpio.h"
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#include "nucleo-144.h"
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#ifndef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* This array maps an LED number to GPIO pin configuration and is indexed by
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* BOARD_LED_<color>
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*/
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static const uint32_t g_ledcfg[BOARD_NLEDS] =
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{
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GPIO_LED_GREEN,
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GPIO_LED_BLUE,
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GPIO_LED_RED,
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};
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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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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the
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* board_userled_initialize() is available to initialize the LED from user
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* application logic.
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*
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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 LED1-3 GPIOs for output */
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for (i = 0; i < nitems(g_ledcfg); i++)
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{
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stm32_configgpio(g_ledcfg[i]);
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}
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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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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the board_userled() is
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* available to control the LED from user application logic.
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*
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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 < nitems(g_ledcfg))
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{
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stm32_gpiowrite(g_ledcfg[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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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the board_userled_all()
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* is available to control the LED from user application logic.
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* NOTE: since there is only a single LED on-board, this is function
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* is not very useful.
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*
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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 LED1-3 GPIOs for output */
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for (i = 0; i < nitems(g_ledcfg); i++)
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{
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stm32_gpiowrite(g_ledcfg[i], (ledset & (1 << i)) != 0);
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}
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}
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#endif /* !CONFIG_ARCH_LEDS */
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