/**************************************************************************** * boards/arm/stm32l4/stm32l476-mdk/src/sam_userleds.c * * Copyright (C) 2017 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include "stm32l4_gpio.h" #include "stm32l476-mdk.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: board_userled_initialize ****************************************************************************/ void board_userled_initialize(void) { #ifndef CONFIG_ARCH_LEDS /* Configure LED GPIOs for output */ stm32l4_configgpio(GPIO_LED_RED); stm32l4_configgpio(GPIO_LED_GREEN); stm32l4_configgpio(GPIO_LED_WHITE); #endif } /**************************************************************************** * Name: board_userled ****************************************************************************/ void board_userled(int led, bool ledon) { if (led == BOARD_RED_LED) { stm32l4_gpiowrite(GPIO_LED_RED, !ledon); /* Low illuminates */ } else if (led == BOARD_GREEN_LED) { stm32l4_gpiowrite(GPIO_LED_GREEN, !ledon); /* Low illuminates */ } #ifndef CONFIG_ARCH_LEDS else if (led == BOARD_WHITE_LED) { stm32l4_gpiowrite(GPIO_LED_WHITE, !ledon); /* Low illuminates */ } #endif } /**************************************************************************** * Name: board_userled_all ****************************************************************************/ void board_userled_all(uint8_t ledset) { /* Low illuminates */ stm32l4_gpiowrite(GPIO_LED_RED, (ledset & BOARD_RED_LED_BIT) == 0); stm32l4_gpiowrite(GPIO_LED_GREEN, (ledset & BOARD_GREEN_LED_BIT) == 0); #ifndef CONFIG_ARCH_LEDS stm32l4_gpiowrite(GPIO_LED_WHITE, (ledset & BOARD_WHITE_LED_BIT) == 0); #endif }