/**************************************************************************** * * Copyright (C) 2012 PX4 Development Team. All rights reserved. * * 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 PX4 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. * ****************************************************************************/ /** * @file px4fmu_led.c * * PX4FMU LED backend. */ #include #include #include #include #include #include "chip.h" #include "up_arch.h" #include "up_internal.h" #include "stm32_internal.h" #include "px4fmu_internal.h" __EXPORT void up_ledinit() { /* Configure LED1-2 GPIOs for output */ stm32_configgpio(GPIO_LED1); stm32_configgpio(GPIO_LED2); } __EXPORT void up_ledon(int led) { if (led == 0) { /* Pull down to switch on */ stm32_gpiowrite(GPIO_LED1, false); } if (led == 1) { /* Pull down to switch on */ stm32_gpiowrite(GPIO_LED2, false); } } __EXPORT void up_ledoff(int led) { if (led == 0) { /* Pull up to switch off */ stm32_gpiowrite(GPIO_LED1, true); } if (led == 1) { /* Pull up to switch off */ stm32_gpiowrite(GPIO_LED2, true); } }