/**************************************************************************** * configs/spark/src/stm32_userleds.c * * Copyright (C) 2011, 2013, 2015 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 #include "chip.h" #include "up_arch.h" #include "up_internal.h" #include "stm32.h" #include "spark.h" #ifndef CONFIG_ARCH_LEDS /**************************************************************************** * Private Data ****************************************************************************/ /* This array maps an LED number to GPIO pin configuration */ static uint32_t g_ledcfg[BOARD_NLEDS] = { GPIO_LED1, GPIO_LED2, GPIO_LED3, GPIO_LED4 }; /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: board_userled_initialize ****************************************************************************/ void board_userled_initialize(void) { /* Configure LED1-4 GPIOs for output */ stm32_configgpio(GPIO_LED1); stm32_configgpio(GPIO_LED2); stm32_configgpio(GPIO_LED3); stm32_configgpio(GPIO_LED4); } /**************************************************************************** * Name: board_userled ****************************************************************************/ void board_userled(int led, bool ledon) { if ((unsigned)led < BOARD_NLEDS) { bool active_low = (LED_ACTIVE_LOW & (1 << ledon)) != 0; stm32_gpiowrite(g_ledcfg[led], active_low ? !ledon : ledon); } } /**************************************************************************** * Name: board_userled_all * Description: * This function will be called to set the state of the Leds on the board * * Paramaters: * ledset: is a bit set of 1s for the LEDs to effect * led_states_set: a bit set of 1 for on 0 for off * N.B. The led_states_set terms are in true logic, the led polarity is * dealt herein * ****************************************************************************/ void board_userled_all(uint8_t ledset, uint8_t led_states_set) { led_states_set ^= LED_ACTIVE_LOW; if ((ledset & BOARD_USR_LED_BIT) == 0) { stm32_gpiowrite(GPIO_LED1, (led_states_set & BOARD_USR_LED_BIT) == 0); } if ((ledset & BOARD_RED_LED_BIT) == 0) { stm32_gpiowrite(GPIO_LED2, (led_states_set & BOARD_RED_LED_BIT) == 0); } if ((ledset & BOARD_BLUE_LED_BIT) == 0) { stm32_gpiowrite(GPIO_LED3, (led_states_set & BOARD_BLUE_LED_BIT) == 0); } if ((ledset & BOARD_GREEN_LED_BIT) == 0) { stm32_gpiowrite(GPIO_LED4, (led_states_set & BOARD_GREEN_LED_BIT) == 0); } } #endif /* !CONFIG_ARCH_LEDS */