/**************************************************************************** * configs/nrf52-pca10040/src/lpc43_autoleds.c * * Copyright (C) 2018 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. * ****************************************************************************/ /* The PCA10040 has 4 user-controllable LEDs: * * LED MCU * LED1 PIN-17 * LED2 PIN-18 * LED3 PIN-19 * LED4 PIN-20 * * A low output illuminates the LED. */ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include "chip.h" #include "up_arch.h" #include "up_internal.h" #include "nrf52-pca10040.h" #ifdef CONFIG_ARCH_LEDS /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: led_dumppins ****************************************************************************/ #ifdef LED_VERBOSE static void led_dumppins(FAR const char *msg) { nrf52_pin_dump(PINCONFIG_LED, msg); nrf52_gpio_dump(GPIO_LED, msg); } #else # define led_dumppins(m) #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: board_autoled_initialize ****************************************************************************/ void board_autoled_initialize(void) { /* Configure LED pin as a GPIO outputs */ led_dumppins("board_autoled_initialize() Entry)"); nrf52_gpio_config(GPIO_LED1); nrf52_gpio_config(GPIO_LED2); nrf52_gpio_config(GPIO_LED3); nrf52_gpio_config(GPIO_LED4); led_dumppins("board_autoled_initialize() Exit"); } /**************************************************************************** * Name: board_autoled_on ****************************************************************************/ void board_autoled_on(int led) { switch (led) { default: case 0: nrf52_gpio_write(GPIO_LED1, 0); break; case 1: nrf52_gpio_write(GPIO_LED2, 0); break; case 2: nrf52_gpio_write(GPIO_LED3, 0); break; case 3: nrf52_gpio_write(GPIO_LED4, 0); break; } } /**************************************************************************** * Name: board_autoled_off ****************************************************************************/ void board_autoled_off(int led) { switch (led) { default: case 0: nrf52_gpio_write(GPIO_LED1, 1); break; case 1: nrf52_gpio_write(GPIO_LED2, 1); break; case 2: nrf52_gpio_write(GPIO_LED3, 1); break; case 3: nrf52_gpio_write(GPIO_LED4, 1); break; } } #endif /* CONFIG_ARCH_LEDS */