/**************************************************************************** * configs/lm3s6432-s2e/src/lm_leds.c * * Copyright (C) 2010, 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 "chip.h" #include "up_arch.h" #include "up_internal.h" #include "tiva_gpio.h" #include "lm3s6432-s2e.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG_FEATURES * with CONFIG_DEBUG_INFO too) */ #ifdef CONFIG_DEBUG_LEDS # define lederr llerr # define ledinfo llinfo #else # define lederr(x...) # define ledinfo(x...) #endif /* Dump GPIO registers */ #ifdef CONFIG_DEBUG_LEDS # define led_dumpgpio(m) tiva_dumpgpio(LED_GPIO, m) #else # define led_dumpgpio(m) #endif /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ static uint8_t g_nest; /**************************************************************************** * Name: board_autoled_initialize ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS void board_autoled_initialize(void) { ledinfo("Initializing\n"); /* Configure Port F, Bit 2 as an output, initial value=OFF */ led_dumpgpio("board_autoled_initialize before tiva_configgpio()"); tiva_configgpio(LED0_GPIO); tiva_configgpio(LED1_GPIO); led_dumpgpio("board_autoled_initialize after tiva_configgpio()"); g_nest = 0; } /**************************************************************************** * Name: board_autoled_on ****************************************************************************/ void board_autoled_on(int led) { switch (led) { case LED_STARTED: case LED_HEAPALLOCATE: default: break; case LED_INIRQ: case LED_SIGNAL: case LED_ASSERTION: case LED_PANIC: g_nest++; case LED_IRQSENABLED: case LED_STACKCREATED: led_dumpgpio("board_autoled_on: before tiva_gpiowrite()"); tiva_gpiowrite(LED1_GPIO, false); led_dumpgpio("board_autoled_on: after tiva_gpiowrite()"); break; } } /**************************************************************************** * Name: board_autoled_off ****************************************************************************/ void board_autoled_off(int led) { switch (led) { case LED_IRQSENABLED: case LED_STACKCREATED: case LED_STARTED: case LED_HEAPALLOCATE: default: break; case LED_INIRQ: case LED_SIGNAL: case LED_ASSERTION: case LED_PANIC: if (--g_nest <= 0) { led_dumpgpio("board_autoled_off: before tiva_gpiowrite()"); tiva_gpiowrite(LED1_GPIO, true); led_dumpgpio("board_autoled_off: after tiva_gpiowrite()"); } break; } } #endif /* CONFIG_ARCH_LEDS */