/**************************************************************************** * configs/eagle100/src/up_leds.c * arch/arm/src/board/up_leds.c * * Copyright (C) 2009 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 "chip.h" #include "up_arch.h" #include "up_internal.h" #include "lm3s_internal.h" /**************************************************************************** * Definitions ****************************************************************************/ /* Enables debug output from this file (needs CONFIG_DEBUG with * CONFIG_DEBUG_VERBOSE too) */ #undef LED_DEBUG /* Define to enable debug */ #ifdef LED_DEBUG # define leddbg lldbg # define ledvdbg llvdbg #else # define leddbg(x...) # define ledvdbg(x...) #endif /* Dump GPIO registers */ #ifdef LED_DEBUG # define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m) #else # define led_dumpgpio(m) #endif /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ static boolean g_nest; /**************************************************************************** * Name: up_ledinit ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS void up_ledinit(void) { leddbg("Initializing\n"); /* Configure Port E, Bit 1 as an output, initial value=OFF */ led_dumpgpio("up_ledinit before lm3s_configgpio()"); lm3s_configgpio(LED_GPIO); led_dumpgpio("up_ledinit after lm3s_configgpio()"); g_nest = 0; } /**************************************************************************** * Name: up_ledon ****************************************************************************/ void up_ledon(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("up_ledon: before lm3s_gpiowrite()"); lm3s_gpiowrite(LED_GPIO, FALSE); led_dumpgpio("up_ledon: after lm3s_gpiowrite()"); break; } } /**************************************************************************** * Name: up_ledoff ****************************************************************************/ void up_ledoff(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("up_ledoff: before lm3s_gpiowrite()"); lm3s_gpiowrite(LED_GPIO, TRUE); led_dumpgpio("up_ledoff: after lm3s_gpiowrite()"); } break; } } #endif /* CONFIG_ARCH_LEDS */