diff options
Diffstat (limited to 'nuttx/configs/ekk-lm3s9b96/src/up_leds.c')
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_leds.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_leds.c b/nuttx/configs/ekk-lm3s9b96/src/up_leds.c new file mode 100644 index 000000000..7838cedc1 --- /dev/null +++ b/nuttx/configs/ekk-lm3s9b96/src/up_leds.c @@ -0,0 +1,172 @@ +/**************************************************************************** + * configs/lm3s6965-ek/src/up_leds.c + * arch/arm/src/board/up_leds.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Jose Pablo Rojas V. <jrojas@nx-engineering.com> + * + * 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 <nuttx/config.h> + +#include <stdbool.h> +#include <debug.h> + +#include <arch/board/board.h> + +#include "chip.h" +#include "up_arch.h" +#include "up_internal.h" +#include "lm3s_internal.h" +#include "ekklm3s9b96_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 uint8_t g_nest; + +/**************************************************************************** + * Name: up_ledinit + ****************************************************************************/ + +#ifdef CONFIG_ARCH_LEDS +void up_ledinit(void) +{ + leddbg("Initializing\n"); + + /* Configure Port D, Bit 0 as an output, initial value=OFF */ + + led_dumpgpio("up_ledinit before lm3s_configgpio()"); + lm3s_configgpio(LED_GPIO); + lm3s_configgpio(LED0_GPIO); + lm3s_configgpio(LED1_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); + lm3s_gpiowrite(LED0_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); + lm3s_gpiowrite(LED0_GPIO, true); + led_dumpgpio("up_ledoff: after lm3s_gpiowrite()"); + } + break; + } +} + +#endif /* CONFIG_ARCH_LEDS */ |