139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
/****************************************************************************
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* boards/arm/tiva/lm3s6432-s2e/src/lm_leds.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "arm_internal.h"
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#include "tiva_gpio.h"
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#include "lm3s6432-s2e.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Dump GPIO registers */
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#ifdef CONFIG_DEBUG_LEDS_INFO
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# define led_dumpgpio(m) tiva_dumpgpio(LED_GPIO, m)
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#else
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# define led_dumpgpio(m)
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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static uint8_t g_nest;
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/****************************************************************************
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* Name: board_autoled_initialize
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void board_autoled_initialize(void)
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{
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ledinfo("Initializing\n");
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/* Configure Port F, Bit 2 as an output, initial value=OFF */
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led_dumpgpio("board_autoled_initialize before tiva_configgpio()");
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tiva_configgpio(LED0_GPIO);
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tiva_configgpio(LED1_GPIO);
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led_dumpgpio("board_autoled_initialize after tiva_configgpio()");
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g_nest = 0;
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}
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/****************************************************************************
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* Name: board_autoled_on
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****************************************************************************/
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void board_autoled_on(int led)
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{
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switch (led)
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{
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case LED_STARTED:
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case LED_HEAPALLOCATE:
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default:
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break;
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case LED_INIRQ:
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case LED_SIGNAL:
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case LED_ASSERTION:
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case LED_PANIC:
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g_nest++;
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case LED_IRQSENABLED:
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case LED_STACKCREATED:
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led_dumpgpio("board_autoled_on: before tiva_gpiowrite()");
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tiva_gpiowrite(LED1_GPIO, false);
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led_dumpgpio("board_autoled_on: after tiva_gpiowrite()");
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break;
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}
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}
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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void board_autoled_off(int led)
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{
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switch (led)
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{
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case LED_IRQSENABLED:
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case LED_STACKCREATED:
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case LED_STARTED:
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case LED_HEAPALLOCATE:
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default:
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break;
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case LED_INIRQ:
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case LED_SIGNAL:
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case LED_ASSERTION:
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case LED_PANIC:
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if (--g_nest <= 0)
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{
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led_dumpgpio("board_autoled_off: before tiva_gpiowrite()");
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tiva_gpiowrite(LED1_GPIO, true);
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led_dumpgpio("board_autoled_off: after tiva_gpiowrite()");
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}
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break;
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}
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}
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#endif /* CONFIG_ARCH_LEDS */
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