178 lines
5.3 KiB
C
178 lines
5.3 KiB
C
/****************************************************************************
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* boards/arm/lpc17xx_40xx/olimex-lpc1766stk/src/lpc17_40_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 <stdint.h>
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#include <stdbool.h>
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#include <assert.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 "lpc17_40_gpio.h"
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#include "lpc1766stk.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) lpc17_40_dumpgpio(LPC1766STK_LED1, 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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#ifdef CONFIG_ARCH_LEDS
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static bool g_uninitialized = true;
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#endif
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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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/****************************************************************************
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* Name: board_userled_initialize/board_autoled_initialize
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****************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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uint32_t board_userled_initialize(void) /* Name when invoked externally */
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#else
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void board_autoled_initialize(void) /* Name when invoked via lpc17_40_boot.c */
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#endif
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{
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/* Configure all LED GPIO lines */
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led_dumpgpio("board_*led_initialize() Entry)");
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lpc17_40_configgpio(LPC1766STK_LED1);
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lpc17_40_configgpio(LPC1766STK_LED2);
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led_dumpgpio("board_*led_initialize() Exit");
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#ifndef CONFIG_ARCH_LEDS
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return BOARD_NLEDS;
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#endif
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}
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/****************************************************************************
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* Name: board_userled
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****************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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void board_userled(int led, bool ledon)
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{
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if (led == BOARD_LED1)
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{
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lpc17_40_gpiowrite(LPC1766STK_LED1, !ledon);
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}
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else if (led == BOARD_LED2)
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{
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lpc17_40_gpiowrite(LPC1766STK_LED2, !ledon);
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}
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}
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#endif
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/****************************************************************************
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* Name: board_userled_all
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****************************************************************************/
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#ifndef CONFIG_ARCH_LEDS
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void board_userled_all(uint32_t ledset)
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{
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lpc17_40_gpiowrite(LPC1766STK_LED1, (ledset & BOARD_LED1_BIT) == 0);
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lpc17_40_gpiowrite(LPC1766STK_LED2, (ledset & BOARD_LED2_BIT) == 0);
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}
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#endif
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/****************************************************************************
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* Name: board_autoled_on
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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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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default:
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case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
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lpc17_40_gpiowrite(LPC1766STK_LED1, true);
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lpc17_40_gpiowrite(LPC1766STK_LED2, true);
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break;
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case 1 : /* STACKCREATED */
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lpc17_40_gpiowrite(LPC1766STK_LED1, false);
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lpc17_40_gpiowrite(LPC1766STK_LED2, true);
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g_uninitialized = false;
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break;
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case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
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lpc17_40_gpiowrite(LPC1766STK_LED2, false);
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break;
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case 3 : /* IDLE */
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lpc17_40_gpiowrite(LPC1766STK_LED1, true);
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break;
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}
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}
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#endif
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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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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default:
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case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
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case 1 : /* STACKCREATED */
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lpc17_40_gpiowrite(LPC1766STK_LED1, true);
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case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
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lpc17_40_gpiowrite(LPC1766STK_LED2, true);
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break;
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case 3 : /* IDLE */
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lpc17_40_gpiowrite(LPC1766STK_LED1, g_uninitialized);
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break;
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}
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}
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#endif
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