b99923d973
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5811 42af7a65-404d-4744-a932-0658087f49c3
97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/************************************************************************************
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* configs/open1788/src/lpc17_lcd.c
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* arch/arm/src/board/lpc17_lcd.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 "lpc17_lcd.h"
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#include "lpc17_gpio.h"
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#include "open1788.h"
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#ifdef CONFIG_LPC17_LCD
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/************************************************************************************
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* Definitions
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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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/************************************************************************************
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* Name: open1788_lcd_initialize
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*
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* Description:
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* Initialize the LCD. Setup backlight (initially off)
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*
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************************************************************************************/
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void open1788_lcd_initialize(void)
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{
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/* Configure the LCD backlight (and turn the backlight off) */
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lpc17_configgpio(GPIO_LCD_BL);
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}
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/************************************************************************************
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* Name: lpc17_backlight
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*
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* Description:
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* If CONFIG_LPC17_LCD_BACKLIGHT is defined, then the board-specific logic must
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* provide this interface to turn the backlight on and off.
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*
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************************************************************************************/
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#ifdef CONFIG_LPC17_LCD_BACKLIGHT
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void lpc17_backlight(bool blon)
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{
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lpc17_gpiowrite(GPIO_LCD_BL, blon);
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}
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#endif
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#endif /* CONFIG_LPC17_LCD */
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