142 lines
5.9 KiB
C
Executable File
142 lines
5.9 KiB
C
Executable File
/****************************************************************************
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* include/nuttx/lcd/nokia6100.h
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* Application interface to the Nokia 6100 LCD display
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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#ifndef __INCLUDE_NUTTX_NOKIA6100_H
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#define __INCLUDE_NUTTX_NOKIA6100_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdbool.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Nokia 6100 Configuration Settings:
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*
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* CONFIG_NOKIA6100_SPIMODE - Controls the SPI mode
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* CONFIG_NOKIA6100_FREQUENCY - Define to use a different bus frequency
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* CONFIG_NOKIA6100_NINTERFACES - Specifies the number of physical Nokia
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* 6100 devices that will be supported.
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* CONFIG_NOKIA6100_BPP - Device supports 8, 12, and 16 bits per pixel.
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* CONFIG_NOKIA6100_S1D15G10 - Selects the Epson S1D15G10 display controller
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* CONFIG_NOKIA6100_PCF8833 - Selects the Phillips PCF8833 display controller
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* CONFIG_NOKIA6100_BLINIT - Initial backlight setting
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*
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* The following may need to be tuned for your hardware:
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* CONFIG_NOKIA6100_INVERT - Display inversion, 0 or 1, Default: 1
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* CONFIG_NOKIA6100_MY - Display row direction, 0 or 1, Default: 0
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* CONFIG_NOKIA6100_MX - Display column direction, 0 or 1, Default: 1
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* CONFIG_NOKIA6100_V - Display address direction, 0 or 1, Default: 0
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* CONFIG_NOKIA6100_ML - Display scan direction, 0 or 1, Default: 0
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* CONFIG_NOKIA6100_RGBORD - Display RGB order, 0 or 1, Default: 0
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*
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* Required LCD driver settings:
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* CONFIG_LCD_NOKIA6100 - Enable Nokia 6100 support
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* CONFIG_LCD_MAXCONTRAST - must be 63 with the Epson controller and 127 with
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* the Phillips controller.
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* CONFIG_LCD_MAXPOWER - Maximum value of backlight setting. The backlight
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* control is managed outside of the 6100 driver so this value has no
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* meaning to the driver. Board-specific logic may place restrictions on
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* this value.
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*/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/**************************************************************************************
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* Name: nokia_lcdinitialize
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*
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* Description:
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* Initialize the NOKIA6100 video hardware. The initial state of the LCD is fully
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* initialized, display memory cleared, and the LCD ready to use, but with the power
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* setting at 0 (full off == sleep mode).
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*
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* Input Parameters:
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*
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* spi - A reference to the SPI driver instance.
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* devno - A value in the range of 0 throuh CONFIG_NOKIA6100_NINTERFACES-1. This
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* allows support for multiple LCD devices.
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*
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* Returned Value:
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*
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* On success, this function returns a reference to the LCD object for the specified
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* LCD. NULL is returned on any failure.
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*
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**************************************************************************************/
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struct lcd_dev_s; /* see nuttx/lcd.h */
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struct spi_dev_s; /* see nuttx/spi.h */
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EXTERN FAR struct lcd_dev_s *nokia_lcdinitialize(FAR struct spi_dev_s *spi, unsigned int devno);
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/**************************************************************************************
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* Name: nokia_backlight
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*
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* Description:
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* The Nokia 6100 backlight is controlled by logic outside of the LCD assembly. This
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* function must be provided by board specific logic to manage the backlight. This
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* function will receive a power value (0: full off - CONFIG_LCD_MAXPOWER: full on)
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* and should set the backlight accordingly.
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*
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**************************************************************************************/
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EXTERN int nokia_backlight(unsigned int power);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_NUTTX_NOKIA6100_H */
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