155 lines
5.7 KiB
C
155 lines
5.7 KiB
C
/****************************************************************************
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* include/nuttx/lcd/ug-9664hswag01.h
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*
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* Driver for the Univision UG-9664HSWAG01 Display with the Solomon Systech
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* SSD1305 LCD controller.
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*
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* Copyright (C) 2011-2012 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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#ifndef __INCLUDE_NUTTX_UG_9664HSWAG01_H
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#define __INCLUDE_NUTTX_UG_9664HSWAG01_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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/* UG-9664HSWAG01 Configuration Settings:
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*
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* CONFIG_UG9664HSWAG01_SPIMODE - Controls the SPI mode
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* CONFIG_UG9664HSWAG01_FREQUENCY - Define to use a different bus frequency
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* CONFIG_UG9664HSWAG01_NINTERFACES - Specifies the number of physical
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* UG-9664HSWAG01 devices that will be supported. NOTE: At present, this
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* must be undefined or defined to be 1.
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* CONFIG_UG9664HSWAG01_POWER
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* If the hardware supports a controllable OLED a power supply, this
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* configuration shold be defined. (See ug_power() below).
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*
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* Required LCD driver settings:
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* CONFIG_LCD_UG9664HSWAG01 - Enable UG-9664HSWAG01 support
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* CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
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* CONFIG_LCD_MAXPOWER should be 2: 0=off, 1=dim, 2=normal
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*
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* Required SPI driver settings:
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* CONFIG_SPI_CMDDATA - Include support for cmd/data selection.
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*/
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/* Some important "colors" */
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#define UG_Y1_BLACK 0
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#define UG_Y1_WHITE 1
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/* Only three power settings are supported: */
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#define UG_POWER_OFF 0
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#define UG_POWER_DIM 1
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#define UG_POWER_ON 2
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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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extern "C"
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{
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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: ug_initialize
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*
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* Description:
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* Initialize the UG-9664HSWAG01 video hardware. The initial state of the
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* OLED is fully initialized, display memory cleared, and the OLED ready
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* to use, but with the power 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 through CONFIG_UG9664HSWAG01_NINTERFACES-1.
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* This allows support for multiple OLED 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
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* the specified OLED. 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/spi.h */
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FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned int devno);
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/****************************************************************************
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* Name: ug_power
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*
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* Description:
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* If the hardware supports a controllable OLED a power supply, this
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* interface should be provided. It may be called by the driver to turn
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* the OLED power on and off as needed.
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*
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* Input Parameters:
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*
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* devno - A value in the range of 0 throuh CONFIG_UG9664HSWAG01_NINTERFACES-1.
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* This allows support for multiple OLED devices.
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* on - true:turn power on, false: turn power off.
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*
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* Returned Value:
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* None
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*
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**************************************************************************************/
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#ifdef CONFIG_UG9664HSWAG01_POWER
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void ug_power(unsigned int devno, bool on);
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#else
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# define ug_power(a,b)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_NUTTX_UG_9664HSWAG01_H */
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