131 lines
5.0 KiB
C
131 lines
5.0 KiB
C
|
/*******************************************************************************
|
||
|
|
* include/nuttx/lcd/memlcd.h
|
||
|
|
* Common definitions for the Sharp Memory LCD driver
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
|
||
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in
|
||
|
|
* the documentation and/or other materials provided with the
|
||
|
|
* distribution.
|
||
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
||
|
|
* used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#ifndef __INCLUDE_NUTTX_MEMLCD_H
|
||
|
|
#define __INCLUDE_NUTTX_MEMLCD_H
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Included Files
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
# define EXTERN extern "C"
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#else
|
||
|
|
# define EXTERN extern
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Pre-processor Definitions
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Public Types
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/* A reference to a structure of this type must be passed to the initialization
|
||
|
|
* method. It provides some board-specific hooks used by driver to manage the
|
||
|
|
* timer and gpio (IRQ and DISP).
|
||
|
|
*
|
||
|
|
* Memory for this structure is provided by the caller. It is not copied
|
||
|
|
* by the driver and is presumed to persist while the driver is active.
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct memlcd_priv_s
|
||
|
|
{
|
||
|
|
/* IRQ/GPIO access callbacks. These operations all hidden behind
|
||
|
|
* callbacks to isolate the Memory LCD driver from differences in GPIO
|
||
|
|
* interrupt handling by varying boards and MCUs.
|
||
|
|
*
|
||
|
|
* irqattach - Attach the driver interrupt handler to the GPIO interrupt
|
||
|
|
* If isr is NULL, detach and disable it.
|
||
|
|
* dispcontrol - Enable or disable the DISP pin and EXTCOMIN interrupt.
|
||
|
|
* setpolarity - Board specified method to set EXTCOMIN.
|
||
|
|
* Needed only when CONFIG_MEMLCD_EXTCOMIN_MODE_HW is not set.
|
||
|
|
* setvcomfreq - Set timer frequency for EXTCOMIN.
|
||
|
|
*/
|
||
|
|
|
||
|
|
int (*attachirq) (xcpt_t isr);
|
||
|
|
void (*dispcontrol) (bool on);
|
||
|
|
#ifndef CONFIG_MEMLCD_EXTCOMIN_MODE_HW
|
||
|
|
void (*setpolarity) (bool pol);
|
||
|
|
#endif
|
||
|
|
void (*setvcomfreq) (unsigned int freq);
|
||
|
|
};
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Public Data
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Public Function Prototypes
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Name: memlcd_initialize
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
*
|
||
|
|
* Input Parameters:
|
||
|
|
*
|
||
|
|
* spi - A reference to the SPI driver instance.
|
||
|
|
* devno - A value in the range of 0 throuh CONFIG_MEMLCD_NINTERFACES-1.
|
||
|
|
* This allows support for multiple devices.
|
||
|
|
* memlcd_priv_s - Board specific structure
|
||
|
|
*
|
||
|
|
* Returned Value:
|
||
|
|
*
|
||
|
|
* On success, this function returns a reference to the LCD object for the
|
||
|
|
* specified LCD. NULL is returned on any failure.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
struct lcd_dev_s; /* see nuttx/lcd.h */
|
||
|
|
struct spi_dev_s; /* see nuttx/spi/spi.h */
|
||
|
|
FAR struct lcd_dev_s *memlcd_initialize(FAR struct spi_dev_s *spi,
|
||
|
|
FAR struct memlcd_priv_s *priv,
|
||
|
|
unsigned int devno);
|
||
|
|
|
||
|
|
#undef EXTERN
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __INCLUDE_NUTTX_MEMLCD_H */
|