/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsARMLPC24XX_lcd
*
* @brief LCD support.
*/
/*
* Copyright (c) 2010-2012 embedded brains GmbH. All rights reserved.
*
* 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.
*
* 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 LIBBSP_ARM_LPC24XX_LCD_H
#define LIBBSP_ARM_LPC24XX_LCD_H
#include <rtems.h>
#include <bsp/io.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup lpc_dma LCD Support
*
* @ingroup RTEMSBSPsARMLPC24XX
*
* @brief LCD support.
*
* @{
*/
typedef enum {
#ifdef ARM_MULTILIB_ARCH_V4
LCD_MODE_STN_4_BIT = 0,
LCD_MODE_STN_8_BIT,
LCD_MODE_STN_DUAL_PANEL_4_BIT,
LCD_MODE_STN_DUAL_PANEL_8_BIT,
LCD_MODE_TFT_12_BIT_4_4_4,
LCD_MODE_TFT_16_BIT_5_6_5,
LCD_MODE_TFT_16_BIT_1_5_5_5,
LCD_MODE_TFT_24_BIT,
LCD_MODE_DISABLED
#else
LCD_MODE_STN_4_BIT = 0x4,
LCD_MODE_STN_8_BIT = 0x6,
LCD_MODE_STN_DUAL_PANEL_4_BIT = 0x84,
LCD_MODE_STN_DUAL_PANEL_8_BIT = 0x86,
LCD_MODE_TFT_12_BIT_4_4_4 = 0x2e,
LCD_MODE_TFT_16_BIT_5_6_5 = 0x2c,
LCD_MODE_TFT_16_BIT_1_5_5_5 = 0x28,
LCD_MODE_TFT_24_BIT = 0x2a,
LCD_MODE_DISABLED = 0xff
#endif
} lpc24xx_lcd_mode;
/**
* @brief Set the LCD @a mode.
*
* The pins are configured according to @a pins.
*
* @see lpc24xx_pin_config().
*
* @retval RTEMS_SUCCESSFUL Successful operation.
* @retval RTEMS_IO_ERROR Invalid mode.
*/
rtems_status_code lpc24xx_lcd_set_mode(
lpc24xx_lcd_mode mode,
const lpc24xx_pin_range *pins
);
lpc24xx_lcd_mode lpc24xx_lcd_current_mode(void);
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_LPC24XX_LCD_H */