Support for the MIO283QT9A LCD from Toby Duckworth
This commit is contained in:
Gregory Nutt
parent
0070815e87
commit
a9b01d5824
@ -6566,3 +6566,7 @@
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cursor (2014-2-10).
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* drivers/usbhost/usbhost_hidmouse.c, include/nuttx/input/mouse.h, and
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include/nuttx/usb/hid.h: Add support for a mouse wheel (2014-2-10).
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* drivers/lcd/mio283qt9a.c and include/nuttx/lcd/mio283qt9a.h: Support
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for the MIO283QT9A LCD. From Toby Duckworth (2014-2-10).
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* configs/mikroe-stm32f4/src/up_mio283qt9a.c: The Mikroe STM32F4 can
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now support the newer MIO283QT9A LCD. From Toby Duckworth (2014-2-10).
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@ -94,6 +94,10 @@ ifeq ($(CONFIG_LCD_MIO283QT2),y)
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CSRCS += up_mio283qt2.c
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endif
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ifeq ($(CONFIG_LCD_MIO283QT9A),y)
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CSRCS += up_mio283qt9a.c
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endif
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ifeq ($(CONFIG_VS1053),y)
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CSRCS += up_vs1053.c
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endif
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@ -250,7 +250,7 @@ void weak_function stm32_usbinitialize(void);
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*
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****************************************************************************************************/
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#ifdef CONFIG_LCD_MIO283QT2
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#if defined(CONFIG_LCD_MIO283QT2) || defined(CONFIG_LCD_MIO283QT9A)
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void stm32_lcdinitialize(void);
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#endif
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@ -263,7 +263,7 @@ void stm32_lcdinitialize(void);
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*
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****************************************************************************************************/
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#ifdef CONFIG_LCD_MIO283QT2
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#if defined(CONFIG_LCD_MIO283QT2) || defined(CONFIG_LCD_MIO283QT9A)
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int up_lcdinitialize(void);
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#endif
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@ -79,7 +79,7 @@ void stm32_boardinitialize(void)
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/* Configure GPIOs for controlling the LCD */
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#ifdef CONFIG_LCD_MIO283QT2
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#if defined(CONFIG_LCD_MIO283QT2) || defined(CONFIG_LCD_MIO283QT9A)
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stm32_lcdinitialize();
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#endif
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562
configs/mikroe-stm32f4/src/up_mio283qt9a.c
Normal file
562
configs/mikroe-stm32f4/src/up_mio283qt9a.c
Normal file
@ -0,0 +1,562 @@
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/**************************************************************************************
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* configs/mikroe-stm32f4/src/up_mio283qt9a.c
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*
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* Interface definition for the MI0283QT-9A LCD from Multi-Inno Technology Co., Ltd.
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* LCD is based on the Ilitek ILI9341 LCD controller.
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*
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* Copyright (C) 2012-2014 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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*
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* Modified: 2013-2014 by Ken Pettit to support Mikroe-STM32F4 board.
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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 <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/lcd/lcd.h>
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#include <nuttx/lcd/mio283qt9a.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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#include "stm32.h"
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#include "stm32_gpio.h"
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#include "mikroe-stm32f4-internal.h"
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#ifdef CONFIG_LCD_MIO283QT9A
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/**************************************************************************************
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* Pre-processor Definitions
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**************************************************************************************/
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/* Configuration **********************************************************************/
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/* Define CONFIG_DEBUG_LCD to enable detailed LCD debug output. Verbose debug must
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* also be enabled.
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*/
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#ifndef CONFIG_DEBUG
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# undef CONFIG_DEBUG_VERBOSE
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# undef CONFIG_DEBUG_GRAPHICS
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# undef CONFIG_DEBUG_LCD
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#endif
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#ifndef CONFIG_DEBUG_VERBOSE
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# undef CONFIG_DEBUG_LCD
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#endif
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/* Mikroe-STM32F4 Hardware Definitions ************************************************/
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/* --- ---------------------------------- -------------------- ------------------------
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* PIN CONFIGURATIONS SIGNAL NAME ON-BOARD CONNECTIONS
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* (Family Data Sheet Table 1-1) (PIC32MX7 Schematic)
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* --- ---------------------------------- -------------------- ------------------------
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* 39 PE8 LCD_RST TFT display
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* 46 PE15 LCD-CS# TFT display
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* 40 PE9 LCD_BLED LCD backlight LED
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* 43 PE12 LCD-RS TFT display
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*
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*
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* 97 RE0 T_D0 TFT display
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* 98 RE1 T_D1 TFT display
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* 1 RE2 T_D2 TFT display
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* 2 RE3 T_D3 TFT display
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* 3 RE4 T_D4 TFT display
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* 4 RE5 T_D5 TFT display
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* 5 RE6 T_D6 TFT display
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* 38 RE7 T_D7 TFT display
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*
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* 41 PE10 PMPRD
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* 42 RE11 PMPWR
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*
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* TOUCHSCREEN PIN CONFIGURATIONS
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* PIN CONFIGURATIONS SIGNAL NAME ON-BOARD CONNECTIONS
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* --- ---------------------------------- -------------------- ------------------------
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* 35 PB0 LCD-YD TFT display
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* ? LCD-XR TFT display
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* ? LCD-YU TFT display
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* 36 PB1 LCD-XL TFT display
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* 95 PB8 DRIVEA TFT display
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* 96 PB9 DRIVEB TFT display
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*/
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/* Debug ******************************************************************************/
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#ifdef CONFIG_DEBUG_LCD
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# define lcddbg dbg
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# define lcdvdbg vdbg
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#else
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# define lcddbg(x...)
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# define lcdvdbg(x...)
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#endif
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/**************************************************************************************
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* Private Type Definition
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**************************************************************************************/
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struct stm32f4_dev_s
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{
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struct mio283qt9a_lcd_s dev; /* The externally visible part of the driver */
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bool grammode; /* true=Writing to GRAM (16-bit write vs 8-bit) */
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bool firstread; /* First GRAM read? */
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FAR struct lcd_dev_s *drvr; /* The saved instance of the LCD driver */
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};
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/**************************************************************************************
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* Private Function Protototypes
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**************************************************************************************/
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/* Low Level LCD access */
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static void stm32_select(FAR struct mio283qt9a_lcd_s *dev);
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static void stm32_deselect(FAR struct mio283qt9a_lcd_s *dev);
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static void stm32_index(FAR struct mio283qt9a_lcd_s *dev, uint8_t index);
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#if !defined(CONFIG_MIO283QT2_WRONLY) && CONFIG_LCD_NOGETRUN != 1
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static uint16_t stm32_read(FAR struct mio283qt9a_lcd_s *dev);
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#endif
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static void stm32_write(FAR struct mio283qt9a_lcd_s *dev, uint16_t data);
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static void stm32_backlight(FAR struct mio283qt9a_lcd_s *dev, int power);
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/**************************************************************************************
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* Private Data
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**************************************************************************************/
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/* This is the driver state structure (there is no retained state information) */
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static struct stm32f4_dev_s g_stm32f4_lcd =
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{
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{
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.select = stm32_select,
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.deselect = stm32_deselect,
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.index = stm32_index,
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#if !defined(CONFIG_MIO283QT2_WRONLY) && CONFIG_LCD_NOGETRUN != 1
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.read = stm32_read,
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#endif
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.write = stm32_write,
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.backlight = stm32_backlight
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}
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};
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static uint32_t * volatile g_portsetreset = (uint32_t *) STM32_GPIOE_BSRR;
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/**************************************************************************************
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* Private Functions
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**************************************************************************************/
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/**************************************************************************************
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* Name: stm32_tinydelay
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*
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* Description:
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* Delay for a few hundred NS.
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*
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**************************************************************************************/
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static void stm32_tinydelay(void)
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{
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volatile uint8_t x = 0;
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for (x = 1; x > 0; x--)
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;
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}
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/**************************************************************************************
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* Name: stm32_command
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*
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* Description:
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* Configure to write an LCD command
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*
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**************************************************************************************/
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static inline void stm32_command(void)
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{
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uint32_t * volatile portsetreset = (uint32_t *) STM32_GPIOE_BSRR;
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/* Low selects command */
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*portsetreset = (1 << LCD_RS_PIN) << 16;
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}
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/**************************************************************************************
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* Name: stm32_data
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*
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* Description:
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* Configure to read or write LCD data
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*
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**************************************************************************************/
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static inline void stm32_data(void)
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{
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/* Hi selects data */
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*g_portsetreset = 1 << LCD_RS_PIN;
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}
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/**************************************************************************************
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* Name: stm32_select
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*
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* Description:
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* Select the LCD device
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*
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**************************************************************************************/
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static void stm32_select(FAR struct mio283qt9a_lcd_s *dev)
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{
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/* CS low selects */
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*g_portsetreset = (1 << LCD_CS_PIN) << 16;
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}
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/**************************************************************************************
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* Name: stm32_deselect
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*
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* Description:
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* De-select the LCD device
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*
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**************************************************************************************/
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static void stm32_deselect(FAR struct mio283qt9a_lcd_s *dev)
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{
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/* CS high de-selects */
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*g_portsetreset = 1 << LCD_CS_PIN;
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}
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/**************************************************************************************
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* Name: stm32_index
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*
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* Description:
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* Set the index register
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*
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**************************************************************************************/
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static void stm32_index(FAR struct mio283qt9a_lcd_s *dev, uint8_t index)
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{
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FAR struct stm32f4_dev_s *priv = (FAR struct stm32f4_dev_s *)dev;
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/* Setup to write in command mode (vs data mode) */
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stm32_command();
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/* Write the index register to the 8-bit GPIO pin bus. We are violating the
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* datasheet here a little by driving the WR pin low at the same time as
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* the data, but the fact is that all ASIC logic will latch on the rising
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* edge of WR anyway, not the falling edge. We are just shaving off a few
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* cycles every time this routine is called, which will be fairly often.
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*/
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*g_portsetreset = index | ((uint8_t) (~index) << 16) |
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((1 << LCD_PMPWR_PIN) << 16);
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/* Record if we are accessing GRAM or not (16 vs 8 bit accesses)
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* NOTE. This also serves as a delay between WR low to WR high
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* transition.
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*/
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priv->grammode = index == 0x2c;
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priv->firstread = true;
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/* Now raise the WR line */
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*g_portsetreset = (1 << LCD_PMPWR_PIN);
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/* Back to data mode to read/write the data */
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stm32_data();
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}
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/**************************************************************************************
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* Name: stm32_read
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*
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* Description:
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* Read LCD data (GRAM data or register contents)
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*
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**************************************************************************************/
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#if !defined(CONFIG_MIO283QT2_WRONLY) && CONFIG_LCD_NOGETRUN != 1
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static uint16_t stm32_read(FAR struct mio283qt9a_lcd_s *dev)
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{
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FAR struct stm32f4_dev_s *priv = (FAR struct stm32f4_dev_s *)dev;
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uint32_t * volatile portsetreset = (uint32_t *) STM32_GPIOE_BSRR;
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uint32_t * volatile portmode = (uint32_t *) STM32_GPIOE_MODER;
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uint32_t * volatile portinput = (uint32_t *) STM32_GPIOE_IDR;
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uint16_t data;
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/* Set the I/O Port to input mode. Ugly, but fast. */
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*portmode &= 0xFFFF0000;
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/* Read the data */
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*portsetreset = (1 << LCD_PMPRD_PIN) << 16;
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stm32_tinydelay();
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data = *portinput & 0x00FF;
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*portsetreset = (1 << LCD_PMPRD_PIN);
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/* Test if a 16-bit read is needed (GRAM mode) */
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if (priv->grammode)
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{
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/* If this is the 1st GRAM read, then discard the dummy byte */
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if (priv->firstread)
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{
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priv->firstread = false;
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*portsetreset = (1 << LCD_PMPRD_PIN) << 16;
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stm32_tinydelay();
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data = *portinput;
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*portsetreset = (1 << LCD_PMPRD_PIN);
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}
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/* Okay, a 16-bit read is actually a 24-bit read from the LCD.
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* this is because the read color format of the MIO283QT-2 is a bit
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* different than the 16-bit write color format. During a read,
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* the R,G and B samples are read on subsequent bytes, and the
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* data is MSB aligned. We must re-construct the 16-bit 565 data.
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*/
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/* Clip RED sample to 5-bits and shit to MSB */
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data = (data & 0xF8) << 8;
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/* Now read Green sample */
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*portsetreset = (1 << LCD_PMPRD_PIN) << 16;
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stm32_tinydelay();
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data |= (*portinput & 0x00FC) << 3;
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*portsetreset = (1 << LCD_PMPRD_PIN);
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/* Now read Blue sample */
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*portsetreset = (1 << LCD_PMPRD_PIN) << 16;
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stm32_tinydelay();
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data |= (*portinput & 0x00F8) >> 3;
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*portsetreset = (1 << LCD_PMPRD_PIN);
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}
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/* Put the port back in output mode. Ugly, but fast. */
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*portmode |= 0x00005555;
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return data;
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}
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#endif
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/**************************************************************************************
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* Name: stm32_write
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*
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* Description:
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* Write LCD data (GRAM data or register contents)
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*
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**************************************************************************************/
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static void stm32_write(FAR struct mio283qt9a_lcd_s *dev, uint16_t data)
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{
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FAR struct stm32f4_dev_s *priv = (FAR struct stm32f4_dev_s *)dev;
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/* Write the data register to the 8-bit GPIO pin bus. We are violating the
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* datasheet here a little by driving the WR pin low at the same time as
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* the data, but the fact is that all ASIC logic will latch on the rising
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* edge of WR anyway, not the falling edge. We are just shaving off a few
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* cycles every time this routine is called, which will be fairly often.
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*/
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if (priv->grammode)
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{
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/* Need to write 16-bit pixel data (16 BPP). Write the upper pixel data first */
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*g_portsetreset = ((data>>8) & 0xFF) | (((~data>>8) & 0xFF) << 16) |
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((1 << LCD_PMPWR_PIN) << 16);
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stm32_tinydelay();
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*g_portsetreset = (1 << LCD_PMPWR_PIN);
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}
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/* Now write the lower 8-bit of data */
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*g_portsetreset = (data & 0xFF) | ((~data & 0xFF) << 16) |
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((1 << LCD_PMPWR_PIN) << 16);
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stm32_tinydelay();
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*g_portsetreset = (1 << LCD_PMPWR_PIN);
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}
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/**************************************************************************************
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* Name: stm32_backlight
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*
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* Description:
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* Set the backlight power level.
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*
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**************************************************************************************/
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static void stm32_backlight(FAR struct mio283qt9a_lcd_s *dev, int power)
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{
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/* For now, we just control the backlight as a discrete. Pulse width modulation
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* would be required to vary the backlight level. A low value turns the backlight
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* off.
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*/
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stm32_gpiowrite(GPIO_LCD_BLED, power > 0);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Functions
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: stm32_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD. This function should be called early in the boot
|
||||
* sequendce -- Even if the LCD is not enabled. In that case we should
|
||||
* at a minimum at least disable the LCD backlight.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
void stm32_lcdinitialize(void)
|
||||
{
|
||||
/* Configure all LCD discrete controls. LCD will be left in this state:
|
||||
* 1. Held in reset,
|
||||
* 2. Not selected,
|
||||
* 3. Backlight off,
|
||||
* 4. Command selected.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT9A
|
||||
stm32_configgpio(GPIO_LCD_RST);
|
||||
stm32_configgpio(GPIO_LCD_CS);
|
||||
stm32_configgpio(GPIO_LCD_BLED);
|
||||
stm32_gpiowrite(GPIO_LCD_BLED, false);
|
||||
stm32_configgpio(GPIO_LCD_RS);
|
||||
stm32_configgpio(GPIO_LCD_PMPWR);
|
||||
stm32_configgpio(GPIO_LCD_PMPRD);
|
||||
|
||||
/* Configure PE0-7 for output */
|
||||
|
||||
stm32_configgpio(GPIO_LCD_T_D0);
|
||||
stm32_configgpio(GPIO_LCD_T_D1);
|
||||
stm32_configgpio(GPIO_LCD_T_D2);
|
||||
stm32_configgpio(GPIO_LCD_T_D3);
|
||||
stm32_configgpio(GPIO_LCD_T_D4);
|
||||
stm32_configgpio(GPIO_LCD_T_D5);
|
||||
stm32_configgpio(GPIO_LCD_T_D6);
|
||||
stm32_configgpio(GPIO_LCD_T_D7);
|
||||
|
||||
#else
|
||||
/* Just configure the backlight control as an output and turn off the
|
||||
* backlight for now.
|
||||
*/
|
||||
|
||||
stm32_configgpio(GPIO_LCD_BLED);
|
||||
#endif
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD video hardware. The initial state of the LCD is fully
|
||||
* initialized, display memory cleared, and the LCD ready to use, but with the power
|
||||
* setting at 0 (full off).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
int up_lcdinitialize(void)
|
||||
{
|
||||
/* Only initialize the driver once. NOTE: The LCD GPIOs were already configured
|
||||
* by stm32_lcdinitialize.
|
||||
*/
|
||||
|
||||
if (!g_stm32f4_lcd.drvr)
|
||||
{
|
||||
lcdvdbg("Initializing\n");
|
||||
|
||||
/* Hold the LCD in reset (active low) */
|
||||
|
||||
stm32_gpiowrite(GPIO_LCD_RST, false);
|
||||
|
||||
/* Bring the LCD out of reset */
|
||||
|
||||
up_mdelay(5);
|
||||
stm32_gpiowrite(GPIO_LCD_RST, true);
|
||||
|
||||
/* Configure and enable the LCD */
|
||||
|
||||
up_mdelay(50);
|
||||
g_stm32f4_lcd.drvr = mio283qt9a_lcdinitialize(&g_stm32f4_lcd.dev);
|
||||
if (!g_stm32f4_lcd.drvr)
|
||||
{
|
||||
lcddbg("ERROR: mio283qt9a_lcdinitialize failed\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
/* Turn the display off */
|
||||
|
||||
g_stm32f4_lcd.drvr->setpower(g_stm32f4_lcd.drvr, 0);
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcdgetdev
|
||||
*
|
||||
* Description:
|
||||
* Return a a reference to the LCD object for the specified LCD. This allows support
|
||||
* for multiple LCD devices.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
FAR struct lcd_dev_s *up_lcdgetdev(int lcddev)
|
||||
{
|
||||
DEBUGASSERT(lcddev == 0);
|
||||
return g_stm32f4_lcd.drvr;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcduninitialize
|
||||
*
|
||||
* Description:
|
||||
* Uninitialize the LCD support
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
void up_lcduninitialize(void)
|
||||
{
|
||||
/* Turn the display off */
|
||||
|
||||
g_stm32f4_lcd.drvr->setpower(g_stm32f4_lcd.drvr, 0);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_LCD_MIO283QT9A */
|
||||
@ -356,7 +356,7 @@ int nsh_archinitialize(void)
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT2
|
||||
#if defined(CONFIG_LCD_MIO283QT2) || defined(CONFIG_LCD_MIO283QT9A)
|
||||
/* Configure the TFT LCD module */
|
||||
|
||||
message("nsh_archinitialize: Initializing TFT LCD module\n");
|
||||
|
||||
@ -67,6 +67,10 @@ ifeq ($(CONFIG_LCD_MIO283QT2),y)
|
||||
CSRCS += mio283qt2.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_LCD_MIO283QT9A),y)
|
||||
CSRCS += mio283qt9a.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_LCD_ST7567),y)
|
||||
CSRCS += st7567.c
|
||||
endif
|
||||
|
||||
908
drivers/lcd/mio283qt9a.c
Normal file
908
drivers/lcd/mio283qt9a.c
Normal file
@ -0,0 +1,908 @@
|
||||
/**************************************************************************************
|
||||
* drivers/lcd/mio283qt9a.c
|
||||
*
|
||||
* This is a driver for the MI0283QT-9A LCD from Multi-Inno Technology Co., Ltd. This
|
||||
* LCD is based on the Ilitek ILI9341 LCD controller.
|
||||
*
|
||||
* Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
|
||||
* Authors: 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.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Included Files
|
||||
**************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/spi/spi.h>
|
||||
#include <nuttx/lcd/lcd.h>
|
||||
#include <nuttx/lcd/mio283qt9a.h>
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT9A
|
||||
|
||||
/**************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
**************************************************************************************/
|
||||
/* Configuration **********************************************************************/
|
||||
|
||||
/* Check contrast selection */
|
||||
|
||||
#if !defined(CONFIG_LCD_MAXCONTRAST)
|
||||
# define CONFIG_LCD_MAXCONTRAST 1
|
||||
#endif
|
||||
|
||||
/* Check power setting */
|
||||
|
||||
#if !defined(CONFIG_LCD_MAXPOWER) || CONFIG_LCD_MAXPOWER < 1
|
||||
# define CONFIG_LCD_MAXPOWER 1
|
||||
#endif
|
||||
|
||||
#if CONFIG_LCD_MAXPOWER > 255
|
||||
# error "CONFIG_LCD_MAXPOWER must be less than 256 to fit in uint8_t"
|
||||
#endif
|
||||
|
||||
/* Check orientation */
|
||||
|
||||
#if defined(CONFIG_LCD_PORTRAIT)
|
||||
# if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE) || defined(CONFIG_LCD_RPORTRAIT)
|
||||
# error "Cannot define both portrait and any other orientations"
|
||||
# endif
|
||||
#elif defined(CONFIG_LCD_RPORTRAIT)
|
||||
# if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# error "Cannot define both rportrait and any other orientations"
|
||||
# endif
|
||||
#elif defined(CONFIG_LCD_LANDSCAPE)
|
||||
# ifdef CONFIG_LCD_RLANDSCAPE
|
||||
# error "Cannot define both landscape and any other orientations"
|
||||
# endif
|
||||
#elif !defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# define CONFIG_LCD_LANDSCAPE 1
|
||||
#endif
|
||||
|
||||
/* Define CONFIG_DEBUG_LCD to enable detailed LCD debug output. Verbose debug must
|
||||
* also be enabled.
|
||||
*/
|
||||
|
||||
#ifndef CONFIG_DEBUG
|
||||
# undef CONFIG_DEBUG_VERBOSE
|
||||
# undef CONFIG_DEBUG_GRAPHICS
|
||||
# undef CONFIG_DEBUG_LCD
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_DEBUG_VERBOSE
|
||||
# undef CONFIG_DEBUG_LCD
|
||||
#endif
|
||||
|
||||
/* Display/Color Properties ***********************************************************/
|
||||
/* Display Resolution */
|
||||
|
||||
#if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# define MIO283QT9A_XRES 320
|
||||
# define MIO283QT9A_YRES 240
|
||||
#else
|
||||
# define MIO283QT9A_XRES 240
|
||||
# define MIO283QT9A_YRES 320
|
||||
#endif
|
||||
|
||||
/* Color depth and format */
|
||||
|
||||
#define MIO283QT9A_BPP 16
|
||||
#define MIO283QT9A_COLORFMT FB_FMT_RGB16_565
|
||||
|
||||
/* Hardware LCD/LCD controller definitions ********************************************/
|
||||
/* In this driver, I chose to use all literal constants for register address and
|
||||
* values. Some recent experiences have shown me that during LCD bringup, it is more
|
||||
* important to know the binary values rather than nice, people friendly names. Sad,
|
||||
* but true.
|
||||
*/
|
||||
|
||||
#define ILI9341_ID_1 0x93
|
||||
#define ILI9341_ID_2 0x41
|
||||
|
||||
/* Debug ******************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_LCD
|
||||
# define lcddbg dbg
|
||||
# define lcdvdbg vdbg
|
||||
#else
|
||||
# define lcddbg(x...)
|
||||
# define lcdvdbg(x...)
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Type Definition
|
||||
**************************************************************************************/
|
||||
|
||||
/* This structure describes the state of this driver */
|
||||
|
||||
struct mio283qt9a_dev_s
|
||||
{
|
||||
/* Publicly visible device structure */
|
||||
|
||||
struct lcd_dev_s dev;
|
||||
|
||||
/* Private LCD-specific information follows */
|
||||
|
||||
FAR struct mio283qt9a_lcd_s *lcd; /* The contained platform-specific, LCD interface */
|
||||
uint8_t power; /* Current power setting */
|
||||
|
||||
/* This is working memory allocated by the LCD driver for each LCD device
|
||||
* and for each color plane. This memory will hold one raster line of data.
|
||||
* The size of the allocated run buffer must therefore be at least
|
||||
* (bpp * xres / 8). Actual alignment of the buffer must conform to the
|
||||
* bitwidth of the underlying pixel type.
|
||||
*
|
||||
* If there are multiple planes, they may share the same working buffer
|
||||
* because different planes will not be operate on concurrently. However,
|
||||
* if there are multiple LCD devices, they must each have unique run buffers.
|
||||
*/
|
||||
|
||||
uint16_t runbuffer[MIO283QT9A_XRES];
|
||||
};
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Function Prototypes
|
||||
**************************************************************************************/
|
||||
/* Low Level LCD access */
|
||||
|
||||
static void mio283qt9a_putreg(FAR struct mio283qt9a_lcd_s *lcd, uint8_t regaddr,
|
||||
uint16_t regval);
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
static uint16_t mio283qt9a_readreg(FAR struct mio283qt9a_lcd_s *lcd, uint8_t regaddr);
|
||||
#endif
|
||||
static inline void mio283qt9a_gramwrite(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
uint16_t rgbcolor);
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
static inline void mio283qt9a_readsetup(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
FAR uint16_t *accum);
|
||||
static inline uint16_t mio283qt9a_gramread(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
FAR uint16_t *accum);
|
||||
#endif
|
||||
static void mio283qt9a_setarea(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
|
||||
|
||||
/* LCD Data Transfer Methods */
|
||||
|
||||
static int mio283qt9a_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer,
|
||||
size_t npixels);
|
||||
static int mio283qt9a_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer,
|
||||
size_t npixels);
|
||||
|
||||
/* LCD Configuration */
|
||||
|
||||
static int mio283qt9a_getvideoinfo(FAR struct lcd_dev_s *dev,
|
||||
FAR struct fb_videoinfo_s *vinfo);
|
||||
static int mio283qt9a_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno,
|
||||
FAR struct lcd_planeinfo_s *pinfo);
|
||||
|
||||
/* LCD RGB Mapping */
|
||||
|
||||
#ifdef CONFIG_FB_CMAP
|
||||
# error "RGB color mapping not supported by this driver"
|
||||
#endif
|
||||
|
||||
/* Cursor Controls */
|
||||
|
||||
#ifdef CONFIG_FB_HWCURSOR
|
||||
# error "Cursor control not supported by this driver"
|
||||
#endif
|
||||
|
||||
/* LCD Specific Controls */
|
||||
|
||||
static int mio283qt9a_getpower(FAR struct lcd_dev_s *dev);
|
||||
static int mio283qt9a_setpower(FAR struct lcd_dev_s *dev, int power);
|
||||
static int mio283qt9a_getcontrast(FAR struct lcd_dev_s *dev);
|
||||
static int mio283qt9a_setcontrast(FAR struct lcd_dev_s *dev, unsigned int contrast);
|
||||
|
||||
/* Initialization */
|
||||
|
||||
static inline int mio283qt9a_hwinitialize(FAR struct mio283qt9a_dev_s *priv);
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Data
|
||||
**************************************************************************************/
|
||||
|
||||
/* This driver can support only a signal MIO283QT9A device. This is due to an
|
||||
* unfortunate decision made when the getrun and putrun methods were designed. The
|
||||
* following is the single MIO283QT9A driver state instance:
|
||||
*/
|
||||
|
||||
static struct mio283qt9a_dev_s g_lcddev;
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Functions
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_putreg
|
||||
*
|
||||
* Description:
|
||||
* Write to an LCD register
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void mio283qt9a_putreg(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
uint8_t regaddr, uint16_t regval)
|
||||
{
|
||||
/* Set the index register to the register address and write the register contents */
|
||||
|
||||
lcd->index(lcd, regaddr);
|
||||
lcd->write(lcd, regval);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_readreg
|
||||
*
|
||||
* Description:
|
||||
* Read from an LCD register
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
static uint16_t mio283qt9a_readreg(FAR struct mio283qt9a_lcd_s *lcd, uint8_t regaddr)
|
||||
{
|
||||
/* Set the index register to the register address and read the register contents. */
|
||||
|
||||
lcd->index(lcd, regaddr);
|
||||
return lcd->read(lcd);
|
||||
}
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_gramselect
|
||||
*
|
||||
* Description:
|
||||
* Setup to read or write multiple pixels to the GRAM memory
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static inline void mio283qt9a_gramselect(FAR struct mio283qt9a_lcd_s *lcd)
|
||||
{
|
||||
lcd->index(lcd, 0x2c);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_gramwrite
|
||||
*
|
||||
* Description:
|
||||
* Setup to read or write multiple pixels to the GRAM memory
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static inline void mio283qt9a_gramwrite(FAR struct mio283qt9a_lcd_s *lcd, uint16_t data)
|
||||
{
|
||||
lcd->write(lcd, data);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_readsetup
|
||||
*
|
||||
* Description:
|
||||
* Prime the operation by reading one pixel from the GRAM memory if necessary for
|
||||
* this LCD type. When reading 16-bit gram data, there may be some shifts in the
|
||||
* returned data:
|
||||
*
|
||||
* - ILI932x: Discard first dummy read; no shift in the return data
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
static inline void mio283qt9a_readsetup(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
FAR uint16_t *accum)
|
||||
{
|
||||
#if 0 /* Probably not necessary... untested */
|
||||
/* Read-ahead one pixel */
|
||||
|
||||
*accum = lcd->read(lcd);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_gramread
|
||||
*
|
||||
* Description:
|
||||
* Read one correctly aligned pixel from the GRAM memory. Possibly shifting the
|
||||
* data and possibly swapping red and green components.
|
||||
*
|
||||
* - ILI932x: Unknown -- assuming colors are in the color order
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
static inline uint16_t mio283qt9a_gramread(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
FAR uint16_t *accum)
|
||||
{
|
||||
/* Read the value (GRAM register already selected) */
|
||||
|
||||
return lcd->read(lcd);
|
||||
}
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_setarea
|
||||
*
|
||||
* Description:
|
||||
* Set the cursor position. In landscape mode, the "column" is actually the physical
|
||||
* Y position and the "row" is the physical X position.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void mio283qt9a_setarea(FAR struct mio283qt9a_lcd_s *lcd,
|
||||
uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
|
||||
{
|
||||
//lcddbg("setarea x0=%d, y0=%d, x1=%d, y1=%d\n", x0, y0, x1, y1);
|
||||
|
||||
mio283qt9a_putreg(lcd, 0x2a, (x0 >> 8)); /* set column address x0 */
|
||||
lcd->write(lcd, (x0 & 0xff)); /* set x0 */
|
||||
lcd->write(lcd, (x1 >> 8)); /* set x1 */
|
||||
lcd->write(lcd, (x1 & 0xff)); /* set x1 */
|
||||
mio283qt9a_putreg(lcd, 0x2b, (y0 >> 8)); /* set page address y0 */
|
||||
lcd->write(lcd, (y0 & 0xff)); /* set y0 */
|
||||
lcd->write(lcd, (y1 >> 8)); /* set y1 */
|
||||
lcd->write(lcd, (y1 & 0xff)); /* set y1 */
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_dumprun
|
||||
*
|
||||
* Description:
|
||||
* Dump the contexts of the run buffer:
|
||||
*
|
||||
* run - The buffer in containing the run read to be dumped
|
||||
* npixels - The number of pixels to dump
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#if 0 /* Sometimes useful */
|
||||
static void mio283qt9a_dumprun(FAR const char *msg, FAR uint16_t *run, size_t npixels)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
|
||||
syslog("\n%s:\n", msg);
|
||||
for (i = 0; i < npixels; i += 16)
|
||||
{
|
||||
up_putc(' ');
|
||||
syslog(" ");
|
||||
for (j = 0; j < 16; j++)
|
||||
{
|
||||
syslog(" %04x", *run++);
|
||||
}
|
||||
|
||||
up_putc('\n');
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_putrun
|
||||
*
|
||||
* Description:
|
||||
* This method can be used to write a partial raster line to the LCD:
|
||||
*
|
||||
* row - Starting row to write to (range: 0 <= row < yres)
|
||||
* col - Starting column to write to (range: 0 <= col <= xres-npixels)
|
||||
* buffer - The buffer containing the run to be written to the LCD
|
||||
* npixels - The number of pixels to write to the LCD
|
||||
* (range: 0 < npixels <= xres-col)
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer,
|
||||
size_t npixels)
|
||||
{
|
||||
FAR struct mio283qt9a_dev_s *priv = &g_lcddev;
|
||||
FAR struct mio283qt9a_lcd_s *lcd = priv->lcd;
|
||||
FAR const uint16_t *src = (FAR const uint16_t*)buffer;
|
||||
int i;
|
||||
|
||||
/* Buffer must be provided and aligned to a 16-bit address boundary */
|
||||
|
||||
//lcdvdbg("row: %d col: %d npixels: %d\n", row, col, npixels);
|
||||
DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0);
|
||||
|
||||
/* Select the LCD */
|
||||
|
||||
lcd->select(lcd);
|
||||
|
||||
/* Write the run to GRAM. */
|
||||
|
||||
mio283qt9a_setarea(lcd, col, row, col + npixels - 1, row);
|
||||
mio283qt9a_gramselect(lcd);
|
||||
|
||||
src++;
|
||||
for (i = 0; i < npixels; i++)
|
||||
{
|
||||
mio283qt9a_gramwrite(lcd, *src);
|
||||
src++;
|
||||
}
|
||||
|
||||
/* De-select the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_getrun
|
||||
*
|
||||
* Description:
|
||||
* This method can be used to read a partial raster line from the LCD:
|
||||
*
|
||||
* row - Starting row to read from (range: 0 <= row < yres)
|
||||
* col - Starting column to read read (range: 0 <= col <= xres-npixels)
|
||||
* buffer - The buffer in which to return the run read from the LCD
|
||||
* npixels - The number of pixels to read from the LCD
|
||||
* (range: 0 < npixels <= xres-col)
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer,
|
||||
size_t npixels)
|
||||
{
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
FAR struct mio283qt9a_dev_s *priv = &g_lcddev;
|
||||
FAR struct mio283qt9a_lcd_s *lcd = priv->lcd;
|
||||
FAR uint16_t *dest = (FAR uint16_t*)buffer;
|
||||
uint16_t accum;
|
||||
int i;
|
||||
|
||||
/* Buffer must be provided and aligned to a 16-bit address boundary */
|
||||
|
||||
lcdvdbg("row: %d col: %d npixels: %d\n", row, col, npixels);
|
||||
DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0);
|
||||
|
||||
/* Read the run from GRAM. */
|
||||
|
||||
/* Select the LCD */
|
||||
|
||||
lcd->select(lcd);
|
||||
|
||||
/* Red the run fram GRAM. */
|
||||
|
||||
mio283qt9a_setarea(lcd, col, row, col + npixels - 1, row);
|
||||
mio283qt9a_gramselect(lcd);
|
||||
|
||||
/* Prime the pump for unaligned read data */
|
||||
|
||||
mio283qt9a_readsetup(lcd, &accum);
|
||||
|
||||
for (i = 0; i < npixels; i++)
|
||||
{
|
||||
*dest++ = mio283qt9a_gramread(lcd, &accum);
|
||||
}
|
||||
|
||||
/* De-select the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
return OK;
|
||||
#else
|
||||
return -ENOSYS;
|
||||
#endif
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_getvideoinfo
|
||||
*
|
||||
* Description:
|
||||
* Get information about the LCD video controller configuration.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_getvideoinfo(FAR struct lcd_dev_s *dev,
|
||||
FAR struct fb_videoinfo_s *vinfo)
|
||||
{
|
||||
DEBUGASSERT(dev && vinfo);
|
||||
lcdvdbg("fmt: %d xres: %d yres: %d nplanes: 1\n",
|
||||
MIO283QT9A_COLORFMT, MIO283QT9A_XRES, MIO283QT9A_YRES);
|
||||
|
||||
vinfo->fmt = MIO283QT9A_COLORFMT; /* Color format: RGB16-565: RRRR RGGG GGGB BBBB */
|
||||
vinfo->xres = MIO283QT9A_XRES; /* Horizontal resolution in pixel columns */
|
||||
vinfo->yres = MIO283QT9A_YRES; /* Vertical resolution in pixel rows */
|
||||
vinfo->nplanes = 1; /* Number of color planes supported */
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_getplaneinfo
|
||||
*
|
||||
* Description:
|
||||
* Get information about the configuration of each LCD color plane.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno,
|
||||
FAR struct lcd_planeinfo_s *pinfo)
|
||||
{
|
||||
FAR struct mio283qt9a_dev_s *priv = (FAR struct mio283qt9a_dev_s *)dev;
|
||||
|
||||
DEBUGASSERT(dev && pinfo && planeno == 0);
|
||||
lcdvdbg("planeno: %d bpp: %d\n", planeno, MIO283QT9A_BPP);
|
||||
|
||||
pinfo->putrun = mio283qt9a_putrun; /* Put a run into LCD memory */
|
||||
pinfo->getrun = mio283qt9a_getrun; /* Get a run from LCD memory */
|
||||
pinfo->buffer = (uint8_t*)priv->runbuffer; /* Run scratch buffer */
|
||||
pinfo->bpp = MIO283QT9A_BPP; /* Bits-per-pixel */
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_getpower
|
||||
*
|
||||
* Description:
|
||||
* Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER: full on). On
|
||||
* backlit LCDs, this setting may correspond to the backlight setting.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_getpower(FAR struct lcd_dev_s *dev)
|
||||
{
|
||||
lcdvdbg("getpower: %d\n", 0);
|
||||
return g_lcddev.power;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_poweroff
|
||||
*
|
||||
* Description:
|
||||
* Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER: full on). On
|
||||
* backlit LCDs, this setting may correspond to the backlight setting.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_poweroff(FAR struct mio283qt9a_lcd_s *lcd)
|
||||
{
|
||||
/* Select the LCD */
|
||||
lcdvdbg("mio283qt9a_poweroff\n");
|
||||
|
||||
lcd->select(lcd);
|
||||
|
||||
/* Set the backlight off */
|
||||
|
||||
lcd->backlight(lcd, 0);
|
||||
|
||||
/* Turn the display off */
|
||||
|
||||
mio283qt9a_putreg(lcd, 0x28, 0x0000); /* GON=0, DTE=0, D=0 */
|
||||
|
||||
/* Deselect the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
|
||||
/* Remember the power off state */
|
||||
|
||||
g_lcddev.power = 0;
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_setpower
|
||||
*
|
||||
* Description:
|
||||
* Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER: full on). On
|
||||
* backlit LCDs, this setting may correspond to the backlight setting.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_setpower(FAR struct lcd_dev_s *dev, int power)
|
||||
{
|
||||
FAR struct mio283qt9a_dev_s *priv = (FAR struct mio283qt9a_dev_s *)dev;
|
||||
FAR struct mio283qt9a_lcd_s *lcd = priv->lcd;
|
||||
|
||||
lcdvdbg("setpower: %d\n", power);
|
||||
DEBUGASSERT((unsigned)power <= CONFIG_LCD_MAXPOWER);
|
||||
|
||||
/* Set new power level */
|
||||
|
||||
if (power > 0)
|
||||
{
|
||||
/* Select the LCD */
|
||||
|
||||
lcd->select(lcd);
|
||||
|
||||
/* Set the backlight level */
|
||||
|
||||
lcd->backlight(lcd, power);
|
||||
|
||||
/* Then turn the display on: */
|
||||
|
||||
mio283qt9a_putreg(lcd, 0x29, 0x00); /* GON=1, DTE=1, D=2 */
|
||||
|
||||
/* Deselect the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
|
||||
/* Remember the power on state */
|
||||
|
||||
g_lcddev.power = power;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Turn the display off */
|
||||
|
||||
mio283qt9a_poweroff(lcd);
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_getcontrast
|
||||
*
|
||||
* Description:
|
||||
* Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_getcontrast(FAR struct lcd_dev_s *dev)
|
||||
{
|
||||
lcdvdbg("Not implemented\n");
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_setcontrast
|
||||
*
|
||||
* Description:
|
||||
* Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static int mio283qt9a_setcontrast(FAR struct lcd_dev_s *dev, unsigned int contrast)
|
||||
{
|
||||
lcdvdbg("contrast: %d\n", contrast);
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_hwinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD hardware.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static inline int mio283qt9a_hwinitialize(FAR struct mio283qt9a_dev_s *priv)
|
||||
{
|
||||
FAR struct mio283qt9a_lcd_s *lcd = priv->lcd;
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
uint16_t id_a;
|
||||
uint16_t id_b;
|
||||
uint16_t id_c;
|
||||
uint16_t id_d;
|
||||
uint16_t id_e;
|
||||
#endif
|
||||
int ret;
|
||||
|
||||
/* Select the LCD */
|
||||
|
||||
lcd->select(lcd);
|
||||
|
||||
/* Read the HIMAX ID registger (0x00) */
|
||||
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
id_a = mio283qt9a_readreg(lcd, 0xd3);
|
||||
id_b = lcd->read(lcd);
|
||||
id_c = lcd->read(lcd);
|
||||
id_d = lcd->read(lcd);
|
||||
|
||||
lcdvdbg("LCD ID: %04x %04x %04x %04x\n", id_a, id_b, id_c, id_d);
|
||||
|
||||
/* Check if the ID is for the ILI9341 */
|
||||
|
||||
if (id_c == ILI9341_ID_1 && id_d == ILI9341_ID_2)
|
||||
#endif
|
||||
{
|
||||
mio283qt9a_putreg(lcd, 0x29, 0); /* Power on */
|
||||
|
||||
mio283qt9a_putreg(lcd, 0x13, 0); /* Normal display on */
|
||||
mio283qt9a_putreg(lcd, 0xc0, 0x28); /* Power control C1 */
|
||||
mio283qt9a_putreg(lcd, 0xc1, 0x01); /* Power control C2 BT = 1 */
|
||||
mio283qt9a_putreg(lcd, 0xc5, 0x24); /* VCOM control, VMH = 3.6v */
|
||||
lcd->write(lcd, 0x25); /* VML = -1.575v */
|
||||
mio283qt9a_putreg(lcd, 0x26, 0x01); /* Gamma 2.2 */
|
||||
mio283qt9a_putreg(lcd, 0x3a, 0x55); /* Pixel format set command */
|
||||
|
||||
#if defined(CONFIG_LCD_LANDSCAPE)
|
||||
mio283qt9a_putreg(lcd, 0x36, 0x0028); /* MY=1, MX=0, MV=1, ML=0, BGR=1 */
|
||||
#elif defined(CONFIG_LCD_PORTRAIT)
|
||||
mio283qt9a_putreg(lcd, 0x36, 0x0008); /* MY=0, MX=0, MV=0, ML=0, BGR=1 */
|
||||
#elif defined(CONFIG_LCD_RLANDSCAPE)
|
||||
mio283qt9a_putreg(lcd, 0x36, 0x0068); /* MY=0, MX=1, MV=1, ML=0, BGR=1 */
|
||||
#elif defined(CONFIG_LCD_RPORTRAIT)
|
||||
mio283qt9a_putreg(lcd, 0x36, 0x00c8); /* MY=1, MX=0, MV=1, ML=0, BGR=1 */
|
||||
#endif
|
||||
|
||||
/* Window setting */
|
||||
|
||||
mio283qt9a_setarea(lcd, 0, 0, (MIO283QT9A_XRES-1), (MIO283QT9A_YRES-1));
|
||||
mio283qt9a_putreg(lcd, 0x11, 0); /* Sleep out mode */
|
||||
up_mdelay(25);
|
||||
|
||||
/* Read back some info from the panel */
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x04); /* Read display information */
|
||||
id_b = lcd->read(lcd);
|
||||
id_c = lcd->read(lcd);
|
||||
id_d = lcd->read(lcd);
|
||||
lcdvdbg("LCD man ID: %02x, version: %02x, driver ID: %02x\n", id_b, id_c, id_d);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x09); /* Read display status */
|
||||
id_b = lcd->read(lcd);
|
||||
id_c = lcd->read(lcd);
|
||||
id_d = lcd->read(lcd);
|
||||
id_e = lcd->read(lcd);
|
||||
lcdvdbg("Display status %02x, %02x, %02x, %02x, %02x\n", id_a, id_b, id_c, id_d, id_e);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0a); /* Read power status */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("Power status %02x, %02x\n", id_a, id_b);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0b); /* Read MADCTL */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("MADCTL %02x, %02x\n", id_a, id_b);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0c); /* Read pixel format */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("Pixel format %02x, %02x\n", id_a, id_b);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0d); /* Read image format */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("Image format %02x, %02x\n", id_a, id_b);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0e); /* read signal mode */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("Signal mode %02x, %02x\n", id_a, id_b);
|
||||
|
||||
id_a = mio283qt9a_readreg(lcd, 0x0f); /* read self diag */
|
||||
id_b = lcd->read(lcd);
|
||||
lcdvdbg("Self diag %02x, %02x\n", id_a, id_b);
|
||||
ret = OK;
|
||||
}
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
else
|
||||
{
|
||||
lcddbg("Unsupported LCD type\n");
|
||||
ret = -ENODEV;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* De-select the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*************************************************************************************
|
||||
* Public Functions
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD video hardware. The initial state of the LCD is fully
|
||||
* initialized, display memory cleared, and the LCD ready to use, but with the power
|
||||
* setting at 0 (full off).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
FAR struct lcd_dev_s *mio283qt9a_lcdinitialize(FAR struct mio283qt9a_lcd_s *lcd)
|
||||
{
|
||||
FAR struct mio283qt9a_dev_s *priv;
|
||||
int ret;
|
||||
|
||||
lcdvdbg("Initializing\n");
|
||||
|
||||
/* If we could support multiple MIO283QT9A devices, this is where we would allocate
|
||||
* a new driver data structure... but we can't. Why not? Because of a bad should
|
||||
* the form of the getrun() and putrun methods.
|
||||
*/
|
||||
|
||||
priv = &g_lcddev;
|
||||
|
||||
/* Initialize the driver data structure */
|
||||
|
||||
priv->dev.getvideoinfo = mio283qt9a_getvideoinfo;
|
||||
priv->dev.getplaneinfo = mio283qt9a_getplaneinfo;
|
||||
priv->dev.getpower = mio283qt9a_getpower;
|
||||
priv->dev.setpower = mio283qt9a_setpower;
|
||||
priv->dev.getcontrast = mio283qt9a_getcontrast;
|
||||
priv->dev.setcontrast = mio283qt9a_setcontrast;
|
||||
priv->lcd = lcd;
|
||||
|
||||
/* Configure and enable LCD */
|
||||
|
||||
ret = mio283qt9a_hwinitialize(priv);
|
||||
if (ret == OK)
|
||||
{
|
||||
/* Clear the display (setting it to the color 0=black) */
|
||||
|
||||
mio283qt9a_clear(&priv->dev, 0x0000);
|
||||
|
||||
/* Turn the display off */
|
||||
|
||||
mio283qt9a_poweroff(lcd);
|
||||
return &g_lcddev.dev;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt9a_clear
|
||||
*
|
||||
* Description:
|
||||
* This is a non-standard LCD interface just for the stm3240g-EVAL board. Because
|
||||
* of the various rotations, clearing the display in the normal way by writing a
|
||||
* sequences of runs that covers the entire display can be very slow. Here the
|
||||
* display is cleared by simply setting all GRAM memory to the specified color.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
void mio283qt9a_clear(FAR struct lcd_dev_s *dev, uint16_t color)
|
||||
{
|
||||
FAR struct mio283qt9a_dev_s *priv = (FAR struct mio283qt9a_dev_s *)dev;
|
||||
FAR struct mio283qt9a_lcd_s *lcd = priv->lcd;
|
||||
uint32_t i;
|
||||
|
||||
/* Select the LCD and set the drawring area */
|
||||
|
||||
lcd->select(lcd);
|
||||
mio283qt9a_setarea(lcd, 0, 0, (MIO283QT9A_XRES-1), (MIO283QT9A_YRES-1));
|
||||
|
||||
/* Prepare to write GRAM data */
|
||||
|
||||
mio283qt9a_gramselect(lcd);
|
||||
|
||||
/* Copy color into all of GRAM. Orientation does not matter in this case. */
|
||||
|
||||
for (i = 0; i < MIO283QT9A_XRES * MIO283QT9A_YRES; i++)
|
||||
{
|
||||
mio283qt9a_gramwrite(lcd, color);
|
||||
}
|
||||
|
||||
/* De-select the LCD */
|
||||
|
||||
lcd->deselect(lcd);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_LCD_MIO283QT9A */
|
||||
150
include/nuttx/lcd/mio283qt9a.h
Normal file
150
include/nuttx/lcd/mio283qt9a.h
Normal file
@ -0,0 +1,150 @@
|
||||
/**************************************************************************************
|
||||
* include/nuttx/lcd/mio283qt9a.h
|
||||
*
|
||||
* Interface definition for the MI0283QT-9A LCD from Multi-Inno Technology Co., Ltd.
|
||||
* This LCD is based on the Ilitek ILI9341 LCD controller.
|
||||
|
||||
* Copyright (C) 2012, 2014 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_LCD_MIO283QT9A_H
|
||||
#define __INCLUDE_NUTTX_LCD_MIO283QT9A_H
|
||||
|
||||
/**************************************************************************************
|
||||
* Included Files
|
||||
**************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT9A
|
||||
|
||||
/**************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
**************************************************************************************/
|
||||
/* Configuration **********************************************************************/
|
||||
/* CONFIG_LCD_MIO283QT9A - Enables support for the MIO283QT2-based LCD.
|
||||
* CONFIG_LCD_NOGETRUN
|
||||
* NX components need to know if it can read from the LCD or not. If reading from the
|
||||
* LCD is supported then some graphic operations can be improved. Default: Supported
|
||||
* CONFIG_LCD_LANDSCAPE - Define for 320x240 display "landscape" support. Default is
|
||||
* this 320x240 "landscape" orientation.
|
||||
* CONFIG_LCD_RLANDSCAPE - Define for 320x240 display "reverse landscape" support.
|
||||
* Default is this 320x240 "landscape" orientation
|
||||
* CONFIG_LCD_PORTRAIT - Define for 240x320 display "portrait" orientation support.
|
||||
* Default is this 320x240 "landscape" orientation
|
||||
* CONFIG_LCD_RPORTRAIT - Define for 240x320 display "reverse portrait" orientation
|
||||
* support. Default is this 320x240 "landscape" orientation
|
||||
*/
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Types
|
||||
**************************************************************************************/
|
||||
|
||||
/* This structure defines the interface to the LCD provided by the platform. The
|
||||
* nature of this interface is hidden from the MIO283QT2 driver.
|
||||
*/
|
||||
|
||||
struct mio283qt9a_lcd_s
|
||||
{
|
||||
/* Interface to write to a MIO283QT2 register.
|
||||
*
|
||||
* - select Select the device (as necessary). The meaning of selecting (and
|
||||
* and deselecting) is not defined. select() will be called before
|
||||
* starting any sequence of operations. deselect() when that sequence
|
||||
* of operations is complete.
|
||||
* - deselect Deselect the device (as necessary)
|
||||
* - index Set register index
|
||||
* - read Read data from the LCD (auto-incrementing)
|
||||
* - write Write data to the LCD (auto-incrementing)
|
||||
* - backlight Set the backlight power level (0=OFF; CONFIG_LCD_MAXPOWER=MAX)
|
||||
*/
|
||||
|
||||
void (*select)(FAR struct mio283qt9a_lcd_s *dev);
|
||||
void (*deselect)(FAR struct mio283qt9a_lcd_s *dev);
|
||||
void (*index)(FAR struct mio283qt9a_lcd_s *dev, uint8_t index);
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
uint16_t (*read)(FAR struct mio283qt9a_lcd_s *dev);
|
||||
#endif
|
||||
void (*write)(FAR struct mio283qt9a_lcd_s *dev, uint16_t value);
|
||||
void (*backlight)(FAR struct mio283qt9a_lcd_s *dev, int power);
|
||||
|
||||
/* platform-specific data may follow */
|
||||
};
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Data
|
||||
**************************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Function Prototypes
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt2_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD video hardware. The initial state of the LCD is fully
|
||||
* initialized, display memory cleared, and the LCD ready to use, but with the power
|
||||
* setting at 0 (full off).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
FAR struct lcd_dev_s *mio283qt2_lcdinitialize(FAR struct mio283qt9a_lcd_s *lcd);
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt2_clear
|
||||
*
|
||||
* Description:
|
||||
* This is a non-standard LCD interface. Because of the various rotations, clearing
|
||||
* the display in the normal way by writing a sequences of runs that covers the
|
||||
* entire display can be very slow. Here the display is cleared by simply setting
|
||||
* all GRAM memory to the specified color.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
void mio283qt2_clear(FAR struct lcd_dev_s *dev, uint16_t color);
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_LCD_MIO283QT9A */
|
||||
#endif /* __INCLUDE_NUTTX_LCD_MIO283QT9A_H */
|
||||
Loading…
Reference in New Issue
Block a user