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-nuttx/drivers/lcd README
-========================
-
-This is the README.txt file for the drivers/lcd/ directory.
-
-Contents
-========
-
- - LCD Header files
- include/nuttx/lcd/lcd.h
- struct lcd_dev_s
- - Binding LCD Drivers
- - Examples: /drivers/lcd/
- - Examples: configs/
- - graphics/
-
-LCD Header files
-================
-
- include/nuttx/lcd/lcd.h
-
- Structures and APIs needed to work with LCD drivers are provided in
- this header file. This header file also depends on some of the same
- definitions used for the frame buffer driver as privided in
- include/nuttx/fb.h.
-
- struct lcd_dev_s
-
- Each LCD device driver must implement an instance of struct lcd_dev_s.
- That structure defines a call table with the following methods:
-
- - Get information about the LCD video controller configuration and the
- configuration of each LCD color plane.
-
- int (*getvideoinfo)(FAR struct lcd_dev_s *dev,
- FAR struct fb_videoinfo_s *vinfo);
- int (*getplaneinfo)(FAR struct lcd_dev_s *dev, unsigned int planeno,
- FAR struct lcd_planeinfo_s *pinfo);
-
- - The following are provided only if the video hardware supports RGB
- color mapping:
-
- int (*getcmap)(FAR struct lcd_dev_s *dev,
- FAR struct fb_cmap_s *cmap);
- int (*putcmap)(FAR struct lcd_dev_s *dev,
- FAR const struct fb_cmap_s *cmap);
-
- - The following are provided only if the video hardware supports a
- hardware cursor:
-
- int (*getcursor)(FAR struct lcd_dev_s *dev,
- FAR struct fb_cursorattrib_s *attrib);
- int (*setcursor)(FAR struct lcd_dev_s *dev,
- FAR struct fb_setcursor_s *settings);
-
- - 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.
-
- int (*getpower)(struct lcd_dev_s *dev);
-
- - Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER:
- full on). On backlit LCDs, this setting may correspond to the
- backlight setting.
-
- int (*setpower)(struct lcd_dev_s *dev, int power);
-
- - Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST) */
-
- int (*getcontrast)(struct lcd_dev_s *dev);
-
- - Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST)
-
- int (*setcontrast)(struct lcd_dev_s *dev, unsigned int contrast);
-
-Binding LCD Drivers
-===================
-
- LCD drivers are not normally directly accessed by user code, but are
- usually bound to another, higher level device driver. In general, the
- binding sequence is:
-
- 1. Get an instance of struct lcd_dev_s from the hardware-specific LCD
- device driver, and
- 2. Provide that instance to the initialization method of the higher
- level device driver.
-
-Examples: /drivers/lcd/
-=======================
-
-Re-usable LCD drivers reside in the drivers/lcd directory:
-
- mio283qt2.c. This is a driver for the MI0283QT-2 LCD from Multi-Inno
- Technology Co., Ltd. This LCD is based on the Himax HX8347-D LCD
- controller.
-
- nokia6100.c. Supports the Nokia 6100 display with either the Philips
- PCF883 or the Epson S1D15G10 display controller. This LCD is used
- with the Olimex LPC1766-STK (but has not been fully integrated).
-
- p14201.c. Driver for RiT P14201 series display with SD1329 IC
- controller. This OLED is used with older versions of the
- TI/Luminary LM3S8962 Evaluation Kit.
-
- ssd12989.c. Generic LCD driver for LCDs based on the Solomon Systech
- SSD1289 LCD controller. Think of this as a template for an LCD driver
- that you will proably ahve to customize for any particular LCD
- hardware. (see also configs/hymini-stm32v/src/ssd1289.c below).
-
- ug-9664hswag01.c. OLED Display Module, UG-9664HSWAG01", Univision
- Technology Inc. Used with the LPC Xpresso and Embedded Artists
- base board.
-
-Examples: configs/
-==================
-
-There are additional LCD drivers in the configs/<board>/src directory
-that support additional LCDs. LCD drivers in the configuration directory
-if they support some differ LCD interface (such as a parallel interface)
-that makes then less re-usable:
-
- SSD1783 Drivers:
-
- configs/compal_e99/src/ssd1783.c
-
- SSD1289 Drivers:
-
- configs/hymini-stm32v/src/ssd1289.c. See also drivers/lcd/ssd1298.c
- above.
- configs/stm32f4discovery/src/up_ssd1289.c. This examples is the
- bottom half for the SSD1289 driver at drivers/lcd/ssd1289.c
- configs/hymini-stm32v/src/ssd1289.c. See also drivers/lcd/ssd1298.c
- above.
- configs/shenzhou/src/up_ssd1289.c
-
- kwikstik-k40:
-
- configs/kwikstik-k40/src/up_lcd.c. Don't waste your time. This is
- just a stub.
-
- Nokia LCD Drivers:
-
- configs/olimex-lpc1766stk/src/up_lcd.c. This examples is the
- bottom half for the driver at drivers/lcd/nokia6100.c.
- This was never completedly debugged ... there are probably issues
- with that nasty 9-bit SPI interfaces.
-
- HX8346:
-
- configs/sam3u-ek/src/up_lcd.c. The SAM3U-EK developement board features
- a TFT/Transmissive color LCD module with touch-screen, FTM280C12D,
- with integrated driver IC HX8346.
-
- HX8347:
-
- configs/pic32mx7mmb/src/up_mio283qt2.c. This driver is for the MI0283QT-2
- LCD from Multi-Inno Technology Co., Ltd. This LCD is based on the Himax
- HX8347-D LCD controller.
-
- ILI93xx and Similar:
-
- configs/stm3210e-eval/src/up_lcd.c. This driver supports the following
- LCDs:
-
- 1. Ampire AM-240320LTNQW00H
- 2. Orise Tech SPFD5408B
- 3. RenesasSP R61580
-
- configs/stm3220g-eval/src/up_lcd.c and configs/stm3240g-eval/src/up_lcd.c.
- AM-240320L8TNQW00H (LCD_ILI9320 or LCD_ILI9321) and
- AM-240320D5TOQW01H (LCD_ILI9325)
- configs/shenzhou/src/up_ili93xx.c. Another ILI93xx driver.
-
- OLEDs:
-
- configs/stm32f4discovery/src/up_ug2864ambag01.c
- configs/stm32f4discovery/src/up_ug2864hsweg01.c
- configs/zp214xpa/src/up_ug2864ambag01.c
-
- Alphnumeric LCD Displays:
-
- configs/skp16c26/src/up_lcd.c. Untested alphanumeric LCD driver.
- configs/pcblogic-pic32/src/up_lcd1602.c
-
-graphics/
-=========
-
- See also the usage of the LCD driver in the graphics/ directory.
-