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Diffstat (limited to 'nuttx/drivers/lcd/skeleton.c')
| -rw-r--r-- | nuttx/drivers/lcd/skeleton.c | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/nuttx/drivers/lcd/skeleton.c b/nuttx/drivers/lcd/skeleton.c deleted file mode 100644 index 83aa92018..000000000 --- a/nuttx/drivers/lcd/skeleton.c +++ /dev/null @@ -1,401 +0,0 @@ -/************************************************************************************** - * drivers/lcd/skeleton.c - * - * Copyright (C) 2011 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. - * - **************************************************************************************/ - -/************************************************************************************** - * 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.h> -#include <nuttx/lcd/lcd.h> - -#include "up_arch.h" - -/************************************************************************************** - * Pre-processor Definitions - **************************************************************************************/ - -/* Configuration **********************************************************************/ -/* Verify that all configuration requirements have been met */ - -/* Debug ******************************************************************************/ -/* Define the following to enable register-level debug output */ - -#undef CONFIG_LCD_SKELDEBUG - -/* Verbose debug must also be enabled */ - -#ifndef CONFIG_DEBUG -# undef CONFIG_DEBUG_VERBOSE -# undef CONFIG_DEBUG_GRAPHICS -#endif - -#ifndef CONFIG_DEBUG_VERBOSE -# undef CONFIG_LCD_SKELDEBUG -#endif - -/* Color Properties *******************************************************************/ - -/* Display Resolution */ - -#define SKEL_XRES 320 -#define SKEL_YRES 240 - -/* Color depth and format */ - -#define SKEL_BPP 16 -#define SKEL_COLORFMT FB_FMT_RGB16_565 - -/* Debug ******************************************************************************/ - -#ifdef CONFIG_LCD_SKELDEBUG -# define skeldbg(format, arg...) vdbg(format, ##arg) -#else -# define skeldbg(x...) -#endif - -/************************************************************************************** - * Private Type Definition - **************************************************************************************/ - -/* This structure describes the state of this driver */ - -struct skel_dev_s -{ - /* Publically visible device structure */ - - struct lcd_dev_s dev; - - /* Private LCD-specific information follows */ -}; - -/************************************************************************************** - * Private Function Protototypes - **************************************************************************************/ - -/* LCD Data Transfer Methods */ - -static int skel_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, - size_t npixels); -static int skel_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, - size_t npixels); - -/* LCD Configuration */ - -static int skel_getvideoinfo(FAR struct lcd_dev_s *dev, - FAR struct fb_videoinfo_s *vinfo); -static int skel_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 skel_getpower(struct lcd_dev_s *dev); -static int skel_setpower(struct lcd_dev_s *dev, int power); -static int skel_getcontrast(struct lcd_dev_s *dev); -static int skel_setcontrast(struct lcd_dev_s *dev, unsigned int contrast); - -/************************************************************************************** - * Private Data - **************************************************************************************/ - -/* 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. - */ - -static uint16_t g_runbuffer[SKEL_XRES]; - -/* This structure describes the overall LCD video controller */ - -static const struct fb_videoinfo_s g_videoinfo = -{ - .fmt = SKEL_COLORFMT, /* Color format: RGB16-565: RRRR RGGG GGGB BBBB */ - .xres = SKEL_XRES, /* Horizontal resolution in pixel columns */ - .yres = SKEL_YRES, /* Vertical resolution in pixel rows */ - .nplanes = 1, /* Number of color planes supported */ -}; - -/* This is the standard, NuttX Plane information object */ - -static const struct lcd_planeinfo_s g_planeinfo = -{ - .putrun = skel_putrun, /* Put a run into LCD memory */ - .getrun = skel_getrun, /* Get a run from LCD memory */ - .buffer = (uint8_t*)g_runbuffer, /* Run scratch buffer */ - .bpp = SKEL_BPP, /* Bits-per-pixel */ -}; - -/* This is the standard, NuttX LCD driver object */ - -static struct skel_dev_s g_lcddev = -{ - .dev = - { - /* LCD Configuration */ - - .getvideoinfo = skel_getvideoinfo, - .getplaneinfo = skel_getplaneinfo, - - /* LCD RGB Mapping -- Not supported */ - /* Cursor Controls -- Not supported */ - - /* LCD Specific Controls */ - - .getpower = skel_getpower, - .setpower = skel_setpower, - .getcontrast = skel_getcontrast, - .setcontrast = skel_setcontrast, - }, -}; - -/************************************************************************************** - * Private Functions - **************************************************************************************/ - -/************************************************************************************** - * Name: skel_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 skel_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, - size_t npixels) -{ - /* Buffer must be provided and aligned to a 16-bit address boundary */ - - gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); - DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); - - /* Set up to write the run. */ - - /* Write the run to GRAM. */ -#warning "Missing logic" - return OK; -} - -/************************************************************************************** - * Name: skel_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 skel_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, - size_t npixels) -{ - /* Buffer must be provided and aligned to a 16-bit address boundary */ - - gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); - DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); - -#warning "Missing logic" - return -ENOSYS; -} - -/************************************************************************************** - * Name: skel_getvideoinfo - * - * Description: - * Get information about the LCD video controller configuration. - * - **************************************************************************************/ - -static int skel_getvideoinfo(FAR struct lcd_dev_s *dev, - FAR struct fb_videoinfo_s *vinfo) -{ - DEBUGASSERT(dev && vinfo); - gvdbg("fmt: %d xres: %d yres: %d nplanes: %d\n", - g_videoinfo.fmt, g_videoinfo.xres, g_videoinfo.yres, g_videoinfo.nplanes); - memcpy(vinfo, &g_videoinfo, sizeof(struct fb_videoinfo_s)); - return OK; -} - -/************************************************************************************** - * Name: skel_getplaneinfo - * - * Description: - * Get information about the configuration of each LCD color plane. - * - **************************************************************************************/ - -static int skel_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, - FAR struct lcd_planeinfo_s *pinfo) -{ - DEBUGASSERT(dev && pinfo && planeno == 0); - gvdbg("planeno: %d bpp: %d\n", planeno, g_planeinfo.bpp); - memcpy(pinfo, &g_planeinfo, sizeof(struct lcd_planeinfo_s)); - return OK; -} - -/************************************************************************************** - * Name: skel_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 skel_getpower(struct lcd_dev_s *dev) -{ - struct skel_dev_s *priv = (struct skel_dev_s *)dev; - gvdbg("power: %d\n", 0); -#warning "Missing logic" - return 0; -} - -/************************************************************************************** - * Name: skel_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 skel_setpower(struct lcd_dev_s *dev, int power) -{ - struct skel_dev_s *priv = (struct skel_dev_s *)dev; - - gvdbg("power: %d\n", power); - DEBUGASSERT(power <= CONFIG_LCD_MAXPOWER); - - /* Set new power level */ -#warning "Missing logic" - - return OK; -} - -/************************************************************************************** - * Name: skel_getcontrast - * - * Description: - * Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST). - * - **************************************************************************************/ - -static int skel_getcontrast(struct lcd_dev_s *dev) -{ - gvdbg("Not implemented\n"); -#warning "Missing logic" - return -ENOSYS; -} - -/************************************************************************************** - * Name: skel_setcontrast - * - * Description: - * Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST). - * - **************************************************************************************/ - -static int skel_setcontrast(struct lcd_dev_s *dev, unsigned int contrast) -{ - gvdbg("contrast: %d\n", contrast); -#warning "Missing logic" - return -ENOSYS; -} - -/************************************************************************************** - * Public Functions - **************************************************************************************/ - -/************************************************************************************** - * Name: up_oledinitialize - * - * 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 *up_oledinitialize(FAR struct spi_dev_s *spi) -{ - gvdbg("Initializing\n"); - - /* Configure GPIO pins */ -#warning "Missing logic" - - /* Enable clocking */ -#warning "Missing logic" - - /* Configure and enable LCD */ - #warning "Missing logic" - - return &g_lcddev.dev; -} |