diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gdisp/framebuffer/board_framebuffer_template.h | 57 | ||||
-rw-r--r-- | drivers/gdisp/framebuffer/driver.mk | 2 | ||||
-rw-r--r-- | drivers/gdisp/framebuffer/gdisp_lld_config.h | 38 | ||||
-rw-r--r-- | drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c | 175 | ||||
-rw-r--r-- | drivers/gdisp/framebuffer/readme.txt | 11 | ||||
-rw-r--r-- | drivers/multiple/X/gdisp_lld_X.c | 1 |
6 files changed, 284 insertions, 0 deletions
diff --git a/drivers/gdisp/framebuffer/board_framebuffer_template.h b/drivers/gdisp/framebuffer/board_framebuffer_template.h new file mode 100644 index 00000000..0ee08ef2 --- /dev/null +++ b/drivers/gdisp/framebuffer/board_framebuffer_template.h @@ -0,0 +1,57 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +// Set this to your frame buffer pixel format. +#ifndef GDISP_LLD_PIXELFORMAT + #define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_BGR888 +#endif + +// Uncomment this if your frame buffer device requires flushing +//#define GDISP_HARDWARE_FLUSH TRUE + +#ifdef GDISP_DRIVER_VMT + + static void board_init(GDisplay *g, fbInfo *fbi) { + // TODO: Initialize your frame buffer device here + + // TODO: Set the details of the frame buffer + g->g.Width = 640; + g->g.Height = 480; + g->g.Backlight = 100; + g->g.Contrast = 50; + fbi->linelen = g->g.Width * sizeof(LLDCOLOR_TYPE); // bytes per row + fbi->pixels = 0; // pointer to the memory frame buffer + } + + #if GDISP_HARDWARE_FLUSH + static void board_flush(GDisplay *g) { + // TODO: Can be an empty function if your hardware doesn't support this + (void) g; + } + #endif + + #if GDISP_NEED_CONTROL + static void board_backlight(GDisplay *g, uint8_t percent) { + // TODO: Can be an empty function if your hardware doesn't support this + (void) g; + (void) percent; + } + + static void board_contrast(GDisplay *g, uint8_t percent) { + // TODO: Can be an empty function if your hardware doesn't support this + (void) g; + (void) percent; + } + + static void board_power(GDisplay *g, powermode_t pwr) { + // TODO: Can be an empty function if your hardware doesn't support this + (void) g; + (void) pwr; + } + #endif + +#endif /* GDISP_LLD_BOARD_IMPLEMENTATION */ diff --git a/drivers/gdisp/framebuffer/driver.mk b/drivers/gdisp/framebuffer/driver.mk new file mode 100644 index 00000000..6b473c72 --- /dev/null +++ b/drivers/gdisp/framebuffer/driver.mk @@ -0,0 +1,2 @@ +GFXINC += $(GFXLIB)/drivers/gdisp/framebuffer +GFXSRC += $(GFXLIB)/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c diff --git a/drivers/gdisp/framebuffer/gdisp_lld_config.h b/drivers/gdisp/framebuffer/gdisp_lld_config.h new file mode 100644 index 00000000..08dbbb39 --- /dev/null +++ b/drivers/gdisp/framebuffer/gdisp_lld_config.h @@ -0,0 +1,38 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +#ifndef _GDISP_LLD_CONFIG_H +#define _GDISP_LLD_CONFIG_H + +#if GFX_USE_GDISP + +/*===========================================================================*/ +/* Driver hardware support. */ +/*===========================================================================*/ + +#define GDISP_HARDWARE_DRAWPIXEL TRUE +#define GDISP_HARDWARE_PIXELREAD TRUE +#define GDISP_HARDWARE_CONTROL TRUE + +// Any other support comes from the board file +#include "board_framebuffer.h" + +#ifndef GDISP_LLD_PIXELFORMAT + #error "GDISP FrameBuffer: You must specify a GDISP_LLD_PIXELFORMAT in your board_framebuffer.h or your makefile" +#endif + +// This driver currently only supports unpacked formats with more than 8 bits per pixel +// that is, we only support GRAY_SCALE with 8 bits per pixel or any unpacked TRUE_COLOR format. +// Note: At the time this file is included we have not calculated all our color +// definitions so we need to do this by hand. +#if (GDISP_LLD_PIXELFORMAT & 0x4000) && (GDISP_LLD_PIXELFORMAT & 0xFF) != 8 + #error "GDISP FrameBuffer: This driver does not support the specified GDISP_LLD_PIXELFORMAT" +#endif + +#endif /* GFX_USE_GDISP */ + +#endif /* _GDISP_LLD_CONFIG_H */ diff --git a/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c b/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c new file mode 100644 index 00000000..6e38b5f4 --- /dev/null +++ b/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c @@ -0,0 +1,175 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +#include "gfx.h" + +#if GFX_USE_GDISP + +typedef struct fbInfo { + void * pixels; // The pixel buffer + coord_t linelen; // The number of bytes per display line + } fbInfo; + +#define GDISP_DRIVER_VMT GDISPVMT_framebuffer +#include "drivers/gdisp/framebuffer/gdisp_lld_config.h" +#include "src/gdisp/driver.h" +#include "board_framebuffer.h" + +typedef struct fbPriv { + fbInfo fbi; // Display information + } fbPriv; + +/*===========================================================================*/ +/* Driver local routines . */ +/*===========================================================================*/ + +#define PIXIL_POS(g, x, y) ((y) * ((fbPriv *)(g)->priv)->fbi.linelen + (x) * sizeof(LLDCOLOR_TYPE)) +#define PIXEL_ADDR(g, pos) ((LLDCOLOR_TYPE *)(((char *)((fbPriv *)(g)->priv)->fbi.pixels)+pos)) + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { + + // Initialize the private structure + if (!(g->priv = gfxAlloc(sizeof(fbPriv)))) + gfxHalt("GDISP Framebuffer: Failed to allocate private memory"); + ((fbPriv *)g->priv)->fbi.pixels = 0; + ((fbPriv *)g->priv)->fbi.linelen = 0; + + // Initialize the GDISP structure + g->g.Orientation = GDISP_ROTATE_0; + g->g.Powermode = powerOn; + g->board = 0; // preinitialize + board_init(g, &((fbPriv *)g->priv)->fbi); + + return TRUE; +} + +#if GDISP_HARDWARE_FLUSH + LLDSPEC void gdisp_lld_flush(GDisplay *g) { + board_flush(g); + } +#endif + +LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) { + unsigned pos; + + #if GDISP_NEED_CONTROL + switch(g->g.Orientation) { + case GDISP_ROTATE_0: + default: + pos = PIXIL_POS(g, g->p.x, g->p.y); + break; + case GDISP_ROTATE_90: + pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1); + break; + case GDISP_ROTATE_180: + pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1); + break; + case GDISP_ROTATE_270: + pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x); + break; + } + #else + pos = PIXIL_POS(g, g->p.x, g->p.y); + #endif + + PIXEL_ADDR(g, pos)[0] = gdispColor2Native(g->p.color); +} + +LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) { + unsigned pos; + LLDCOLOR_TYPE color; + + #if GDISP_NEED_CONTROL + switch(g->g.Orientation) { + case GDISP_ROTATE_0: + default: + pos = PIXIL_POS(g, g->p.x, g->p.y); + break; + case GDISP_ROTATE_90: + pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1); + break; + case GDISP_ROTATE_180: + pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1); + break; + case GDISP_ROTATE_270: + pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x); + break; + } + #else + pos = PIXIL_POS(g, g->p.x, g->p.y); + #endif + + color = PIXEL_ADDR(g, pos)[0]; + return gdispNative2Color(color); +} + +#if GDISP_NEED_CONTROL + LLDSPEC void gdisp_lld_control(GDisplay *g) { + switch(g->p.x) { + case GDISP_CONTROL_POWER: + if (g->g.Powermode == (powermode_t)g->p.ptr) + return; + switch((powermode_t)g->p.ptr) { + case powerOff: case powerOn: case powerSleep: case powerDeepSleep: + board_power(g, (powermode_t)g->p.ptr); + break; + default: + return; + } + g->g.Powermode = (powermode_t)g->p.ptr; + return; + + case GDISP_CONTROL_ORIENTATION: + if (g->g.Orientation == (orientation_t)g->p.ptr) + return; + switch((orientation_t)g->p.ptr) { + case GDISP_ROTATE_0: + case GDISP_ROTATE_180: + if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) { + coord_t tmp; + + tmp = g->g.Width; + g->g.Width = g->g.Height; + g->g.Height = tmp; + } + break; + case GDISP_ROTATE_90: + case GDISP_ROTATE_270: + if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) { + coord_t tmp; + + tmp = g->g.Width; + g->g.Width = g->g.Height; + g->g.Height = tmp; + } + break; + default: + return; + } + g->g.Orientation = (orientation_t)g->p.ptr; + return; + + case GDISP_CONTROL_BACKLIGHT: + if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100; + board_backlight(g, (unsigned)g->p.ptr); + g->g.Backlight = (unsigned)g->p.ptr; + return; + + case GDISP_CONTROL_CONTRAST: + if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100; + board_contrast(g, (unsigned)g->p.ptr); + g->g.Contrast = (unsigned)g->p.ptr; + return; + } + } +#endif + +#endif /* GFX_USE_GDISP */ diff --git a/drivers/gdisp/framebuffer/readme.txt b/drivers/gdisp/framebuffer/readme.txt new file mode 100644 index 00000000..d07b5dfb --- /dev/null +++ b/drivers/gdisp/framebuffer/readme.txt @@ -0,0 +1,11 @@ +To use this driver: + +1. Add in your gfxconf.h: + a) #define GFX_USE_GDISP TRUE + +2. To your makefile add the following lines: + include $(GFXLIB)/gfx.mk + include $(GFXLIB)/drivers/gdisp/framebuffer/driver.mk + +3. Add a board_framebuffer.h to you project directory (or board directory) + base on one of the templates. diff --git a/drivers/multiple/X/gdisp_lld_X.c b/drivers/multiple/X/gdisp_lld_X.c index 29115f53..00b2748b 100644 --- a/drivers/multiple/X/gdisp_lld_X.c +++ b/drivers/multiple/X/gdisp_lld_X.c @@ -33,6 +33,7 @@ #include <X11/Xlib.h> #include <X11/Xutil.h> +#include <X11/Xresource.h> #include <stdio.h> #include <stdlib.h> |