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/*
* 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
#define GDISP_DRIVER_VMT GDISPVMT_framebuffer
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
typedef struct fbInfo {
void * pixels; // The pixel buffer
gCoord linelen; // The number of bytes per display line
} fbInfo;
#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 gBool 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 gTrue;
}
#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) {
gCoord 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) {
gCoord 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 */
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