624 lines
16 KiB
C
624 lines
16 KiB
C
/*
|
|
* 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_SSD1848
|
|
#include "gdisp_lld_config.h"
|
|
#include "../../../src/gdisp/gdisp_driver.h"
|
|
|
|
typedef struct LCD_Parameters
|
|
{
|
|
uint8_t curXPtr;
|
|
uint8_t startXPtr; /* The area start bit position in the start column */
|
|
uint8_t endXPtr; /* The area end bit position in the end column */
|
|
uint8_t curCol;
|
|
uint8_t startCol; /* The area start column */
|
|
uint8_t endCol; /* The area end column */
|
|
uint8_t curYPtr;
|
|
} LCD_Parameters;
|
|
|
|
#include "board_SSD1848.h"
|
|
#include <string.h> /* for memset */
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local definitions. */
|
|
/*===========================================================================*/
|
|
|
|
#ifndef GDISP_SCREEN_HEIGHT
|
|
#define GDISP_SCREEN_HEIGHT 130
|
|
#endif
|
|
#ifndef GDISP_SCREEN_WIDTH
|
|
#define GDISP_SCREEN_WIDTH 128
|
|
#endif
|
|
#ifndef GDISP_INITIAL_CONTRAST
|
|
#define GDISP_INITIAL_CONTRAST 80
|
|
#endif
|
|
#ifndef GDISP_INITIAL_BACKLIGHT
|
|
#define GDISP_INITIAL_BACKLIGHT 100
|
|
#endif
|
|
#ifdef SSD1848_PAGE_PREFIX
|
|
#define SSD1848_PAGE_WIDTH (GDISP_SCREEN_WIDTH + 1)
|
|
#define SSD1848_PAGE_OFFSET 1
|
|
#else
|
|
#define SSD1848_PAGE_WIDTH GDISP_SCREEN_WIDTH
|
|
#define SSD1848_PAGE_OFFSET 0
|
|
#endif
|
|
|
|
#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER << 0)
|
|
|
|
#include "SSD1848.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local functions. */
|
|
/*===========================================================================*/
|
|
|
|
/* Some common routines and macros */
|
|
#define PRM(g) ((LCD_Parameters *)g->priv)
|
|
#define RAM(g) ((uint8_t *)(PRM(g)+1))
|
|
#define write_cmd2(g, cmd1, cmd2) { spi_write_cmd (g, cmd1); spi_write_data (g, cmd2); }
|
|
#define write_cmd3(g, cmd1, cmd2, cmd3) { spi_write_cmd (g, cmd1); spi_write_data2 (g, cmd2, cmd3); }
|
|
|
|
#define xyaddr(x, y) (SSD1848_PAGE_OFFSET + (x) + ((y) >> 3) * SSD1848_PAGE_WIDTH)
|
|
#define xybit(y) (1 << ((y) & 7))
|
|
|
|
|
|
static void set_viewport (GDisplay* g)
|
|
{
|
|
switch (g->g.Orientation)
|
|
{
|
|
default:
|
|
case GDISP_ROTATE_0:
|
|
spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
|
|
spi_write_data2 (g, (uint8_t) (g->p.x / 8), (uint8_t) ((g->p.x + g->p.cx - 1) / 8));
|
|
spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
|
|
spi_write_data2 (g, g->p.y, g->p.y + g->p.cy - 1);
|
|
spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
|
|
break;
|
|
|
|
case GDISP_ROTATE_90:
|
|
spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
|
|
spi_write_data2 (g, g->p.y, g->p.y + g->p.cy - 1);
|
|
spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
|
|
spi_write_data2 (g, g->g.Width - g->p.x - g->p.cx, g->g.Width - 1 - g->p.x);
|
|
spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
|
|
break;
|
|
|
|
case GDISP_ROTATE_180:
|
|
spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
|
|
spi_write_data2 (g, g->g.Width - g->p.x - g->p.cx, g->g.Width - 1 - g->p.x);
|
|
spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
|
|
spi_write_data2 (g, g->g.Height - g->p.y - g->p.cy, g->g.Height - 1 - g->p.y);
|
|
spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
|
|
break;
|
|
|
|
case GDISP_ROTATE_270:
|
|
spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
|
|
spi_write_data2 (g, g->g.Height - g->p.y - g->p.cy, g->g.Height - 1 - g->p.y);
|
|
spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
|
|
spi_write_data2 (g, g->p.x, g->p.x + g->p.cx - 1);
|
|
spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* As this controller can't update on a pixel boundary we need to maintain the
|
|
* the entire display surface in memory so that we can do the necessary bit
|
|
* operations. Fortunately it is a small display in monochrome.
|
|
* 128 * 128 / 8 = 2048 bytes.
|
|
*/
|
|
|
|
LLDSPEC bool_t gdisp_lld_init (GDisplay *g)
|
|
{
|
|
uint8_t temp [5] = { 0 };
|
|
|
|
/* The private area is the display surface. */
|
|
g->priv = gfxAlloc (sizeof(DisplayData) + GDISP_SCREEN_WIDTH / 8 * GDISP_SCREEN_HEIGHT);
|
|
if (!g->priv)
|
|
return FALSE;
|
|
memset (g->priv, 0, sizeof(DisplayData) + GDISP_SCREEN_WIDTH / 8 * GDISP_SCREEN_HEIGHT);
|
|
|
|
/* Initialise the board interface */
|
|
init_board (g);
|
|
|
|
/* Init LCD */
|
|
/* Hardware reset */
|
|
setpin_reset (g, FALSE);
|
|
gfxSleepMilliseconds (50);
|
|
setpin_reset (g, TRUE);
|
|
gfxSleepMilliseconds (50);
|
|
setpin_reset (g, FALSE);
|
|
|
|
|
|
acquire_bus (g);
|
|
gfxSleepMilliseconds (50);
|
|
spi_write_cmd (g, SSD1848_ENABLE_INTERNAL_CLOCK); /* 0xD1 */
|
|
spi_write_cmd (g, SSD1848_EXITSLEEP); /* 0x94 */
|
|
gfxSleepMilliseconds (20);
|
|
|
|
spi_write_cmd (g, SSD1848_SET_FRAME_FREQ_LINEINVE);
|
|
spi_write_data2 (g, 0x00, 0x00);
|
|
|
|
temp [0] = 0x00;
|
|
temp [1] = 0x0e;
|
|
temp [2] = 0x41;
|
|
spi_write_cmd (g, SSD1848_SET_BLACK_WHITE);
|
|
spi_write_data_array (g, temp, 3);
|
|
|
|
temp [0] = 0x00;
|
|
temp [1] = 0x00;
|
|
temp [2] = 0x00;
|
|
spi_write_cmd (g, SSD1848_DATA_OUTPUT_SCAN_DIR);
|
|
spi_write_data_array (g, temp, 3);
|
|
|
|
spi_write_cmd (g, SSD1848_SETSTARTLINE);
|
|
spi_write_data (g, 0x00);
|
|
|
|
spi_write_cmd (g, SSD1848_COM_OUTPUT_SCAN_DIR);
|
|
spi_write_data (g, 0x01);
|
|
|
|
spi_write_cmd (g, SSD1848_SETDISP_CTRL); /* 0xCA */
|
|
temp [0] = 0x00;
|
|
temp [1] = 0x20; /* 0x1F */
|
|
temp [2] = 0x00;
|
|
spi_write_data_array (g, temp, 3);
|
|
|
|
|
|
spi_write_cmd (g, SSD1848_SETPOWER_CTRL); /* 0x20 */
|
|
spi_write_data (g, 0x0F);
|
|
|
|
gfxSleepMilliseconds (150);
|
|
|
|
spi_write_cmd (g, SSD1848_SETCONTRAST); /* 0x81 */
|
|
spi_write_data2 (g, 0x28, 0x06);
|
|
|
|
spi_write_cmd (g, SSD1848_TEMP_COMPENSATION);
|
|
spi_write_data (g, 0x01);
|
|
|
|
spi_write_cmd (g, SSD1848_SET_BIASING_LOCK); /* 0xFB */
|
|
spi_write_data (g, 0x02);
|
|
|
|
spi_write_cmd (g, 0xF3);
|
|
temp [0] = 0xc4;
|
|
temp [1] = 0x15;
|
|
temp [2] = 0x00;
|
|
temp [3] = 0x80;
|
|
spi_write_data_array (g, temp, 4);
|
|
|
|
spi_write_cmd (g, SSD1848_SET_FRAME_FREQ_LINEINVE);
|
|
temp [0] = 0x40;
|
|
temp [1] = 0x04;
|
|
temp [2] = 0x10;
|
|
temp [3] = 0x01;
|
|
spi_write_data_array (g, temp, 4);
|
|
|
|
spi_write_cmd (g, SSD1848_DISPLAYON);
|
|
|
|
spi_write_cmd (g, SSD1848_DUAL_OPT_SET);
|
|
spi_write_data2 (g, 0x1F, 0x06);
|
|
|
|
release_bus (g);
|
|
|
|
/* Finish Init */
|
|
post_init_board (g);
|
|
|
|
/* Initialise the GDISP structure */
|
|
g->g.Width = GDISP_SCREEN_WIDTH;
|
|
g->g.Height = GDISP_SCREEN_HEIGHT;
|
|
g->g.Orientation = GDISP_ROTATE_0;
|
|
g->g.Powermode = powerOn;
|
|
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
|
|
g->g.Contrast = GDISP_INITIAL_CONTRAST;
|
|
return TRUE;
|
|
}
|
|
|
|
#if GDISP_HARDWARE_STREAM_WRITE
|
|
LLDSPEC void gdisp_lld_write_start (GDisplay *g)
|
|
{
|
|
acquire_bus (g);
|
|
set_viewport (g);
|
|
|
|
PRM(g)->curCol = PRM(g)->startCol = (uint8_t) (g->p.x / 8);
|
|
PRM(g)->endCol = (uint8_t) ((g->p.x + g->p.cx - 1) / 8);
|
|
PRM(g)->curXPtr = PRM(g)->startXPtr = (uint8_t) (g->p.x % 8);
|
|
PRM(g)->endXPtr = (uint8_t) ((g->p.x + g->p.cx - 1) % 8);
|
|
PRM(g)->curYPtr = g->p.y;
|
|
}
|
|
LLDSPEC void gdisp_lld_write_color (GDisplay *g)
|
|
{
|
|
uint8_t temp;
|
|
uint8_t a;
|
|
uint16_t y = PRM(g)->curYPtr;
|
|
uint16_t c = PRM(g)->curCol;
|
|
|
|
temp = RAM (g)[y * 16 + c];
|
|
if (gdispColor2Native (g->p.color))
|
|
{
|
|
temp |= 0x80 >> PRM(g)->curXPtr;
|
|
}
|
|
else
|
|
{
|
|
temp &= ~(0x80 >> PRM(g)->curXPtr);
|
|
}
|
|
RAM (g)[y * 16 + c] = temp;
|
|
|
|
PRM(g)->curXPtr++;
|
|
if (PRM(g)->curXPtr == 8)
|
|
{
|
|
spi_write_data (g, temp);
|
|
if (PRM(g)->curCol == PRM(g)->endCol)
|
|
{
|
|
PRM(g)->curYPtr++;
|
|
PRM(g)->curCol = PRM(g)->startCol;
|
|
PRM(g)->curXPtr = PRM(g)->startXPtr;
|
|
}
|
|
else
|
|
{
|
|
PRM(g)->curCol++;
|
|
PRM(g)->curXPtr = 0;
|
|
}
|
|
}
|
|
|
|
/* If hit the boundary, flush the byte */
|
|
else if ((PRM(g)->curCol == PRM(g)->endCol) &&
|
|
(PRM(g)->curXPtr == PRM(g)->endXPtr + 1))
|
|
{
|
|
spi_write_data (g, temp);
|
|
PRM(g)->curXPtr = PRM(g)->startXPtr;
|
|
PRM(g)->curCol = PRM(g)->startCol;
|
|
PRM(g)->curYPtr++;
|
|
}
|
|
}
|
|
LLDSPEC void gdisp_lld_write_stop (GDisplay *g)
|
|
{
|
|
release_bus (g);
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_FLUSH
|
|
LLDSPEC void gdisp_lld_flush (GDisplay *g)
|
|
{
|
|
uint8_t * ram;
|
|
unsigned pages;
|
|
|
|
/* Don't flush if we don't need it. */
|
|
if (!(g->flags & GDISP_FLG_NEEDFLUSH))
|
|
return;
|
|
ram = RAM (g);
|
|
pages = GDISP_SCREEN_WIDTH / 8;
|
|
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_SETSTARTLINE | 0);
|
|
|
|
while (pages--)
|
|
{
|
|
spi_write_data_array (g, ram, SSD1848_PAGE_WIDTH);
|
|
ram += SSD1848_PAGE_WIDTH;
|
|
}
|
|
release_bus (g);
|
|
|
|
g->flags &= ~GDISP_FLG_NEEDFLUSH;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_CLEARS
|
|
LLDSPEC void gdisp_lld_clear (GDisplay *g)
|
|
{
|
|
uint16_t area = GDISP_SCREEN_WIDTH / 8 * GDISP_SCREEN_HEIGHT;
|
|
|
|
if (gdispColor2Native (g->p.color))
|
|
{
|
|
memset (RAM (g), 0xFF, GDISP_SCREEN_WIDTH / 8 * GDISP_SCREEN_HEIGHT);
|
|
}
|
|
else
|
|
{
|
|
memset (RAM (g), 0, GDISP_SCREEN_WIDTH / 8 * GDISP_SCREEN_HEIGHT);
|
|
}
|
|
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
|
|
spi_write_data2 (g, 0, 15);
|
|
spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
|
|
spi_write_data2 (g, 0, 129);
|
|
spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
|
|
|
|
for (; area; area--)
|
|
{
|
|
spi_write_data (g, 0);
|
|
}
|
|
release_bus (g);
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_FILLS
|
|
LLDSPEC void gdisp_lld_fill_area (GDisplay *g)
|
|
{
|
|
coord_t scol, ecol, sx, ex;
|
|
coord_t y, col, x;
|
|
uint16_t area = (uint16_t) g->p.cx * g->p.cy;
|
|
uint8_t temp;
|
|
|
|
col = scol = (uint8_t) (g->p.x / 8);
|
|
ecol = (uint8_t) ((g->p.x + g->p.cx - 1) / 8);
|
|
x = sx = (uint8_t) (g->p.x % 8);
|
|
ex = (uint8_t) ((g->p.x + g->p.cx - 1) % 8);
|
|
y = g->p.y;
|
|
|
|
|
|
acquire_bus (g);
|
|
set_viewport (g);
|
|
for (; area; area--)
|
|
{
|
|
temp = RAM (g)[y * 16 + col];
|
|
if (gdispColor2Native (g->p.color))
|
|
{
|
|
temp |= (0x80 >> x);
|
|
}
|
|
else
|
|
{
|
|
temp &= ~(0x80 >> x);
|
|
}
|
|
RAM (g)[y * 16 + col] = temp;
|
|
|
|
if (++x == 8)
|
|
{
|
|
spi_write_data (g, temp);
|
|
if (col == ecol)
|
|
{
|
|
y++;
|
|
col = scol;
|
|
x = sx;
|
|
}
|
|
else
|
|
{
|
|
col++;
|
|
x = 0;
|
|
}
|
|
}
|
|
|
|
/* If hit the boundary, flush the byte */
|
|
else if ((col == ecol) && (x == ex + 1))
|
|
{
|
|
spi_write_data (g, temp);
|
|
x = sx;
|
|
col = scol;
|
|
y++;
|
|
}
|
|
}
|
|
release_bus (g);
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_DRAWPIXEL
|
|
LLDSPEC void gdisp_lld_draw_pixel (GDisplay *g)
|
|
{
|
|
coord_t x, y;
|
|
|
|
switch (g->g.Orientation)
|
|
{
|
|
default:
|
|
case GDISP_ROTATE_0:
|
|
x = g->p.x;
|
|
y = g->p.y;
|
|
break;
|
|
|
|
case GDISP_ROTATE_90:
|
|
x = g->p.y;
|
|
y = GDISP_SCREEN_HEIGHT - 1 - g->p.x;
|
|
break;
|
|
|
|
case GDISP_ROTATE_180:
|
|
x = GDISP_SCREEN_WIDTH - 1 - g->p.x;
|
|
y = GDISP_SCREEN_HEIGHT - 1 - g->p.y;
|
|
break;
|
|
|
|
case GDISP_ROTATE_270:
|
|
x = GDISP_SCREEN_WIDTH - 1 - g->p.y;
|
|
y = g->p.x;
|
|
break;
|
|
}
|
|
if (gdispColor2Native (g->p.color) != gdispColor2Native (Black))
|
|
RAM (g)[xyaddr (x, y)] |= xybit (y);
|
|
else
|
|
RAM (g)[xyaddr (x, y)] &= ~xybit(y);
|
|
g->flags |= GDISP_FLG_NEEDFLUSH;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_HARDWARE_PIXELREAD
|
|
LLDSPEC color_t gdisp_lld_get_pixel_color (GDisplay *g)
|
|
{
|
|
coord_t x, y;
|
|
|
|
switch (g->g.Orientation)
|
|
{
|
|
default:
|
|
case GDISP_ROTATE_0:
|
|
x = g->p.x;
|
|
y = g->p.y;
|
|
break;
|
|
|
|
case GDISP_ROTATE_90:
|
|
x = g->p.y;
|
|
y = GDISP_SCREEN_HEIGHT - 1 - g->p.x;
|
|
break;
|
|
|
|
case GDISP_ROTATE_180:
|
|
x = GDISP_SCREEN_WIDTH - 1 - g->p.x;
|
|
y = GDISP_SCREEN_HEIGHT - 1 - g->p.y;
|
|
break;
|
|
|
|
case GDISP_ROTATE_270:
|
|
x = GDISP_SCREEN_WIDTH - 1 - g->p.y;
|
|
y = g->p.x;
|
|
break;
|
|
}
|
|
return (RAM (g)[xyaddr (x, y)] & xybit (y)) ? White : Black;
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_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:
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_SETCONTRAST);
|
|
spi_write_data2 (g, 0x00, 0x00); /* Drop the contrast & gain */
|
|
spi_write_cmd (g, SSD1848_DISPLAYOFF);
|
|
spi_write_cmd (g, SSD1848_ENTERSLEEP);
|
|
release_bus (g);
|
|
break;
|
|
|
|
case powerSleep:
|
|
case powerDeepSleep:
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_ENTERSLEEP);
|
|
release_bus (g);
|
|
break;
|
|
|
|
case powerOn:
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_EXITSLEEP); /* need this in case we were in 'normal' sleep mode */
|
|
gfxSleepMilliseconds (5);
|
|
spi_write_cmd (g, SSD1848_DISPLAYON);
|
|
release_bus (g);
|
|
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)
|
|
{
|
|
/* Rotation is handled by the drawing routines */
|
|
case GDISP_ROTATE_0:
|
|
case GDISP_ROTATE_180:
|
|
g->g.Height = GDISP_SCREEN_HEIGHT;
|
|
g->g.Width = GDISP_SCREEN_WIDTH;
|
|
break;
|
|
|
|
case GDISP_ROTATE_90:
|
|
case GDISP_ROTATE_270:
|
|
g->g.Height = GDISP_SCREEN_WIDTH;
|
|
g->g.Width = GDISP_SCREEN_HEIGHT;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
g->g.Orientation = (orientation_t) g->p.ptr;
|
|
return;
|
|
|
|
case GDISP_CONTROL_CONTRAST:
|
|
if ((unsigned) g->p.ptr > 100)
|
|
g->p.ptr = (void *) 100;
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, SSD1848_SETCONTRAST);
|
|
spi_write_data (g, (((uint16_t) g->p.ptr) << 8) / 101);
|
|
release_bus (g);
|
|
g->g.Contrast = (uint8_t) g->p.ptr;
|
|
return;
|
|
|
|
/* Our own special controller code to inverse the display */
|
|
/* 0 = normal, 1 = inverse */
|
|
case GDISP_CONTROL_INVERSE:
|
|
acquire_bus (g);
|
|
spi_write_cmd (g, g->p.ptr ? SSD1848_INVERTDISPLAY : SSD1848_NORMALDISPLAY);
|
|
release_bus (g);
|
|
return;
|
|
}
|
|
}
|
|
#endif /* GDISP_NEED_CONTROL */
|
|
|
|
|
|
#if GDISP_HARDWARE_BITFILLS
|
|
LLDSPEC void gdisp_lld_blit_area (GDisplay *g)
|
|
{
|
|
coord_t scol, ecol, sx;
|
|
coord_t y, col;
|
|
uint16_t area;
|
|
uint8_t temp, temp2, i;
|
|
|
|
col = scol = (uint8_t) (g->p.x / 8);
|
|
ecol = (uint8_t) ((g->p.x + g->p.cx - 1) / 8);
|
|
sx = (uint8_t) (g->p.x % 8);
|
|
y = g->p.y;
|
|
area = (ecol - scol + 1) * (g->p.cy);
|
|
|
|
|
|
acquire_bus (g);
|
|
set_viewport (g);
|
|
|
|
/* Bitfill align with Column */
|
|
if (sx == 0)
|
|
{
|
|
for (; area; area--)
|
|
{
|
|
temp = RAM (g)[y * 16 + col] = *((uint8_t *) g->p.ptr)++;
|
|
spi_write_data (g, temp);
|
|
if (col == ecol)
|
|
{
|
|
y++;
|
|
col = scol;
|
|
}
|
|
else
|
|
{
|
|
col++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Bitfil doesn't align with column */
|
|
for (; area; area--)
|
|
{
|
|
temp = RAM (g)[y * 16 + col];
|
|
if (col != ecol)
|
|
{
|
|
temp |= (*((uint8_t *) g->p.ptr) >> sx);
|
|
RAM (g)[y * 16 + col] = temp;
|
|
|
|
temp2 = RAM (g)[y * 16 + col + 1];
|
|
temp2 |= (*((uint8_t *) g->p.ptr) << (8-sx));
|
|
RAM (g)[y * 16 + col + 1] = temp2;
|
|
((uint8_t *) g->p.ptr)++;
|
|
}
|
|
|
|
spi_write_data (g, temp);
|
|
if (col == ecol)
|
|
{
|
|
y++;
|
|
col = scol;
|
|
}
|
|
else
|
|
{
|
|
col++;
|
|
}
|
|
}
|
|
}
|
|
release_bus (g);
|
|
}
|
|
#endif
|
|
|
|
#endif /* GFX_USE_GDISP */
|