Created.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2579 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 684 insertions, 0 deletions

diff --git a/uisimulator/common/lcd-playersim.c b/uisimulator/common/lcd-playersim.c
new file mode 100644
index 0000000000..3405247a68
--- /dev/null
+++ b/uisimulator/common/lcd-playersim.c
@@ -0,0 +1,684 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Alan Korr
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#ifdef HAVE_LCD_BITMAP
+
+#include "lcd.h"
+#include "kernel.h"
+#include "thread.h"
+#include <string.h>
+#include <stdlib.h>
+#include "file.h"
+#include "debug.h"
+#include "system.h"
+#include "font.h"
+
+/*** definitions ***/
+
+#define LCD_SET_LOWER_COLUMN_ADDRESS              ((char)0x00)
+#define LCD_SET_HIGHER_COLUMN_ADDRESS             ((char)0x10)
+#define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20)
+#define LCD_SET_POWER_CONTROL_REGISTER            ((char)0x28)
+#define LCD_SET_DISPLAY_START_LINE                ((char)0x40)
+#define LCD_SET_CONTRAST_CONTROL_REGISTER         ((char)0x81)
+#define LCD_SET_SEGMENT_REMAP                     ((char)0xA0)
+#define LCD_SET_LCD_BIAS                          ((char)0xA2)
+#define LCD_SET_ENTIRE_DISPLAY_OFF                ((char)0xA4)
+#define LCD_SET_ENTIRE_DISPLAY_ON                 ((char)0xA5)
+#define LCD_SET_NORMAL_DISPLAY                    ((char)0xA6)
+#define LCD_SET_REVERSE_DISPLAY                   ((char)0xA7)
+#define LCD_SET_INDICATOR_OFF                     ((char)0xAC)
+#define LCD_SET_INDICATOR_ON                      ((char)0xAD)
+#define LCD_SET_DISPLAY_OFF                       ((char)0xAE)
+#define LCD_SET_DISPLAY_ON                        ((char)0xAF)
+#define LCD_SET_PAGE_ADDRESS                      ((char)0xB0)
+#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION         ((char)0xC0)
+#define LCD_SET_DISPLAY_OFFSET                    ((char)0xD3)
+#define LCD_SET_READ_MODIFY_WRITE_MODE            ((char)0xE0)
+#define LCD_SOFTWARE_RESET                        ((char)0xE2)
+#define LCD_NOP                                   ((char)0xE3)
+#define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE     ((char)0xEE)
+
+/* LCD command codes */
+#define LCD_CNTL_RESET          0xe2    // Software reset
+#define LCD_CNTL_POWER          0x2f    // Power control
+#define LCD_CNTL_CONTRAST       0x81    // Contrast
+#define LCD_CNTL_OUTSCAN        0xc8    // Output scan direction
+#define LCD_CNTL_SEGREMAP       0xa1    // Segment remap
+#define LCD_CNTL_DISPON         0xaf    // Display on
+
+#define LCD_CNTL_PAGE           0xb0    // Page address
+#define LCD_CNTL_HIGHCOL        0x10    // Upper column address
+#define LCD_CNTL_LOWCOL         0x00    // Lower column address
+
+#define SCROLL_SPACING 3
+
+struct scrollinfo {
+    char line[MAX_PATH + LCD_WIDTH/2 + SCROLL_SPACING + 2];
+    int len;    /* length of line in chars */
+    int width;  /* length of line in pixels */
+    int offset;
+    int startx;
+    int starty;
+};
+
+static void scroll_thread(void);
+static char scroll_stack[DEFAULT_STACK_SIZE];
+static char scroll_name[] = "scroll";
+static char scroll_speed = 8; /* updates per second */
+static char scroll_step = 6;  /* pixels per scroll step */
+static struct scrollinfo scroll; /* only one scroll line at the moment */
+static int scroll_count = 0;
+static int xmargin = 0;
+static int ymargin = 0;
+static int curfont = FONT_SYSFIXED;
+
+#ifdef SIMULATOR
+unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
+#else
+static unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
+#endif
+
+/* All zeros and ones bitmaps for area filling */
+static unsigned char zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+static unsigned char ones[8]  = { 0xff, 0xff, 0xff, 0xff,
+                                  0xff, 0xff, 0xff, 0xff};
+
+void lcd_init(void)
+{
+    create_thread(scroll_thread, scroll_stack,
+                  sizeof(scroll_stack), scroll_name);
+}
+void lcd_clear_display (void)
+{
+    memset (lcd_framebuffer, 0, sizeof lcd_framebuffer);
+}
+
+void lcd_setmargins(int x, int y)
+{
+    xmargin = x;
+    ymargin = y;
+}
+
+int lcd_getxmargin(void)
+{
+    return xmargin;
+}
+
+int lcd_getymargin(void)
+{
+    return ymargin;
+}
+
+void lcd_setfont(int newfont)
+{
+    curfont = newfont;
+}
+
+int lcd_getstringsize(unsigned char *str, int *w, int *h)
+{
+    struct font* pf = font_get(curfont);
+    int ch;
+    int width = 0;
+
+    while((ch = *str++)) {
+        /* check input range*/
+        if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
+            ch = pf->defaultchar;
+        ch -= pf->firstchar;
+
+        /* get proportional width and glyph bits*/
+        width += pf->width? pf->width[ch]: pf->maxwidth;
+    }
+    if ( w )
+        *w = width;
+    if ( h )
+        *h = pf->height;
+
+    return width;
+}
+
+/* put a string at a given char position */
+void lcd_puts(int x, int y, unsigned char *str)
+{
+    int xpos,ypos,w,h;
+
+#if defined(HAVE_LCD_CHARCELLS)
+    /* We make the simulator truncate the string if it reaches the right edge,
+       as otherwise it'll wrap. The real target doesn't wrap. */
+
+    char buffer[12];
+    if(strlen(str)+x > 11 ) {
+        strncpy(buffer, str, sizeof buffer);
+        buffer[11-x]=0;
+        str = buffer;
+    }
+    xmargin = 0;
+    ymargin = 8;
+#endif
+
+    if(!str || !str[0])
+        return;
+
+    lcd_getstringsize(str, &w, &h);
+    xpos = xmargin + x*w / strlen(str);
+    ypos = ymargin + y*h;
+    lcd_putsxy(xpos, ypos, str);
+    /* lcd_clearrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h); */
+
+#if defined(HAVE_LCD_CHARCELLS)
+    /* this function is being used when simulating a charcell LCD and
+       then we update immediately */
+    lcd_update();
+#endif
+}
+
+extern char* get_lcd_pattern(int width);
+
+/* put a string at a given pixel position, skipping first ofs pixel columns */
+static void lcd_putsxyofs(int x, int y, int ofs, unsigned char *str)
+{
+    int ch;
+    struct font* pf = font_get(curfont);
+
+    while ((ch = *str++) != '\0' && x < LCD_WIDTH)
+    {
+        int width;
+
+        /* check input range */
+        if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
+#ifndef SIMULATOR
+            ch = pf->defaultchar;
+#else
+        {
+            if (ch > 8)
+                ch = pf->defaultchar;
+            else
+            {
+                char* bm = get_lcd_pattern(ch);
+                width = 6;
+                lcd_bitmap(bm, x, y, width, 8, true);
+                x += width;
+                continue;
+            }
+        }
+#endif
+        ch -= pf->firstchar;
+
+        /* no partial-height drawing for now... */
+        if (y + pf->height > LCD_HEIGHT)
+            break;
+
+        /* get proportional width and glyph bits */
+        width = pf->width ? pf->width[ch] : pf->maxwidth;
+        width = MIN (width, LCD_WIDTH - x);
+
+        if (ofs != 0)
+        {
+            if (ofs > width)
+            {
+                ofs -= width;
+                continue;
+            }
+            width -= ofs;
+        }
+
+        if (width > 0)
+        {
+            int rows = (pf->height + 7) / 8;
+            bitmap_t* bits = pf->bits + 
+                (pf->offset ? pf->offset[ch] : (pf->height * ch));
+            lcd_bitmap (((unsigned char*) bits) + ofs*rows, x, y,
+                        width, pf->height, true);
+            x += width;
+        }
+        ofs = 0;
+    }
+}
+
+/* put a string at a given pixel position */
+void lcd_putsxy(int x, int y, unsigned char *str)
+{
+    lcd_putsxyofs(x, y, 0, str);
+}
+
+/*
+ * All bitmaps have this format:
+ * Bits within a byte are arranged veritcally, LSB at top.
+ * Bytes are stored in column-major format, with byte 0 at top left,
+ * byte 1 is 2nd from top, etc.  Bytes following left-most column
+ * starts 2nd left column, etc.
+ *
+ * Note: The HW takes bitmap bytes in row-major order.
+ *
+ * Memory copy of display bitmap
+ */
+
+/*
+ * Draw a bitmap at (x, y), size (nx, ny)
+ * if 'clear' is true, clear destination area first
+ */
+void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
+                 bool clear) __attribute__ ((section (".icode")));
+void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
+                 bool clear)
+{
+    unsigned char *dst;
+    unsigned char *dst2;
+    unsigned int data, mask, mask2, mask3, mask4;
+    int shift;
+
+    if (((unsigned)x >= LCD_WIDTH) || ((unsigned)y >= LCD_HEIGHT))
+        return;
+    if (((unsigned)(x + nx)) >= LCD_WIDTH)
+        nx = LCD_WIDTH - x;
+    if (((unsigned)(y + ny)) >= LCD_HEIGHT)
+        ny = LCD_HEIGHT - y;      
+
+    shift = y & 7;
+    dst2 = &lcd_framebuffer[x][y/8];
+    ny += shift;
+
+    /* Calculate bit masks */
+    mask4 = ~(0xfe << ((ny-1) & 7));
+    if (clear)
+    {
+        mask = ~(0xff << shift);
+        mask2 = 0;
+        mask3 = ~mask4;
+        if (ny <= 8)
+            mask3 |= mask;
+    }
+    else
+        mask = mask2 = mask3 = 0xff;
+
+    /* Loop for each column */
+    for (x = 0; x < nx; x++)
+    {
+        dst = dst2;
+        dst2 += LCD_HEIGHT/8;
+        data = 0;
+        y = 0;
+
+        if (ny > 8)
+        {
+            /* First partial row */
+            data = *src++ << shift;
+            *dst = (*dst & mask) | data;
+            data >>= 8;
+            dst++;
+
+            /* Intermediate rows */
+            for (y = 8; y < ny-8; y += 8)
+            {
+                data |= *src++ << shift;
+                *dst = (*dst & mask2) | data;
+                data >>= 8;
+                dst++;
+            }
+        }
+
+        /* Last partial row */
+        if (y + shift < ny)
+            data |= *src++ << shift;
+        *dst = (*dst & mask3) | (data & mask4);
+    }
+}
+
+/* 
+ * Draw a rectangle with upper left corner at (x, y)
+ * and size (nx, ny)
+ */
+void lcd_drawrect (int x, int y, int nx, int ny)
+{
+    int i;
+
+    if (x > LCD_WIDTH)
+        return;
+    if (y > LCD_HEIGHT)
+        return;
+
+    if (x + nx > LCD_WIDTH)
+        nx = LCD_WIDTH - x;
+    if (y + ny > LCD_HEIGHT)
+        ny = LCD_HEIGHT - y;
+
+    /* vertical lines */
+    for (i = 0; i < ny; i++) {
+        DRAW_PIXEL(x, (y + i));
+        DRAW_PIXEL((x + nx - 1), (y + i));
+    }
+
+    /* horizontal lines */
+    for (i = 0; i < nx; i++) {
+        DRAW_PIXEL((x + i),y);
+        DRAW_PIXEL((x + i),(y + ny - 1));
+    }
+}
+
+/*
+ * Clear a rectangular area at (x, y), size (nx, ny)
+ */
+void lcd_clearrect (int x, int y, int nx, int ny)
+{
+    int i;
+    for (i = 0; i < nx; i++)
+        lcd_bitmap (zeros, x+i, y, 1, ny, true);
+}
+
+/*
+ * Fill a rectangular area at (x, y), size (nx, ny)
+ */
+void lcd_fillrect (int x, int y, int nx, int ny)
+{
+    int i;
+    for (i = 0; i < nx; i++)
+        lcd_bitmap (ones, x+i, y, 1, ny, true);
+}
+
+/* Invert a rectangular area at (x, y), size (nx, ny) */
+void lcd_invertrect (int x, int y, int nx, int ny)
+{
+    int i, j;
+
+    if (x > LCD_WIDTH)
+        return;
+    if (y > LCD_HEIGHT)
+        return;
+
+    if (x + nx > LCD_WIDTH)
+        nx = LCD_WIDTH - x;
+    if (y + ny > LCD_HEIGHT)
+        ny = LCD_HEIGHT - y;
+
+    for (i = 0; i < nx; i++)
+        for (j = 0; j < ny; j++)
+            INVERT_PIXEL((x + i), (y + j));
+}
+
+void lcd_drawline( int x1, int y1, int x2, int y2 )
+{
+    int numpixels;
+    int i;
+    int deltax, deltay;
+    int d, dinc1, dinc2;
+    int x, xinc1, xinc2;
+    int y, yinc1, yinc2;
+
+    deltax = abs(x2 - x1);
+    deltay = abs(y2 - y1);
+
+    if(deltax >= deltay)
+    {
+        numpixels = deltax;
+        d = 2 * deltay - deltax;
+        dinc1 = deltay * 2;
+        dinc2 = (deltay - deltax) * 2;
+        xinc1 = 1;
+        xinc2 = 1;
+        yinc1 = 0;
+        yinc2 = 1;
+    }
+    else
+    {
+        numpixels = deltay;
+        d = 2 * deltax - deltay;
+        dinc1 = deltax * 2;
+        dinc2 = (deltax - deltay) * 2;
+        xinc1 = 0;
+        xinc2 = 1;
+        yinc1 = 1;
+        yinc2 = 1;
+    }
+    numpixels++; /* include endpoints */
+
+    if(x1 > x2)
+    {
+        xinc1 = -xinc1;
+        xinc2 = -xinc2;
+    }
+
+    if(y1 > y2)
+    {
+        yinc1 = -yinc1;
+        yinc2 = -yinc2;
+    }
+
+    x = x1;
+    y = y1;
+
+    for(i=0; i<numpixels; i++)
+    {
+        DRAW_PIXEL(x,y);
+
+        if(d < 0)
+        {
+            d += dinc1;
+            x += xinc1;
+            y += yinc1;
+        }
+        else
+        {
+            d += dinc2;
+            x += xinc2;
+            y += yinc2;
+        }
+    }
+}
+
+void lcd_clearline( int x1, int y1, int x2, int y2 )
+{
+    int numpixels;
+    int i;
+    int deltax, deltay;
+    int d, dinc1, dinc2;
+    int x, xinc1, xinc2;
+    int y, yinc1, yinc2;
+
+    deltax = abs(x2 - x1);
+    deltay = abs(y2 - y1);
+
+    if(deltax >= deltay)
+    {
+        numpixels = deltax;
+        d = 2 * deltay - deltax;
+        dinc1 = deltay * 2;
+        dinc2 = (deltay - deltax) * 2;
+        xinc1 = 1;
+        xinc2 = 1;
+        yinc1 = 0;
+        yinc2 = 1;
+    }
+    else
+    {
+        numpixels = deltay;
+        d = 2 * deltax - deltay;
+        dinc1 = deltax * 2;
+        dinc2 = (deltax - deltay) * 2;
+        xinc1 = 0;
+        xinc2 = 1;
+        yinc1 = 1;
+        yinc2 = 1;
+    }
+    numpixels++; /* include endpoints */
+
+    if(x1 > x2)
+    {
+        xinc1 = -xinc1;
+        xinc2 = -xinc2;
+    }
+
+    if(y1 > y2)
+    {
+        yinc1 = -yinc1;
+        yinc2 = -yinc2;
+    }
+
+    x = x1;
+    y = y1;
+
+    for(i=0; i<numpixels; i++)
+    {
+        CLEAR_PIXEL(x,y);
+
+        if(d < 0)
+        {
+            d += dinc1;
+            x += xinc1;
+            y += yinc1;
+        }
+        else
+        {
+            d += dinc2;
+            x += xinc2;
+            y += yinc2;
+        }
+    }
+}
+
+/*
+ * Set a single pixel
+ */
+void lcd_drawpixel(int x, int y)
+{
+    DRAW_PIXEL(x,y);
+}
+
+/*
+ * Clear a single pixel
+ */
+void lcd_clearpixel(int x, int y)
+{
+    CLEAR_PIXEL(x,y);
+}
+
+/*
+ * Invert a single pixel
+ */
+void lcd_invertpixel(int x, int y)
+{
+    INVERT_PIXEL(x,y);
+}
+
+void lcd_puts_scroll(int x, int y, unsigned char* string )
+{
+    struct scrollinfo* s = &scroll;
+    int w, h;
+
+    lcd_puts(x,y,string);
+    lcd_getstringsize(string, &w, &h);
+
+    if (LCD_WIDTH - x*8 - xmargin < w)
+    {
+        /* prepare scroll line */
+        char *end;
+
+        memset(s->line, 0, sizeof s->line);
+        strcpy(s->line, string);
+        strcat(s->line, "   ");
+        /* get new width incl. spaces */
+        s->width = lcd_getstringsize(s->line, &w, &h);
+
+        for (end = s->line; *end; end++);
+        strncpy(end, string, LCD_WIDTH/2);
+
+        s->len = strlen(string);
+        s->offset = 0;
+        s->startx = x;
+        s->starty = y;
+        scroll_count = 1;
+    }
+}
+
+
+void lcd_stop_scroll(void)
+{
+    if ( scroll_count ) {
+        int w,h;
+        struct scrollinfo* s = &scroll;
+        scroll_count = 0;
+
+        lcd_getstringsize(s->line, &w, &h);
+        lcd_clearrect(xmargin + s->startx*w/s->len,
+                      ymargin + s->starty*h,
+                      LCD_WIDTH - xmargin,
+                      h);
+
+        /* restore scrolled row */
+        lcd_puts(s->startx,s->starty,s->line);
+        lcd_update();
+    }
+}
+
+void lcd_scroll_pause(void)
+{
+    scroll_count = 0;
+}
+
+void lcd_scroll_resume(void)
+{
+    scroll_count = 1;
+}
+
+void lcd_scroll_speed(int speed)
+{
+    scroll_step = speed;
+}
+
+static void scroll_thread(void)
+{
+    struct scrollinfo* s = &scroll;
+
+    while ( 1 ) {
+        if ( !scroll_count ) {
+            yield();
+            continue;
+        }
+        /* wait 0.5s before starting scroll */
+        if ( scroll_count < scroll_speed/2 )
+            scroll_count++;
+        else {
+            int w, h;
+            int xpos, ypos;
+
+            s->offset += scroll_step;
+
+            if (s->offset >= s->width)
+                s->offset %= s->width;
+
+            lcd_getstringsize(s->line, &w, &h);
+            xpos = xmargin + (s->startx-1) * w / s->len;
+            ypos = ymargin + s->starty * h;
+
+            lcd_clearrect(xpos, ypos, LCD_WIDTH - xmargin, h);
+            lcd_putsxyofs(xpos, ypos, s->offset, s->line);
+            lcd_update();
+        }
+        sleep(HZ/scroll_speed);
+    }
+}
+
+#endif
+
+/* -----------------------------------------------------------------
+ * local variables:
+ * eval: (load-file "../rockbox-mode.el")
+ * end:
+ */