From 36e935f1b76c3d5eb6a2f6ceeafb0fdc3410ebcb Mon Sep 17 00:00:00 2001 From: Mats Lidell Date: Fri, 11 Oct 2002 11:10:52 +0000 Subject: Created. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2579 a1c6a512-1295-4272-9138-f99709370657 --- uisimulator/common/lcd-playersim.c | 684 +++++++++++++++++++++++++++++++++++++ 1 file changed, 684 insertions(+) create mode 100644 uisimulator/common/lcd-playersim.c 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 +#include +#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= 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; iline, 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: + */ -- cgit v1.2.3