From 86f9a8410b8cfe53b11ca10f4f6dbcc2440c0e97 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Mon, 23 Sep 2002 11:17:52 +0000 Subject: Split lcd driver into lcd-player and lcd-recorder. Player simulator still needs fixing. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2370 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/lcd-recorder.c | 766 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 766 insertions(+) create mode 100644 firmware/drivers/lcd-recorder.c (limited to 'firmware/drivers/lcd-recorder.c') diff --git a/firmware/drivers/lcd-recorder.c b/firmware/drivers/lcd-recorder.c new file mode 100644 index 0000000000..9f19bb89f0 --- /dev/null +++ b/firmware/drivers/lcd-recorder.c @@ -0,0 +1,766 @@ +/*************************************************************************** + * __________ __ ___. + * 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 + +struct scrollinfo { + char text[MAX_PATH]; + char line[32]; + int textlen; + int offset; + int startx; + int starty; + int space; +}; + +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_spacing = 3; /* spaces between end and start of text */ +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 }; +static unsigned char ones[8] = { 0xff }; + +#ifdef SIMULATOR + +void lcd_init(void) +{ + create_thread(scroll_thread, scroll_stack, + sizeof(scroll_stack), scroll_name); +} + +#else + +/* + * Initialize LCD + */ +void lcd_init (void) +{ + /* Initialize PB0-3 as output pins */ + PBCR2 &= 0xff00; /* MD = 00 */ + PBIOR |= 0x000f; /* IOR = 1 */ + + lcd_clear_display(); + lcd_update(); + create_thread(scroll_thread, scroll_stack, + sizeof(scroll_stack), scroll_name); +} + +/* + * Update the display. + * This must be called after all other LCD functions that change the display. + */ +void lcd_update (void) __attribute__ ((section (".icode"))); +void lcd_update (void) +{ + int x, y; + + /* Copy display bitmap to hardware */ + for (y = 0; y < LCD_HEIGHT/8; y++) + { + lcd_write (true, LCD_CNTL_PAGE | (y & 0xf)); + lcd_write (true, LCD_CNTL_HIGHCOL); + lcd_write (true, LCD_CNTL_LOWCOL); + + for (x = 0; x < LCD_WIDTH; x++) + lcd_write (false, lcd_framebuffer[x][y]); + } +} + +/* + * Update a fraction of the display. + */ +void lcd_update_rect (int, int, int, int) __attribute__ ((section (".icode"))); +void lcd_update_rect (int x_start, int y, + int width, int height) +{ + int ymax; + int xmax; + int x; + + /* The Y coordinates have to work on even 8 pixel rows */ + ymax = (y + height)/8; + y /= 8; + + xmax = x_start + width; + + if(xmax > LCD_WIDTH) + xmax = LCD_WIDTH; + if(ymax >= LCD_HEIGHT/8) + ymax = LCD_HEIGHT/8-1; + + /* Copy specified rectange bitmap to hardware */ + for (; y <= ymax; y++) + { + lcd_write (true, LCD_CNTL_PAGE | (y & 0xf)); + lcd_write (true, LCD_CNTL_HIGHCOL | ((x_start>>4) & 0xf)); + lcd_write (true, LCD_CNTL_LOWCOL | (x_start & 0xf)); + + for (x = x_start; x < xmax; x++) + lcd_write (false, lcd_framebuffer[x][y]); + } +} + +void lcd_set_contrast(int val) +{ + lcd_write(true, LCD_CNTL_CONTRAST); + lcd_write(true, val); +} + +/** + * Rolls up the lcd display by the specified amount of lines. + * Lines that are rolled out over the top of the screen are + * rolled in from the bottom again. This is a hardware + * remapping only and all operations on the lcd are affected. + * -> + * @param int lines - The number of lines that are rolled. + * The value must be 0 <= pixels < LCD_HEIGHT. + */ +void lcd_roll(int lines) +{ + lcd_write(true, LCD_SET_DISPLAY_START_LINE | (lines & (LCD_HEIGHT-1))); +} + +#endif /* SIMULATOR */ + +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; +} + +void lcd_getfontsize(int font, int *width, int *height) +{ + struct font* pf = font_get(font); + + *width = pf->maxwidth; + *height = pf->height; +} + +int lcd_getstringsize(unsigned char *str, int font, int *w, int *h) +{ + struct font* pf = font_get(font); + 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; + } + *w = width; + *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(SIMULATOR) && 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, curfont, &w, &h); + xpos = xmargin + x*w / strlen(str); + ypos = ymargin + y*h; + lcd_putsxy( xpos, ypos, str, curfont); + lcd_clearrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h); + +#if defined(SIMULATOR) && defined(HAVE_LCD_CHARCELLS) + /* this function is being used when simulating a charcell LCD and + then we update immediately */ + lcd_update(); +#endif +} + +/* put a string at a given pixel position */ +void lcd_putsxy(int x, int y, unsigned char *str, int font) +{ + int ch; + struct font* pf = font_get(font); + + while (((ch = *str++) != '\0')) { + bitmap_t *bits; + int width; + + /* 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 (x + width > LCD_WIDTH) + break; + + /* no partial-height drawing for now...*/ + if (y + pf->height > LCD_HEIGHT) + break; + bits = pf->bits + (pf->offset ? pf->offset[ch] : (pf->height * ch)); + + lcd_bitmap((unsigned char *)bits, x, y, width, pf->height, true); + x += width; + } +} + +/* + * 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; ispace = 0; + while ( ch[0] && + (width + lcd_getstringsize(ch, curfont, &w, &h) < + (LCD_WIDTH - x*8))) { + width += w; + s->space++; + ch[0]=string[s->space]; + } + + lcd_puts(x,y,string); + s->textlen = strlen(string); + + s->space += 2; + lcd_getstringsize(string,curfont,&w,&h); + if ( w > LCD_WIDTH - xmargin ) { + s->offset=s->space; + s->startx=x; + s->starty=y; + strncpy(s->text,string,sizeof s->text); + s->text[sizeof s->text - 1] = 0; + memset(s->line, 0, sizeof s->line); + strncpy(s->line,string, + s->space > (int)sizeof s->line ? + (int)sizeof s->line : s->space ); + s->line[sizeof s->line - 1] = 0; + scroll_count = 1; + } +} + + +void lcd_stop_scroll(void) +{ + if ( scroll_count ) { + int w,h; + struct scrollinfo* s = &scroll; + scroll_count = 0; + + lcd_getstringsize( s->text, FONT_UI, &w, &h); + lcd_clearrect(xmargin + s->startx*w/s->textlen, + ymargin + s->starty*h, + LCD_WIDTH - xmargin, + h); + + /* restore scrolled row */ + lcd_puts(s->startx,s->starty,s->text); + 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_speed = 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 i; + int w, h; + for ( i=0; ispace-1; i++ ) + s->line[i] = s->line[i+1]; + + if ( s->offset < s->textlen ) { + s->line[(int)s->space - 1] = s->text[(int)s->offset]; + s->offset++; + } + else { + s->line[s->space - 1] = ' '; + if ( s->offset < s->textlen + scroll_spacing - 1 ) + s->offset++; + else + s->offset = 0; + } + + lcd_getstringsize( s->text, FONT_UI, &w, &h); + lcd_clearrect(xmargin + s->startx*w/s->textlen, + ymargin + s->starty*h, + LCD_WIDTH - xmargin, + h); + + lcd_puts(s->startx,s->starty,s->line); + lcd_update(); + } + sleep(HZ/scroll_speed); + } +} + +#endif + +/* ----------------------------------------------------------------- + * local variables: + * eval: (load-file "../rockbox-mode.el") + * end: + */ -- cgit v1.2.3