forked from len0rd/rockbox
Rewritten based on lcd-player.c.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2715 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mats Lidell
parent
a99c565d72
commit
786d2c3cb3
1 changed files with 134 additions and 318 deletions
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@ -17,6 +17,7 @@
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*
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****************************************************************************/
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#include "config.h"
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#include "hwcompat.h"
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#include "lcd.h"
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#include "kernel.h"
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@ -30,244 +31,19 @@
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/*** definitions ***/
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#define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00)
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#define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10)
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#define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20)
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#define LCD_SET_POWER_CONTROL_REGISTER ((char)0x28)
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#define LCD_SET_DISPLAY_START_LINE ((char)0x40)
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#define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81)
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#define LCD_SET_SEGMENT_REMAP ((char)0xA0)
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#define LCD_SET_LCD_BIAS ((char)0xA2)
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#define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4)
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#define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5)
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#define LCD_SET_NORMAL_DISPLAY ((char)0xA6)
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#define LCD_SET_REVERSE_DISPLAY ((char)0xA7)
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#define LCD_SET_INDICATOR_OFF ((char)0xAC)
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#define LCD_SET_INDICATOR_ON ((char)0xAD)
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#define LCD_SET_DISPLAY_OFF ((char)0xAE)
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#define LCD_SET_DISPLAY_ON ((char)0xAF)
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#define LCD_SET_PAGE_ADDRESS ((char)0xB0)
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#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0)
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#define LCD_SET_DISPLAY_OFFSET ((char)0xD3)
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#define LCD_SET_READ_MODIFY_WRITE_MODE ((char)0xE0)
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#define LCD_SOFTWARE_RESET ((char)0xE2)
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#define LCD_NOP ((char)0xE3)
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#define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE ((char)0xEE)
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#define CHAR_WIDTH 6
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#define CHAR_HEIGHT 8
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#define ICON_HEIGHT 8
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/* LCD command codes */
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#define LCD_CNTL_RESET 0xe2 // Software reset
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#define LCD_CNTL_POWER 0x2f // Power control
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#define LCD_CNTL_CONTRAST 0x81 // Contrast
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#define LCD_CNTL_OUTSCAN 0xc8 // Output scan direction
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#define LCD_CNTL_SEGREMAP 0xa1 // Segment remap
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#define LCD_CNTL_DISPON 0xaf // Display on
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#define LCD_CNTL_PAGE 0xb0 // Page address
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#define LCD_CNTL_HIGHCOL 0x10 // Upper column address
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#define LCD_CNTL_LOWCOL 0x00 // Lower column address
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#define SCROLL_SPACING 3
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struct scrollinfo {
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char line[MAX_PATH + LCD_WIDTH/2 + SCROLL_SPACING + 2];
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int len; /* length of line in chars */
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int width; /* length of line in pixels */
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int offset;
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int startx;
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int starty;
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};
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static void scroll_thread(void);
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static char scroll_stack[DEFAULT_STACK_SIZE];
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static char scroll_name[] = "scroll";
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static char scroll_speed = 8; /* updates per second */
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static char scroll_step = 6; /* pixels per scroll step */
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static struct scrollinfo scroll; /* only one scroll line at the moment */
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static int scroll_count = 0;
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static int xmargin = 0;
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static int ymargin = 0;
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static int curfont = FONT_SYSFIXED;
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#ifdef SIMULATOR
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unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
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#else
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static unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
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#endif
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/* All zeros and ones bitmaps for area filling */
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static unsigned char zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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static unsigned char ones[8] = { 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff};
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void lcd_init(void)
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{
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create_thread(scroll_thread, scroll_stack,
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sizeof(scroll_stack), scroll_name);
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}
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void lcd_clear_display (void)
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{
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memset (lcd_framebuffer, 0, sizeof lcd_framebuffer);
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}
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static int double_height=1;
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void lcd_setmargins(int x, int y)
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{
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xmargin = x;
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ymargin = y;
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}
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int lcd_getxmargin(void)
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{
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return xmargin;
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}
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int lcd_getymargin(void)
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{
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return ymargin;
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}
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void lcd_setfont(int newfont)
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{
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curfont = newfont;
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}
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int lcd_getstringsize(unsigned char *str, int *w, int *h)
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{
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struct font* pf = font_get(curfont);
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int ch;
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int width = 0;
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while((ch = *str++)) {
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/* check input range*/
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if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
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ch = pf->defaultchar;
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ch -= pf->firstchar;
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/* get proportional width and glyph bits*/
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width += pf->width? pf->width[ch]: pf->maxwidth;
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}
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if ( w )
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*w = width;
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if ( h )
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*h = pf->height;
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return width;
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}
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/* put a string at a given char position */
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void lcd_puts(int x, int y, unsigned char *str)
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{
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int xpos,ypos,w,h;
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#if defined(HAVE_LCD_CHARCELLS)
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/* We make the simulator truncate the string if it reaches the right edge,
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as otherwise it'll wrap. The real target doesn't wrap. */
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char buffer[12];
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if(strlen(str)+x > 11 ) {
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strncpy(buffer, str, sizeof buffer);
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buffer[11-x]=0;
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str = buffer;
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}
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xmargin = 0;
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ymargin = 8;
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#endif
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if(!str || !str[0])
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return;
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lcd_getstringsize(str, &w, &h);
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xpos = xmargin + x*w / strlen(str);
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ypos = ymargin + y*h;
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lcd_putsxy(xpos, ypos, str);
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/* lcd_clearrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h); */
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#if defined(HAVE_LCD_CHARCELLS)
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/* this function is being used when simulating a charcell LCD and
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then we update immediately */
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lcd_update();
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#endif
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}
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extern char* get_lcd_pattern(int width);
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/* put a string at a given pixel position, skipping first ofs pixel columns */
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static void lcd_putsxyofs(int x, int y, int ofs, unsigned char *str)
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{
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int ch;
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struct font* pf = font_get(curfont);
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while ((ch = *str++) != '\0' && x < LCD_WIDTH)
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{
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int width;
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/* check input range */
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if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
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#ifndef SIMULATOR
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ch = pf->defaultchar;
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#else
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{
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if (ch > 8)
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ch = pf->defaultchar;
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else
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{
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char* bm = get_lcd_pattern(ch);
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width = 6;
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lcd_bitmap(bm, x, y, width, 8, true);
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x += width;
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continue;
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}
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}
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#endif
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ch -= pf->firstchar;
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/* no partial-height drawing for now... */
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if (y + pf->height > LCD_HEIGHT)
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break;
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/* get proportional width and glyph bits */
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width = pf->width ? pf->width[ch] : pf->maxwidth;
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width = MIN (width, LCD_WIDTH - x);
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if (ofs != 0)
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{
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if (ofs > width)
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{
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ofs -= width;
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continue;
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}
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width -= ofs;
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}
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if (width > 0)
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{
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int rows = (pf->height + 7) / 8;
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bitmap_t* bits = pf->bits +
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(pf->offset ? pf->offset[ch] : (pf->height * ch));
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lcd_bitmap (((unsigned char*) bits) + ofs*rows, x, y,
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width, pf->height, true);
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x += width;
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}
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ofs = 0;
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}
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}
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/* put a string at a given pixel position */
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void lcd_putsxy(int x, int y, unsigned char *str)
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{
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lcd_putsxyofs(x, y, 0, str);
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}
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/*
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* All bitmaps have this format:
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* Bits within a byte are arranged veritcally, LSB at top.
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* Bytes are stored in column-major format, with byte 0 at top left,
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* byte 1 is 2nd from top, etc. Bytes following left-most column
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* starts 2nd left column, etc.
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*
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* Note: The HW takes bitmap bytes in row-major order.
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*
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* Memory copy of display bitmap
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*/
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/*
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* Draw a bitmap at (x, y), size (nx, ny)
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@ -575,106 +351,146 @@ void lcd_invertpixel(int x, int y)
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INVERT_PIXEL(x,y);
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}
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void lcd_puts_scroll(int x, int y, unsigned char* string )
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void lcd_clear_display(void)
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{
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struct scrollinfo* s = &scroll;
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int w, h;
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memset (lcd_framebuffer, 0, sizeof lcd_framebuffer);
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}
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lcd_puts(x,y,string);
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lcd_getstringsize(string, &w, &h);
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/* put a string at a given pixel position, skipping first ofs pixel columns */
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static void lcd_putsxyofs(int x, int y, int ofs, unsigned char *str)
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{
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int ch;
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struct font* pf = font_get(2);
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if ((LCD_WIDTH - x*6 - xmargin) < w)
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while ((ch = *str++) != '\0' && x < LCD_WIDTH)
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{
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/* prepare scroll line */
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char *end;
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int width;
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memset(s->line, 0, sizeof s->line);
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strcpy(s->line, string);
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strcat(s->line, " ");
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/* get new width incl. spaces */
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s->width = lcd_getstringsize(s->line, &w, &h);
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/* check input range */
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if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
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ch = pf->defaultchar;
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ch -= pf->firstchar;
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for (end = s->line; *end; end++);
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strncpy(end, string, LCD_WIDTH/2);
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/* no partial-height drawing for now... */
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if (y + pf->height > LCD_HEIGHT)
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break;
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s->len = strlen(string);
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s->offset = 0;
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s->startx = x;
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s->starty = y;
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scroll_count = 1;
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}
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}
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/* get proportional width and glyph bits */
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width = pf->width ? pf->width[ch] : pf->maxwidth;
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width = MIN (width, LCD_WIDTH - x);
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void lcd_stop_scroll(void)
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{
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if ( scroll_count ) {
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int w,h;
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struct scrollinfo* s = &scroll;
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scroll_count = 0;
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lcd_getstringsize(s->line, &w, &h);
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lcd_clearrect(xmargin + s->startx*w/s->len,
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ymargin + s->starty*h,
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LCD_WIDTH - xmargin,
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h);
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/* restore scrolled row */
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lcd_puts(s->startx,s->starty,s->line);
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lcd_update();
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}
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}
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void lcd_scroll_pause(void)
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{
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scroll_count = 0;
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}
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void lcd_scroll_resume(void)
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{
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scroll_count = 1;
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}
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void lcd_scroll_speed(int speed)
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{
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scroll_step = speed;
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}
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static void scroll_thread(void)
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{
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struct scrollinfo* s = &scroll;
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while ( 1 ) {
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if ( !scroll_count ) {
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yield();
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continue;
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if (ofs != 0)
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{
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if (ofs > width)
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{
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ofs -= width;
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continue;
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}
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width -= ofs;
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}
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/* wait 0.5s before starting scroll */
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if ( scroll_count < scroll_speed/2 )
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scroll_count++;
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else {
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int w, h;
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int xpos, ypos;
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s->offset += scroll_step;
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if (s->offset >= s->width)
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s->offset %= s->width;
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lcd_getstringsize(s->line, &w, &h);
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xpos = xmargin + s->startx * s->width / s->len;
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ypos = ymargin + s->starty * h;
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lcd_clearrect(xpos, ypos, LCD_WIDTH - xmargin, h);
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lcd_putsxyofs(xpos, ypos, s->offset, s->line);
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lcd_update();
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if (width > 0)
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{
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int rows = (pf->height + 7) / 8;
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bitmap_t* bits = pf->bits +
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(pf->offset ? pf->offset[ch] : (pf->height * ch));
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lcd_bitmap (((unsigned char*) bits) + ofs*rows, x, y,
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width, pf->height, true);
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x += width;
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}
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sleep(HZ/scroll_speed);
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ofs = 0;
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}
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}
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/* -----------------------------------------------------------------
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* local variables:
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* eval: (load-file "../rockbox-mode.el")
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* end:
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*/
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/* put a string at a given pixel position */
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void lcd_putsxy(int x, int y, unsigned char *str)
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{
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lcd_putsxyofs(x, y, 0, str);
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}
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void lcd_puts(int x, int y, unsigned char *str)
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{
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int xpos,ypos;
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/* We make the simulator truncate the string if it reaches the right edge,
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as otherwise it'll wrap. The real target doesn't wrap. */
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char buffer[12];
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if(strlen(str)+x > 11 ) {
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strncpy(buffer, str, sizeof buffer);
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buffer[11-x]=0;
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str = buffer;
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}
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xpos = CHAR_WIDTH * x;
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ypos = ICON_HEIGHT + CHAR_HEIGHT * y;
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lcd_clearrect(xpos, ypos, LCD_WIDTH - xpos, CHAR_HEIGHT * double_height);
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lcd_putsxy(xpos, ypos, str);
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/* this function is being used when simulating a charcell LCD and
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then we update immediately */
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lcd_update();
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}
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void lcd_double_height(bool on)
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{
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double_height = 1;
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if (on)
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double_height = 2;
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}
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static char patterns[8][7];
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void lcd_define_pattern(int which, char *pattern, int length)
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{
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int i, j;
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int pat = which / 8;
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char icon[8];
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memset(icon, 0, sizeof icon);
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DEBUGF("Defining pattern %d\n", pat);
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for (j = 0; j <= 5; j++) {
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for (i = 0; i < length; i++) {
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if ((pattern[i])&(1<<(j)))
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icon[5-j] |= (1<<(i));
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}
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}
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for (i = 0; i <= 5; i++)
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{
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patterns[pat][i] = icon[i];
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}
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}
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char* get_lcd_pattern(int which)
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{
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DEBUGF("Get pattern %d\n", which);
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return patterns[which];
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}
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extern void lcd_puts(int x, int y, unsigned char *str);
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void lcd_putc(int x, int y, unsigned char ch)
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{
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char str[2];
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int xpos = x * CHAR_WIDTH;
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int ypos = ICON_HEIGHT + y * CHAR_HEIGHT;
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if (ch <= 8)
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{
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char* bm = get_lcd_pattern(ch);
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lcd_bitmap(bm, xpos, ypos, CHAR_WIDTH, CHAR_HEIGHT, true);
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return;
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}
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if (ch == 137) {
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/* Have no good font yet. Simulate the cursor character. */
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ch = '>';
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}
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str[0] = ch;
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str[1] = 0;
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lcd_clearrect(xpos, ypos, CHAR_WIDTH, CHAR_HEIGHT * double_height);
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lcd_putsxy(xpos, ypos, str);
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/* this function is being used when simulating a charcell LCD and
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then we update immediately */
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lcd_update();
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue