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| author | Jens Arnold <amiconn@rockbox.org> | 2006-11-12 13:22:59 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2006-11-12 13:22:59 +0000 |
| commit | 6bdf3ee6f28097e25770ae43e28dd4b59054e88f (patch) | |
| tree | fb95473e5753cb801c643e31b1b30033a33bafe6 /firmware/drivers | |
| parent | 3875b5766769a5f75d460614c0279aaad72e0922 (diff) | |
| download | rockbox-6bdf3ee6f28097e25770ae43e28dd4b59054e88f.zip rockbox-6bdf3ee6f28097e25770ae43e28dd4b59054e88f.tar.gz rockbox-6bdf3ee6f28097e25770ae43e28dd4b59054e88f.tar.bz2 rockbox-6bdf3ee6f28097e25770ae43e28dd4b59054e88f.tar.xz | |
Split 1 bit LCD code and move appropriate parts to target tree. Only archos code is tested.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11517 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers')
| -rwxr-xr-x[-rw-r--r--] | firmware/drivers/lcd-1bit-vert.c (renamed from firmware/drivers/lcd-recorder.c) | 230 |
1 files changed, 3 insertions, 227 deletions
diff --git a/firmware/drivers/lcd-recorder.c b/firmware/drivers/lcd-1bit-vert.c index 5c4a035..6ae92af 100644..100755 --- a/firmware/drivers/lcd-recorder.c +++ b/firmware/drivers/lcd-1bit-vert.c @@ -33,47 +33,7 @@ /*** 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_MULTIPLEX_RATIO ((char)0xA8) -#define LCD_SET_BIAS_TC_OSC ((char)0xA9) -#define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA) -#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_TOTAL_FRAME_PHASES ((char)0xD2) -#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 SCROLLABLE_LINES 13 +#define SCROLLABLE_LINES ((LCD_HEIGHT+4)/5 < 32 ? (LCD_HEIGHT+4)/5 : 32) /*** globals ***/ @@ -83,9 +43,6 @@ static int drawmode = DRMODE_SOLID; static int xmargin = 0; static int ymargin = 0; static int curfont = FONT_SYSFIXED; -#ifndef SIMULATOR -static int xoffset; /* needed for flip */ -#endif /* scrolling */ static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */ @@ -104,197 +61,16 @@ static const char scroll_tick_table[16] = { 100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3 }; -/*** driver routines ***/ - -/* optimised archos recorder code is in lcd.S */ - -#if CONFIG_CPU == PNX0101 - -void lcd_write_command(int cmd) -{ - while ((LCDSTAT & 3) != 3); - LCDCMD = cmd; -} - -void lcd_write_data( const unsigned char* data, int count ) -{ - int i; - for (i=0; i < count; i++) { - while ((LCDSTAT & 3) != 3); - LCDDATA = data[i]; - } -} - -#endif - -/*** hardware configuration ***/ - -#ifndef SIMULATOR - -int lcd_default_contrast(void) -{ -#if CONFIG_LCD == LCD_IFP7XX - return 45; -#else - return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49; -#endif -} - -void lcd_set_contrast(int val) -{ - lcd_write_command(LCD_CNTL_CONTRAST); - lcd_write_command(val); -} - -void lcd_set_invert_display(bool yesno) -{ - if (yesno) - lcd_write_command(LCD_SET_REVERSE_DISPLAY); - else - lcd_write_command(LCD_SET_NORMAL_DISPLAY); -} - -/* turn the display upside down (call lcd_update() afterwards) */ -void lcd_set_flip(bool yesno) -{ -#ifdef HAVE_DISPLAY_FLIPPED - if (!yesno) -#else - if (yesno) -#endif - { - lcd_write_command(LCD_SET_SEGMENT_REMAP); - lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION); - xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 112 we have */ - } - else - { - lcd_write_command(LCD_SET_SEGMENT_REMAP | 0x01); - lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION | 0x08); -#if CONFIG_LCD == LCD_IFP7XX - xoffset = 4; -#else - xoffset = 0; -#endif - } -} - -#endif /* !SIMULATOR */ - /* LCD init */ -#ifdef SIMULATOR - void lcd_init(void) { - create_thread(scroll_thread, scroll_stack, - sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); -} -#else - -void lcd_init(void) -{ -#if CONFIG_CPU == PNX0101 - LCDREG10 = 0xf; - LCDREG04 = 0x4084; -#else - /* Initialize PB0-3 as output pins */ - PBCR2 &= 0xff00; /* MD = 00 */ - PBIOR |= 0x000f; /* IOR = 1 */ -#endif - - /* inits like the original firmware */ - lcd_write_command(LCD_SOFTWARE_RESET); - lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4); -#if CONFIG_LCD == LCD_IFP7XX - lcd_write_command(LCD_SET_LCD_BIAS); -#else - lcd_write_command(LCD_SET_1OVER4_BIAS_RATIO + 0); /* force 1/4 bias: 0 */ -#endif - lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER + 7); - /* power control register: op-amp=1, regulator=1, booster=1 */ - lcd_write_command(LCD_SET_DISPLAY_ON); - lcd_write_command(LCD_SET_NORMAL_DISPLAY); - lcd_set_flip(false); - lcd_write_command(LCD_SET_DISPLAY_START_LINE + 0); - lcd_set_contrast(lcd_default_contrast()); - lcd_write_command(LCD_SET_PAGE_ADDRESS); - lcd_write_command(LCD_SET_LOWER_COLUMN_ADDRESS + 0); - lcd_write_command(LCD_SET_HIGHER_COLUMN_ADDRESS + 0); - lcd_clear_display(); - lcd_update(); - + /* Call device specific init */ + lcd_init_device(); create_thread(scroll_thread, scroll_stack, sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); } -/*** Update functions ***/ - -/* Performance function that works with an external buffer - note that by and bheight are in 8-pixel units! */ -void lcd_blit(const unsigned char* data, int x, int by, int width, - int bheight, int stride) -{ - /* Copy display bitmap to hardware */ - while (bheight--) - { - lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset)>>4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf)); - - lcd_write_data(data, width); - data += stride; - } -} - - -/* Update the display. - This must be called after all other LCD functions that change the display. */ -void lcd_update(void) ICODE_ATTR; -void lcd_update(void) -{ - int y; - - /* Copy display bitmap to hardware */ - for (y = 0; y < LCD_HEIGHT/8; y++) - { - lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | (xoffset & 0xf)); - - lcd_write_data (lcd_framebuffer[y], LCD_WIDTH); - } -} - -/* Update a fraction of the display. */ -void lcd_update_rect(int, int, int, int) ICODE_ATTR; -void lcd_update_rect(int x, int y, int width, int height) -{ - int ymax; - - /* The Y coordinates have to work on even 8 pixel rows */ - ymax = (y + height-1) >> 3; - y >>= 3; - - if(x + width > LCD_WIDTH) - width = LCD_WIDTH - x; - if (width <= 0) - return; /* nothing left to do, 0 is harmful to lcd_write_data() */ - if(ymax >= LCD_HEIGHT/8) - ymax = LCD_HEIGHT/8-1; - - /* Copy specified rectange bitmap to hardware */ - for (; y <= ymax; y++) - { - lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf)); - - lcd_write_data (&lcd_framebuffer[y][x], width); - } -} -#endif /* !SIMULATOR */ - /*** parameter handling ***/ void lcd_set_drawmode(int mode) |