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
This commit is contained in:
Jens Arnold
parent
3875b57667
commit
6bdf3ee6f2
4 changed files with 419 additions and 228 deletions
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@ -70,7 +70,7 @@ font.c
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hangul.c
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lru.c
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#if LCD_DEPTH == 1
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drivers/lcd-recorder.c
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drivers/lcd-1bit-vert.c
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#elif LCD_DEPTH == 2
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#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
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drivers/lcd-2bit-horz.c
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@ -287,18 +287,21 @@ target/sh/archos/player/lcd-as-player.S
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#ifdef ARCHOS_RECORDER
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#ifndef SIMULATOR
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target/sh/archos/lcd-archos-bitmap.c
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target/sh/archos/lcd-as-archos-bitmap.S
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#endif /* SIMULATOR */
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#endif /* ARCHOS_RECORDER */
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#if defined(ARCHOS_FMRECORDER) || defined(ARCHOS_RECORDERV2)
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#ifndef SIMULATOR
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target/sh/archos/lcd-archos-bitmap.c
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target/sh/archos/lcd-as-archos-bitmap.S
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#endif /* SIMULATOR */
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#endif /* ARCHOS_FMRECORDER || ARCHOS_RECORDERV2 */
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#if defined(ARCHOS_ONDIOFM) || defined(ARCHOS_ONDIOSP)
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#ifndef SIMULATOR
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target/sh/archos/lcd-archos-bitmap.c
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target/sh/archos/lcd-as-archos-bitmap.S
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#endif /* SIMULATOR */
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#endif /* ARCHOS_ONDIOFM || ARCHOS_ONDIOFM */
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@ -526,6 +529,7 @@ target/arm/iriver/ifp7xx/power-ifp7xx.c
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target/arm/iriver/ifp7xx/adc-ifp7xx.c
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target/arm/iriver/ifp7xx/backlight-ifp7xx.c
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target/arm/iriver/ifp7xx/button-ifp7xx.c
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target/arm/iriver/ifp7xx/lcd-ifp7xx.c
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target/arm/iriver/ifp7xx/usb-ifp7xx.c
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#endif
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#endif
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230
firmware/drivers/lcd-recorder.c → firmware/drivers/lcd-1bit-vert.c
Normal file → Executable file
230
firmware/drivers/lcd-recorder.c → firmware/drivers/lcd-1bit-vert.c
Normal file → Executable file
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@ -33,47 +33,7 @@
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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_MULTIPLEX_RATIO ((char)0xA8)
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#define LCD_SET_BIAS_TC_OSC ((char)0xA9)
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#define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA)
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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_TOTAL_FRAME_PHASES ((char)0xD2)
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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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/* 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 SCROLLABLE_LINES 13
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#define SCROLLABLE_LINES ((LCD_HEIGHT+4)/5 < 32 ? (LCD_HEIGHT+4)/5 : 32)
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/*** globals ***/
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@ -83,9 +43,6 @@ static int drawmode = DRMODE_SOLID;
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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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#ifndef SIMULATOR
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static int xoffset; /* needed for flip */
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#endif
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/* scrolling */
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static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */
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@ -104,197 +61,16 @@ static const char scroll_tick_table[16] = {
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100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3
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};
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/*** driver routines ***/
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/* optimised archos recorder code is in lcd.S */
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#if CONFIG_CPU == PNX0101
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void lcd_write_command(int cmd)
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{
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while ((LCDSTAT & 3) != 3);
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LCDCMD = cmd;
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}
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void lcd_write_data( const unsigned char* data, int count )
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{
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int i;
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for (i=0; i < count; i++) {
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while ((LCDSTAT & 3) != 3);
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LCDDATA = data[i];
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}
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}
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#endif
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/*** hardware configuration ***/
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#ifndef SIMULATOR
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int lcd_default_contrast(void)
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{
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#if CONFIG_LCD == LCD_IFP7XX
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return 45;
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#else
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return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49;
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#endif
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}
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void lcd_set_contrast(int val)
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{
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lcd_write_command(LCD_CNTL_CONTRAST);
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lcd_write_command(val);
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}
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void lcd_set_invert_display(bool yesno)
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{
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if (yesno)
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lcd_write_command(LCD_SET_REVERSE_DISPLAY);
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else
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lcd_write_command(LCD_SET_NORMAL_DISPLAY);
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}
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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#ifdef HAVE_DISPLAY_FLIPPED
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if (!yesno)
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#else
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if (yesno)
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#endif
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{
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lcd_write_command(LCD_SET_SEGMENT_REMAP);
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lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION);
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xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 112 we have */
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}
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else
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{
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lcd_write_command(LCD_SET_SEGMENT_REMAP | 0x01);
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lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION | 0x08);
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#if CONFIG_LCD == LCD_IFP7XX
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xoffset = 4;
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#else
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xoffset = 0;
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#endif
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}
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}
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#endif /* !SIMULATOR */
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/* LCD init */
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#ifdef SIMULATOR
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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 IF_PRIO(, PRIORITY_USER_INTERFACE));
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}
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#else
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void lcd_init(void)
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{
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#if CONFIG_CPU == PNX0101
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LCDREG10 = 0xf;
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LCDREG04 = 0x4084;
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#else
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/* Initialize PB0-3 as output pins */
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PBCR2 &= 0xff00; /* MD = 00 */
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PBIOR |= 0x000f; /* IOR = 1 */
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#endif
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/* inits like the original firmware */
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lcd_write_command(LCD_SOFTWARE_RESET);
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lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4);
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#if CONFIG_LCD == LCD_IFP7XX
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lcd_write_command(LCD_SET_LCD_BIAS);
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#else
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lcd_write_command(LCD_SET_1OVER4_BIAS_RATIO + 0); /* force 1/4 bias: 0 */
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#endif
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lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER + 7);
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/* power control register: op-amp=1, regulator=1, booster=1 */
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lcd_write_command(LCD_SET_DISPLAY_ON);
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lcd_write_command(LCD_SET_NORMAL_DISPLAY);
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lcd_set_flip(false);
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lcd_write_command(LCD_SET_DISPLAY_START_LINE + 0);
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lcd_set_contrast(lcd_default_contrast());
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lcd_write_command(LCD_SET_PAGE_ADDRESS);
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lcd_write_command(LCD_SET_LOWER_COLUMN_ADDRESS + 0);
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lcd_write_command(LCD_SET_HIGHER_COLUMN_ADDRESS + 0);
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lcd_clear_display();
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lcd_update();
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/* Call device specific init */
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lcd_init_device();
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create_thread(scroll_thread, scroll_stack,
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sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE));
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}
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/*** Update functions ***/
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/* Performance function that works with an external buffer
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note that by and bheight are in 8-pixel units! */
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void lcd_blit(const unsigned char* data, int x, int by, int width,
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int bheight, int stride)
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{
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/* Copy display bitmap to hardware */
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while (bheight--)
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{
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lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf));
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lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset)>>4) & 0xf));
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lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf));
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lcd_write_data(data, width);
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data += stride;
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}
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}
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/* Update the display.
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This must be called after all other LCD functions that change the display. */
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void lcd_update(void) ICODE_ATTR;
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void lcd_update(void)
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{
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int y;
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/* Copy display bitmap to hardware */
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for (y = 0; y < LCD_HEIGHT/8; y++)
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{
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lcd_write_command (LCD_CNTL_PAGE | (y & 0xf));
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lcd_write_command (LCD_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf));
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lcd_write_command (LCD_CNTL_LOWCOL | (xoffset & 0xf));
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lcd_write_data (lcd_framebuffer[y], LCD_WIDTH);
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}
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}
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/* Update a fraction of the display. */
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void lcd_update_rect(int, int, int, int) ICODE_ATTR;
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void lcd_update_rect(int x, int y, int width, int height)
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{
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int ymax;
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/* The Y coordinates have to work on even 8 pixel rows */
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ymax = (y + height-1) >> 3;
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y >>= 3;
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if(x + width > LCD_WIDTH)
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width = LCD_WIDTH - x;
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if (width <= 0)
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return; /* nothing left to do, 0 is harmful to lcd_write_data() */
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if(ymax >= LCD_HEIGHT/8)
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ymax = LCD_HEIGHT/8-1;
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/* Copy specified rectange bitmap to hardware */
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for (; y <= ymax; y++)
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{
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lcd_write_command (LCD_CNTL_PAGE | (y & 0xf));
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lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf));
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lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf));
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lcd_write_data (&lcd_framebuffer[y][x], width);
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}
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}
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#endif /* !SIMULATOR */
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/*** parameter handling ***/
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void lcd_set_drawmode(int mode)
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208
firmware/target/arm/iriver/ifp7xx/lcd-ifp7xx.c
Executable file
208
firmware/target/arm/iriver/ifp7xx/lcd-ifp7xx.c
Executable file
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@ -0,0 +1,208 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Alan Korr
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "kernel.h"
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#include "lcd.h"
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#include "system.h"
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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_MULTIPLEX_RATIO ((char)0xA8)
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#define LCD_SET_BIAS_TC_OSC ((char)0xA9)
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#define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA)
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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_TOTAL_FRAME_PHASES ((char)0xD2)
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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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/* 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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/*** driver routines ***/
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void lcd_write_command(int cmd)
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{
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while ((LCDSTAT & 3) != 3);
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LCDCMD = cmd;
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}
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void lcd_write_data( const unsigned char* data, int count )
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{
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int i;
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for (i=0; i < count; i++) {
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while ((LCDSTAT & 3) != 3);
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LCDDATA = data[i];
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}
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}
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/*** hardware configuration ***/
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int lcd_default_contrast(void)
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{
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return 45;
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}
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void lcd_set_contrast(int val)
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{
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lcd_write_command(LCD_CNTL_CONTRAST);
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lcd_write_command(val);
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}
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void lcd_set_invert_display(bool yesno)
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{
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if (yesno)
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lcd_write_command(LCD_SET_REVERSE_DISPLAY);
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else
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lcd_write_command(LCD_SET_NORMAL_DISPLAY);
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}
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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if (yesno)
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{
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lcd_write_command(LCD_SET_SEGMENT_REMAP);
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lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION);
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}
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else
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{
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lcd_write_command(LCD_SET_SEGMENT_REMAP | 0x01);
|
||||
lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION | 0x08);
|
||||
}
|
||||
}
|
||||
|
||||
void lcd_init_device(void)
|
||||
{
|
||||
LCDREG10 = 0xf;
|
||||
LCDREG04 = 0x4084;
|
||||
|
||||
/* inits like the original firmware */
|
||||
lcd_write_command(LCD_SOFTWARE_RESET);
|
||||
lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4);
|
||||
lcd_write_command(LCD_SET_LCD_BIAS);
|
||||
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();
|
||||
}
|
||||
|
||||
/*** 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+4)>>4) & 0xf));
|
||||
lcd_write_command (LCD_CNTL_LOWCOL | ((x+4) & 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);
|
||||
lcd_write_command (LCD_CNTL_LOWCOL | 4);
|
||||
|
||||
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+4) >> 4) & 0xf));
|
||||
lcd_write_command (LCD_CNTL_LOWCOL | ((x+4) & 0xf));
|
||||
|
||||
lcd_write_data (&lcd_framebuffer[y][x], width);
|
||||
}
|
||||
}
|
||||
203
firmware/target/sh/archos/lcd-archos-bitmap.c
Executable file
203
firmware/target/sh/archos/lcd-archos-bitmap.c
Executable file
|
|
@ -0,0 +1,203 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* 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"
|
||||
|
||||
#include "hwcompat.h"
|
||||
#include "kernel.h"
|
||||
#include "lcd.h"
|
||||
#include "system.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_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 */
|
||||
|
||||
/** globals **/
|
||||
|
||||
static int xoffset; /* needed for flip */
|
||||
|
||||
/*** hardware configuration ***/
|
||||
|
||||
int lcd_default_contrast(void)
|
||||
{
|
||||
return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49;
|
||||
}
|
||||
|
||||
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);
|
||||
xoffset = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void lcd_init_device(void)
|
||||
{
|
||||
/* Initialize PB0-3 as output pins */
|
||||
PBCR2 &= 0xff00; /* MD = 00 */
|
||||
PBIOR |= 0x000f; /* IOR = 1 */
|
||||
|
||||
/* inits like the original firmware */
|
||||
lcd_write_command(LCD_SOFTWARE_RESET);
|
||||
lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4);
|
||||
lcd_write_command(LCD_SET_1OVER4_BIAS_RATIO + 0); /* force 1/4 bias: 0 */
|
||||
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();
|
||||
}
|
||||
|
||||
/*** 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);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue