generic and specific LCD functions
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
parent
643542799e
commit
d20e6eee0e
|
@ -0,0 +1,174 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/*
|
||||
* Hardware-specific implementations for the Archos Recorder LCD.
|
||||
*
|
||||
* Archos Jukebox Recorder LCD functions.
|
||||
* Solomon SSD1815Z controller and Shing Yih Technology G112064-30 LCD.
|
||||
*
|
||||
*/
|
||||
|
||||
/* 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 */
|
||||
|
||||
|
||||
/*
|
||||
* Initialize LCD
|
||||
*/
|
||||
void lcd_init (void)
|
||||
{
|
||||
/* Initialize PB0-3 as output pins */
|
||||
PBCR2 &= 0xff00; /* MD = 00 */
|
||||
PBIOR |= 0x000f; /* IOR = 1 */
|
||||
|
||||
/* Initialize LCD */
|
||||
lcd_write (TRUE, LCD_CNTL_RESET);
|
||||
lcd_write (TRUE, LCD_CNTL_POWER);
|
||||
lcd_write (TRUE, LCD_CNTL_SEGREMAP);
|
||||
lcd_write (TRUE, LCD_CNTL_OUTSCAN);
|
||||
lcd_write (TRUE, LCD_CNTL_CONTRAST);
|
||||
lcd_write (TRUE, 0x30); /* contrast parameter */
|
||||
lcd_write (TRUE, LCD_CNTL_DISPON);
|
||||
|
||||
lcd_clear();
|
||||
lcd_update();
|
||||
}
|
||||
|
||||
/*
|
||||
* Update the display.
|
||||
* This must be called after all other LCD funtions that change the display.
|
||||
*/
|
||||
void lcd_update (void)
|
||||
{
|
||||
int row, col;
|
||||
|
||||
/* Copy display bitmap to hardware */
|
||||
for (row = 0; row < DISP_Y/8; row++) {
|
||||
lcd_write (TRUE, LCD_CNTL_PAGE | (row & 0xf));
|
||||
lcd_write (TRUE, LCD_CNTL_HIGHCOL);
|
||||
lcd_write (TRUE, LCD_CNTL_LOWCOL);
|
||||
|
||||
for (col = 0; col < DISP_X; col++)
|
||||
lcd_write (FALSE, display[row][col]);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Display a string at current position
|
||||
*/
|
||||
void lcd_string (const char *text, BOOL invert)
|
||||
{
|
||||
int ch;
|
||||
|
||||
while ((ch = *text++) != '\0') {
|
||||
if (lcd_y > DISP_Y-CHAR_Y) {
|
||||
/* Scroll (8 pixels) */
|
||||
memcpy (display[0], display[1], DISP_X*(DISP_Y/8-1));
|
||||
lcd_y -= 8;
|
||||
}
|
||||
|
||||
if (ch == '\n')
|
||||
lcd_x = DISP_X;
|
||||
else {
|
||||
lcd_char (ch, invert);
|
||||
lcd_x += CHAR_X;
|
||||
}
|
||||
|
||||
if (lcd_x > DISP_X-CHAR_X) {
|
||||
/* Wrap to next line */
|
||||
lcd_x = 0;
|
||||
lcd_y += CHAR_Y;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Display a character.
|
||||
* This writes a 5x8 character within a 6x8 cell.
|
||||
* The cell does not have to be aligned to a display byte.
|
||||
* The top left of the cell is displayed at the current position.
|
||||
* invert is TRUE to display in reverse video.
|
||||
*/
|
||||
void lcd_char (int ch, BOOL invert)
|
||||
{
|
||||
uchar (*dp)[DISP_X] = (void *) &display[lcd_y/8][lcd_x];
|
||||
uint32 shift, mask, col;
|
||||
|
||||
/* Limit to char generation table */
|
||||
if (ch < ASCII_MIN || ch > ASCII_MAX)
|
||||
ch = ASCII_MAX;
|
||||
|
||||
/* Calculate shift and masks for cell bit position */
|
||||
shift = (lcd_y & 0x7);
|
||||
mask = ~(COL_MASK << shift);
|
||||
if (invert)
|
||||
invert = ~mask;
|
||||
|
||||
/* Write each char column */
|
||||
for (col = 0; col < CHAR_X-1; col++) {
|
||||
uint32 data = (char_gen[ch-ASCII_MIN][col] << shift) ^ invert;
|
||||
dp[0][col] = (dp[0][col] & mask) | data;
|
||||
if (lcd_y < DISP_Y-8)
|
||||
dp[1][col] = (dp[1][col] & (mask >> 8)) | (data >> 8);
|
||||
}
|
||||
|
||||
/* Column after char */
|
||||
dp[0][CHAR_X-1] = (dp[0][CHAR_X-1] & mask) | invert;
|
||||
if (lcd_y < DISP_Y-8)
|
||||
dp[1][CHAR_X-1] = (dp[1][CHAR_X-1] & (mask >> 8)) | (invert >> 8);
|
||||
}
|
||||
|
||||
/*
|
||||
* Write a byte to LCD controller.
|
||||
* command is TRUE if value is a command byte.
|
||||
*/
|
||||
static void lcd_write (BOOL command, int value)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* Read PBDR, clear LCD bits */
|
||||
int pbdr = PBDR & ~(PBDR_LCD_CS1|PBDR_LCD_DC|PBDR_LCD_SDA|PBDR_LCD_SCK);
|
||||
if (!command)
|
||||
pbdr |= PBDR_LCD_DC; /* set data indicator */
|
||||
|
||||
/* Send each bit, starting with MSB */
|
||||
for (i = 0; i < 8; i++) {
|
||||
if (value & 0x80) {
|
||||
/* Set data, toggle clock */
|
||||
PBDR = pbdr | PBDR_LCD_SDA;
|
||||
PBDR = pbdr | PBDR_LCD_SDA | PBDR_LCD_SCK;
|
||||
}
|
||||
else {
|
||||
/* Clear data, toggle clock */
|
||||
PBDR = pbdr;
|
||||
PBDR = pbdr | PBDR_LCD_SCK;
|
||||
}
|
||||
value <<= 1;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,23 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/*
|
||||
* Specific implementations for X11, using the generic LCD functions and data.
|
||||
*/
|
||||
|
|
@ -0,0 +1,179 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/*
|
||||
* This file is meant for generic LCD defines and global variables etc.
|
||||
*/
|
||||
|
||||
#define DISP_X 112 /* Display width in pixels */
|
||||
#define DISP_Y 64 /* Display height in pixels */
|
||||
|
||||
#define CHAR_X 6 /* Character width in pixels */
|
||||
#define CHAR_Y 8 /* Character height in pixels */
|
||||
#define COL_MASK 0xff /* Character column pixels changed */
|
||||
|
||||
/*
|
||||
* ASCII character generation table
|
||||
*
|
||||
* This contains only the printable characters (0x20-0x7f).
|
||||
* Each row in this table is a 5x8 pixel character pattern.
|
||||
* Each byte is a column of pixels, with the top pixel in the LSB.
|
||||
*/
|
||||
#define ASCII_MIN 0x20 /* First char in table */
|
||||
#define ASCII_MAX 0x7f /* Last char in table */
|
||||
|
||||
static const uchar char_gen[ASCII_MAX-ASCII_MIN+1][CHAR_X-1] =
|
||||
{
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x2f */
|
||||
0x00, 0x00, 0x4f, 0x00, 0x00,
|
||||
0x00, 0x07, 0x00, 0x07, 0x00,
|
||||
0x14, 0x7f, 0x14, 0x7f, 0x14,
|
||||
0x24, 0x2a, 0x7f, 0x2a, 0x12,
|
||||
0x23, 0x13, 0x08, 0x64, 0x62,
|
||||
0x36, 0x49, 0x55, 0x22, 0x50,
|
||||
0x00, 0x05, 0x03, 0x00, 0x00,
|
||||
0x00, 0x1c, 0x22, 0x41, 0x00,
|
||||
0x00, 0x41, 0x22, 0x1c, 0x00,
|
||||
0x14, 0x08, 0x3e, 0x08, 0x14,
|
||||
0x08, 0x08, 0x3e, 0x08, 0x08,
|
||||
0x00, 0xa0, 0x60, 0x00, 0x00,
|
||||
0x08, 0x08, 0x08, 0x08, 0x08,
|
||||
0x00, 0x60, 0x60, 0x00, 0x00,
|
||||
0x20, 0x10, 0x08, 0x04, 0x02,
|
||||
|
||||
0x3e, 0x51, 0x49, 0x45, 0x3e, /* 0x30-0x3f */
|
||||
0x00, 0x42, 0x7f, 0x40, 0x00,
|
||||
0x42, 0x61, 0x51, 0x49, 0x46,
|
||||
0x21, 0x41, 0x45, 0x4b, 0x31,
|
||||
0x18, 0x14, 0x12, 0x7f, 0x10,
|
||||
0x27, 0x45, 0x45, 0x45, 0x39,
|
||||
0x3c, 0x4a, 0x49, 0x49, 0x30,
|
||||
0x01, 0x71, 0x09, 0x05, 0x03,
|
||||
0x36, 0x49, 0x49, 0x49, 0x36,
|
||||
0x06, 0x49, 0x49, 0x29, 0x1e,
|
||||
0x00, 0x6c, 0x6c, 0x00, 0x00,
|
||||
0x00, 0xac, 0x6c, 0x00, 0x00,
|
||||
0x08, 0x14, 0x22, 0x41, 0x00,
|
||||
0x14, 0x14, 0x14, 0x14, 0x14,
|
||||
0x00, 0x41, 0x22, 0x14, 0x08,
|
||||
0x02, 0x01, 0x51, 0x09, 0x06,
|
||||
|
||||
0x32, 0x49, 0x79, 0x41, 0x3e, /* 0x40-0x4f */
|
||||
0x7e, 0x11, 0x11, 0x11, 0x7e,
|
||||
0x7f, 0x49, 0x49, 0x49, 0x36,
|
||||
0x3e, 0x41, 0x41, 0x41, 0x22,
|
||||
0x7f, 0x41, 0x41, 0x22, 0x1c,
|
||||
0x7f, 0x49, 0x49, 0x49, 0x41,
|
||||
0x7f, 0x09, 0x09, 0x09, 0x01,
|
||||
0x3e, 0x41, 0x49, 0x49, 0x7a,
|
||||
0x7f, 0x08, 0x08, 0x08, 0x7f,
|
||||
0x00, 0x41, 0x7f, 0x41, 0x00,
|
||||
0x20, 0x40, 0x41, 0x3f, 0x01,
|
||||
0x7f, 0x08, 0x14, 0x22, 0x41,
|
||||
0x7f, 0x40, 0x40, 0x40, 0x40,
|
||||
0x7f, 0x02, 0x0c, 0x02, 0x7f,
|
||||
0x7f, 0x04, 0x08, 0x10, 0x7f,
|
||||
0x3e, 0x41, 0x41, 0x41, 0x3e,
|
||||
|
||||
0x7f, 0x09, 0x09, 0x09, 0x06, /* 0x50-0x5f */
|
||||
0x3e, 0x41, 0x51, 0x21, 0x5e,
|
||||
0x7f, 0x09, 0x19, 0x29, 0x46,
|
||||
0x46, 0x49, 0x49, 0x49, 0x31,
|
||||
0x01, 0x01, 0x7f, 0x01, 0x01,
|
||||
0x3f, 0x40, 0x40, 0x40, 0x3f,
|
||||
0x1f, 0x20, 0x40, 0x20, 0x1f,
|
||||
0x3f, 0x40, 0x38, 0x40, 0x3f,
|
||||
0x63, 0x14, 0x08, 0x14, 0x63,
|
||||
0x07, 0x08, 0x70, 0x08, 0x07,
|
||||
0x71, 0x51, 0x49, 0x45, 0x43,
|
||||
0x00, 0x7f, 0x41, 0x41, 0x00,
|
||||
0x02, 0x04, 0x08, 0x10, 0x20,
|
||||
0x00, 0x41, 0x41, 0x7f, 0x00,
|
||||
0x04, 0x02, 0x01, 0x02, 0x04,
|
||||
0x40, 0x40, 0x40, 0x40, 0x40,
|
||||
|
||||
0x00, 0x01, 0x02, 0x04, 0x00, /* 0x60-0x6f */
|
||||
0x20, 0x54, 0x54, 0x54, 0x78,
|
||||
0x7f, 0x48, 0x44, 0x44, 0x38,
|
||||
0x38, 0x44, 0x44, 0x44, 0x20,
|
||||
0x38, 0x44, 0x44, 0x48, 0x7f,
|
||||
0x38, 0x54, 0x54, 0x54, 0x18,
|
||||
0x08, 0x7e, 0x09, 0x01, 0x02,
|
||||
0x18, 0xa4, 0xa4, 0xa4, 0x7c,
|
||||
0x7f, 0x08, 0x04, 0x04, 0x78,
|
||||
0x00, 0x44, 0x7d, 0x40, 0x00,
|
||||
0x40, 0x80, 0x84, 0x7d, 0x00,
|
||||
0x7f, 0x10, 0x28, 0x44, 0x00,
|
||||
0x00, 0x41, 0x7f, 0x40, 0x00,
|
||||
0x7c, 0x04, 0x18, 0x04, 0x78,
|
||||
0x7c, 0x08, 0x04, 0x04, 0x78,
|
||||
0x38, 0x44, 0x44, 0x44, 0x38,
|
||||
|
||||
0xfc, 0x24, 0x24, 0x24, 0x18, /* 0x70-0x7f */
|
||||
0x18, 0x24, 0x24, 0x24, 0xfc,
|
||||
0x7c, 0x08, 0x04, 0x04, 0x08,
|
||||
0x48, 0x54, 0x54, 0x54, 0x20,
|
||||
0x04, 0x3f, 0x44, 0x40, 0x20,
|
||||
0x3c, 0x40, 0x40, 0x20, 0x7c,
|
||||
0x1c, 0x20, 0x40, 0x20, 0x1c,
|
||||
0x3c, 0x40, 0x30, 0x40, 0x3c,
|
||||
0x44, 0x28, 0x10, 0x28, 0x44,
|
||||
0x1c, 0xa0, 0xa0, 0xa0, 0x7c,
|
||||
0x44, 0x64, 0x54, 0x4c, 0x44,
|
||||
0x00, 0x08, 0x36, 0x41, 0x00,
|
||||
0x00, 0x00, 0x7f, 0x00, 0x00,
|
||||
0x00, 0x41, 0x36, 0x08, 0x00,
|
||||
0x04, 0x02, 0x04, 0x08, 0x04,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
};
|
||||
|
||||
/*
|
||||
* Memory copy of display bitmap
|
||||
*
|
||||
* This has the same format as the Recorder hardware:
|
||||
* Bits within a byte are arranged veritcally, LSB at top.
|
||||
* Byte 0 is top left, byte 1 is 2nd left, byte DISP_X starts 2nd row.
|
||||
*/
|
||||
static uchar display[DISP_Y/8][DISP_X];
|
||||
|
||||
static uint16 lcd_y; /* Current pixel row */
|
||||
static uint16 lcd_x; /* Current pixel column */
|
||||
|
||||
/*
|
||||
* Set current x,y position
|
||||
*/
|
||||
void lcd_position (int x, int y)
|
||||
{
|
||||
if (x >= 0 && x < DISP_X && y >= 0 && y < DISP_Y)
|
||||
{
|
||||
lcd_x = x;
|
||||
lcd_y = y;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Clear the display
|
||||
*/
|
||||
void lcd_clear (void)
|
||||
{
|
||||
lcd_x = 0;
|
||||
lcd_y = 0;
|
||||
memset (display, 0, sizeof display);
|
||||
}
|
||||
|
Loading…
Reference in New Issue