/*

                         \\\|///
                       \\  - -  //
                        (  @ @  )
+---------------------oOOo-(_)-oOOo-------------------------+
|                                                           |
|                       PCF8833.c                           |
|                     by Xiaoran Liu                        |
|                        2005.3.16                          |
|                                                           |
|                    ZERO research group                    |
|                        www.the0.net                       |
|                                                           |
|                            Oooo                           |
+----------------------oooO--(   )--------------------------+
                      (   )   ) /
                       \ (   (_/
                        \_)     

*/
#ifndef __PCF8833_H__
#define __PCF8833_H__

typedef unsigned char INT8U; 
typedef unsigned short INT16U; 
typedef unsigned int INT32U; 

#define	LCD_RST		0x00000020
#define	LCD_CS		0x00000080
#define	LCD_DATA	0x00000040
#define	LCD_CLK		0x00000010


// Commands

#define NO_OPERATION            0x00
#define SOFT_RESET              0x01
#define BOOSTER_OFF             0x02
#define BOOSTER_ON              0x03
#define DISPLAY_INFO            0x04   // read 25bits where MSB are dummy trash
#define DISPLAY_STATUS          0x09   // read 33bits where MSB are dummy trash
#define SLEEP_IN                0x10
#define SLEEP_OUT               0x11
#define PARTIAL_MODE_ON         0x12
#define NORMAL_MODE_ON          0x13
#define INVERSION_OFF           0x20
#define INVERSION_ON            0x21
#define PIXELS_OFF              0x22
#define PIXELS_ON               0x23
#define SET_CONTRAST            0x25
  // CONTRAST_VALE              0xXX
#define DISPLAY_OFF             0x28
#define DISPLAY_ON              0x29
#define SET_X_ADDR              0x2A  // ATENTION! when X,Y address are changed BOTH must be changed
  // START_X                    0xXX
  // STOP_X                     0xXX
#define SET_Y_ADDR              0x2B
  // START_Y                    0xXX
  // STOP_Y                     0xXX
#define MEM_WRITE               0x2C
  // x times pixel data         0xXX
#define COLOR_SET               0x2D
  // 8 times red palette        0xXX
  // 8 times green palette      0xXX
  // 4 times blue palette       0xXX
#define PARTIAL_AREA            0x30
  // START_Y                    0xXX
  // STOP_Y                     0xXX
#define SCROLL_DEFINITON        0x33  // always vertical
  // TOP_FIXED_LINES            0xXX
  // SCROLL_LINES               0xXX
  // BOTTOM_FIXED_LINES         0xXX
#define SET_SCROLL              0x37  // SEP scroll entry point
  // ROW_Y                      0xxx
#define MEM_CONTROL             0x36
  // MEM_FLAGS                  0xXX
  #define MEM_90                0     // virtual flag not for PCF8833
  #define MEM_RGB               3     // color order
  #define MEM_LAO               4     // line access order
  #define MEM_VW                5     // vertical write
  #define MEM_MX                6     // mirror X
  #define MEM_MY                7     // mirror Y
#define IDLE_OFF                0x38
#define IDLE_ON                 0x39
#define COLOR_INTERFACE         0x3A
  // pixelformat                0xXX
  #define COLOR_8_BIT           0x02
  #define COLOR_12_BIT          0x03
  #define COLOR_16_BIT          0x05
#define SET_VOP                 0xB0  // irrelevant for Nokia6100
  // 2x                         0xXX
#define BOTTOM_ROW_SWAP_OFF     0xB4
#define BOTTOM_ROW_SWAP_ON      0xB5
#define TOP_ROW_SWAP_OFF        0xB6
#define TOP_ROW_SWAP_ON         0xB7
#define SUPER_FRAME_INV_OFF     0xB8
#define SUPER_FRAME_INV_ON      0xB9
#define DATA_ORDER_MSB          0xBA
#define DATA_ORDER_LSB          0xBB
#define TEMP_READ               0xC8  // read
  // temp                       0xXX

#define GLCD_PIXELX		132
#define GLCD_PIXELY		132
#define GLCD_CACHE_SIZE		((GLCD_PIXELX * GLCD_PIXELY) / 8)
#define GLCD_X_START		0
#define GLCD_Y_START		0
#define GLCD_X_END		GLCD_PIXELY-1
#define GLCD_Y_END		GLCD_PIXELY-1

void PCF8833Init(void);
void LCD_Clear_Screen(void);
void PutChar(INT8U x, INT8U y, char c, INT16U f, INT16U b);
void PutString(INT8U x, INT8U y, char *s, INT16U f, INT16U b);


#endif