font.c

Bitek 公司 bit1611b模拟屏驱动芯片外接MCU驱动DEMO源码

/* **********************************************************************

         Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd

        All rights are reserved. Reproduction in whole or in parts is
    prohibited without the prior written consent of the copyright owner.
   ----------------------------------------------------------------------

    Module: FONT.C - User Font.

    Purpose: Implementation of FONT.

    Version: 0.01                                   10:41AM  2005/11/18

    Compiler: Keil 8051 C Compiler v8.01

    Reference:
    [1] BIT1611B Data Sheet Version 1.0, 2005-11-10,
        Beyond Innovation Technology

   ----------------------------------------------------------------------
    Modification:

    R0.01 10:41AM  2005/11/18 Jeffrey Chang
    Reason:
        1. Original.
    Solution:

   ********************************************************************** */

#define _FONT_C_

/* ------------------------------------
    Header Files
   ------------------------------------ */
#include "bitek.h"
#include "font.h"
#include "led.h"
#include "osd.h"
#include "vp.h"


/* ------------------------------------
    Macro Definitions
   ------------------------------------ */

/* ------------------------------------
    Type Definitions
   ------------------------------------ */


/* ------------------------------------
    Variables Definitions
   ------------------------------------ */


/* ------------------------------------
    Function Prototypes
   ------------------------------------ */
static void FONT_SetUserFontRAM(UB8 bTargetIdx, UB8 bSourceIdx);



/* -------------------------------------------------------------------
    Name: FONT_SetUserFontRAM -
    Purpose: To setup User Font RAM for monochrome and color font.
    Passed: None.
    Returns: None.
    Notes:
   ------------------------------------------------------------------- */
void FONT_SetUserFontRAM (
UB8 bTargetIdx,     // User Font: 0x00..0x0F, OSD Code: 0x70..0x7F
UB8 bSourceIdx      // 0x00..0x0F
)
{
    UB8 b162;
        
        
    b162 = BITEK_RxByte(VP_MAD, VP_162_EXTOSD_ATTR) & ~VP_MASK_BANK_SEL;

    if (bTargetIdx < 0x08)
        // Bank 0
        BITEK_TxByte(VP_MAD, VP_162_EXTOSD_ATTR, b162);
    else
        // Bank 1
        BITEK_TxByte(VP_MAD, VP_162_EXTOSD_ATTR, b162 | VP_MASK_BANK_SEL);

    bTargetIdx &= 0x07;

    BITEK_TxBurst(VP_MAD,
                  VP_0700_07FF_USER_FONT_RAM + FONT_USER_SIZE * bTargetIdx,
                  FONT_USER_SIZE,
                  &abUserFont[ bSourceIdx ][ 0 ]
                 );
} /* FONT_SetUserFontRAM */


/* -------------------------------------------------------------------
    Name: FONT_Init -
    Purpose: Initiate FONT.
    Passed: None.
    Returns: None.
    Notes:
   ------------------------------------------------------------------- */
void FONT_Init (void)
{
    // User Font 0x0F (0x7F) for BITEK icon !
    FONT_SetUserFontRAM(0x0F, 0x00);

    // User Font 0x0E (0x7E) for SHARPNESS icon !
    FONT_SetUserFontRAM(0x0E, 0x01);

    // User Font 0x0D (0x7D) for IMAGE FILTER icon !
    FONT_SetUserFontRAM(0x0D, 0x02);

    // User Font 0x0C (0x7C) for MIRROR icon !
    FONT_SetUserFontRAM(0x0C, 0x03);

    // User Font 0x0B (0x7B) for DISPLAY MODE icon !
    FONT_SetUserFontRAM(0x0B, 0x04);
} /* FONT_Init */

/* -------------------------------------------------------------------
    Name:  -
    Purpose: .
    Passed: None.
    Returns: None.
    Notes:
   ------------------------------------------------------------------- */


/* **********************************************************************

    Description:

   ********************************************************************** */

/* %% End Of File %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */