tg12232b.c

来自「STC51系列的源码」· C语言 代码 · 共 622 行 · 第 1/2 页

    xpos%=20;
    ypos%=4;
    if( xpos>=10)
    {   xpos-=10;
        ypos+=4;
    }
    if( ypos>0x3)
    {   chip=0x1;
    }
    else
    {   chip=0x0;
    }
    LCDP_set_page(ypos%4);
    LCDP_set_column(xpos*6);
    for(i=0;i<6;i++)
    {   LCDP_write_ram_data(chip,buffer[i]);
    }
}

/********************************************************************************/
/* fun_name : LCDP_display_hz16x16()                                            */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 汉字取模: 从左到右从上到下取模，低位在上，高位在下                */
/********************************************************************************/
void LCDP_display_hz16x16(
    unsigned char xpos,
    unsigned char ypos,
    unsigned char *buffer)
{   unsigned char * mdata;
    unsigned char i,wr;
    if(ypos>0x1)
    {   return;
    }
    mdata=buffer;
    wr=(xpos<<0x4);
    LCDP_set_page((ypos<<0x1)+0x0);
    for(i=0x0;i<0x10;i++)
    {   if(wr>=61)
        {   LCDP_set_column(wr-61);
            LCDP_write_ram_data(0x1,*mdata++);
        }
        else
        {   LCDP_set_column(wr);
            LCDP_write_ram_data(0x0,*mdata++);
        }
        wr++;
    }
    wr=(xpos<<0x4);
    LCDP_set_page((ypos<<0x1)+0x1);
    for(i=0x0;i<0x10;i++)
    {   if(wr>=61)
        {   LCDP_set_column(wr-61);
            LCDP_write_ram_data(0x1,*mdata++);
        }
        else
        {   LCDP_set_column(wr);
            LCDP_write_ram_data(0x0,*mdata++);
        }
        wr++;
    }
}

/********************************************************************************/
/* fun_name : LCDP_clear_display_buffer()                                       */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 清除LCD的显示缓冲区                                               */
/********************************************************************************/
void LCDP_clear_display_buffer(void)
{   unsigned char i,bytes=80;
    LCDP_set_page(0x00);
    LCDP_set_column(0x00);
    for(i=0x0;i<bytes;i++)
    {   LCDP_write_ram_data(0x0,0x0);
        LCDP_write_ram_data(0x1,0x0);
    }
    LCDP_set_page(0x01);
    LCDP_set_column(0x00);
    for(i=0x0;i<bytes;i++)
    {   LCDP_write_ram_data(0x0,0x0);
        LCDP_write_ram_data(0x1,0x0);
    }
    LCDP_set_page(0x02);
    LCDP_set_column(0x00);
    for(i=0x0;i<bytes;i++)
    {   LCDP_write_ram_data(0x0,0x0);
        LCDP_write_ram_data(0x1,0x0);
    }
    LCDP_set_page(0x03);
    LCDP_set_column(0x00);
    for(i=0x0;i<bytes;i++)
    {   LCDP_write_ram_data(0x0,0x0);
        LCDP_write_ram_data(0x1,0x0);
    }
}

/********************************************************************************/
/* fun_name : LCDP_get_index()                                                  */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 获取字符的索引                                                    */
/********************************************************************************/
unsigned char LCDP_get_index(unsigned char szText)
{   unsigned char i;
    for(i=0;i<128;i++)
    {   if( szText==lcd_table[i])
        {   return i;
        }
    }
    return 0x0;
}

/********************************************************************************/
/* fun_name : LCDP_get_text_font()                                              */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 获取字符的点阵表数据                                              */
/********************************************************************************/
unsigned char * LCDP_get_text_font(unsigned char index)
{   static unsigned char Font[0x6];
    unsigned char i;
    for(i=0;i<0x6;i++)
    {   Font[i]=lcd_ascii_txt[index][i];
    }
    return Font;
}

/********************************************************************************/
/* fun_name : LCDP_hard_reset()                                                 */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : LCDP的硬件复位                                                    */
/********************************************************************************/
void LCDP_hard_reset(void)
{   c51_U07_latch&=0x7F;               //* LCD 硬复位
    c51_hc138_cs_keyw[0x0]=c51_U07_latch;
    LCDP_delay();
    c51_U07_latch|=0x80;       
    c51_hc138_cs_keyw[0x0]=c51_U07_latch;
    LCDP_delay();
}

/********************************************************************************/
/* fun_name : LCDP_LED_open()                                                   */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : LCDP的背光打开                                                    */
/********************************************************************************/
void LCDP_LED_open(void)
{   c51_U07_latch|=0x40;               //* LCD背光打开
    c51_hc138_cs_keyw[0x0]=c51_U07_latch;
}

/********************************************************************************/
/* fun_name : LCDP_LED_close()                                                  */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : LCDP的背光关闭                                                    */
/********************************************************************************/
#if 0
void LCDP_LED_close(void)
{   c51_U07_latch&=0xBF;               //* LCD背光关闭
    c51_hc138_cs_keyw[0x0]=c51_U07_latch;
}
#endif

/********************************************************************************/
/* fun_name : LCDP_module_initialize()                                          */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : LCDP模块初始化                                                    */
/********************************************************************************/
void LCDP_module_initialize(void)
{   LCDP_hard_reset();
    LCDP_LED_open();
    LCDP_write_command(LCD_RESET);
    LCDP_write_command(0xA0);           //* 0xa0
    LCDP_write_command(LCD_DUTY_32);    //* 0xa9
    LCDP_start_line(0x00);              //* 0xc0+0x00
    LCDP_write_command(LCD_DISP_ON);    //* 0xaf
}

/********************************************************************************/
/* fun_name : LCDP_text_printf()                                                */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 输出字符显示数据                                                  */
/********************************************************************************/
void LCDP_text_printf(unsigned char x,unsigned char y,unsigned char * buffer)
{   unsigned char *Text;
    while(*buffer)
    {   Text=LCDP_get_text_font(LCDP_get_index(*buffer));
        LCDP_display_text(x++,y,Text);
        if( x==20)
        {   break;
        }
        buffer++;
    }
}

/********************************************************************************/
/* fun_name : LCDP_get_hz16_font()                                              */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 获取汉字显示区的地址                                              */
/********************************************************************************/
unsigned char * LCDP_get_hz16_font(unsigned char * hz16)
{   unsigned char status;
    unsigned char i;
    for(i=0x0;i<0x10;i++)
    {   status=memcmp(rongyi_hz[i].Index,hz16,0x2);
        if( status==0x0)
        {   break;
        }
    }
    if( i>=0x10)
    {   return NULL;
    }
    else
    {   return rongyi_hz[i].Msk;
    }
}

/********************************************************************************/
/* fun_name : LCDP_hz16_printf()                                                */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 输出汉字显示数据                                                  */
/********************************************************************************/
void LCDP_hz16_printf(unsigned char xpos,unsigned char ypos,unsigned char * buffer)
{   unsigned char * mdata;
    unsigned char * text;
    mdata=buffer;
    while(*mdata)
    {   text=LCDP_get_hz16_font(mdata);
        LCDP_display_hz16x16(xpos++,ypos,text);
        mdata+=0x2;
        if( xpos==10)
        {   break;
        }
    }
}

/********************************************************************************/
/* fun_name : LCDP_display_sheft_hz16x16()                                      */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 汉字取模: 从左到右从上到下取模，低位在上，高位在下                */
/********************************************************************************/
void LCDP_display_sheft_hz16x16(
    unsigned char sheft,
    unsigned char xpos,
    unsigned char ypos,
    unsigned char *buffer)
{   unsigned char * mdata;
    unsigned char i,wr;
    if(ypos>0x1)
    {   return;
    }
    mdata=buffer;
    wr=(xpos<<0x4)+sheft;
    LCDP_set_page((ypos<<0x1)+0x0);
    for(i=0x0;i<0x10;i++)
    {   if(wr>=61)
        {   LCDP_set_column(wr-61);
            LCDP_write_ram_data(0x1,*mdata++);
        }
        else
        {   LCDP_set_column(wr);
            LCDP_write_ram_data(0x0,*mdata++);
        }
        wr++;
    }
    wr=(xpos<<0x4)+sheft;
    LCDP_set_page((ypos<<0x1)+0x1);
    for(i=0x0;i<0x10;i++)
    {   if(wr>=61)
        {   LCDP_set_column(wr-61);
            LCDP_write_ram_data(0x1,*mdata++);
        }
        else
        {   LCDP_set_column(wr);
            LCDP_write_ram_data(0x0,*mdata++);
        }
        wr++;
    }
}

/********************************************************************************/
/* fun_name : LCDP_hz16_sheft_printf()                                          */
/* version  : v1.00                                                             */
/* created  : xillinx                                                           */
/* descript : 输出汉字显示数据                                                  */
/********************************************************************************/
void LCDP_hz16_sheft_printf(unsigned char sheft,unsigned char xpos,unsigned char ypos,unsigned char * buffer)
{   unsigned char * mdata;
    unsigned char * text;
    mdata=buffer;
    while(*mdata)
    {   text=LCDP_get_hz16_font(mdata);
        LCDP_display_sheft_hz16x16(sheft, xpos++,ypos,text);
        mdata+=0x2;
        if( xpos==10)
        {   break;
        }
    }
}