#include	"config.h"

DPY_Str DPY_Info;

code	INT8U	DPY_FontTab[] =
{
    DPY_FONT_FULL,  //FULL
    DPY_FONT_NULL,  //NULL
    DPY_FONT_LINE,  //-
    DPY_FONT_0,	    //0
    DPY_FONT_1,	    //1
    DPY_FONT_2,	    //2
    DPY_FONT_3,	    //3
    DPY_FONT_4,	    //4
    DPY_FONT_5,	    //5
    DPY_FONT_6,	    //6
    DPY_FONT_7,	    //7
    DPY_FONT_8,	    //8
    DPY_FONT_9,	    //9
    DPY_FONT_A,	    //A
    DPY_FONT_b,	    //b
    DPY_FONT_C,	    //C
    DPY_FONT_d,	    //d
    DPY_FONT_E,	    //E
    DPY_FONT_F,	    //F
    DPY_FONT_G,	    //G
    DPY_FONT_H,	    //H
    DPY_FONT_I,	    //I
    DPY_FONT_J,	    //J
    DPY_FONT_K,	    //K
    DPY_FONT_L,	    //L
    DPY_FONT_M,	    //M
    DPY_FONT_n,	    //n
    DPY_FONT_o,	    //o
    DPY_FONT_P,	    //P
    DPY_FONT_Q,	    //Q
    DPY_FONT_r,	    //R
    DPY_FONT_S,	    //S
    DPY_FONT_t,	    //t
    DPY_FONT_U,	    //U
    DPY_FONT_v,	    //v
    DPY_FONT_W,	    //w
    DPY_FONT_X,	    //X
    DPY_FONT_Y,	    //Y
    DPY_FONT_Z,	    //Z
};

//数码管初始化
void	DPY_Init(void)
{
    DPY_InfoInit();
    MC74HC595_Init();
    DPY_DnInit();
    DPY_WriteBuff("A.001");
}

//写入要显示的内容到缓冲区
//参数 INT8U Dn：数码管编号
//参数 INT8U Value：数码管显示内容,如果是小数点，只添加小数点到相应的数码管
INT8U   DPY_Write(INT8U Dn, INT8U Value)
{
    if(Dn >= DPY_SIZE)
    {
        return(0);
    }
    if((Value >= '0') && (Value <= '9'))    //转换数字0-9
    {
        Value = Value - '0' + 3;
    }
    else if((Value >= 'a') && (Value <= 'z'))    //转换数字a-z
    {
        Value = Value - 'a' + 13;
    }
    else if((Value >= 'A') && (Value <= 'Z'))    //转换数字A-Z
    {
        Value = Value - 'A' + 13;
    }
    else if(Value == '-')
    {
        Value = Value - '-' + 2;
    }
    else if(Value == ' ')
    {
        Value = Value - ' ' + 1;
    }
    else if(Value == '.')    //写入的非小数点，写入要显示的内容，
    {
        DPY_Info.DPY[Dn] |= DPY_SegH;
        return(1);
    }
    else if(Value == 0)
    {
        DPY_Info.DPY[Dn] = DPY_FONT_FULL;
        return(1);
    }
    else
    {
        return(0);
    }

    DPY_Info.DPY[Dn] = DPY_FontTab[Value];

    return(1);
}

INT8U   DPY_WriteBuff(INT8U *ptr)
{
    INT8U   i;

    for(i = 0; i < 4; i++)
    {
        DPY_Write(i, *ptr++);
        if(*ptr == '.')
        {
            DPY_Write(i, *ptr++);
        }
    }
    return(1);
}


//数码管扫描显示函数
void    DPY_Display(void)
{
    DPY_D0_Off();
    DPY_D1_Off();
    DPY_D2_Off();
    DPY_D3_Off();

    if(DPY_Info.Cnt < (DPY_SIZE - 1))
    {
        DPY_Info.Cnt++;
    }
    else
    {
        DPY_Info.Cnt = 0;
    }

    //MC74HC595_CLK_Init();	//CLK与D0公用，重新初始化
    MC74HC595_DATA_Init();  //DATA与KEY公用，重新初始化

    MC74HC595_Write(DPY_Info.DPY[DPY_Info.Cnt]);

    //DPY_D0_Off();
    //DPY_D1_Off();
    //DPY_D2_Off();
    //DPY_D3_Off();

    KEY1_Init();
    //KEY1_Schmitt();
    switch(DPY_Info.Cnt)
    {
    case DPY_D1:		    //D1=0,数码管1显示
        DPY_D1_On();
        KEY_MENU_Read();    //读取MENU按键状态
        break;

    case DPY_D2:		    //D2=0,数码管2显示
        DPY_D2_On();
        KEY_UP_Read();      //读取UP按键状态
        break;

    case DPY_D3:		    //D3=0,数码管3显示
        DPY_D3_On();
        KEY_ENTER_Read();   //读取ENTER按键状态
        break;

    default:	            //D0=0,数码管0显示
        DPY_D0_On();
        KEY_DOWN_Read();    //读取DOWN按键状态
        break;
    }
}