lcd2.c

一款收款机C源代码！因为是几年前的代码了

	byte dsp_line_new;
	byte max_lcd_text_line;

	dsp_line_new = Lcd_Text.dsp_line_end;

	if (Lcd_Mode == LCD_10_INCH)
		max_lcd_text_line = DISP_LCD_TEXT_LINE;
	else
		max_lcd_text_line = DISP_LCD_TEXT_LINE7;

	if (key == KD_PAGE_DOWN) 
    {
		dsp_line_new += max_lcd_text_line - 1;
	}
	else if (key == KD_PAGE_UP)  
    {
		if (dsp_line_new > max_lcd_text_line-1 + max_lcd_text_line)
			dsp_line_new -= max_lcd_text_line - 1;
		else
			dsp_line_new = max_lcd_text_line - 1;
	}
	else if  (key == KD_DOWN)  
    {
		dsp_line_new += 1;
	}
	else if (key == KD_UP) 
    {
		if (dsp_line_new > max_lcd_text_line-1 + 1)
			dsp_line_new -= 1;
		else
			dsp_line_new = max_lcd_text_line - 1;
	}
	if (dsp_line_new+1 > Lcd_Text.max_line)
		dsp_line_new = Lcd_Text.max_line - 1;

	Lcd_Text.dsp_line_new = dsp_line_new;

	Lcd_Disp_Text_Buff(BUF_ID_LCD_TEXT);		/* Update the display */
}

/*
	重新把显示文本的改成最开始的显示窗口
*/
static void Lcd_Text_Rewind(void)
{
	byte dsp_line_new = DISP_LCD_TEXT_LINE - 1;

	if (Lcd_Mode == LCD_10_INCH)
		dsp_line_new = DISP_LCD_TEXT_LINE - 1;
	else
		dsp_line_new = DISP_LCD_TEXT_LINE7 - 1;

	if (dsp_line_new+1 > Lcd_Text.max_line)
		dsp_line_new = Lcd_Text.max_line - 1;

	Lcd_Text.dsp_line_new = dsp_line_new;
}

/* 设置文本框实时刷新 */
void Lcd_Set_Text_Refresh(void)
{
	if (Refresh_Bourn)
		Refresh_Bourn--;

	if (Refresh_Bourn == 0) 
    {
		Lcd_Text_Refresh = TRUE;
		Lcd_Text_Rewind();
		Lcd_Disp_Text_Buff(BUF_ID_LCD_TEXT);
	}
}

/* 设置文本框不刷新显示 */
void Lcd_Cls_Text_Refresh(void)
{
	Lcd_Text_Refresh = FALSE;
	Refresh_Bourn++;
}

/* Open the text refresh */
void Lcd_Opn_Text_Refresh(void)
{
	Refresh_Bourn = 0;
	Lcd_Text_Refresh = TRUE;
	Lcd_Text_Rewind();
//	Lcd_Disp_Text_Buff(BUF_ID_LCD_TEXT);
}

/*
	Check clearing the ISP sure or not
*/
BOOL Chk_Isp_Sure(void)
{
	word key;
	BOOL rtn;

	Lcd_Init_Pop_Text(POP_ID_SEL);

	Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, "SOFTWARE ISP!", ALIGN_MID);
	Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);
	Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, Str_Null, ALIGN_MID);
	Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);

	Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, "Are you sure do the", ALIGN_LEFT);
	Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);
	Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, "ISP operation?", ALIGN_LEFT);
	Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);

	key = GetKey();
	if (key == KD_SEL_YES)
		rtn = TRUE;
	else
		rtn = FALSE;

	Lcd_Res_Pop_Text();

	return rtn;
}

/*----------------------------------------------------------------------------*
    弹出一个窗口,  显示结帐成功的信息
*----------------------------------------------------------------------------*/
void Lcd_Disp_Successful_Info(byte *str1, byte *str2)
{
	byte step = 0;
	int delay_cnt;
	byte con_flag;

	Lcd_Init_Pop_Text(POP_ID_NOR);
	Lcd_Init_Cash_Spec();

	do {
		if (step&0x01) 
        {
			Rst_Pop_Text();
			Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);
		}
		else 
        {
			Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, str1, ALIGN_MID);
			Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);
			Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, Str_Null, ALIGN_MID);
			Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);

			Lcd_Send_Text_Buff_Str(BUF_ID_POP_TEXT, 1, str2, ALIGN_LEFT);
			Lcd_Disp_Text_Buff(BUF_ID_POP_TEXT);
		}

		if (step == 0)
			delay_cnt = 5000;
		else 
			delay_cnt = 1000;
		con_flag = CndtDelay2(delay_cnt);

		step++;
		if (step == 7)
			con_flag = FALSE;
	} while(con_flag);
	Clr_Key_Buff();

	Lcd_Res_Cash_Spec();		/* 还原Cash的特殊标志 */
	Lcd_Res_Pop_Text();
}

/*
	Set the LCD display color
*/
void Lcd_Set_Color(byte color)
{
	if (color == LCD_COLORFUL)
		LCD_COLOR = LCD_COLORFUL;
	else // color == LCD_GRAY
		LCD_COLOR = LCD_GRAY;

}

/*
	Set the LCD display type, the 7" or the 10" type
*/
void Lcd_Set_Mode(byte mode)
{
	if (mode == LCD_10_INCH) {
		Lcd_Mode = LCD_10_INCH;
		disint();
		Lcd_Mode_Int = LCD_10_INCH;
		enint();
	}
	else { // mode == LCD_7_INCH)
		Lcd_Mode = LCD_7_INCH;
		disint();
		Lcd_Mode_Int = LCD_7_INCH;
		enint();
	}
}

word ts_get_logi(word key)
{
    key = (key>>8);
	return (key-1);
}


/*--------------------------------------------------------------------------*
      dipslay the dept on the LCD by the [dept shift] key
*--------------------------------------------------------------------------*/
void Lcd_Shift_Exchange(word key)
{
    WORD Start_KEY; 
    WORD End_KEY;
    WORD i;
    WORD posi;
    if(key == KD_DPSF)
    {
        Start_KEY = KD_DP_ST;
        End_KEY = KD_DP_END;
    }
    else if(key == KD_DPLUSF)
    {
        Start_KEY = KD_DPLU_ST;
        End_KEY = KD_DPLU_END;
    }
    else
        return;

   for(posi = 0;posi< MAX_LAYOUT_KEY; posi++)
   {
      if((Ts_Key_Tab[posi] >= Start_KEY)&&(Ts_Key_Tab[posi] <= End_KEY))
          Lcd_Draw_Btn(posi,  BTN_ID_KEY_EX);
   }
}

/*
    对PLU进行翻页处理
    !!!注意，这里为了处理上的方便，定义虚拟按键的位置就是PLU按键的位置, 
        即比如PLU按键是从第十二个按键开始，则虚拟按键也从第十二个位置开始与PLU按键一一对应
*/
void Do_Page_PLU(void)
{
    word key;
    word idx;
    word idx2 = 0;
    byte i;
    word j;
    byte cnt;
    byte posi;
    byte size;
    word *tmp;

    posi = PLU_KEY_START_POSI;
    key = Ts_Key_Tab[posi];
    idx = Vir_Key[key - KD_VIRTUAL_ST].idx;
    for (j = 0; j < Linked_Cnt; j++)        // Get the idx2, also the sequence number of Linked_PLU
    {
        if (idx == Linked_PLU[j])
        {
            idx2 = j;
            break;
        }
    }
    tmp = (word *)Ts_Key_Tab;

    // 取得翻页后的Idx
    if (InCmd == KD_PAGE_LEFT_PLU)
    {
        idx2 = (idx2 + Linked_Cnt - PLU_KEY_INC) % Linked_Cnt;
    }
    else if (InCmd == KD_PAGE_RIGHT_PLU)
    {
        idx2 = (idx2 + PLU_KEY_INC) % Linked_Cnt;
    }
    else if (InCmd == KD_NULL)
    {
        idx2 = 0;
    }
    idx = Linked_PLU[idx2];
 
    // 更新键盘表并更新显示. 注意, 更新键盘表是一个很重要的操作
    for (cnt = 0, i = PLU_KEY_START_POSI; cnt < PLU_KEY_INC; cnt++, i++)
    {
        key = i + KD_VIRTUAL_ST;
        Vir_Key[i].idx = idx;
        Vir_Key[i].fill_color = plu[idx].fill_color;
        Vir_Key[i].font_color = plu[idx].font_color;
        idx2 = (idx2 + 1) % Linked_Cnt;
        idx = Linked_PLU[idx2];
        tmp[posi] = key;
        Lcd_Draw_Btn(posi, BTN_ID_KEY);
        posi++;
    }
    tmp[posi] = KD_PAGE_LEFT_PLU;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    tmp[posi] = KD_PAGE_RIGHT_PLU;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
}

/*
    对Cooking Message进行翻页处理
    !!!注意，这里为了处理上的方便，定义虚拟按键的位置就是PLU按键的位置, 
        即比如PLU按键是从第十二个按键开始，则虚拟按键也从第十二个位置开始与PLU按键一一对应
*/
void Do_Page_CM(void)
{
    word key;
    word idx;
    word idx2 = 0;
    byte i;
    byte cnt;
    byte posi;
    byte size;
    word *tmp;

    posi = CM_KEY_START_POSI;
    key = Ts_Key_Tab[posi];
    idx = Vir_Key[key - KD_VIRTUAL_ST].idx;
    for (i = 0; i < CM_Cnt; i++)        // Get the idx2, also the sequence number of cooking message
    {
        if (idx == CkMsg[i])
        {
            idx2 = i;
            break;
        }
    }
    tmp = (word *)Ts_Key_Tab;

    // 取得翻页后的Idx
    if (InCmd == KD_PAGE_LEFT_CM)
    {
        idx2 = (idx2 + CM_Cnt - CM_KEY_INC) % CM_Cnt;
    }
    else if (InCmd == KD_PAGE_RIGHT_CM)
    {
        idx2 = (idx2 + CM_KEY_INC) % CM_Cnt;
    }
    else if (InCmd == KD_NULL)
    {
        idx2 = 0;
    }
    idx = CkMsg[idx2];

    #if 1
    // 更新键盘表并更新显示. 注意, 更新键盘表是一个很重要的操作
    for (cnt = 0, i = CM_KEY_START_POSI; cnt < CM_KEY_INC; cnt++, i++)
    {
        key = i + KD_VIRTUAL_ST;
        if (idx == VIRTUAL_KEY_IDX_NULL2)
            Vir_Key[i].idx = VIRTUAL_KEY_IDX_NULL;
        else
            Vir_Key[i].idx = idx;
        Vir_Key[i].fill_color = BLUE;
        Vir_Key[i].font_color = LIGHTCYAN;
        idx2 = (idx2 + 1) % CM_Cnt;
        idx = CkMsg[idx2];
        tmp[posi] = key;
        Lcd_Draw_Btn(posi, BTN_ID_KEY);
        posi++;
    }
    tmp[posi] = KD_PAGE_LEFT_CM;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    tmp[posi] = KD_PAGE_RIGHT_CM;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    #endif
}

/*
    对部门进行翻页处理
*/
void Do_Page_Dept(void)
{
    word key;
    word idx;
    byte i;
    byte posi;
    byte size;
    word *tmp;

    posi = DEPT_KEY_START_POSI;
    key = Ts_Key_Tab[posi];
    idx = key - KD_DP_ST;
    tmp = (word *)Ts_Key_Tab;

    // 取得翻页后的Idx
    if (InCmd == KD_PAGE_LEFT_DEPT)
    {
        idx = (idx + Max_Dept_No - DEPT_KEY_INC) % Max_Dept_No;
    }
    else if (InCmd == KD_PAGE_RIGHT_DEPT)
    {
        idx = (idx + DEPT_KEY_INC) % Max_Dept_No;
    }
    else if (InCmd == KD_NULL)
    {
        idx = 0;
    }

    // 更新键盘表并更新显示. 注意, 更新键盘表是一个很重要的操作
    for (i = 0; i < DEPT_KEY_INC; i++)
    {
        key = idx + KD_DP_ST;
        idx = (idx + 1) % Max_Dept_No;
        tmp[posi] = key;
        Lcd_Draw_Btn(posi, BTN_ID_KEY);
        posi++;
    }
    tmp[posi] = KD_PAGE_LEFT_DEPT;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    tmp[posi] = KD_PAGE_RIGHT_DEPT;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
}

/*
    对台进行翻页处理
*/
void Do_Page_Table(void)
{
    word key;
    word idx;
    byte i;
    byte posi;
    byte size;
    word *tmp;

    posi = TABLE_KEY_START_POSI;
    key = Ts_Key_Tab[posi];
    idx = key - KD_DTABLE_ST;
    tmp = (word *)Ts_Key_Tab;

    // 取得翻页后的Idx
    if (InCmd == KD_PAGE_LEFT_TABLE)
    {
        idx = (idx + Real_Table_No - TABLE_KEY_INC) % Real_Table_No;
    }
    else if (InCmd == KD_PAGE_RIGHT_TABLE)
    {
        idx = (idx + TABLE_KEY_INC) % Real_Table_No;
    }
    else if (InCmd == KD_NULL)
    {
        idx = 0;
    }

    // 更新键盘表并更新显示. 注意, 更新键盘表是一个很重要的操作
    for (i = 0; i < TABLE_KEY_INC; i++)
    {
        key = idx + KD_DTABLE_ST;
        idx = (idx + 1) % Real_Table_No;
        tmp[posi] = key;
        Lcd_Draw_Btn(posi, BTN_ID_KEY);
        posi++;
    }
}

/*
    对服务员进行翻页处理
*/
void Do_Page_Waiter(void)
{
    word key;
    word idx;
    byte i;
    byte posi;
    byte size;
    word *tmp;

    posi = WAITER_KEY_START_POSI;
    key = Ts_Key_Tab[posi];
    idx = key - KD_WAITER_ST;
    tmp = (word *)Ts_Key_Tab;

    // 取得翻页后的Idx
    if (InCmd == KD_PAGE_LEFT_WAITER)
    {
        idx = (idx + Max_Waiter_No - WAITER_KEY_INC) % Max_Waiter_No;
    }
    else if (InCmd == KD_PAGE_RIGHT_WAITER)
    {
        idx = (idx + WAITER_KEY_INC) % Max_Waiter_No;
    }
    else if (InCmd == KD_NULL)
    {
        idx = 0;
    }

    // 更新键盘表并更新显示. 注意, 更新键盘表是一个很重要的操作
    for (i = 0; i < WAITER_KEY_INC; i++)
    {
        key = idx + KD_WAITER_ST;
        idx = (idx + 1) % Max_Waiter_No;
        tmp[posi] = key;
        Lcd_Draw_Btn(posi, BTN_ID_KEY);
        posi++;
    }
    tmp[posi] = KD_PAGE_BACK_TABLE;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    tmp[posi] = KD_PAGE_LEFT_WAITER;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
    tmp[posi] = KD_PAGE_RIGHT_WAITER;
    Lcd_Draw_Btn(posi, BTN_ID_KEY);
    posi++;
}

void Do_Virtual_Key(void)
{
    byte idx;

    idx = InCmd - KD_VIRTUAL_ST;

    if (Vir_Key[idx].idx == VIRTUAL_KEY_IDX_NULL)       /* The null key, do nothing */
    {
        return;
    }

    if (Vir_Key[idx].id == VIR_KEY_PLU)
    {
        numcnt = 1;
        lnum = Vir_Key[idx].idx + 1;
        Do_PLU();
    }
    else if (Vir_Key[idx].id == VIR_KEY_CM)
    {
        Do_CM(Vir_Key[idx].idx);
    }
}