typedef struct {  unsigned long int mL_data;  unsigned long int L_data;  unsigned long int M3_data;}water_date;extern water_date water_data1;

/**---------------------------------------------------------------------------------  * @brief       数据处理函数  * @param           无  *    @arg         需处理数据结构体起始地址  * @retval     数据起始地址  ---------------------------------------------------------------------------------*/unsigned char* DATA_DEAL(water_date t){    unsigned char  DIS_DATA[] = {"000mL;000L;000M3"};     if(t.mL_data || t.L_data || t.M3_data)    {        DIS_DATA[0] = (t.mL_data * 1000/450)%1000/100 + 0x30;        DIS_DATA[1] = (t.mL_data * 1000/450)%100/10 + 0x30;        DIS_DATA[2] = (t.mL_data * 1000/450)%10 + 0x30;                DIS_DATA[6] = t.L_data%1000/100 + 0x30;        DIS_DATA[7] = t.L_data%100/10 + 0x30;        DIS_DATA[8] = t.L_data%10 + 0x30;                DIS_DATA[11] = t.M3_data%1000/100 + 0x30;        DIS_DATA[12] = t.M3_data%100/10 + 0x30;        DIS_DATA[13] = t.M3_data%10 + 0x30;        return DIS_DATA;    }    else return 0;}

/**---------------------------------------------------------------------------------* @brief      对应位置显示函数* @param        y：1，2（从第几行开始写）                            x：0-15（从改行的第几位开始写）*    @arg         NULL* @retval     null---------------------------------------------------------------------------------*/unsigned char LCD1602_WRITE(unsigned char y,unsigned char x,unsigned char *write_data){    unsigned char i;    lcd_wcmd(0x06);            //向右移动光标    if(y == 1)    {            lcd_pos(x);                //设置显示位置为第一行的第1个字符        i = 0;        while(*(write_data + i) != ‘\0‘)        {                           //显示字符"WLCOME  TO"            lcd_wdat(*(write_data + i));            i++;        //    delay(200);                //控制两字之间显示速度            if(i > 15)            {                LCE1602_STATUS = WRITE_NO;                return LCE1602_STATUS;                    }             }        LCE1602_STATUS = WRITE_OK;      return LCE1602_STATUS;        }    else    {        lcd_pos(0x40 + x);                //设置显示位置为第一行的第1个字符        i = 0;        while(*(write_data + i) != ‘\0‘)        {                           //显示字符"WLCOME  TO"            lcd_wdat(*(write_data + i));            i++;        //    delay(200);                //控制两字之间显示速度            if(i > 15)            {                LCE1602_STATUS = WRITE_NO;                return LCE1602_STATUS;                    }             }        LCE1602_STATUS = WRITE_OK;      return LCE1602_STATUS;        }}