PCF8563实时时钟日历6位数码管显示

1、include Hat89s52.hMdefine uiiit unsigned int define uchar unsigned char#define#definePORT.DuanPORT.WeiPO#define#definePORT.DuanPORT.WeiPOP2数码管段显数码管位显时钟全uchai SM_8563.Min_8563Hou_8563Qay_8563,Week_8563,Moii_8563,Y_8563;时钟全局变量/PCF8563 端 I I位定义sbit sda_8563 = Pl/、O;sbit scl_8563 = PlT;一一函数声明void start_

2、8563(void);void stop_8563(void);void write_8563(uchai- data_8563);uchai read_8563(void);void Init_8563(void);void Read_data_8563(void);void Display_8563(uchai tune_l,uchar tiine_0);void Display_Int(uint dat);严*,PORT.Wei = PORT.Wei = PORT.Wei;PORT_Duan= OXff:PORT.Duan = DSY_d datfnum ;用户数据输入I I字型码（段选

3、码）03低电平有效uchai dat6;uchai code DSY_d=0 xc0,0 xf?,0 xa4,0 xb0,0 x99,0 x92,0 x820 xfK 0 x80,0 x90;uchai code DSY_w= 0 xfe,0 xfd,0 xfb,0 xf7, 0 xe0 xdf0 xbf,0 x7f;计数函数 /*动态扫描函数*/ uchai num ;void SEG_DSY( void )低电平有效位选信号数码管显示函数屏蔽高两位消隐显示段消隐3位数码管消隐3位数码管/ 2nisPORT_Wei= DSY_w num ; if( -H-num = 6 ) num = 0

4、;void TINiE_Tl(void)TMOD = 0X10 ;TH1 = (65536-2000)/256 ;TLl=(65536-2000)%256;EA= 1 ;ET1 = 1 ;TRI = 1 ;/PCF8563 驱动/函数名称：start_8563()函数功能：8563启动时序其他说明：void start_8563(void)/Ju 动 8563sda_8563 = 1;scl_8563 = 1;sda_8563 = 0;/函数名称：stop_8563()函数功能：8563停止时序其他说明：/void stop_8563(void) 停止 8563sda_8563 = 0;scl

5、_8563 = 1;sda_8563 = 1;/函数名称：write_8563(uchai- data_8563)函数功能：8563写一个字节其他说明：/void write_8563(uchai data_8563)/写一位数据 8563uchar i;fbr(i=O;i8;i+)scl_8563 = 0;if(data_8563&0 x80)sda_8563 = 1;else sda_8563 = 0;scl_8563 = 1;data_8563=l;scl_8563 = 0;/最后拉低电平完成一个完整脉冲(eiior)sda_8563 = 1;scl_8563 = 1;scl_8563

6、= 0;/函数名称：read_8563()函数功能：8563读一个字节其他说明：/uchai read_8563(void) 读一位数据 8563uchar i.temp;for(i=0;i8;i+)scl_8563 = 0;temp=l;scl_8563 = 1;if(sda_8563=l)temp |= 0 x01;sda_8563 = 1;scl_8563 = 0;scl 8563= 1:scl_8563 = 0;retuin(temp);/函数名称：Read_data8563Q函数功能：读8563时间数据(ECD码)其他说明：/void Read_data_8563(void)读取 8

7、563 时间uchar i;uchar data_fiom_8 5 63 7;fbr(i=0;i7;i+)start_8563();write_8563(0 xa2);/ 写入写指令write_8563 (0 x02+i);写入地址 start_8563();write_8563(0 xa3);/ 写入读指令 data_fiom_8563 i = read_8563();stop_8563Q；Sec_8563 = data_fiom.85630;/ 秒Mm_8563 = data_from.8563l; 分Hou_8563 = data_fkom_85632; 时Day_8563 = data

8、_fkom_85633; 口Week_8563 = data_fiom_85634;/ 星期Mon.8563 = data_fiom_85635; 月Year_8563 = data_fiom_8563(6; 年void segvalue(void)dat0=Sec_8563&0 x0f;秒datl=(Sec_85634)&0 x0f; 十秒dat2=Mm_8563&0 x0f; 分 dat3=(Min.85634)&0 x0f;十分dat4=Hou.8563&OxOf;时dat5=(Hou_85634)&OxOf;十时/函数名称：I111C85630函数功能：8563初始化其他说明：/void Init_8563(void) 初始化 8563uchar i;uchar data_85637 = 0 x55,0 x59,0 x07,0 x18,0 x03,0 x08,0 x88; /初始化时钟设置(秒分 时周星期月年)fbr(i=0;i7;i+)start_8563();write_8563(0 xa2); / 写入写指令write_8563 (0 x02+i);/ 写地址write_8563(data_8563i);stop_8563Q;/主程序void main(void) _Iiiit_85630y/8563 初始化显示时钟 07： 59： 55TIN1E_T1()；wl