时钟芯片驱动文件ds1302.h文件下载：
DS1302.rar
(1.82 KB, 下载次数: 225)
部分内容预览：
- /*
- 把我一直珍藏的程序全部拿出来，给大家共享，这也让我想起来，我刚学的时候，搜集资料是那么辛苦，而且找不到完整的资料，我将把我整理的和自己制作的H文件共享出来，只要修改定义端口，便可以随意的调用，以后我还会慢慢完善我的C资料，也希望大家给我指出程序的漏洞和缺点，已达到相互学习目地。
- */
- #ifndef __DS1302_h__
- #define __DS1302_h__
- #define uint unsigned int
- #define uchar unsigned char
- #define ulong unsigned long
- //写指令宏定义地址
- #define WRITE_SECOND 0x80//秒钟
- #define WRITE_MINUTE 0x82//分钟
- #define WRITE_HOUR 0x84//小时
- #define WRITE_DATE 0x86//日
- #define WRITE_MONTH 0x88//月
- #define WRITE_WEEK 0x8a//星期
- #define WRITE_YEAR 0x8c//年
- //读指令宏定义地址
- #define READ_SECOND 0x81//秒钟
- #define READ_MINUTE 0x83//分钟
- #define READ_HOUR 0x85//小时
- #define READ_DATE 0x87//日
- #define READ_MONTH 0x89//月
- #define READ_WEEK 0x8b//星期
- #define READ_YEAR 0x8d//年
- //读写保护宏定义地址
- #define WRITE_PROTECT 0x8E//写保护
- uchar data tab[]={"0123456789"};
- char *p;//定义一个指针处理星期字符串
- //位寻址寄存器定义
- sbit ACC_7 = ACC^7;
- //管脚定义
- sbit SCLK = P2^0; // DS1302时钟信号7脚
- sbit DIO= P2^1; // DS1302数据信号6脚
- sbit CE = P2^2; // DS1302片选5脚
- uchar second,minute,hour;//时分秒
- uint second_1,second_0,minute_1,miunte_0,hour_1,hour_0;
- uchar week;//星期
- uchar date,month,year;//年月日
- uint date_1,date_0,month_1,month_0,year_1,year_0;
- /**************************地址、数据发送子程序*************************/
- void Write1302 ( unsigned char addr,dat )//写子程序
- {
- unsigned char i,temp;
- CE=0; //CE引脚为低，数据传送中止
- SCLK=0; //清零时钟总线
- CE = 1; //CE引脚为高，逻辑控制有效
- //发送地址
- for ( i=8; i>0; i-- ) //循环8次移位
- {
- SCLK = 0;
- temp = addr;
- DIO = (bit)(temp&0x01); //每次传输低字节
- addr >>= 1; //右移一位
- SCLK = 1;
- }
- //发送数据
- for ( i=8; i>0; i-- )
- {
- SCLK = 0;
- temp = dat;
- DIO = (bit)(temp&0x01);
- dat >>= 1;
- SCLK = 1;
- }
- CE = 0;
- }
- /****************************数据读取子程序********************************/
- unsigned char Read1302 ( unsigned char addr )//读子程序
- {
- unsigned char i,temp,dat1,dat2;
- CE=0;
- SCLK=0;
- CE = 1;
- //发送地址
- for ( i=8; i>0; i-- ) //循环8次移位
- {
- SCLK = 0;
- temp = addr;
- DIO = (bit)(temp&0x01); //每次传输低字节
- addr >>= 1; //右移一位
- SCLK = 1;
- }
- //读取数据
- for ( i=8; i>0; i-- )
- {
- ACC_7=DIO;
- SCLK = 1;
- ACC>>=1;
- SCLK = 0;
- }
- CE=0;
- dat1=ACC;
- dat2=dat1/16; //数据进制转换
- dat1=dat1%16; //十六进制转十进制
- dat1=dat1+dat2*10;
- return (dat1);
- }
- /*******************************初始化DS1302***********************************/
- void Initial(void)//上电初始化化模块2010年12月26号22点10分00秒星期日
- {
- Write1302 (WRITE_PROTECT,0X00); //禁止写保护
- Write1302 (WRITE_SECOND,0x30); //秒位初始化
- Write1302 (WRITE_MINUTE,0x59); //分钟初始化
- Write1302 (WRITE_HOUR,0x23); //小时初始化,默认24小时制
- Write1302 (WRITE_DATE,0x26); //日期初始化
- Write1302 (WRITE_MONTH,0x12); //月初始化
- Write1302 (WRITE_WEEK,0x07); //星期初始化，01-07
- Write1302 (WRITE_YEAR,0x10); //年初始化00-99
- Write1302 (WRITE_PROTECT,0x80); //允许写保护
- }
- /*******************************校时初始化*************************************/
- /*void correct()//校时模块
- {
- Write1302 (WRITE_PROTECT,0X00); //禁止写保护
- Write1302 (WRITE_SECOND,0x00); //秒位初始化
- Write1302 (WRITE_MINUTE,0x30); //分钟初始化
- Write1302 (WRITE_HOUR,0x21); //小时初始化,默认24小时制
- Write1302 (WRITE_DATE,0x26); //日期初始化
- Write1302 (WRITE_MONTH,0x12); //月初始化
- Write1302 (WRITE_WEEK,0x07); //星期初始化，01-07
- Write1302 (WRITE_YEAR,0x10); //年初始化00-99
- Write1302 (WRITE_PROTECT,0x80); //允许写保护
- }
- /*******************************星期转化程序***********************************/
- void week_c()//星期转化
- {
- char *pp;//定义一个局部指针
- switch(week)
- {
- case 1:pp="Mon 1";break;
- case 2:pp="Tue 2";break;
- case 3:pp="Wed 3";break;
- case 4:pp="Tur 4";break;
- case 5:pp="Fri 5";break;
- case 6:pp="Sat 6";break;
- case 7:pp="Sun 7";break;
- default:pp="error";break;
- }
- p=pp;//函数地址赋值
- }
- /*******************************数据刷新DS1302*********************************/
- void freshtime()//读取时间
- {
- second=Read1302 (READ_SECOND);//读取十进制数
- minute=Read1302 (READ_MINUTE);
- hour=Read1302 (READ_HOUR);
- date=Read1302 (READ_DATE);
- month=Read1302 (READ_MONTH);
- week=Read1302 (READ_WEEK);
- year=Read1302 (READ_YEAR);
- second_1=second/10;//高位赋值
- second_0=second-second_1*10;//低位赋值
- minute_1=minute/10;
- miunte_0=minute-minute_1*10;
- hour_1=hour/10;
- hour_0=hour-hour_1*10;
- date_1=date/10;
- date_0=date-date_1*10;
- month_1=month/10;
- month_0=month-month_1*10;
- year_1=year/10;
- year_0=year-year_1*10;
- }
- #endif
|
[复制链接]
