你会不会写驱动ds1302的代码
时间: 2024-04-29 19:23:12 浏览: 89
作为AI语言模型,我没有具体的编程能力,但我可以提供一些基本的参考代码来驱动DS1302:
```
#include <DS1302.h>
#define CLK 2
#define DAT 3
#define RST 4
DS1302 rtc(CLK, DAT, RST);
void setup() {
rtc.halt(false);
rtc.writeProtect(false);
rtc.setTime(0, 59, 23);
rtc.setDate(31, 12, 2019);
}
void loop() {
rtc.updateTime();
Serial.print(rtc.getHours());
Serial.print(":");
Serial.print(rtc.getMinutes());
Serial.print(":");
Serial.println(rtc.getSeconds());
delay(1000);
}
```
这段代码用于初始化DS1302实时时钟,并在循环过程中更新时间并输出到串口监视器。如果您需要更详细的说明,请参考DS1302库的文档。
相关问题
STM32F103C8T6驱动DS1302代码
以下是STM32F103C8T6驱动DS1302的基本代码:
```c
#include "stm32f10x.h"
#include "ds1302.h"
void DS1302_GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void DS1302_Delay(uint16_t nCount)
{
uint16_t i;
for (i = 0; i < nCount; i++);
}
void DS1302_WriteByte(uint8_t addr, uint8_t dat)
{
uint8_t i;
GPIO_ResetBits(GPIOA, GPIO_Pin_6); //RST
DS1302_Delay(1);
GPIO_ResetBits(GPIOA, GPIO_Pin_7); //CE
for (i = 0; i < 8; i++)
{
GPIO_WriteBit(GPIOB, GPIO_Pin_5, (BitAction)(addr & 0x01)); //IO
addr >>= 1;
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_RESET); //SCLK
DS1302_Delay(1);
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_SET); //SCLK
}
for (i = 0; i < 8; i++)
{
GPIO_WriteBit(GPIOB, GPIO_Pin_5, (BitAction)(dat & 0x01)); //IO
dat >>= 1;
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_RESET); //SCLK
DS1302_Delay(1);
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_SET); //SCLK
}
GPIO_WriteBit(GPIOA, GPIO_Pin_7, Bit_SET); //CE
}
uint8_t DS1302_ReadByte(uint8_t addr)
{
uint8_t i, dat = 0;
GPIO_ResetBits(GPIOA, GPIO_Pin_6); //RST
DS1302_Delay(1);
GPIO_ResetBits(GPIOA, GPIO_Pin_7); //CE
for (i = 0; i < 8; i++)
{
GPIO_WriteBit(GPIOB, GPIO_Pin_5, (BitAction)(addr & 0x01)); //IO
addr >>= 1;
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_RESET); //SCLK
DS1302_Delay(1);
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_SET); //SCLK
}
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
for (i = 0; i < 8; i++)
{
dat >>= 1;
if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_5))
{
dat |= 0x80;
}
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_RESET); //SCLK
DS1302_Delay(1);
GPIO_WriteBit(GPIOA, GPIO_Pin_8, Bit_SET); //SCLK
}
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_WriteBit(GPIOA, GPIO_Pin_7, Bit_SET); //CE
return dat;
}
void DS1302_WriteTime(DS1302_TIME * time)
{
DS1302_WriteByte(0x8e, 0x00);
DS1302_WriteByte(0x80, time->sec);
DS1302_WriteByte(0x82, time->min);
DS1302_WriteByte(0x84, time->hour);
DS1302_WriteByte(0x86, time->date);
DS1302_WriteByte(0x88, time->month);
DS1302_WriteByte(0x8c, time->year);
}
void DS1302_ReadTime(DS1302_TIME * time)
{
time->sec = DS1302_ReadByte(0x81);
time->min = DS1302_ReadByte(0x83);
time->hour = DS1302_ReadByte(0x85);
time->date = DS1302_ReadByte(0x87);
time->month = DS1302_ReadByte(0x89);
time->year = DS1302_ReadByte(0x8d);
}
void DS1302_Init(void)
{
DS1302_TIME time = {0};
DS1302_GPIO_Configuration();
DS1302_WriteByte(0x8e, 0x00);
DS1302_WriteByte(0x80, 0x00); //秒
DS1302_WriteByte(0x82, 0x00); //分
DS1302_WriteByte(0x84, 0x12); //时
DS1302_WriteByte(0x86, 0x07); //日
DS1302_WriteByte(0x88, 0x08); //月
DS1302_WriteByte(0x8c, 0x20); //年
DS1302_ReadTime(&time);
}
```
此代码中,使用了DS1302_TIME结构体来表示时间,包括秒、分、时、日、月、年等信息。其中DS1302_GPIO_Configuration函数用于配置STM32的GPIO口,DS1302_Delay函数用于实现延时,DS1302_WriteByte函数用于向DS1302写入数据,DS1302_ReadByte函数用于从DS1302读取数据,DS1302_WriteTime函数用于设置时间,DS1302_ReadTime函数用于读取时间,DS1302_Init函数用于初始化DS1302。
51单片机驱动DS1302的代码
以下是基于C语言的51单片机驱动DS1302实时时钟的代码,需要用到DS1302的时钟和IO口:
```c
#include <reg51.h>
sbit SCLK = P1^0; //定义SCLK引脚
sbit DSIO = P1^1; //定义DSIO引脚
sbit RST = P1^2; //定义RST引脚
void Write_DS1302_Byte(unsigned char dat) //写入一个字节的数据
{
unsigned char i;
for(i=0;i<8;i++) //发送8位数据
{
DSIO=dat&0x01; //先发送最低位
SCLK=0; //拉低时钟线
dat>>=1; //移位,准备发送下一位
SCLK=1; //拉高时钟线,数据被写入
}
}
unsigned char Read_DS1302_Byte() //读取一个字节的数据
{
unsigned char i;
unsigned char dat=0;
for(i=0;i<8;i++) //接收8位数据
{
dat>>=1; //先接收最低位
if(DSIO==1) dat|=0x80; //如果接收到高电平,就将最高位设置为1
SCLK=0; //拉低时钟线
SCLK=1; //拉高时钟线,准备接收下一位
}
return dat;
}
void Write_DS1302(unsigned char address,unsigned char dat) //向DS1302写入一个字节的数据
{
RST=0; //拉低复位线
SCLK=0; //拉低时钟线
RST=1; //拉高复位线
Write_DS1302_Byte(address); //写入地址
Write_DS1302_Byte(dat); //写入数据
RST=0; //写入完成,再次拉低复位线
}
unsigned char Read_DS1302(unsigned char address) //从DS1302读取一个字节的数据
{
unsigned char dat;
RST=0; //拉低复位线
SCLK=0; //拉低时钟线
RST=1; //拉高复位线
Write_DS1302_Byte(address); //写入地址
dat=Read_DS1302_Byte(); //读取数据
RST=0; //读取完成,再次拉低复位线
return dat;
}
void DS1302_Init() //初始化DS1302
{
Write_DS1302(0x8e,0x00); //禁用写保护
Write_DS1302(0x80,0x00); //秒清零
Write_DS1302(0x82,0x00); //分清零
Write_DS1302(0x84,0x00); //时清零
Write_DS1302(0x86,0x01); //日为1
Write_DS1302(0x88,0x01); //月为1
Write_DS1302(0x8c,0x20); //年为20
Write_DS1302(0x8e,0