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IntelligentLighting
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IntelligentLighting/ds1302.c

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debug
3 years ago
#include"ds1302.h"
//---DS1302д<EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD>ȡʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>---//
//---<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>дλ;-------//
uchar code READ_RTC_ADDR[7] = {0x81, 0x83, 0x85, 0x87, 0x89, 0x8b, 0x8d};
uchar code WRITE_RTC_ADDR[7] = {0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c};
//---DS1302ʱ<EFBFBD>ӳ<EFBFBD>ʼ<EFBFBD><EFBFBD>2013<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>12<EFBFBD><EFBFBD>00<EFBFBD><EFBFBD>00<EFBFBD>롣---//
//---<EFBFBD>洢˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD>洢<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>BCD<EFBFBD><EFBFBD>---//
uchar TIME[7] = {0X00, 0X01, 0x23, 0x28, 0x04, 0x04, 0x22};
void Ds1302Write(uchar addr, uchar dat)
{
uchar n;
RST = 0;
_nop_();
SCLK = 0;//<EFBFBD>Ƚ<EFBFBD>SCLK<EFBFBD>õ͵<EFBFBD>ƽ<EFBFBD><EFBFBD>
_nop_();
RST = 1; //Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>RST(CE)<EFBFBD>øߵ<EFBFBD>ƽ<EFBFBD><EFBFBD>
_nop_();
for (n=0; n<8; n++)//<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>Ͱ<EFBFBD>λ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
DSIO = addr & 0x01;//<EFBFBD><EFBFBD><EFBFBD>ݴӵ<EFBFBD>λ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
addr >>= 1;
SCLK = 1;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>DS1302<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
_nop_();
SCLK = 0;
_nop_();
}
for (n=0; n<8; n++)//д<EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
DSIO = dat & 0x01;
dat >>= 1;
SCLK = 1;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>DS1302<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
_nop_();
SCLK = 0;
_nop_();
}
RST = 0;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD><EFBFBD>
_nop_();
}
uchar Ds1302Read(uchar addr)
{
uchar n,dat,dat1;
RST = 0;
_nop_();
SCLK = 0;//<EFBFBD>Ƚ<EFBFBD>SCLK<EFBFBD>õ͵<EFBFBD>ƽ<EFBFBD><EFBFBD>
_nop_();
RST = 1;//Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>RST(CE)<EFBFBD>øߵ<EFBFBD>ƽ<EFBFBD><EFBFBD>
_nop_();
for(n=0; n<8; n++)//<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>Ͱ<EFBFBD>λ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
DSIO = addr & 0x01;//<EFBFBD><EFBFBD><EFBFBD>ݴӵ<EFBFBD>λ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
addr >>= 1;
SCLK = 1;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>DS1302<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
_nop_();
SCLK = 0;//DS1302<EFBFBD>½<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
_nop_();
}
_nop_();
for(n=0; n<8; n++)//<EFBFBD><EFBFBD>ȡ8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
dat1 = DSIO;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
dat = (dat>>1) | (dat1<<7);
SCLK = 1;
_nop_();
SCLK = 0;//DS1302<EFBFBD>½<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
_nop_();
}
RST = 0;
_nop_(); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪDS1302<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD>ʱ<EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD>
SCLK = 1;
_nop_();
DSIO = 0;
_nop_();
DSIO = 1;
_nop_();
return dat;
}
void Ds1302Init()
{
uchar n;
Ds1302Write(0x8E,0X00); //<EFBFBD><EFBFBD>ֹд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǹر<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
for (n=0; n<7; n++)//д<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD><EFBFBD>ֽڵ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
Ds1302Write(WRITE_RTC_ADDR[n],TIME[n]);
}
Ds1302Write(0x8E,0x80); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
void Ds1302ReadTime()
{
uchar n;
for (n=0; n<7; n++)//<EFBFBD><EFBFBD>ȡ7<EFBFBD><EFBFBD><EFBFBD>ֽڵ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
TIME[n] = Ds1302Read(READ_RTC_ADDR[n]);
}
}