STM32F103DS1302驅(qū)動(dòng)程序文件

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#include"stm32f10x_conf.h"

#include"mrhh_f1.h"

#include"HPF_TIME.h"

#include"HpfDS1302Drive.h"

//

// DS1302?y?ˉF103IO?ú????

// Ver1.0ByMrHDS

// 2016,4.23

//

#if1

#define clkreset GPIOE->BRR=GPIO_Pin_1

#define clkset GPIOE->BSRR=GPIO_Pin_1

#definerstreset GPIOE->BRR=GPIO_Pin_2

#definerstset GPIOE->BSRR=GPIO_Pin_2

#definedatreset GPIOE->BRR=GPIO_Pin_0

#definedatset GPIOE->BSRR=GPIO_Pin_0

#definedatred GPIO_ReadInputDataBit<GPIOE,GPIO_Pin_0> //?áè?êy?Y

#defineDS1302Enable HpfDS1302WritByte<control_add,0x80> //′ò?a±￡?¤

#defineDS1302DisEnable HpfDS1302WritByte<control_add,0x00> //1?±?±￡?¤

#definetestdat 0x25

#definecheaken 0

#endif

#definedstim1

Ds1302TimeDSTime={21,16,1,1,12,0,0,1};

voidHpfDS1302PinInData<void>

{

GPIO_InitTypeDefGPIO_InitStructure;

RCC_APB2PeriphClockCmd<RCC_APB2Periph_GPIOE,ENABLE>;

GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPD; //é?à-ê?è?

GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0;

GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;

GPIO_Init<GPIOE,&GPIO_InitStructure>;

}

voidHpfDS1302PinOutData<void>

{

GPIO_InitTypeDefGPIO_InitSyructure;

RCC_APB2PeriphClockCmd<RCC_APB2Periph_GPIOE,ENABLE>;

GPIO_InitSyructure.GPIO_Mode=GPIO_Mode_Out_PP; //í??aê?3?

GPIO_InitSyructure.GPIO_Pin=GPIO_Pin_0;

GPIO_InitSyructure.GPIO_Speed=GPIO_Speed_50MHz;

GPIO_Init<GPIOE,&GPIO_InitSyructure>;

}

voidHpfDS1302PinClkRst<void>

{

GPIO_InitTypeDefGPIO_InitSyructure;

RCC_APB2PeriphClockCmd<RCC_APB2Periph_GPIOE,ENABLE>;

GPIO_InitSyructure.GPIO_Mode=GPIO_Mode_Out_PP; //í??aê?3?

GPIO_InitSyructure.GPIO_Pin=GPIO_Pin_1|GPIO_Pin_2;

GPIO_InitSyructure.GPIO_Speed=GPIO_Speed_50MHz;

GPIO_Init<GPIOE,&GPIO_InitSyructure>;

}

voidHpfDS1302Init<void>

{

HpfDS1302PinClkRst<>;

clkreset;

rstreset;

//??′??÷?±?ó????ê?3?μíμ???

}

//

// DS1302?y?ˉD′è?ò???μ??·oíêy?Y

// Ver1.0ByMrHDS

// 2016,4.23

//

voidHpfDS1302WritByte<u8addr,u8data> //D′è?êy?Y?úé?éy??óDD§

{

u8i;

HpfDS1302PinOutData<>;

addr&=0xfe; //D′êy?Y￡?μ??·×?μí???a??

rstreset;

clkreset;

HpfDealyUs<dstim>;

rstset;

HpfDealyUs<dstim>;

for<i=0;i<8;i++> // D′è?μ??·

{

clkreset;

HpfDealyUs<dstim>;

if<addr&0x01>

datset;

else

datreset;

clkset;

HpfDealyUs<dstim>;

addr>>=1;

// HpfDealyUs<10>;

}

for<i=0;i<8;i++> //D′è?êy?Ydata

{

clkreset;

HpfDealyUs<dstim>;

if<data&0x01>

datset;

else

datreset;

clkset;

HpfDealyUs<dstim>;

data>>=1;

}

rstreset; //í￡?1×ü??

clkreset;

}

//

// DS1302?y?ˉ?áè?ò???êy?Y

// Ver1.0ByMrHDS

// 2016,4.23

//

u8HpfDS1302ReadByte<u8addr> //?áè?ò???êy?Y?ú???μ??óDD§￡?D′è?μ??·?úé?éy??óDD§

{

u8i,tem=0;

addr|=0x01; //?áêy?Y￡?μ??·×?μí???a1

rstreset;

clkreset;

HpfDealyUs<dstim>;

rstset; //???ˉ×ü??

HpfDealyUs<dstim>;

HpfDS1302PinOutData<>;

for<i=0;i<8;i++>

{

clkreset;

HpfDealyUs<dstim>;

if<addr&0x01>

datset;

else

datreset;

clkset;

HpfDealyUs<dstim>;

addr>>=1;

}

HpfDS1302PinInData<>;

for<i=0;i<8;i++>

{

clkreset;

HpfDealyUs<dstim>;

if<datred>

tem|=0x80;

if<i<7>

tem>>=1;

clkset;

HpfDealyUs<dstim>;

}

rstreset;

clkreset;

returntem;

}

u8HpfDSBCDToNum<u8BCD> //8421BCD??×a???aêy×?

{

u8temp,temp1;

temp1=BCD&0x0f;

temp=<<BCD&0xf0>>>4>*10+temp1;

returntemp;

}

u8HpfDSNumToBCD<u8NUM> //êy×?×a???a8421BCD??

{

u8temp;

temp=<<NUM/10><<4>|<NUM%10>;

returntemp;

}

//

// DS1302?y?ˉ??è?ó??§ê±??2￠×a???abcd??2￠?′??μ?DS1302buffer?D

// Ver1.0ByMrHDS

// 2016,4.23

//

voidHpfDSTimrSet<void>

{

HpfWTime*p;

Ds1302Time*s;

p=GetWRTime<>;

s=&DSTime;

s->century=p->MyYear/100+1;

s->year=HpfDSNumToBCD<p->MyYear-<s->century-1>*100>;

s->month=HpfDSNumToBCD<p->MyMon>;

s->day=HpfDSNumToBCD<p->MyDay>;

s->hh=HpfDSNumToBCD<p->MyHH>;

s->mm=HpfDSNumToBCD<p->MyMM>;

s->ss=HpfDSNumToBCD<p->MySS>;

s->week=HpfDSNumToBCD<GetWNLWeek<p,s->day>>;

}

//

// DS1302°?buffer?Dμ?ê±??êy?YD′è?μ?ds1302?D

// Ver1.0ByMrHDS

// 2016,4.23

//

voidHpfDS1302WritData<void>

{

Ds1302Time*s;

s=&DSTime;

DS1302DisEnable; //1?±?D′±￡?¤

HpfDS1302WritByte<sec_add,0x80>; //?Yí￡ê±?ó

HpfDS1302WritByte<year_add,s->year>;

HpfDS1302WritByte<month_add,s->month>;

HpfDS1302WritByte<day_add,s->day>;

HpfDS1302WritByte<hh_add,s->hh>;

HpfDS1302WritByte<min_add,s->mm>;

HpfDS1302WritByte<sec_add,s->ss>;

HpfDS1302WritByte<week_add,s->week>;

HpfDS1302WritByte<RAM_Address29,testdat>;

DS1302Enable;

}

//

// DS1302?áè?ê±??êy?Y2￠×a???aêy×?2￠′?è??o′??÷?D

// Ver1.0ByMrHDS

// 2016,4.23

//

voidHpfDS1302ReadData<void>

{

Ds1302Time*s;

s=&DSTime;

s->year=HpfDSBCDToNum<HpfDS1302ReadByte<year_add>>;

s->month=HpfDSBCDToNum<HpfDS1302ReadByte<month_add>>;

s->day=HpfDSBCDToNum<HpfDS1302ReadByte<day_add>>;

s->hh=HpfDSBCDToNum<HpfDS1302ReadByte<hh_add>>;

s->mm=HpfDSBCDToNum<HpfDS1302ReadByte<min_add>>;

s->ss=HpfDSBCDToNum<HpfDS1302ReadByte<sec_add>>;

s->week=HpfDSBCDToNum<HpfDS1302ReadByte<week_add>>;

}

//

// DS1302°?ê±??í?2?μ?ó??§ê±??

// Ver1.0ByMrHDS

// 2016,4.23

//

voidHpfDS1302TimeSyn<void>

{

HpfWTime*p;

p=GetWRTime<>;

p->MyYear=<DSTime.century-1>*100+DSTime.year;

p->MyMon=DSTime.month;

p->MyDay=DSTime.day;

p->MyHH=DSTime.hh;

p->MyMM=DSTime.mm;

p->MySS=DSTime.ss;

}

//

// DS1302?y?ˉ??è??o′??÷μ??·

// Ver1.0ByMrHDS

// 2016,4.23

//

Ds1302Time*HpfDS1302GetTime<void>

{

HpfDS1302Init<>;

HpfDS1302ReadData<>;

return&DSTime;

}

//

// DS1302?y?ˉRAM2ù×÷

// Ver1.0ByMrHDS

// 2016,4.23

//

// buffer?a?o′??÷μ??·￡?ramaddr?a?ú′?μ??·￡?num?aá?D?2ù×÷μ?·??§￡?rw?a1￡?±íê?D′è?êy?Y￡??a0±íê??áè?êy?Y

//

//

//

//

//

//

voidHpfDs1302RamWR<u8*buffer,u8ramaddr,u8num,u8rw>

{

u8i;

if<ramaddr==RAM_Address29>

return;

if<rw>

{

for<i=0;i<num;i++>

{

DS1302DisEnable;

HpfDS1302WritByte<ramaddr+<i<<1>,buffer[i]>;

DS1302Enable;

}

}

else

{

for<i=0;i<num;i++>

buffe