ht1381.c

avr单片机mega8和HT1381通讯的源代码

#include "iom8v.h"
#include "macros.h"
#define uint unsigned int
#define uchar unsigned char

#define RESET_1	  (PORTC |= (1 << 6))
#define RESET_0	  (PORTC &=~ (1 << 6))
#define DATA_1	  (PORTD |= (1 << 4))
#define DATA_0	  (PORTD &=~ (1 << 4))
#define SCLK_1	  (PORTC |= (1 << 5))
#define SCLK_0	  (PORTC &=~ (1 << 5))
#define DATA_IN	  (DDRD |= (1 << 4))
#define DATA_OUT  (DDRD &=~ (1 << 4))

#define GetSecond 0x81
#define GetMinute 0x83
#define GetHour   0x85
#define GetDate   0x87
#define GetMonth  0x89
#define GetDay    0x8b
#define GetYear   0x8d
#define GetTime   0x0bf
#define WP		  0x8e
#define CH		  0x80

#define SetSecond 0x80
#define SetMinute 0x82
#define SetHour   0x84
#define SetDate   0x86
#define SetMonth  0x88
#define SetDay    0x8a
#define SetYear   0x8c
#define SetTime   0x0be
/*void WriteByte(uchar Data);
uchar ReadByte();
uchar Get_Second();
uchar Get_Minute();
uchar Get_Hour();
uchar Get_Date();
uchar Get_Month();
uchar Get_Day();
uchar Get_Year();*/
//*uchar GetTime();*/

void WriteByte(uchar Data)
{
  uchar i;
  DATA_IN;
  for(i = 0; i < 8; i++)
  {
   SCLK_0;
   if(Data & 0x01)
   		   DATA_1;
   else
   	   	   DATA_0;
   SCLK_1;
   Data <<= 1;
  }
  SCLK_0;
}

uchar ReadByte()
{
  uchar i, Data = 0;
  DATA_OUT;
  SCLK_0;
  for(i = 0; i < 8; i++)
  {
   SCLK_1;
   if(PIND & 0x08)
   		   Data += 0x80;
   else
   	   	   Data += 0x00;
   SCLK_0;	   
   Data >>= 1;
  }
  return Data;
}

uchar Get_Second()
{
 uchar Second;
 RESET_0;
 RESET_1;
 WriteByte(GetSecond);
 Second = ReadByte();
 RESET_0;
 return Second;
}

uchar Get_Minute()
{
 uchar Minute;
 RESET_0;
 RESET_1;
 WriteByte(GetMinute);
 Minute = ReadByte();
 RESET_0;
 return Minute;
}

uchar Get_Hour()
{
 uchar Hour;
 RESET_0;
 RESET_1;
 WriteByte(GetHour);
 Hour = ReadByte();
 RESET_0;
 return Hour;
}

uchar Get_Date()
{
 uchar Date;
 RESET_0;
 RESET_1;
 WriteByte(GetDate);
 Date = ReadByte();
 RESET_0;
 return Date;
}

uchar Get_Month()
{
 uchar Month;
 RESET_0;
 RESET_1;
 WriteByte(GetMonth);
 Month = ReadByte();
 RESET_0;
 return Month;
}

uchar Get_Year()
{
 uchar Year;
 RESET_0;
 RESET_1;
 WriteByte(GetYear);
 Year = ReadByte();
 RESET_0;
 return Year;
}

uchar Get_Day()
{
 uchar Day;
 RESET_0;
 RESET_1;
 WriteByte(GetDay);
 Day = ReadByte();
 RESET_0;
 return Day;
}

void Get_Time(uchar Time[])
{
 uchar i, *p;
 RESET_0;
 RESET_1;
 p = Time;
 WriteByte(GetTime);
 for(i = 0; i < 8; i++)
 {
  *p = ReadByte();
  p++;
 }
 RESET_0;
}

void WriteEnable()
{
 uchar i;
 RESET_0;
 RESET_1;
 WriteByte(WP);
 for(i = 0; i < 7; i++)
 {
  SCLK_0;
  SCLK_1;
 }
 SCLK_0;
 DATA_1;
 SCLK_1;
 SCLK_0;
 RESET_0;
 RESET_1;
 WriteByte(CH);
 for(i = 0; i < 7; i++)
 {
  SCLK_0;
  SCLK_1;
 }
 SCLK_0;
 DATA_1;
 SCLK_1;
 SCLK_0;
 RESET_0;
}

void Set_Second(uchar Second)
{
 RESET_0;
 RESET_1;
 WriteByte(SetSecond);
 WriteByte(Second);
 RESET_0;
}

void Set_Minute(uchar Minute)
{
 RESET_0;
 RESET_1;
 WriteByte(SetMinute);
 WriteByte(Minute);
 RESET_0;
}

void Set_Hour(uchar Hour)
{
 RESET_0;
 RESET_1;
 WriteByte(SetHour);
 WriteByte(Hour);
 RESET_0;
}

void Set_Date(uchar Date)
{
 RESET_0;
 RESET_1;
 WriteByte(SetDate);
 WriteByte(Date);
 RESET_0;
}

void Set_Month(uchar Month)
{
 RESET_0;
 RESET_1;
 WriteByte(SetMonth);
 WriteByte(Month);
 RESET_0;
}

void Set_Year(uchar Year)
{
 RESET_0;
 RESET_1;
 WriteByte(SetYear);
 WriteByte(Year);
 RESET_0;
}

void Set_Day(uchar Day)
{
 RESET_0;
 RESET_1;
 WriteByte(SetDay);
 WriteByte(Day);
 RESET_0;
}

void Set_Time(uchar Time[])
{
 uchar i, *p;
 RESET_0;
 RESET_1;
 p = Time;
 WriteByte(SetTime);
 for(i = 0; i < 8; i++)
 {
  WriteByte(*p);
  p++;
 }
 RESET_0;
}

void TestTime()
{
 uchar Second, Minute, Hour, Date, Month, Year, Day, Time[7];
 uchar Sec = 1, Min = 2, H = 3, D = 4, Mon = 5, Y = 6, day = 7, time[7] = {9,8,7,6,5,4,3};
 Second = Get_Second();
 Minute = Get_Minute();
 Hour = Get_Hour();
 Date = Get_Date();
 Month = Get_Month();
 Year = Get_Year();
 Day = Get_Day();
 //Get_Time(Time[7]);
 
 Set_Second(Sec);
 Set_Minute(Min);
 Set_Hour(H);
 Set_Date(D);
 Set_Month(Mon);
 Set_Year(Y);
 Set_Day(day);
 //Set_Time(time[7]);
}

/*void TestFlash()
{
 SPI_SendDate(FlashWriteAddress[3]);
 SPI_ReceiveDate(FlashReadAddress[3]);
}*/
void main()
{

 TestTime();
 /*InitialPTR4000();
 while(1) {
 	  asm("sleep");
 }*/
}