#include "msp430x26x.h"
#define uchar unsigned char
#define uint unsigned int
#define iDat 1 //数据标志
#define iCmd 0 //指令标志
#define LCDb_RS 0x20 //定义四个控制引脚
#define LCDb_RW 0x40
#define LCDb_E 0x80
#define LCDb_RST 0x04
#define LCDb_L1 0x80 //第一行的地址
#define LCDb_L2 0x90 //第二行的地址
#define LCDb_L3 0x88 //第三行的地址
#define LCDb_L4 0x98 //第四行的地址
#define LCDb_SET_RS P1OUT|=LCDb_RS //四个控制管脚的控制 *** 作
#define LCDb_SET_RW P1OUT|=LCDb_RW
#define LCDb_SET_E P1OUT|=LCDb_E
#define LCDb_SET_RST P8OUT|=LCDb_RST
#define LCDb_CLR_RS P1OUT&=~LCDb_RS
#define LCDb_CLR_RW P1OUT&=~LCDb_RW
#define LCDb_CLR_E P1OUT&=~LCDb_E
#define LCDb_CLR_RST P8OUT&=~LCDb_RST
#define LCDb_DO P4OUT //输出数据总线端口定义
#define LCDb_FUNCTION 0x38 // 液晶模式为8位，2行，5*8字符
#define LCDb_BASCMD 0x30 // 基本指令集
#define LCDb_CLS 0x01 // 清屏
#define LCDb_HOME 0x02 // 地址返回原点，不改变DDRAM内容
#define LCDb_ENTRY 0x06 // 设数春定输入模式，光标加，屏幕不移动
#define LCDb_C2L 0x10 // 光标左移
#define LCDb_C2R 0x14 // 光标右移
#define LCDb_D2L 0x18 // 屏幕左移
#define LCDb_D2R 0x1C // 屏幕又移
#define LCDb_ON 0x0C // 打开显示
#define LCDb_OFF 0x08 //告野 关闭显示
unsigned char RXData
unsigned char Seg_Data[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f} //数码管袜毕喊编码
unsigned char Result[5] //整数转化成字符串，给LCD显示
void Delayms(uint MS)
{
uint i,j
for( i=0i<MSi++)
for(j=0j<1141j++)
}
void Delayus(uint US)
{
uint i
US=US*5/4
for( i=0i<USi++)
}
void LCD12864_portini()
{
P1DIR=0xFF
P4DIR=0xFF
P5DIR=0xFF
P8DIR=0xFF
P8OUT |=LCDb_RST
//P1OUT=0xFF
}
/*函数名称: LCD12864_sendbyte
功能: 向12864液晶写入一个字节数据或者指令
*/
void LCD12864_sendbyte(uchar DatCmd, uchar dByte)
{
if (DatCmd == iCmd) //指令 *** 作
LCDb_CLR_RS
else
LCDb_SET_RS
LCDb_CLR_RW //写 *** 作
LCDb_SET_E
LCDb_DO = dByte //写入数据
//Delayus(500)
Delayms(1)
LCDb_CLR_E
}
/*函数名称: LCD12864_sendstr
功能: 向12864液晶写入一个字符串
参数: ptString--字符串指针
返回值 : 无
*/
void LCD12864_sendstr(uchar *ptString)
{
while((*ptString)!='\0') //字符串未结束一直写
{
LCD12864_sendbyte(iDat, *ptString++)
}
}
/*函数名称: LCD12864_clear
功能: 12864液晶清屏
参数: 无
返回值 : 无
*/
void LCD12864_clear(void)
{
LCD12864_sendbyte(iCmd,LCDb_CLS)
Delayms(2)// 清屏指令写入后，2ms 的延时是很必要的!!!
}
/*
函数名称: LCD12864_gotoXY
功能: 移动到指定位置
参数: Row--指定的行
Col--指定的列
返回值 : 无
*/
void LCD12864_gotoXY(uchar Row, uchar Col)
{
switch (Row) //选择行
{
case 2:
LCD12864_sendbyte(iCmd, LCDb_L2 + Col)break //写入第2行的指定列
case 3:
LCD12864_sendbyte(iCmd, LCDb_L3 + Col)break //写入第3行的指定列
case 4:
LCD12864_sendbyte(iCmd, LCDb_L4 + Col)break //写入第4行的指定列
default:
LCD12864_sendbyte(iCmd, LCDb_L1 + Col)break //写入第1行的指定列
}
}
/*
函数名称: LCD12864_initial
功能: 12864液晶初始化
*/
void LCD12864_initial(void)
{
Delayms(100) // 等待内部复位
LCD12864_portini() //端口初始化
LCD12864_sendbyte(iCmd, LCDb_FUNCTION) //功能、模式设定
LCD12864_sendbyte(iCmd, LCDb_ON) //打开显示
LCD12864_clear() //清屏
LCD12864_sendbyte(iCmd, LCDb_ENTRY) // 输入模式设定
}
void Int_char(int data)
{
if(data/1000)
{
Result[0]=data/1000+'0'
Result[1]=data/100%10+'0'
Result[2]=data/10%10+'0'
Result[3]=data%10+'0'
Result[4]=0
}
else if(data/100)
{
Result[0]=data/100+'0'
Result[1]=data/10%10+'0'
Result[2]=data%10+'0'
Result[3]=0
}
else if(data/10)
{
Result[0]=data/10%10+'0'
Result[1]=data%10+'0'
Result[2]=0
}
else
{
Result[0]=data%10+'0'
Result[1]=0
}
}
unsigned char Key_Press(void)
{
P7OUT=0xF0
if((P7IN&0x10)&&(P7IN&0x20)&&(P7IN&0x40)&&(P7IN&0x80)) return 0x00
else return 0xFF
}
unsigned char Get_Keycode(void)
{
while(1)
{
P7OUT=0xFE //扫描第一列
if((P7IN&0x10)==0) return 0
else if((P7IN&0x20)==0) return 4
else if((P7IN&0x40)==0) return 8
else if((P7IN&0x80)==0) return 12
P7OUT=0xFD //扫描第二列
if((P7IN&0x10)==0) return 1
else if((P7IN&0x20)==0) return 5
else if((P7IN&0x40)==0) return 9
else if((P7IN&0x80)==0) return 13
P7OUT=0xFB //扫描第三列
if((P7IN&0x10)==0) return 2
else if((P7IN&0x20)==0) return 6
else if((P7IN&0x40)==0) return 10
else if((P7IN&0x80)==0) return 14
P7OUT=0xF7 //扫描第四列
if((P7IN&0x10)==0) return 3
else if((P7IN&0x20)==0) return 7
else if((P7IN&0x40)==0) return 11
else if((P7IN&0x80)==0) return 15
}
}
void Init_compa()
{
CACTL1 = CAON+CAREF_2+CARSEL// Enable Comp, ref = 0.5*Vcc = Vin-
CACTL2 = P2CA0 // Pin to CA0
P1DIR |= 0x01 // P1.0 = o/p direction(CAOUT - LED)
P1SEL |= 0x01 // P1.0 - CAOUT, option select
}
/*
** 函数名称：初始化函数
*/
void Init_IIC(void)
{
P3SEL |= 0x06 // Assign I2C pins to USCI_B0
UCB0CTL1 |= UCSWRST // Enable SW reset
UCB0CTL0 = UCMST + UCMODE_3 + UCSYNC// I2C Master, synchronous mode
UCB0CTL1 = UCSSEL_2 + UCSWRST // Use SMCLK, keep SW reset
UCB0BR0 = 12// fSCL = SMCLK/12 = ~100kHz
UCB0BR1 = 0
UCB0I2CSA = 0x50 // Slave Address is 048h
UCB0CTL1 &= ~UCSWRST// Clear SW reset, resume operation
IE2 |= UCB0RXIE // Enable RX interrupt
_BIS_SR(GIE)
// RXCompare = 0x0 // Used to check incoming data
}
/** 函数名称：字节写函数
*/
void EEPROM_Write(unsigned char high_Address,unsigned char low_Address,unsigned char Word)
{
while (UCB0CTL1 &UCTXSTP) // 确定总线空闲
UCB0CTL1 |= UCTXSTT + UCTR // 发送起始位，确定为发送模式
UCB0TXBUF = high_Address// 发送高位地址
while((IFG2 &UCB0TXIFG)==0) // 判断是否发送完毕
UCB0TXBUF = low_Address // 发送低位地址
while((IFG2 &UCB0TXIFG)==0) // 判断是否发送完毕
UCB0TXBUF = Word// 发送数据
while((IFG2 &UCB0TXIFG)==0) // 判断是否发送完毕
UCB0CTL1 |= UCTXSTP // 发送停止位
while((UCB0CTL1 &UCTXSTP)==1) // 判断停止位是否发送完毕
}
/**
** 函数名称：字节读函数
*/
void EEPROM_readmore()
{
UCB0CTL1 &= ~UCTR // 确定为读
while (UCB0CTL1 &UCTXSTP) // 总线是否空闲
UCB0CTL1 |= UCTXSTT// 发送开始位
}
/*
** 函数名称：字节写函数
**/
void EEPROM_read(unsigned char high_Address,unsigned char low_Address)
{
while (UCB0CTL1 &UCTXSTP) // Ensure stop condition got sent
UCB0CTL1 |= UCTXSTT + UCTR // 发送起始位，确定为写
UCB0TXBUF = high_Address// 发送地址位高位
while((IFG2 &UCB0TXIFG)==0) // 判断是否发送完毕
UCB0TXBUF = low_Address // 发送地址位低位
while((IFG2 &UCB0TXIFG)==0) // 判断是否发送完毕
UCB0CTL1 &= ~UCTR // 确定为接收
while (UCB0CTL1 &UCTXSTP) //
UCB0CTL1 |=UCTXSTT
while((UCB0CTL1 &UCTXSTT)==1)
for(unsigned char i=0x0i<0x2fi++) // 延时确定数据已经被发送出去
UCB0CTL1 |=UCTXSTP + UCTXNACK // 发送停止位和NACK位
}
/*
** 函数名称：接收中断函数
**/
// USCI_B0 Data ISR
#pragma vector = USCIAB0TX_VECTOR
__interrupt void USCIAB0TX_ISR(void)
{
RXData = UCB0RXBUF // Get RX data
Int_char(RXData)
LCD12864_gotoXY(2,0) //第2行，第1列显示
LCD12864_sendstr(Result)
/*
key_code[0]=RXData%10+'0'
key_code[1]=0
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr(key_code)
*/
// __bic_SR_register_on_exit(CPUOFF) // Exit LPM0
}
void Init_UART()
{
P3OUT &= ~(BIT4+BIT5+BIT6+BIT7)
P3SEL = 0xF0// P3.4,5,6,7 = USCI_A0 TXD/RXD USCI_A1 TXD/RXD
UCA0CTL1 |= UCSSEL_1// CLK = ACLK
UCA0BR0 = 0x03 // 32kHz/9600 = 3.41
UCA0BR1 = 0x00 //
UCA0MCTL = UCBRS1 + UCBRS0 // Modulation UCBRSx = 3
UCA0CTL1 &= ~UCSWRST// **Initialize USCI state machine**
IE2 |= UCA0RXIE // Enable USCI_A0 RX interrupt
UCA1CTL1 |= UCSSEL_1// CLK = ACLK
UCA1BR0 = 0x03 // 32kHz/9600 = 3.41
UCA1BR1 = 0x00 //
UCA1MCTL = UCBRS1 + UCBRS0 // Modulation UCBRSx = 3
UCA1CTL1 &= ~UCSWRST// **Initialize USCI state machine**
UC1IE |= UCA1RXIE // Enable USCI_A0 RX interrupt
_BIS_SR(GIE)//使能中断
}
void Init_ADC()
{
ADC12CTL0 = SHT0_2 + ADC12ON// Set sampling time, turn on ADC12
ADC12CTL1 = SHP // Use sampling timer
ADC12IE = 0x01 // Enable interrupt
ADC12CTL0 |= ENC// Conversion enabled
P6DIR &= 0x01 // P6.0, i/p
P6SEL |= 0x01 // P6.0-ADC option select
_BIS_SR(GIE)//使能中断
}
void Start_ADC()
{
ADC12CTL0 |= ADC12SC // Start convn, software controlled
}
#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void)
{
while (!(IFG2&UCA0TXIFG)) // USCI_A0 TX buffer ready?
UCA0TXBUF = UCA0RXBUF // TX ->RXed character
LCD12864_sendbyte(iDat,UCA0RXBUF)
}
#pragma vector=USCIAB1RX_VECTOR
__interrupt void USCI1RX_ISR(void)
{
while (!(UC1IFG&UCA1TXIFG)) // USCI_A0 TX buffer ready?
UCA1TXBUF = UCA1RXBUF // TX ->RXed character
LCD12864_sendbyte(iDat,UCA0RXBUF)
//UCA1TXBUF = 'z'
}
// ADC12 interrupt service routine
#pragma vector=ADC12_VECTOR
__interrupt void ADC12_ISR (void)
{
int i=ADC12MEM0
Int_char(i)
LCD12864_gotoXY(2,0) //第1行，第1列显示
LCD12864_sendstr(Result)
/*
key_code[0] =i/1000+'0'
key_code[1] =i/100%10+'0'
key_code[2] =i/10%10+'0'
key_code[3] =i%10+'0'
key_code[4] =0
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr(key_code)
*/
}
void Init_all()
{
LCD12864_initial()//LCD初始化，包含了数码管和LED灯初始化
P7DIR=0x0F //键盘扫描初始化
P7REN=0xF0 //输入上下拉电阻使能，输出上下拉不使能
P7OUT=0xF0//输入上拉
Init_UART()//串口初始化
Init_compa()//比较器初始化
Init_ADC()//ADC初始化
Init_IIC()//IIC初始化
}
void Test_Led()
{
unsigned char i=0
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("1.Test_LED")
for(i<16i++)
{
P8OUT=0xF0|i
Delayms(50)
}
}
void Test_Seg()
{
int i
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("2.Test_SEG")
for(i=0i<500i++)
{
//4,3,2,1
P1OUT&=~0x02
P1OUT|=0x10|0x08|0x04
P5OUT=Seg_Data[9] //清楚数码管显示
Delayms(1)
P1OUT&=~0x04
P1OUT|=0x10|0x08|0x02
P5OUT=Seg_Data[8] //清楚数码管显示
Delayms(1)
P1OUT&=~0x08
P1OUT|=0x10|0x04|0x02
P5OUT=Seg_Data[7] //清楚数码管显示
Delayms(1)
P1OUT&=~0x10
P1OUT|=0x08|0x04|0x02
P5OUT=Seg_Data[6] //清楚数码管显示
Delayms(1)
}
P5OUT=0x00//熄灭所有数码管
}
void Test_Key()
{
unsigned char i=0
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("3.Test_KEY")
LCD12864_gotoXY(2,0) //第2行，第1列显示
LCD12864_sendstr("按键：")
for(i<16i++)
{
Int_char(Get_Keycode())
LCD12864_gotoXY(2,3)
LCD12864_sendstr("")
LCD12864_gotoXY(2,3)
LCD12864_sendstr(Result)
Delayms(100)//防抖
}
}
void Test_Uart()
{
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("4.Test_UART")
LCD12864_gotoXY(2,0) //第2行，第1列显示
}
void Test_Compa()
{
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("5.Test_COMPA")
}
void Test_ADC()
{
int i=0
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("6.Test_ADC")
for(i<200i++)
{
Start_ADC()
Delayms(10)
}
}
void Test_IIC()
{
LCD12864_gotoXY(1,0) //第1行，第1列显示
LCD12864_sendstr("7.Test_IIC")
EEPROM_Write(0x00,0x40,7)// 字节写
Delayms(10)
EEPROM_read(0x00,0x40)
}
void main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD//关闭看门狗
Init_all()
while(1){
Test_Led() //1.测试LED
LCD12864_gotoXY(2,0) //第1行，第1列显示
LCD12864_sendstr("请按16键！")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
Test_Seg() //2.测试数码管
LCD12864_gotoXY(2,0) //第1行，第1列显示
LCD12864_sendstr("请按16键！")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
Test_Key() //3.测试按键扫描
LCD12864_gotoXY(2,0) //第1行，第1列显示
LCD12864_sendstr("请按16键！")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
LCD12864_gotoXY(3,0) //第3行，第1列显示
LCD12864_sendstr("请按16键！")
Test_Uart() //4.测试串口
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
Test_Compa() //5.测试比较器
LCD12864_gotoXY(2,0) //第2行，第1列显示
LCD12864_sendstr("请按16键！")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
Test_ADC() //6.测试ADC
LCD12864_gotoXY(3,0) //第3行，第1列显示
LCD12864_sendstr("请按16键！")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
Test_IIC() //7.测试IIC
Delayms(100)
LCD12864_gotoXY(3,0) //第3行，第1列显示
LCD12864_sendstr("测试完成")
while(!(Get_Keycode()==15)) //按下最后一键测试下一个例子
LCD12864_clear()
}
}
顶层文件 万年历.C#include<reg51.h>坦孙
#include "LCD1602.h"
#include "DS1302.h"
#define uchar unsigned char
#define uint unsigned int
sbit speaker=P2^4
bit key_flag1=0,key_flag2=0
SYSTEMTIME adjusted
uchar sec_add=0,min_add=0,hou_add=0,day_add=0,mon_add=0,yea_add=0
uchar data_alarm[7]={0}
/************键盘控制******************************/芦模
int key_scan() //扫描是否有键按下
{ int i=0
uint temp
P1=0xf0
temp=P1
if(temp!=0xf0)
i=1
else
i=0
return i
}
uchar key_value() //确定按键的值
{
uint m=0,n=0,temp
uchar value
uchar v[4][3]={'2','1','0','5','4','3','8','7','6','b','a','9'}
P1=0xfe temp=P1if(temp!=0xfe)m=0
P1=0xfdtemp=P1 if(temp!=0xfd)m=1
P1=0xfbtemp=P1 if(temp!=0xfb)m=2
P1=0xf7temp=P1 if(temp!=0xf7)m=3
P1=0xeftemp=P1 if(temp!=0xef)n=0
P1=0xdftemp=P1 if(temp!=0xdf)n=1
P1=0xbftemp=P1 if(temp!=0xbf)n=2
value=v[m][n]
return value
}
/***************************设置闹铃函数*******************************/
void naoling(void)
{
uchar i=0,l=0,j
init1602()
while(key_flag2&&i<12)
if(key_scan()){j=key_value()write_data(j)if(i%2==0)data_alarm[l]=(j-'0')*10else {data_alarm[l]+=(j-'0')l++}i++delay(600)}
write_com(0x01)
}
uchar according(void)
{ uchar k
if(data_alarm[0]==adjusted.Year&&data_alarm[1]==adjusted.Month&&data_alarm[2]==adjusted.Day&&data_alarm[3]==adjusted.Hour&&data_alarm[4]==adjusted.Minute&&data_alarm[5]==adjusted.Second)
k=1
else k=0
return k
}
void speak(void)
{uint i=50
while(i)
{speaker=0
delay(1)
speaker=1
delay(1)
i--
}
}
void alarm(void)
{uint i=10
while(i)
{
speak()
delay(10)
i--
}
}
/**************************修改时间 *** 作********************************/陪信缓
void reset(void)
{
sec_add=0
min_add=0
hou_add=0
day_add=0
mon_add=0
yea_add=0
}
void adjust(void)
{
if(key_scan()&&key_flag1)
switch(key_value())
{case '0':sec_add++break
case '1':min_add++break
case '2':hou_add++break
case '3':day_add++break
case '4':mon_add++break
case '5':yea_add++break
case 'b':reset()break
default: break
}
adjusted.Second+=sec_add
adjusted.Minute+=min_add
adjusted.Hour+=hou_add
adjusted.Day+=day_add
adjusted.Month+=mon_add
adjusted.Year+=yea_add
if(adjusted.Second>59) adjusted.Second=adjusted.Second%60
if(adjusted.Minute>59) adjusted.Minute=adjusted.Minute%60
if(adjusted.Hour>23) adjusted.Hour=adjusted.Hour%24
if(adjusted.Day>31) adjusted.Day=adjusted.Day%31
if(adjusted.Month>12) adjusted.Month=adjusted.Month%12
if(adjusted.Year>100) adjusted.Year=adjusted.Year%100
}
/**************************中断处理函数*********************************/
void changing(void) interrupt 0 using 0 //需要修改时间和日期，或者停止修改
{
if(key_flag1)key_flag1=0
else key_flag1=1
}
void alarming(void) interrupt 3 using 0 //需要设置闹铃或者停止设置
{
if(key_flag2)key_flag2=0
else key_flag2=1
}
/********************************主函数***********************************/
main()
{uint i
uchar *l
uchar p1[]="D:",p2[]="T:"
SYSTEMTIME T
EA=1
EX0=1
IT0=1
EA=1
EX1=1
IT1=1
init1602()
Initial_DS1302()
while(1)
{ write_com(0x80)
write_string(p1,2)
write_com(0xc0)
write_string(p2,2)
DS1302_GetTime(&T)
adjusted.Second=T.Second
adjusted.Minute=T.Minute
adjusted.Hour=T.Hour
adjusted.Week=T.Week
adjusted.Day=T.Day
adjusted.Month=T.Month
adjusted.Year=T.Year
for(i=0i<9i++)
{
adjusted.DateString[i]=T.DateString[i]
adjusted.TimeString[i]=T.TimeString[i]
}
adjust()
if(key_flag2)naoling()
if(according())alarm()
DateToStr(&adjusted)
TimeToStr(&adjusted)
write_com(0x82)
write_string(adjusted.DateString,8)
write_com(0xc2)
write_string(adjusted.TimeString,8)
delay(10)
}
（二）头文件1 显示模块 LCD1602.H
#ifndef LCD_CHAR_1602_2009_5_9
#define LCD_CHAR_1602_2009_5_9
#define uchar unsigned char
#define uint unsigned int
sbit lcdrs = P2^0
sbit lcdrw = P2^1
sbit lcden = P2^2
void delay(uint z)// 延时
{
uint x,y
for(x=zx>0x--)
for(y=110y>0y--)
}
void write_com(uchar com) // 写入指令数据到 lcd
{
lcdrw=0
lcdrs=0
P0=com
delay(5)
lcden=1
delay(5)
lcden=0
}
void write_data(uchar date) // 写入字符显示数据到 lcd
{
lcdrw=0
lcdrs=1
P0=date
delay(5)
lcden=1
delay(5)
lcden=0
}
void init1602() // 初始化设定
{
lcdrw=0
lcden=0
write_com(0x3C)
write_com(0x0c)
write_com(0x06)
write_com(0x01)
write_com(0x80)
}
void write_string(uchar *pp,uint n)
{
int i
for(i=0i<ni++)
write_data(pp[i])
}
#endif
(三)头文件2 时钟模块 DS1302.H
#ifndef _REAL_TIMER_DS1302_2009_5_20_
#define _REAL_TIMER_DS1302_2003_5_20_
sbit DS1302_CLK = P2^6 //实时时钟时钟线引脚
sbit DS1302_IO = P2^7 //实时时钟数据线引脚
sbit DS1302_RST = P2^5 //实时时钟复位线引脚
sbit ACC0 = ACC^0
sbit ACC7 = ACC^7
typedef struct SYSTEM_TIME
{
unsigned char Second
unsigned char Minute
unsigned char Hour
unsigned char Week
unsigned char Day
unsigned char Month
unsigned char Year
unsigned char DateString[9] //用这两个字符串来放置读取的时间
unsigned char TimeString[9]
}SYSTEMTIME//定义的时间类型
#define AM(X) X
#define PM(X) (X+12) // 转成24小时制
#define DS1302_SECOND 0x80
#define DS1302_MINUTE 0x82
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
#define DS1302_RAM(X) (0xC0+(X)*2)//用于计算 DS1302_RAM 地址的宏
/******内部指令**********/
void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
{
unsigned char i
ACC = d
for(i=8i>0i--)
{
DS1302_IO = ACC0
DS1302_CLK = 1
DS1302_CLK = 0
ACC = ACC >>1//因为在前面已经定义了ACC0 = ACC^0以便再次利用DS1302_IO = ACC0
}
}
unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
{
unsigned char i
for(i=8i>0i--)
{
ACC = ACC >>1
ACC7 = DS1302_IO
DS1302_CLK = 1
DS1302_CLK = 0
}
return(ACC)
}
/********************************/
void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
{
DS1302_RST = 0
DS1302_CLK = 0
DS1302_RST = 1
DS1302InputByte(ucAddr) // 地址，命令
DS1302InputByte(ucDa) // 写1Byte数据
DS1302_CLK = 1
DS1302_RST = 0
}
unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
{
unsigned char ucData
DS1302_RST = 0
DS1302_CLK = 0
DS1302_RST = 1
DS1302InputByte(ucAddr|0x01) // 地址，命令
ucData = DS1302OutputByte()// 读1Byte数据
DS1302_CLK = 1
DS1302_RST = 0
return(ucData)
}
void DS1302_SetProtect(bit flag)//是否写保护
{
if(flag)
Write1302(0x8E,0x10)
else
Write1302(0x8E,0x00)
}
void DS1302_SetTime(unsigned char Address, unsigned char Value)// 设置时间函数
{
DS1302_SetProtect(0)
Write1302(Address, ((Value/10)<<4 | (Value%10))) //将十进制数转换为BCD码
}//在DS1302中的与日历、时钟相关的寄存器存放的数据必须为BCD码形式
void DS1302_GetTime(SYSTEMTIME *Time)
{
unsigned char ReadValue
ReadValue = Read1302(DS1302_SECOND)
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)//将BCD码转换为十进制数
ReadValue = Read1302(DS1302_MINUTE)
Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
ReadValue = Read1302(DS1302_HOUR)
Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
ReadValue = Read1302(DS1302_DAY)
Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
ReadValue = Read1302(DS1302_WEEK)
Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
ReadValue = Read1302(DS1302_MONTH)
Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
ReadValue = Read1302(DS1302_YEAR)
Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F)
}
unsigned char *DataToBCD(SYSTEMTIME *Time)
{
unsigned char D[8]
D[0]=Time->Second/10<<4+Time->Second%10
D[1]=Time->Minute/10<<4+Time->Minute%10
D[2]=Time->Hour/10<<4+Time->Hour%10
D[3]=Time->Day/10<<4+Time->Day%10
D[4]=Time->Month/10<<4+Time->Month%10
D[5]=Time->Week/10<<4+Time->Week%10
D[6]=Time->Year/10<<4+Time->Year%10
return D
}
void DateToStr(SYSTEMTIME *Time)
{
//将十进制数转换为液晶显示的ASCII值
Time->DateString[0] = Time->Year/10 + '0'
Time->DateString[1] = Time->Year%10 + '0'
Time->DateString[2] = '-'
Time->DateString[3] = Time->Month/10 + '0'
Time->DateString[4] = Time->Month%10 + '0'
Time->DateString[5] = '-'
Time->DateString[6] = Time->Day/10 + '0'
Time->DateString[7] = Time->Day%10 + '0'
Time->DateString[8] = '\0'
}
void TimeToStr(SYSTEMTIME *Time)
{
//将十进制数转换为液晶显示的ASCII值
Time->TimeString[0] = Time->Hour/10 + '0'
Time->TimeString[1] = Time->Hour%10 + '0'
Time->TimeString[2] = ':'
Time->TimeString[3] = Time->Minute/10 + '0'
Time->TimeString[4] = Time->Minute%10 + '0'
Time->TimeString[5] = ':'
Time->TimeString[6] = Time->Second/10 + '0'
Time->TimeString[7] = Time->Second%10 + '0'
Time->DateString[8] = '\0'
}
void Initial_DS1302(void)
{
unsigned char Second
Second=Read1302(DS1302_SECOND)
if(Second&0x80) //初始化时间
DS1302_SetTime(DS1302_SECOND,0)
}
void DS1302_TimeStop(bit flag) // 是否将时钟停止
{
unsigned char Data
Data=Read1302(DS1302_SECOND)
DS1302_SetProtect(0)
if(flag)
Write1302(DS1302_SECOND, Data|0x80)
else
Write1302(DS1302_SECOND, Data&0x7F)
}
#endif
LCD12864显示时钟乱码的问题，扒慧可能是你的程春洞答序没有写对，你可以查看你的程序语言有没有出现错误，
具体的还需要对接颤差下LCD12864的产品规格书，
南京罗姆液晶希望对你的问题有所帮助！！！
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