A. 12864LCD 液晶显示的流程图
带中文字库的128X64是一种具有4位/8 位并行、2线或3线串行多种接口方式,内部含有国标一级、二级简体中文字库的点阵图形液晶显示模块。
其显示分辨率为128×64,内置8192个16*16点汉字,和128个16*8点ASCII字符集,利用该模块灵活的接口方式和简单、方便的操作指令,可构成全中文人机交互图形界面。可以显示8×4行16×16点阵的汉字,也可完成图形显示,低电压低功耗是其又一显著特点。
由该模块构成的液晶显示方案与同类型的图形点阵液晶显示模块相比,不论硬件电路结构或显示程序都要简洁得多,且该模块的价格也略低于相同点阵的图形液晶模块。
(1)12864电路程序扩展阅读:
用带中文字库的128X64显示模块时应注意以下几点:
1.欲在某一个位置显示中文字符时,应先设定显示字符位置,即先设定显示地址,再写入中文字符编码。
2.显示ASCII字符过程与显示中文字符过程相同。不过在显示连续字符时,只须设定一次显示地址,由模块自动对地址加1指向下一个字符位置,否则,显示的字符中将会有一个空ASCII字符位置。
3.当字符编码为2字节时,应先写入高位字节,再写入低位字节。
4.模块在接收指令前,向处理器必须先确认模块内部处于非忙状态,即读取BF标志时BF需为“0”,方可接受新的指令。
如果在送出一个指令前不检查BF标志,则在前一个指令和这个指令中间必须延迟一段较长的时间,即等待前一个指令确定执行完成。指令执行的时间请参考指令表中的指令执行时间说明。
5.“RE”为基本指令集与扩充指令集的选择控制位。当变更“RE”后,以后的指令集将维持在最后的状态,除非再次变更“RE”位,否则使用相同指令集时,无需每次均重设“RE”位。
B. 跪求 51单片机+12864液晶+1302时钟制成的万年历c程序
顶层文件 万年历.C
#include<reg51.h>
#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******************************/
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=P1; if(temp!=0xfe)m=0;
P1=0xfd;temp=P1 ;if(temp!=0xfd)m=1;
P1=0xfb;temp=P1 ;if(temp!=0xfb)m=2;
P1=0xf7;temp=P1 ;if(temp!=0xf7)m=3;
P1=0xef;temp=P1 ;if(temp!=0xef)n=0;
P1=0xdf;temp=P1 ;if(temp!=0xdf)n=1;
P1=0xbf;temp=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')*10;else {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--;
}
}
/**************************修改时间操作********************************/
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=0;i<9;i++)
{
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=z;x>0;x--)
for(y=110;y>0;y--);
}
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=0;i<n;i++)
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=8; i>0; i--)
{
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=8; i>0; i--)
{
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
C. 谁有用51单片机控制12864显示数字时钟的程序!急求!不用ds1302;简单一点就好。有好的答案加分!
里面有128564显示汉字的程序,自己研究下,不过是用msp430控制的,你改改端口i就可以了。
#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操作
#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 // 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=0;i<MS;i++)
for(j=0;j<1141;j++);
}
void Delayus(uint US)
{
uint i;
US=US*5/4;
for( i=0;i<US;i++);
}
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) //指令操作
LCDb_CLR_RS;
else
LCDb_SET_RS;
LCDb_CLR_RW; //写操作
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=0x0;i<0x2f;i++); // 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; // Molation 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; // Molation 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<16;i++)
{
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=0;i<500;i++)
{
//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<16;i++)
{
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<200;i++)
{
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();
}
}