第10节：一个用来学习C语言的模板程序 -
[导读]从业十年，教你单片机入门 第10讲：目前，几乎所有的初学者在学习和上机练习C语言的时候，都是在电脑上安装VC这个调试软件，在源代码里只要调用打印语句printf就可以观察到不同的变量结果，挺方便的。但是现在我要提
从业十年，教你单片机入门 第10讲：
目前，几乎所有的初学者在学习和上机练习C语言的时候，都是在电脑上安装VC这个调试软件，在源代码里只要调用打印语句printf就可以观察到不同的变量结果，挺方便的。但是现在我要提出另外一种方法，学习单片机的C语言，不一定非要用VC调试软件，也可以直接在坚鸿51学习板上学习和上机练习的。我可以做一个调试模板程序给初学者使用，利用8位数码管和16个LED灯来显示不同的变量结果，利用3个按键来切换显示不同的变量，这样就能达到类似在VC平台下用printf语句来观察变量的效果。甚至我个人认为这样比用VC调试的效果还更加直观。现在重点介绍这个模板程序的使用。
在模板程序里，初学者只需要在主程序的初始化区域填入自己练习的C语言代码，最后把需要观察的变量赋值给窗口变量就可以了，其它部分的代码属于模板的监控调试代码，大家暂时不用读懂它，直接复制过来就可以了。上述所谓的“赋值”，就是“=”这个语句，它表面上像我们平时用的等于号，实际上不是等于号，而是代表“给”的意思，把“=”符号右边的数复制一份给左边的变量，比如“a=36;”就是代表把36这个数值复制一份给变量a，执行这条指令后，a就等于36了。这里的分号“;”代表一条程序指令的结束。窗口变量有几个?有哪些?一共有10个，分别是GuiWdData0，GuiWdData1，GuiWdData2，GuiWdData3，GuiWdData4，GuiWdData5，GuiWdData6，GuiWdData7，GuiWdData8，GuiWdData9。这10个窗口变量是给大家调试专用的，8位数码管可以切换显示10个窗口变量，最左边2位数码管代表窗口变量号，剩下6位数码管显示十进制的窗口变量数值，另外16个LED实时显示此数据的二进制格式。最左边2位数码管从“0-”到“9-”代表从第0个窗口变量到第9个窗口变量,也就是GuiWdData0依次到GuiWdData9。用S1和S5按键可以切换显示不同的窗口变量，按住S9不放可以观察到当前窗口变量的十六进制格式数据，松开S9按键后，又自动返回显示当前窗口变量的十进制数据。
该模板程序是基于坚鸿51学习板，现在跟大家分享这个程序，要让这10个窗口变量分别显示10,11,12,13,14,15,16,17,18,19这10个数,用S1按键可以切换显示从小往大的窗口变量号，用S5按键可以切换显示从大往小的窗口变量号。再强调一次，大家只需要关注主程序main函数的初始化区域就可以了，其它的代码请直接复制过来，不用理解。比如：
void main() //主程序
{
//...初始化区域
while(1)
{
}
}
详细的源代码如下：
#include "REG52.H"
#define const_voice_short 40
#define const_key_time1 20
#define const_key_time2 20
#define const_key_time3 20
void initial(void);
void delay_short(unsigned int uiDelayShort);
void dig_hc595_drive(unsigned char ucDigStatusTemp16_09,unsigned char ucDigStatusTemp08_01);
void display_drive(void);
void display_service(void);
void hc595_drive(unsigned char ucLedStatusTemp16_09,unsigned char ucLedStatusTemp08_01);
void T0_time(void);
void key_service(void);
void key_scan(void);
sbit beep_dr=P2^7;
sbit key_sr1=P0^0;
sbit key_sr2=P0^1;
sbit key_sr3=P0^2;
sbit key_gnd_dr=P0^4;
sbit led_dr=P3^5;
sbit dig_hc595_sh_dr=P2^0;
sbit dig_hc595_st_dr=P2^1;
sbit dig_hc595_ds_dr=P2^2;
sbit hc595_sh_dr=P2^3;
sbit hc595_st_dr=P2^4;
sbit hc595_ds_dr=P2^5;
unsigned char GucKeySec=0;
unsigned char GucKey3Sr=1;
unsigned int GuiVoiceCnt=0;
unsigned char GucVoiceStart=0;
unsigned char GucDigShow8;
unsigned char GucDigShow7;
unsigned char GucDigShow6;
unsigned char GucDigShow5;
unsigned char GucDigShow4;
unsigned char GucDigShow3;
unsigned char GucDigShow2;
unsigned char GucDigShow1;
unsigned char GucDisplayUpdate=1;
unsigned char GucWd=0;
unsigned int GuiWdData0=0;
unsigned int GuiWdData1=0;
unsigned int GuiWdData2=0;
unsigned int GuiWdData3=0;
unsigned int GuiWdData4=0;
unsigned int GuiWdData5=0;
unsigned int GuiWdData6=0;
unsigned int GuiWdData7=0;
unsigned int GuiWdData8=0;
unsigned int GuiWdData9=0;
code unsigned char dig_table[]=
{
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x40,
};
void main() //主程序
{
/*---C语言学习区域的开始---------------------------------------------------------------------------*/
GuiWdData0=10; //把10这个数值放到窗口变量0里面显示
GuiWdData1=11; //把11这个数值放到窗口变量1里面显示
GuiWdData2=12; //把12这个数值放到窗口变量2里面显示
GuiWdData3=13; //把13这个数值放到窗口变量3里面显示
GuiWdData4=14; //把14这个数值放到窗口变量4里面显示
GuiWdData5=15; //把15这个数值放到窗口变量5里面显示
GuiWdData6=16; //把16这个数值放到窗口变量6里面显示
GuiWdData7=17; //把17这个数值放到窗口变量7里面显示
GuiWdData8=18; //把18这个数值放到窗口变量8里面显示
GuiWdData9=19; //把19这个数值放到窗口变量9里面显示
/*---C语言学习区域的结束---------------------------------------------------------------------------*/
while(1)
{
initial();
key_service();
display_service();
}
}
void display_service(void)
{
static unsigned char SucLedStatus16_09=0;
static unsigned char SucLedStatus08_01=0;
static unsigned int SinWdDataTemp=0;
if(1==GucDisplayUpdate)
{
GucDisplayUpdate=0;
switch(GucWd)
{
case 0:
GucDigShow8=0;
SinWdDataTemp=GuiWdData0;
break;
case 1:
GucDigShow8=1;
SinWdDataTemp=GuiWdData1;
break;
case 2:
GucDigShow8=2;
SinWdDataTemp=GuiWdData2;
break;
case 3:
GucDigShow8=3;
SinWdDataTemp=GuiWdData3;
break;
case 4:
GucDigShow8=4;
SinWdDataTemp=GuiWdData4;
break;
case 5:
GucDigShow8=5;
SinWdDataTemp=GuiWdData5;
break;
case 6:
GucDigShow8=6;
SinWdDataTemp=GuiWdData6;
break;
case 7:
GucDigShow8=7;
SinWdDataTemp=GuiWdData7;
break;
case 8:
GucDigShow8=8;
SinWdDataTemp=GuiWdData8;
break;
case 9:
GucDigShow8=9;
SinWdDataTemp=GuiWdData9;
break;
}
GucDigShow7=17;
GucDigShow6=16;
if(1==GucKey3Sr)
{
if(SinWdDataTemp>=10000)
{
GucDigShow5=SinWdDataTemp/10000;
}
else
{
GucDigShow5=16;
}
if(SinWdDataTemp>=1000)
{
GucDigShow4=SinWdDataTemp%10000/1000;
}
else
{
GucDigShow4=16;
}
if(SinWdDataTemp>=100)
{
GucDigShow3=SinWdDataTemp%1000/100;
}
else
{
GucDigShow3=16;
}
if(SinWdDataTemp>=10)
{
GucDigShow2=SinWdDataTemp%100/10;
}
else
{
GucDigShow2=16;
}
GucDigShow1=SinWdDataTemp%10;
}
else
{
GucDigShow5=16;
if(SinWdDataTemp>=0x1000)
{
GucDigShow4=SinWdDataTemp/0x1000;
}
else
{
GucDigShow4=16;
}
if(SinWdDataTemp>=0x0100)
{
GucDigShow3=SinWdDataTemp%0x1000/0x0100;
}
else
{
GucDigShow3=16;
}
if(SinWdDataTemp>=0x0010)
{
GucDigShow2=SinWdDataTemp%0x0100/0x0010;
}
else
{
GucDigShow2=16;
}
GucDigShow1=SinWdDataTemp%0x0010;
}
SucLedStatus16_09=SinWdDataTemp>>8;
SucLedStatus08_01=SinWdDataTemp;
hc595_drive(SucLedStatus16_09,SucLedStatus08_01);
}
}
void key_scan(void)
{
static unsigned int SuiKeyTimeCnt1=0;
static unsigned char SucKeyLock1=0;
static unsigned int SuiKeyTimeCnt2=0;
static unsigned char SucKeyLock2=0;
static unsigned int SuiKey3Cnt1=0;
static unsigned int SuiKey3Cnt2=0;
if(1==key_sr1)
{
SucKeyLock1=0;
SuiKeyTimeCnt1=0;
}
else if(0==SucKeyLock1)
{
SuiKeyTimeCnt1++;
if(SuiKeyTimeCnt1>const_key_time1)
{
SuiKeyTimeCnt1=0;
SucKeyLock1=1;
GucKeySec=1;
}
}
if(1==key_sr2)
{
SucKeyLock2=0;
SuiKeyTimeCnt2=0;
}
else if(0==SucKeyLock2)
{
SuiKeyTimeCnt2++;
if(SuiKeyTimeCnt2>const_key_time2)
{
SuiKeyTimeCnt2=0;
SucKeyLock2=1;
GucKeySec=2;
}
}
if(1==key_sr3)
{
SuiKey3Cnt1=0;
SuiKey3Cnt2++;
if(SuiKey3Cnt2>const_key_time3)
{
SuiKey3Cnt2=0;
GucKey3Sr=1;
}
}
else
{
SuiKey3Cnt2=0;
SuiKey3Cnt1++;
if(SuiKey3Cnt1>const_key_time3)
{
SuiKey3Cnt1=0;
GucKey3Sr=0;
}
}
}
void key_service(void)
{
static unsigned char SucKey3SrRecord=1;
if(GucKey3Sr!=SucKey3SrRecord)
{
SucKey3SrRecord=GucKey3Sr;
GucDisplayUpdate=1;
}
switch(GucKeySec)
{
case 1:
GucWd++;
if(GucWd>9)
{
GucWd=9;
}
GucDisplayUpdate=1;
GuiVoiceCnt=const_voice_short;
GucVoiceStart=1;
GucKeySec=0;
break;
case 2:
GucWd--;
if(GucWd>9)
{
GucWd=0;
}
GucDisplayUpdate=1;
GuiVoiceCnt=const_voice_short;
GucVoiceStart=1;
GucKeySec=0;
break;
}
}
void display_drive()
{
static unsigned char SucDigShowTemp=0;
static unsigned char SucDisplayDriveStep=1;
switch(SucDisplayDriveStep)
{
case 1:
SucDigShowTemp=dig_table[GucDigShow1];
dig_hc595_drive(SucDigShowTemp,0xfe);
break;
case 2:
SucDigShowTemp=dig_table[GucDigShow2];
dig_hc595_drive(SucDigShowTemp,0xfd);
break;
case 3:
SucDigShowTemp=dig_table[GucDigShow3];
dig_hc595_drive(SucDigShowTemp,0xfb);
break;
case 4:
SucDigShowTemp=dig_table[GucDigShow4];
dig_hc595_drive(SucDigShowTemp,0xf7);
break;
case 5:
SucDigShowTemp=dig_table[GucDigShow5];
dig_hc595_drive(SucDigShowTemp,0xef);
break;
case 6:
SucDigShowTemp=dig_table[GucDigShow6];
dig_hc595_drive(SucDigShowTemp,0xdf);
break;
case 7:
SucDigShowTemp=dig_table[GucDigShow7];
dig_hc595_drive(SucDigShowTemp,0xbf);
break;
case 8:
SucDigShowTemp=dig_table[GucDigShow8];
dig_hc595_drive(SucDigShowTemp,0x7f);
break;
}
SucDisplayDriveStep++;
if(SucDisplayDriveStep>8)
{
SucDisplayDriveStep=1;
}
}
void dig_hc595_drive(unsigned char ucDigStatusTemp16_09,unsigned char ucDigStatusTemp08_01)
{
unsigned char i;
unsigned char ucTempData;
dig_hc595_sh_dr=0;
dig_hc595_st_dr=0;
ucTempData=ucDigStatusTemp16_09;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)dig_hc595_ds_dr=1;
else dig_hc595_ds_dr=0;
dig_hc595_sh_dr=0;
delay_short(1);
dig_hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
ucTempData=ucDigStatusTemp08_01;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)dig_hc595_ds_dr=1;
else dig_hc595_ds_dr=0;
dig_hc595_sh_dr=0;
delay_short(1);
dig_hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
dig_hc595_st_dr=0;
delay_short(1);
dig_hc595_st_dr=1;
delay_short(1);
dig_hc595_sh_dr=0;
dig_hc595_st_dr=0;
dig_hc595_ds_dr=0;
}
void hc595_drive(unsigned char ucLedStatusTemp16_09,unsigned char ucLedStatusTemp08_01)
{
unsigned char i;
unsigned char ucTempData;
hc595_sh_dr=0;
hc595_st_dr=0;
ucTempData=ucLedStatusTemp16_09;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)hc595_ds_dr=1;
else hc595_ds_dr=0;
hc595_sh_dr=0;
delay_short(1);
hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
ucTempData=ucLedStatusTemp08_01;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)hc595_ds_dr=1;
else hc595_ds_dr=0;
hc595_sh_dr=0;
delay_short(1);
hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
hc595_st_dr=0;
delay_short(1);
hc595_st_dr=1;
delay_short(1);
hc595_sh_dr=0;
hc595_st_dr=0;
hc595_ds_dr=0;
}
void T0_time(void) interrupt 1
{
TF0=0;
TR0=0;
if(1==GucVoiceStart)
{
if(GuiVoiceCnt!=0)
{
GuiVoiceCnt--;
beep_dr=0;
}
else
{
beep_dr=1;
GucVoiceStart=0;
}
}
key_scan();
display_drive();
TH0=0xfe;
TL0=0x0b;
TR0=1;
}
void delay_short(unsigned int uiDelayShort)
{
static unsigned int i;
for(i=0;i
}
void initial(void)
{
static unsigned char SucInitialLock=0;
if(0==SucInitialLock)
{
SucInitialLock=1;
key_gnd_dr=0;
led_dr=0;
beep_dr=1;
TMOD=0x01;
TH0=0xfe;
TL0=0x0b;
EA=1;
ET0=1;
TR0=1;
}
}
下节预告：三种类型变量的定义与赋值语句。目前，几乎所有的初学者在学习和上机练习C语言的时候，都是在电脑上安装VC这个调试软件，在源代码里只要调用打印语句printf就可以观察到不同的变量结果，挺方便的。但是现在我要提出另外一种方法，学习单片机的C语言，不一定非要用VC调试软件，也可以直接在坚鸿51学习板上学习和上机练习的。我可以做一个调试模板程序给初学者使用，利用8位数码管和16个LED灯来显示不同的变量结果，利用3个按键来切换显示不同的变量，这样就能达到类似在VC平台下用printf语句来观察变量的效果。甚至我个人认为这样比用VC调试的效果还更加直观。现在重点介绍这个模板程序的使用。
在模板程序里，初学者只需要在主程序的初始化区域填入自己练习的C语言代码，最后把需要观察的变量赋值给窗口变量就可以了，其它部分的代码属于模板的监控调试代码，大家暂时不用读懂它，直接复制过来就可以了。上述所谓的“赋值”，就是“=”这个语句，它表面上像我们平时用的等于号，实际上不是等于号，而是代表“给”的意思，把“=”符号右边的数复制一份给左边的变量，比如“a=36;”就是代表把36这个数值复制一份给变量a，执行这条指令后，a就等于36了。这里的分号“;”代表一条程序指令的结束。窗口变量有几个?有哪些?一共有10个，分别是GuiWdData0，GuiWdData1，GuiWdData2，GuiWdData3，GuiWdData4，GuiWdData5，GuiWdData6，GuiWdData7，GuiWdData8，GuiWdData9。这10个窗口变量是给大家调试专用的，8位数码管可以切换显示10个窗口变量，最左边2位数码管代表窗口变量号，剩下6位数码管显示十进制的窗口变量数值，另外16个LED实时显示此数据的二进制格式。最左边2位数码管从“0-”到“9-”代表从第0个窗口变量到第9个窗口变量,也就是GuiWdData0依次到GuiWdData9。用S1和S5按键可以切换显示不同的窗口变量，按住S9不放可以观察到当前窗口变量的十六进制格式数据，松开S9按键后，又自动返回显示当前窗口变量的十进制数据。
该模板程序是基于坚鸿51学习板，现在跟大家分享这个程序，要让这10个窗口变量分别显示10,11,12,13,14,15,16,17,18,19这10个数,用S1按键可以切换显示从小往大的窗口变量号，用S5按键可以切换显示从大往小的窗口变量号。再强调一次，大家只需要关注主程序main函数的初始化区域就可以了，其它的代码请直接复制过来，不用理解。比如：
void main() //主程序
{
//...初始化区域
while(1)
{
}
}
详细的源代码如下：
#include "REG52.H"
#define const_voice_short 40
#define const_key_time1 20
#define const_key_time2 20
#define const_key_time3 20
void initial(void);
void delay_short(unsigned int uiDelayShort);
void dig_hc595_drive(unsigned char ucDigStatusTemp16_09,unsigned char ucDigStatusTemp08_01);
void display_drive(void);
void display_service(void);
void hc595_drive(unsigned char ucLedStatusTemp16_09,unsigned char ucLedStatusTemp08_01);
void T0_time(void);
void key_service(void);
void key_scan(void);
sbit beep_dr=P2^7;
sbit key_sr1=P0^0;
sbit key_sr2=P0^1;
sbit key_sr3=P0^2;
sbit key_gnd_dr=P0^4;
sbit led_dr=P3^5;
sbit dig_hc595_sh_dr=P2^0;
sbit dig_hc595_st_dr=P2^1;
sbit dig_hc595_ds_dr=P2^2;
sbit hc595_sh_dr=P2^3;
sbit hc595_st_dr=P2^4;
sbit hc595_ds_dr=P2^5;
unsigned char GucKeySec=0;
unsigned char GucKey3Sr=1;
unsigned int GuiVoiceCnt=0;
unsigned char GucVoiceStart=0;
unsigned char GucDigShow8;
unsigned char GucDigShow7;
unsigned char GucDigShow6;
unsigned char GucDigShow5;
unsigned char GucDigShow4;
unsigned char GucDigShow3;
unsigned char GucDigShow2;
unsigned char GucDigShow1;
unsigned char GucDisplayUpdate=1;
unsigned char GucWd=0;
unsigned int GuiWdData0=0;
unsigned int GuiWdData1=0;
unsigned int GuiWdData2=0;
unsigned int GuiWdData3=0;
unsigned int GuiWdData4=0;
unsigned int GuiWdData5=0;
unsigned int GuiWdData6=0;
unsigned int GuiWdData7=0;
unsigned int GuiWdData8=0;
unsigned int GuiWdData9=0;
code unsigned char dig_table[]=
{
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x40,
};
void main() //主程序
{
/*---C语言学习区域的开始---------------------------------------------------------------------------*/
GuiWdData0=10; //把10这个数值放到窗口变量0里面显示
GuiWdData1=11; //把11这个数值放到窗口变量1里面显示
GuiWdData2=12; //把12这个数值放到窗口变量2里面显示
GuiWdData3=13; //把13这个数值放到窗口变量3里面显示
GuiWdData4=14; //把14这个数值放到窗口变量4里面显示
GuiWdData5=15; //把15这个数值放到窗口变量5里面显示
GuiWdData6=16; //把16这个数值放到窗口变量6里面显示
GuiWdData7=17; //把17这个数值放到窗口变量7里面显示
GuiWdData8=18; //把18这个数值放到窗口变量8里面显示
GuiWdData9=19; //把19这个数值放到窗口变量9里面显示
/*---C语言学习区域的结束---------------------------------------------------------------------------*/
while(1)
{
initial();
key_service();
display_service();
}
}
void display_service(void)
{
static unsigned char SucLedStatus16_09=0;
static unsigned char SucLedStatus08_01=0;
static unsigned int SinWdDataTemp=0;
if(1==GucDisplayUpdate)
{
GucDisplayUpdate=0;
switch(GucWd)
{
case 0:
GucDigShow8=0;
SinWdDataTemp=GuiWdData0;
break;
case 1:
GucDigShow8=1;
SinWdDataTemp=GuiWdData1;
break;
case 2:
GucDigShow8=2;
SinWdDataTemp=GuiWdData2;
break;
case 3:
GucDigShow8=3;
SinWdDataTemp=GuiWdData3;
break;
case 4:
GucDigShow8=4;
SinWdDataTemp=GuiWdData4;
break;
case 5:
GucDigShow8=5;
SinWdDataTemp=GuiWdData5;
break;
case 6:
GucDigShow8=6;
SinWdDataTemp=GuiWdData6;
break;
case 7:
GucDigShow8=7;
SinWdDataTemp=GuiWdData7;
break;
case 8:
GucDigShow8=8;
SinWdDataTemp=GuiWdData8;
break;
case 9:
GucDigShow8=9;
SinWdDataTemp=GuiWdData9;
break;
}
GucDigShow7=17;
GucDigShow6=16;
if(1==GucKey3Sr)
{
if(SinWdDataTemp>=10000)
{
GucDigShow5=SinWdDataTemp/10000;
}
else
{
GucDigShow5=16;
}
if(SinWdDataTemp>=1000)
{
GucDigShow4=SinWdDataTemp%10000/1000;
}
else
{
GucDigShow4=16;
}
if(SinWdDataTemp>=100)
{
GucDigShow3=SinWdDataTemp%1000/100;
}
else
{
GucDigShow3=16;
}
if(SinWdDataTemp>=10)
{
GucDigShow2=SinWdDataTemp%100/10;
}
else
{
GucDigShow2=16;
}
GucDigShow1=SinWdDataTemp%10;
}
else
{
GucDigShow5=16;
if(SinWdDataTemp>=0x1000)
{
GucDigShow4=SinWdDataTemp/0x1000;
}
else
{
GucDigShow4=16;
}
if(SinWdDataTemp>=0x0100)
{
GucDigShow3=SinWdDataTemp%0x1000/0x0100;
}
else
{
GucDigShow3=16;
}
if(SinWdDataTemp>=0x0010)
{
GucDigShow2=SinWdDataTemp%0x0100/0x0010;
}
else
{
GucDigShow2=16;
}
GucDigShow1=SinWdDataTemp%0x0010;
}
SucLedStatus16_09=SinWdDataTemp>>8;
SucLedStatus08_01=SinWdDataTemp;
hc595_drive(SucLedStatus16_09,SucLedStatus08_01);
}
}
void key_scan(void)
{
static unsigned int SuiKeyTimeCnt1=0;
static unsigned char SucKeyLock1=0;
static unsigned int SuiKeyTimeCnt2=0;
static unsigned char SucKeyLock2=0;
static unsigned int SuiKey3Cnt1=0;
static unsigned int SuiKey3Cnt2=0;
if(1==key_sr1)
{
SucKeyLock1=0;
SuiKeyTimeCnt1=0;
}
else if(0==SucKeyLock1)
{
SuiKeyTimeCnt1++;
if(SuiKeyTimeCnt1>const_key_time1)
{
SuiKeyTimeCnt1=0;
SucKeyLock1=1;
GucKeySec=1;
}
}
if(1==key_sr2)
{
SucKeyLock2=0;
SuiKeyTimeCnt2=0;
}
else if(0==SucKeyLock2)
{
SuiKeyTimeCnt2++;
if(SuiKeyTimeCnt2>const_key_time2)
{
SuiKeyTimeCnt2=0;
SucKeyLock2=1;
GucKeySec=2;
}
}
if(1==key_sr3)
{
SuiKey3Cnt1=0;
SuiKey3Cnt2++;
if(SuiKey3Cnt2>const_key_time3)
{
SuiKey3Cnt2=0;
GucKey3Sr=1;
}
}
else
{
SuiKey3Cnt2=0;
SuiKey3Cnt1++;
if(SuiKey3Cnt1>const_key_time3)
{
SuiKey3Cnt1=0;
GucKey3Sr=0;
}
}
}
void key_service(void)
{
static unsigned char SucKey3SrRecord=1;
if(GucKey3Sr!=SucKey3SrRecord)
{
SucKey3SrRecord=GucKey3Sr;
GucDisplayUpdate=1;
}
switch(GucKeySec)
{
case 1:
GucWd++;
if(GucWd>9)
{
GucWd=9;
}
GucDisplayUpdate=1;
GuiVoiceCnt=const_voice_short;
GucVoiceStart=1;
GucKeySec=0;
break;
case 2:
GucWd--;
if(GucWd>9)
{
GucWd=0;
}
GucDisplayUpdate=1;
GuiVoiceCnt=const_voice_short;
GucVoiceStart=1;
GucKeySec=0;
break;
}
}
void display_drive()
{
static unsigned char SucDigShowTemp=0;
static unsigned char SucDisplayDriveStep=1;
switch(SucDisplayDriveStep)
{
case 1:
SucDigShowTemp=dig_table[GucDigShow1];
dig_hc595_drive(SucDigShowTemp,0xfe);
break;
case 2:
SucDigShowTemp=dig_table[GucDigShow2];
dig_hc595_drive(SucDigShowTemp,0xfd);
break;
case 3:
SucDigShowTemp=dig_table[GucDigShow3];
dig_hc595_drive(SucDigShowTemp,0xfb);
break;
case 4:
SucDigShowTemp=dig_table[GucDigShow4];
dig_hc595_drive(SucDigShowTemp,0xf7);
break;
case 5:
SucDigShowTemp=dig_table[GucDigShow5];
dig_hc595_drive(SucDigShowTemp,0xef);
break;
case 6:
SucDigShowTemp=dig_table[GucDigShow6];
dig_hc595_drive(SucDigShowTemp,0xdf);
break;
case 7:
SucDigShowTemp=dig_table[GucDigShow7];
dig_hc595_drive(SucDigShowTemp,0xbf);
break;
case 8:
SucDigShowTemp=dig_table[GucDigShow8];
dig_hc595_drive(SucDigShowTemp,0x7f);
break;
}
SucDisplayDriveStep++;
if(SucDisplayDriveStep>8)
{
SucDisplayDriveStep=1;
}
}
void dig_hc595_drive(unsigned char ucDigStatusTemp16_09,unsigned char ucDigStatusTemp08_01)
{
unsigned char i;
unsigned char ucTempData;
dig_hc595_sh_dr=0;
dig_hc595_st_dr=0;
ucTempData=ucDigStatusTemp16_09;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)dig_hc595_ds_dr=1;
else dig_hc595_ds_dr=0;
dig_hc595_sh_dr=0;
delay_short(1);
dig_hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
ucTempData=ucDigStatusTemp08_01;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)dig_hc595_ds_dr=1;
else dig_hc595_ds_dr=0;
dig_hc595_sh_dr=0;
delay_short(1);
dig_hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
dig_hc595_st_dr=0;
delay_short(1);
dig_hc595_st_dr=1;
delay_short(1);
dig_hc595_sh_dr=0;
dig_hc595_st_dr=0;
dig_hc595_ds_dr=0;
}
void hc595_drive(unsigned char ucLedStatusTemp16_09,unsigned char ucLedStatusTemp08_01)
{
unsigned char i;
unsigned char ucTempData;
hc595_sh_dr=0;
hc595_st_dr=0;
ucTempData=ucLedStatusTemp16_09;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)hc595_ds_dr=1;
else hc595_ds_dr=0;
hc595_sh_dr=0;
delay_short(1);
hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
ucTempData=ucLedStatusTemp08_01;
for(i=0;i<8;i++)
{
if(ucTempData>=0x80)hc595_ds_dr=1;
else hc595_ds_dr=0;
hc595_sh_dr=0;
delay_short(1);
hc595_sh_dr=1;
delay_short(1);
ucTempData=ucTempData<<1;
}
hc595_st_dr=0;
delay_short(1);
hc595_st_dr=1;
delay_short(1);
hc595_sh_dr=0;
hc595_st_dr=0;
hc595_ds_dr=0;
}
void T0_time(void) interrupt 1
{
TF0=0;
TR0=0;
if(1==GucVoiceStart)
{
if(GuiVoiceCnt!=0)
{
GuiVoiceCnt--;
beep_dr=0;
}
else
{
beep_dr=1;
GucVoiceStart=0;
}
}
key_scan();
display_drive();
TH0=0xfe;
TL0=0x0b;
TR0=1;
}
void delay_short(unsigned int uiDelayShort)
{
static unsigned int i;
for(i=0;i
}
void initial(void)
{
static unsigned char SucInitialLock=0;
if(0==SucInitialLock)
{
SucInitialLock=1;
key_gnd_dr=0;
led_dr=0;
beep_dr=1;
TMOD=0x01;
TH0=0xfe;
TL0=0x0b;
EA=1;
ET0=1;
TR0=1;
}
}
下节预告：三种类型变量的定义与赋值语句。
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