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溫度量測(cè)與電壓量測(cè)實(shí)例程序分析

2474220 2017-09-06 | rar | 0.15 MB | 次下載 | 免費(fèi)

資料介紹

1、溫度量測(cè)實(shí)例演練

/* 溫度量測(cè)實(shí)例演練(ch11-7-4.c) */
#include
/* 聲明驅(qū)動(dòng)信號(hào)陣列 */
char code TAB[10]={?0xc0, 0xf9, 0xa4, 0xb0, 0x99,?// 0￣4
?????0x92, 0x83, 0xf8, 0x80, 0x98 };?// 5￣9
#define? SCANP?P1???//?定義掃瞄信號(hào)連接埠?
#define? SEG7P?P2???//?定義七節(jié)顯示器連接埠?
sbit?INTR=P3^2; ???//?定義IRQ接腳?
unsigned char xdata? adc; ?//?聲明外部記憶體變量?
unsigned char _adc; ??//?聲明變量?
unsigned char disp[4]={0, 0, 0, 0};?//?聲明顯示區(qū)陣列?
unsigned char _adc;???//?聲明變量?
void dataproc(unsigned char);//?聲明資料處理函數(shù)?
void display(void);???//?聲明顯示函數(shù)?
void delay1ms(char);??//?聲明延遲函數(shù)?
main()??????//?主程序?
{?while(1)????//?while開(kāi)始?
?{?display();???//?顯示?
??_adc=adc;????
??/*讀取外部記憶體，目的是讓ADC0804之RD=0、INTR=1*/
??adc=0xff;
??while(INTR==1); ?//?等待中斷
??_adc=adc; ???//?讀取外部記憶體?
??dataproc(_adc);??//?資料處理?
?}??????//?while結(jié)束?
}???????//?主程序結(jié)束?
//====資料處理函數(shù)====
void dataproc(unsigned char data_in)
{?int results;????//?聲明變量??
?results= data_in;???//?讀取ADC0804轉(zhuǎn)換結(jié)果?
?disp[3]=results/1000;??//?取得千位數(shù)?
?disp[2]=(results/100)%10;?//?取得百位數(shù)?
?disp[1]=(results/10)%10;?//?取得十位數(shù)?
?disp[0]=results%10;???//?取得個(gè)位數(shù)?
}????????//?資料處理函數(shù)結(jié)束?
//====顯示函數(shù)====
void display(void)
{?char i, scan;????//?聲明變量?
?char times=20;????//?掃瞄20次?
?while (--times>=0)???//?while循環(huán)開(kāi)始?
?{?scan=1;?????//?初始掃瞄信號(hào)?
??for(i=0;i<4;i++)??//?for敘述開(kāi)始?
??{?SEG7P=0xff;???//?關(guān)閉7節(jié)顯示器?
???SCANP=~scan;??//?輸出掃瞄信號(hào)?
???SEG7P=TAB[disp[i]];?//?轉(zhuǎn)換成驅(qū)動(dòng)信號(hào)，并輸出到P0
???delay1ms(4);??//?延遲4ms
???scan<<=1;???//?下一個(gè)掃瞄信號(hào)?
??}??????//?結(jié)束for敘述?
?}???????//?結(jié)束while敘述?
}????????//?display函數(shù)結(jié)束?
//====延遲函數(shù)====
void delay1ms(char x)
{?int i,j;????//?聲明變量?
?for(i=0;i ??for(j=0;j<120;j++);?//?內(nèi)循環(huán)?
}???????//?延遲函數(shù)結(jié)束?

2、電壓量測(cè)實(shí)例演練之一

/* 電壓量測(cè)實(shí)例演練之三(ch11-7-3.c) */
#include
/* 聲明驅(qū)動(dòng)信號(hào)陣列 */
char code TAB[10]={?0xc0, 0xf9, 0xa4, 0xb0, 0x99,?// 0￣4
?????0x92, 0x83, 0xf8, 0x80, 0x98 };?// 5￣9
#define? SCANP?P1???//?定義掃瞄信號(hào)連接埠?
#define? SEG7P?P2???//?定義七節(jié)顯示器連接埠?
unsigned char xdata?adc;?//?聲明外部資料變量?
unsigned char _adc;???//?聲明變量?
unsigned char disp[4]={0, 0, 0, 0};?//?聲明顯示區(qū)陣列?
void display(void);???//?聲明顯示函數(shù)?
void delay1ms(char);??//?聲明延遲函數(shù)?
main()??????//?主程序?
{?IE=0x81;????//?設(shè)定中斷
?TCON=0x01;????//?設(shè)定觸發(fā)方式?
?_adc=adc;???
?// 讀取ADC0804，其目的是輸出RD=0到ADC0804，讓其INTR=1
?adc=0xff; ???
?// 寫入ADC0804，其目的是輸出WR=0到ADC0804，即SOC
?display();???//?顯示資料?
?while(1); ???//?等待?
}??????//?主程序結(jié)束?
//====中斷函數(shù)====
void int_adc(void)? interrupt? 0
{?int results;????//?聲明變量?
?results= 196*adc;???//?讀取ADC0804轉(zhuǎn)換結(jié)果乘以196倍?
?disp[3]=results/10000;??//?取得千位數(shù)?
?disp[2]=(results/1000)%10;?//?取得百位數(shù)?
?disp[1]=(results/100)%10;?//?取得十位數(shù)?
?disp[0]=results%10;???//?取得個(gè)位數(shù)?
?display();?????//?顯示資料?
?_adc=adc;
?// 讀取ADC0804，其目的是輸出RD=0到ADC0804，讓其INTR=1
?adc=0xff; ???
?// 寫入ADC0804，其目的是輸出WR=0到ADC0804，即SOC
}??????//?資料處理函數(shù)結(jié)束?
//====顯示函數(shù)====
void display(void)
{?char i,scan;??//?聲明變量?
?char times=20;??//?掃瞄20次?
?while (--times>=0)?//?while循環(huán)開(kāi)始?
?{?scan=1;???//?初始掃瞄信號(hào)?
??for(i=0;i<4;i++)//?for敘述開(kāi)始?
??{?SEG7P=0xff;?//?關(guān)閉7節(jié)顯示器?
???SCANP=~scan;//?輸出掃瞄信號(hào)?
???SEG7P=TAB[disp[i]];?//?轉(zhuǎn)換成驅(qū)動(dòng)信號(hào)，并輸出到P0
???delay1ms(4);//?延遲4ms
???scan<<=1;?//?下一個(gè)掃瞄信號(hào)?
??}????//?結(jié)束for敘述?
?}?????//?結(jié)束while敘述?
}??????//?display函數(shù)結(jié)束?
//====延遲函數(shù)====
void delay1ms(char x)
{?int i,j;????//?聲明變量?
?for(i=0;i ??for(j=0;j<120;j++);?//?內(nèi)循環(huán)?
}???????//?延遲函數(shù)結(jié)束?
?

3、電壓量測(cè)實(shí)例演練之二

/* 電壓量測(cè)實(shí)例演練之二(ch11-7-2.c) */
#include
/*聲明驅(qū)動(dòng)信號(hào)陣列 */
char code TAB[10]={?0xc0, 0xf9, 0xa4, 0xb0, 0x99,?// 0￣4
?????0x92, 0x83, 0xf8, 0x80, 0x98 };?// 5￣9
#define? SCANP?P1???//?定義掃瞄信號(hào)連接埠?
#define? SEG7P??P2??//?定義七節(jié)顯示器連接埠?
sbit?INTR=P3^2;
unsigned char xdata? adc;
unsigned char _adc;
unsigned char disp[4]={0, 0, 0, 0};?//?聲明顯示區(qū)陣列?
unsigned char _adc;???//?聲明變量?
void dataproc(unsigned char);?//?聲明資料處理函數(shù)?
void display(void);???//?聲明顯示函數(shù)?
void delay1ms(char);??//?聲明延遲函數(shù)?
main()??????//?主程序?
{?while(1)????//?while開(kāi)始?
?{?display();???//?顯示?
??_adc=adc;???
??/*讀取外部記憶體，目的是讓ADC0804之RD=0、INTR=1*/
??adc=0xff;
??while(INTR==1);
??_adc=adc;
??dataproc(_adc);??//?資料處理?
?}??????//?while結(jié)束?
}???????//?主程序結(jié)束?
//====資料處理函數(shù)====
void dataproc(unsigned char data_in)
{?int results;???//?聲明變量?
?results= data_in*196;?//?讀取ADC0804轉(zhuǎn)換結(jié)果乘以196倍?
?disp[3]=results/10000;?//?取得千位數(shù)?
?disp[2]=(results/1000)%10;?//?取得百位數(shù)?
?disp[1]=(results/100)%10;?//?取得十位數(shù)?
?disp[0]=results%10;??//?取得個(gè)位數(shù)?
}???????//?資料處理函數(shù)結(jié)束?
//====顯示函數(shù)====
void display(void)
{?char i, scan;???//?聲明變量?
?char times=20;???//?掃瞄20次?
?while (--times>=0)??//?while循環(huán)開(kāi)始?
?{?scan=1;????//?初始掃瞄信號(hào)?
??for(i=0;i<4;i++)?//?for敘述開(kāi)始?
??{?SEG7P=0xff;??//?關(guān)閉7節(jié)顯示器?
???SCANP=~scan;?//?輸出掃瞄信號(hào)?
???SEG7P=TAB[disp[i]];?//?轉(zhuǎn)換成驅(qū)動(dòng)信號(hào)，并輸出到P0
???delay1ms(4);?//?延遲4ms
???scan<<=1;??//?下一個(gè)掃瞄信號(hào)?
??}?????//?結(jié)束for敘述?
?}??????//?結(jié)束while敘述?
}???????//?display函數(shù)結(jié)束?
//====延遲函數(shù)====
void delay1ms(char x)
{?int i,j;????//?聲明變量?
?for(i=0;i ??for(j=0;j<120;j++);?//?內(nèi)循環(huán)?
}???????//?延遲函數(shù)結(jié)束?
?
?
?

4、電壓量測(cè)實(shí)例演練之三

/* 電壓量測(cè)實(shí)例演練之一(ch11-7-1.c) */
#include
/*聲明驅(qū)動(dòng)信號(hào)陣列*/
char code TAB[10]={?0xc0, 0xf9, 0xa4, 0xb0, 0x99,?// 0￣4
?????0x92, 0x83, 0xf8, 0x80, 0x98 };?// 5￣9
#define? ADC?P0?//?定義ADC連接埠?
#define? SCANP?P1?//?定義掃瞄信號(hào)連接埠?
#define? SEG7P?P2?//?定義七節(jié)顯示器連接埠?
//=========================================
unsigned char disp[4]={0, 0, 0, 0};?//?聲明顯示區(qū)陣列?
unsigned char _adc;?//?聲明變量??
void dataproc(unsigned char);?//?聲明資料處理函數(shù)??
void display(void);?//?聲明顯示函數(shù)?
void delay1ms(char);//?聲明延遲函數(shù)?
main()????//?主程序?
{?while(1)??//?while開(kāi)始?
?{?display();?//?顯示?
??_adc=ADC;?//?讀取外部記憶體?
??dataproc(_adc);?//?資料處理?
?}????//?while結(jié)束?
}?????//?主程序結(jié)束?
//====資料處理函數(shù)====
void dataproc(unsigned char data_in)
{?int results;????//?聲明變量?
?results= data_in*196;??//?讀取ADC0804轉(zhuǎn)換結(jié)果乘以196倍?
?disp[3]=results/10000;??//?取得千位數(shù)?
?disp[2]=(results/1000)%10;?//?取得百位數(shù)?
?disp[1]=(results/100)%10;?//?取得十位數(shù)?
?disp[0]=results%10;???//?取得個(gè)位數(shù)?
}????????//?資料處理函數(shù)結(jié)束?
//====顯示函數(shù)====
void display(void)
{?char i,scan;???//?聲明變量?
?char times=20;???//?掃瞄20次?
?while (--times>=0)??//?while循環(huán)開(kāi)始?
?{?scan=1;????//?初始掃瞄信號(hào)?
??for(i=0;i<4;i++)?//?for敘述開(kāi)始?
??{?SEG7P=0xff;??//?關(guān)閉7節(jié)顯示器?
???SCANP=~scan;?//?輸出掃瞄信號(hào)?
???SEG7P=TAB[disp[i]];?//?轉(zhuǎn)換成驅(qū)動(dòng)信號(hào)，并輸出到P0
???delay1ms(4);?//?延遲4ms
???scan<<=1;??//?下一個(gè)掃瞄信號(hào)?
??}?????//?結(jié)束for敘述?
?}??????//?結(jié)束while敘述?
}???????//?display函數(shù)結(jié)束?
//====延遲函數(shù)====
void delay1ms(char x)
{?int i,j;????//?聲明變量?
?for(i=0;i ??for(j=0;j<120;j++);?//?內(nèi)循環(huán)?
}???????//?延遲函數(shù)結(jié)束?
?