简单使用代码

1、12f683简单使用代码嵌入式设计   2009-02-25 15:32   阅读124   评论0   字号： 大大  中中  小小 /12f683#include<pic.h> _CONFIG(0x3004);#define  AD_A_ID       0#define  ZERO_ID       1#define 

2、HZ_ID         2#define  TEMP_ID       3#define  IO_O_K   GPIO4#define  IO_O_LED  GPIO5void START_IO();     /I/O口设置函数void START_RAM();     /申

3、明RAM口设置函数void START_TMR();     /申明定时器设置函数void AD(unsigned char i);   /AD转换void JM();       /解码unsigned char EEPROM_read(unsigned char Address);/读取指定地址上的数据void EEPROM_write(unsigned char Address,unsigned char Data);/写指定地址上的数据&

4、#160;/bank0bit KEY_10MS_IF;                     /10MS的键盘的扫描的溢出标记bit KEY_500MS_IF;                    /500

5、MS的键盘的扫描的溢出标记bit KEY_XS_IF;                       /XS的键盘的扫描的溢出标记bit d1ms_IF;                   

6、      /bit d10ms_IF;                        /bit d100ms_IF;                 

7、;      /bit d500ms_IF;                      /bit d1s_IF;                    

8、;      /bit d100ms_SW_IF;                    /检测电机的时间到了bit K_NO_OFF_IF;bit SS_LED_IF;      /LED的闪烁开关 bit SS_LED2_100ms_IF;    /因为是

9、闪烁标记所以是要取反的bit SS_LED1_500ms_IF;    /MOVLW B'00000100' XORWF RAM_SS_IF,F bit SS_LED2_500ms_IF;    /MOVLW B'00001000' XORWF RAM_SS_IF,F bit SS_LED1_1s_IF;     /MOVLW B'00010000'

10、 XORWF RAM_SS_IF,F  bit SS_LED2_Speed_IF;    /LED的闪烁的速度是否开启 bit T2_CCP1_IF;      /bit T2_CCP1_IE;      / unsigned char d1ms;     /1msunsigned char d10ms;  

11、  /10msunsigned char d100ms;    /100msunsigned char d500ms;    /500msunsigned char d1s;     /1sunsigned char d_LED1;    /数码管闪烁unsigned char d_LED2;    /LED闪烁unsigned char d_key;unsigned

12、 char d_Heat;    /加热时间unsigned char d_SW_S;    /电机转了的时间(超过15秒:说明电机运行异常)unsigned char d_SW;     /产生PWM波形unsigned char d_SW_Turn;   /电机堵转时间unsigned char d_Heat_PID;   /PID是比例,积分,微分的缩写. unsigned char key

13、_temp_xs;   /xS后的端口的异或保存unsigned char key_temp_10ms;  /10MS后的端口的保存,用来判断端口是否被改变unsigned char key_temp;    /键盘的临时存放unsigned char LED_I;    /LED两数码管的位unsigned char LED_D3;    /两数码管的数据unsigned char LED_temp;unsigned cha

14、r DATA_I;unsigned char DATA_D8; unsigned char AD_D;  unsigned char CCP1_I;unsigned char CCP1_t;unsigned char CCP1_tH;unsigned char CCP1_tL;unsigned char CSR;     /保存了几个低电平脉冲;从而判断有没有碰到障碍物unsigned char FM_S;     /蜂鸣器警报次数 unsigned ch

15、ar EEPROM_A;unsigned char EEPROM_D;unsigned char PIC_IP;unsigned char temp;     /临时变量unsigned char j;     /临时变量unsigned int t;const unsigned char TAB_LED=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0X82,0XF8,0X80,0X90,0X88,0X83,0XC6,0XA1,0X86,0X8E,0x40,0x79,0x24,0

16、x30,0x19,0x12,0x02,0x78,0x00,0x10,0x08,0x03,0x46,0x21,0x06,0x0e;  /定义常数0-F的数据表格const unsigned char TAB_TEMP=69,71,73,75,78,80,82,84,86,89,91,93,95,98,100,102,104,107,109,111,114,116,118,121,123,125,127,130,132,134,136,138; /温度表           &#

17、160;                  /40摄氏度-70摄氏度/-/主程序void main() /看门狗是一个自己拥有独立的RC时钟信号的,计时周期约为18ms的,自由运行的计时器. /OPTION=0X0F;           /1:128->2304ms /OPTION=0X0E

18、;       /1:64->1152ms /OPTION=0X0D;       /1:32->576ms /OPTION=0X0C;       /1:16->228ms OPTION=0X0B;       /1:8->144ms /OPTION=0

19、X0A;       /1:4->72ms /OPTION=0X09;       /1:2->36ms /OPTION=0X08;       /1:1->18ms/3s延时    asm("CLRWDT");       

20、60;             /wdt清0(喂狗)    START_IO();                        /调用I/O口设置函数  START_RAM();   &#

21、160;                        /调用RAM清0 START_TMR();       /调用定时器设置函数    asm("CLRWDT");      

22、               /wdt清0(喂狗) PIC_IP=1;    while(1)     /1ms  if(!d1ms_IF)continue;             /返回到while();   d1m

23、s_IF=0; /10ms  if(!d10ms_IF)continue;             /返回到while();   d10ms_IF=0;   asm("CLRWDT");                /

24、wdt清0(喂狗) /100ms  if(!d100ms_IF)continue;           /返回到while();   d100ms_IF=0;   if(SS_LED_IF)     /温度过高时闪烁    IO_O_LED=!IO_O_LED; /1s  if(!d1s_

25、IF)continue;               /返回到while();   d1s_IF=0;   AD(0);   /散热片前后温度差8度   /if(AD_D>215|AD_D<10)/（>85度,<-25度）+8   /if(AD_D>160|AD_D<10)

26、/（>53度,<-25度）+8   if(AD_D>193|AD_D<10)/（>70度,<-25度）+8       K_NO_OFF_IF=0;    SS_LED_IF=1;      IO_O_K=K_NO_OFF_IF;           /-/解码v

27、oid JM() unsigned char i;  for(i=0;i<4;i+) /数据校对   temp=DATA_Di+4;  if(DATA_Di!=temp)return;  if(PIC_IP!=DATA_D0)return;/目标IP temp=DATA_D1; switch(temp)    case 'S':  PIC_IP=DATA_D2;  break

28、;   case 'O':  IO_O_LED=0;  K_NO_OFF_IF=1;  break;   case 'C':  IO_O_LED=1;  K_NO_OFF_IF=0;  break;   default:   break;   /-/AD转换void AD(unsigned char i)/系统时钟Fosc/32/*&#

29、160;switch(i)   case 0:             temp=0B10000001;/ADCS1,ADCS0,CHS2,CHS1,    CHS0,GO,-,ADON     break;     case 1:          

30、0; temp=0B10001001;/ADCS1,ADCS0,CHS2,CHS1,    CHS0,GO,-,ADON     break;     case 2:            temp=0B10010001;/ADCS1,ADCS0,CHS2,CHS1,    CHS0,GO,-,ADON    

31、; break;     case 3:            temp=0B10011001;/ADCS1,ADCS0,CHS2,CHS1,    CHS0,GO,-,ADON     break;     case 4:         

32、0;  temp=0B10100001;/ADCS1,ADCS0,CHS2,CHS1,    CHS0,GO,-,ADON     break;     default:            return;             

33、60; /返回   */ /12F683   switch(i)   case 0:             temp=0B00000001;/ADFM VCFG CHS1 CHS0 GO/DONE ADON     break;     case 1:       &

34、#160;    temp=0B00000101;/ADFM VCFG CHS1 CHS0 GO/DONE ADON     break;     case 2:            temp=0B00001001;/ADFM VCFG CHS1 CHS0 GO/DONE ADON     break;   

35、;  case 3:            temp=0B00001101;/ADFM VCFG CHS1 CHS0 GO/DONE ADON     break;     case 4:            temp=0B00010001;/ADFM VCFG CHS1 CHS0 GO

36、/DONE ADON     break;     default:            return;               /返回  t=0; for(j=0;j<8;j+)    

37、          /AD转换取8次            ADCON0=temp;  for(i=0;i<40;i+);        /为AD转换采样满足足够的时间(50摄氏度,19.72us)  /ADGO=0X1;      

38、         /开启AD转换过程(注意:开启转换不能与启用转换同时打开)  /while(ADGO);            /等待转换完成  ADCON0=ADCON0|0x2;        /开启AD转换过程(注意:开启转换不能与启用转换同时打开)  while(ADC

39、ON0&2);          /等待转换完成  t+=ADRESH;         AD_D=t>>3;   /-/中断处理void interrupt INT1(void) /    if(CCP1IF)   CCP1IF=0;  /CCP1_tH=TMR1H; 

40、; /CCP1_tL=TMR1L;  CCP1_tH=CCPR1H;  CCP1_tL=CCPR1L;  TMR1H=0;  TMR1L=0;  /GPIO5=!GPIO5;  if(T2_CCP1_IF)     if(CCP1_tH>0x13)/>2.5ms错误数据       T2_CCP1_IF=0;  &#

41、160; T2_CCP1_IE=0;      if(CCP1_tH<0x03)/<0.5ms错误数据       T2_CCP1_IF=0;    T2_CCP1_IE=0;      CCP1_I+;   LED_temp=LED_temp<<1;   if(CCP1_t

42、H>0x0B)/1.5ms-2.5ms数据1    LED_temp+;   /要保存每一个脉冲，以免数据不正常（如：数据只能正确接收第一个）   if(CCP1_I>7)       CCP1_I=0;    DATA_DDATA_I=LED_temp;    LED_temp=0;    DA

43、TA_I+;    if(DATA_I>7)         T2_CCP1_IF=0;     T2_CCP1_IE=0;     JM();           else     if(T2_CCP1

44、_IE)       if(CCP1_tH>0x1B&&CCP1_tH<0x32)/3.5ms-6.5ms开始标记         T2_CCP1_IF=1;     CCP1_I=0;     LED_temp=0;     DATA_I=0; &#

45、160;      else     T2_CCP1_IE=0;         else    T2_CCP1_IE=1;    if(TMR2IE&&TMR2IF)         PIR1=0;  

46、        /清标记     TMR2IF=0;      /1ms处理区        d1ms+;        d_Heat+;             

47、60;         /加热时间  d1ms_IF=1;        if(d1ms<10)return;              /返回      /10ms处理区      

48、  d1ms=0;        d10ms+;        d10ms_IF=1;        if(d10ms<10)return;             /返回       /100ms处理区

49、        d10ms=0;        d100ms+;        d100ms_IF=1;                    /  SS_LED2_100ms_I

50、F=!SS_LED2_100ms_IF;        if(d100ms<5)return;            /返回  /500ms   d100ms=0;  d500ms+;        d500ms_IF=1;     

51、               /  SS_LED1_500ms_IF=!SS_LED1_500ms_IF;  SS_LED2_500ms_IF=!SS_LED2_500ms_IF;  if(d500ms<2)return;            /返回  

52、0;   /1s处理区                                 d500ms=0;         d1s+;     

53、60;  d_key+;        d1s_IF=1;        if(d1s<60)return;             /返回       /1min处理区         d1s=0;&#

54、160;/-/初始化/-/I/O口设置函数void START_IO() TRISIO=0X05; GPIO=0x00;  ANSEL=0B01110001; /OSFIE=1;/开启振荡器故障中断 IRCF0=1;/从默认的4MHZ到8MHZ /-/申明RAM口设置函数void START_RAM()   #asm  CLRF    _STATUS     /体0  MOVLW 0X20

55、0; MOVWF _FSRSTART_RAM_NEXT  CLRF 0  INCF _FSR,F  MOVLW 0X7F  XORWF _FSR,W  BTFSS _STATUS,2  GOTO START_RAM_NEXT   #endasm  /-/申明定时器设置函数void START_TMR()/    SPBRG=0XC;

56、60;                   /4MHZ设置波特率为19200BPS/    SPBRG=71;                     /11.0592MHZ设置波特率为96

57、00BPS  /    SPBRG=35;                     /11.0592MHZ设置波特率为19200BPS /    SPBRG=11;              

58、;       /11.0592MHZ设置波特率为57600BPS              /    SPBRG=5;                      /11

59、.0592MHZ设置波特率为115200BPS/    TXSTA=0X24;                   /使能串口发送，选择高速波特率/    RCSTA=0X90;               &

60、#160;   /使能串口工作，连续接收/    RCIE=0X1;                     /使能接收中断 CCP1IE=1;      /开启CCP1中断 CCP1CON=0B00000100;    /-,-

61、,CCP1X,CCP1Y,CCP1M3,CCP1M2,CCP1M1,CCP1M0    TMR1ON=1;      /启用TMR1(关闭TMR1,使TMR2退出活动状态)/* TMR2=0;       /T=(fosc/4)xN1x(PR2+1)xN2 PR2=124;      /设置TMR2的定时时间(专用的定时器) T2CON=0B010

62、01001;    /-,TOUTPS3,TOUTPS2,TOUTPS1,TOUTPS0,TMR2ON,T2CKPS1,T2CKPS0*/8MHZ-1000us TMR2=0;       /T=(fosc/4)xN1x(PR2+1)xN2 PR2=124;      /设置TMR2的定时时间(专用的定时器) T2CON=0B011110000;    /-

63、,TOUTPS3,TOUTPS2,TOUTPS1,TOUTPS0,TMR2ON,T2CKPS1,T2CKPS0         /bit 7 未实现：读为0         /bit 6-3 TOUTPS<3:0>：Timer2 输出后分频比选择位          /0000 = 1:1 后分频比

64、0;         /0001 = 1:2 后分频比          /0010 = 1:3 后分频比          /0011 = 1:4 后分频比          /0100 = 1:5 后分频比

65、          /0101 = 1:6 后分频比          /0110 = 1:7 后分频比          /0111 = 1:8 后分频比          /1000 = 1:9

66、后分频比          /1001 = 1:10 后分频比          /1010 = 1:11 后分频比          /1011 = 1:12 后分频比          /1100

67、 = 1:13 后分频比          /1101 = 1:14 后分频比          /1110 = 1:15 后分频比          /1111 = 1:16 后分频比         /bi

68、t 2 TMR2ON：Timer2 使能位          /1 = 使能Timer2          /0 = 禁止Timer2         /bit 1-0 T2CKPS<1:0>：Timer2 时钟预分频比选择位      

69、    /00 = 预分频值为1          /01 = 预分频值为4          /1x = 预分频值为16 TMR2ON=1;      /启用TMR2(关闭TMR2,降低功耗) TMR2IE=1;     

70、60;/开启TMR2中断    GIE=0X1;                        /开放全局中断    PEIE=0X1;                       /使能外部中断/*/-                               /读取EEPROM指定地址上