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已完成长短按。。。 #include "BS87D20A-3.h" #define com1 _pc1 #define com2 _pc0 #define com3 _pc2 #define com4 _pc3 #define key1 _pd2 #define key2 _pd3 #define key3 _pa1 #define key4 _pa4 volatile bit Flag_T1ms; volatile bit Flag_T5ms; volatile bit flag_keylong; volatile bit flag_keyshort; const unsigned char tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; unsigned char strtab[3];//缓冲区 unsigned char key_number=0; unsigned char sec=0,min=0,hour=0; unsigned char temp; unsigned long s; //秒级 unsigned long ms5; unsigned char keyvalue; void read_key() { static char key_state=0x00,press_20ms; unsigned char keybak; keybak=0; if(!key1)keybak|=0x01; if(!key2)keybak|=0x02; if(!key3)keybak|=0x04; if(!key4)keybak|=0x08; switch (key_state) { case 0x00: // 按键初始态 if (keybak!=0) { press_20ms=0; key_state=0x01; // 键被按下，状态转换到键确认态 } break; case 0x01: // 按键确认态 if (keybak!=0) { if(++press_20ms>3) { key_state=0x02; press_20ms=0; keyvalue=keybak; } } else { key_state=0x00; } break; case 0x02: if (keybak==0) { flag_keyshort=1; } else if(++press_20ms>100) { flag_keylong=1; } case 0x04: if(keybak==0) { if(++press_20ms>3) { key_state=0x00; } } else { press_20ms=0; } break; default: break; } } void key_do() { if(flag_keyshort) { switch(keyvalue) { case 0x01: break; case 0x02: break; case 0x04: break; case 0x08: break; default: break; } flag_keyshort=0; } } void displaypro() { strtab[0]=tab[sec%10]; strtab[1]=tab[sec/10]; strtab[2]=tab[min%10]; strtab[3]=tab[min/10]; } void display_drive() { com1=1;com2=1;com3=1;com4=1; switch(temp) { case 0:com4=0; _pb=strtab[temp]; break; case 1:com3=0; _pb=strtab[temp]; break; case 2:com2=0; _pb=strtab[temp]; break; case 3:com1=0; _pb=strtab[temp]; break; default:break; } temp++; if(temp==4) temp=0; } void init() { _ctm0c0=0x20; // fh/16 2us _ctm0c1=0xc1; // 定时/计数器模式 比较器a ctm0 _ctm0al=0xf4; // 1ms _ctm0ah=0x01; _ctm1c0=0x20; // fh/16 2us _ctm1c1=0xc1; // 定时/计数器模式 比较器a ctm1 _ctm1al=0xf4; // 1ms _ctm1ah=0x01; _pbc=0; //输出 _pcc0=0; _pcc1=0; _pcc2=0; _pcc3=0; _pac1=1; _pac4=1; _pdc2=1; _pdc3=1; _pdpu3=1; _pdpu2=1; _papu1=1; _papu4=1; s=1000; ms5=5; temp=0; _mfe=1; //开多功能中断 _ctm1ae=1; _ctm0ae=1; //CTM a中断使能 _emi=1; //开总中断 _ct0on=1; //开定时器0 _ct1on=1; } void main() { init(); while(1) { if(Flag_T5ms) { Flag_T5ms=0; read_key(); displaypro(); } GCC_CLRWDT(); } } void __attribute__((interrupt(0x20))) ISR_CTM1(void) { _ctm1af=0; ms5--; if(!ms5) { ms5=5; Flag_T5ms=1; } display_drive(); s--; if(! s) { s=1000;//1s电子钟计数 sec++; if(sec==60) { sec=0; min++; if(min==60) { min=0; hour++; if(hour==24) { hour=0; } } } } } void __attribute__((interrupt(0x14))) ISR_CTMO(void) { _ctm0af=0; } |
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调整后 #include "BS87D20A-3.h" #define com1 _pc1 #define com2 _pc0 #define com3 _pc2 #define com4 _pc3 #define key1 _pd2 #define key2 _pd3 #define key3 _pa1 #define key4 _pa4 //#define key_state_0 0 //按键的初始状态 //#define key_state_1 1 //按键按下的状态 //#define key_state_2 2 //按键释放的状态 volatile bit Flag_T1ms; volatile bit Flag_T10ms; volatile bit flag_cont; volatile bit flag_trg; static int key_10ms=0; const unsigned char tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; unsigned char strtab[3];//缓冲区 unsigned char key_number=0; unsigned char sec=0,min=0,hour=0; unsigned char temp; unsigned long s; //秒级 unsigned long ms10;//毫秒 unsigned long ms5; unsigned char n; enum key_states_e{ key_s1, key_s2, key_s3, key_s4 }; void read_key() { static enum key_states_e key_state=key_s1; // static char key_state; static int press_10ms=0; static int press=100; unsigned char key_press; //按键是否被按下 //key_state=0; //按键的状态 key_press=key1; // 读按键I/O电 switch (key_state) { case key_s1: // 按键初始态 if (!key_press) { flag_cont=0; flag_trg=0; press_10ms=0; key_state=key_s2; // 键被按下，状态转换到键确认态 } else key_state=key_s1; break; case key_s2: // 按键确认态 if (!key_press) { key_state=key_s3; } else { key_state=key_s1; // 按键已抬起，转换到按键初始态 } break; case key_s3: if (!key_press) { key_state=key_s3;//按键确认按下状态 press_10ms++; if(press_10ms>100) { flag_trg=0; flag_cont=1; if(flag_cont) { com3=0; press--; if(!press) { press=100; _pb=tab[n++]; if(n>9) n=0; } } } if(press_10ms>10) { flag_cont=0; flag_trg=1; /* if(flag_trg) { com2=~com2; _pb=tab[2]; }*/ } } else { key_state=key_s1; } case key_s4: if(key_press) { if(n>9) {n=0;} _pb=tab[n]; // com3=1; flag_trg=0; flag_cont=0; press_10ms=0; key_state=key_s1; } break; default: key_state=key_s1; press_10ms=0;flag_cont=0; break; } } void displaypro() { strtab[0]=tab[sec%10]; strtab[1]=tab[sec/10]; strtab[2]=tab[min%10]; strtab[3]=tab[min/10]; } void display_drive() { com1=1;com2=1;com3=1;com4=1; switch(temp) { case 0:com4=0; _pb=strtab[temp]; break; case 1:com3=0; _pb=strtab[temp]; break; case 2:com2=0; _pb=strtab[temp]; break; case 3:com1=0; _pb=strtab[temp]; break; default:break; } temp++; if(temp==4) temp=0; } void init() { _ctm0c0=0x20; // fh/16 2us _ctm0c1=0xc1; // 定时/计数器模式 比较器a _ctm0al=0xf4; // 1ms _ctm0ah=0x01; _pbc=0; //输出 _pcc0=0; _pcc1=0; _pcc2=0; _pcc3=0; _pac1=1; _pac4=1; _pdc2=1; _pdc3=1; _pdpu3=1; _pdpu2=1; _papu1=1; _papu4=1; s=1000; ms10=10; ms5=5; temp=0; n=0; _mfe=1; //开多功能中断 _ctm0ae=1; //CTM a中断使能 _emi=1; //开总中断 _ct0on=1; //开定时器 com1=1;com2=1;com3=1; com4=1; } void main() { init(); while(1) { if(Flag_T1ms) { Flag_T1ms=0; key_10ms++; if(key_10ms==10) { key_10ms=0; read_key(); } } GCC_CLRWDT(); } } void __attribute__((interrupt(0x14))) ISR_CTMO(void) { _ctm0af=0; s--; Flag_T1ms=1; if(! s) { s=1000;//1s电子钟计数 sec++; if(sec==60) { sec=0; min++; if(min==60) { min=0; hour++; if(hour==24) { hour=0; } } } } } |
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本帖最后由 zzffw 于 2018-7-5 12:56 编辑 静静等待 |
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