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/********************************************* Chip type : ATmega16 Program type : Application Clock frequency : 11.059200 MHz Memory model : Small Internal SRAM size : 1024 External SRAM size : 0 Data Stack size : 256 *********************************************/ #include <mega16.h> #include <stdio.h> #define ltm #define lt1 #define lt2 #define lt3 #define tp #define kb_cki #define kb_di #define kb_cko #define kb_do PORTA.4 PORTA.5 PORTA.6 PORTA.7 PORTD.2 PIND.3 PIND.4 PORTD.3 PORTD.4 #define led_com PORTD #define io_port PORTC #define foot_port PINB #define km_mode PINA.2 #define sft_pin PINA.3 #define mouse 1 #define keyboard 0 #define txm 1 #define rxm 2 #define one_ch 1 #define two_ch 2 #define led 3 #define sheft 4 #define h_e 5 #define stop 0 #define up 1 #define down 2 #define left 3 #define right 4 #define celick 5 #define nocelick 6 #define celick2 7 #define tdl 25 // 키보드송신시딜레이타임 static char i,j,k,s,imsi,rxd1,rxd2,rxd3,input_data,rx_imsi, r_time,g_time,clk,sec,rx_ok, kb_count,kb_imsi,pty,kb_pty,kb_rx_count,sft_sta,kb_ok,new_disp, kb_data1,kb_data2,kb_data3,kb_data4, kb_data5,kb_data6,kb_data7,kb_data8, tx_imsi,kb_mode=rxm,kb_led,ack_err_time, foot_key,old_foot_key,led_no, tx_sta,tx_time,tx_count,scan_time, - 25 -

key,old_key,out_delay,code_su=1,tx_mode,rx_time,rx_pty, rx_data1,rx_data2, kx=9,ky=3,joy_time,mouse_time,mouse_data=0,mx,my, xc,yc,mck_sta=0, led_data,disp_count=0, sft_key,sft_old_key; static int li,rom_adr,chk_count,x_adc,y_adc,ad_imsi, kb_time,key_code; flash char hex[18]="0123456789abcdef"; //flash char key_code_db[100]; flash unsigned char led_db[22][3]= 0x01,0x00,0x00, //0 0x02,0x00,0x00, //1 0x04,0x00,0x00, //2 0x08,0x00,0x00, //3 0x10,0x00,0x00, //4 0x20,0x00,0x00, //5 0x40,0x00,0x00, //6 0x80,0x00,0x00, //7 0x00,0x01,0x00, //8 0x00,0x02,0x00, //9 0x00,0x04,0x00, //10 0x00,0x08,0x00, //11 0x00,0x10,0x00, //12 0x00,0x20,0x00, //13 0x00,0x40,0x00, //14 0x00,0x80,0x00, //15 0x00,0x00,0x01, //16 0x00,0x00,0x02, //17 0x00,0x00,0x04, //18 0x00,0x00,0x08, //19 0x00,0x00,0x10, //20 0x00,0x00,0x20; //21 // ; void delay(unsigned int dy) unsigned int ddy; ddy=dy; while(ddy>0) ddy--; // 컴퓨터로데이타보내기 void key_host(char _kd) // 키보드클럭핀인터럽트금지 //GICR=0x00; // 인터럽트인에이블래지스터 kb_cko=1; DDRD.3=1; DDRD.4=1; // 킄럭버튼을하이로설정 // 클럭출력설정 // 데이타출력설정 kb_do=0; delay(tdl); kb_cko=0; delay(tdl*2); kb_cko=1; delay(tdl); pty=0; // 패리티비트초기화 tx_imsi=_kd; // 데이타대입 for(i=0;i<8;i++) // 데이타송신 // 데이터송신 if(tx_imsi & 0x01) kb_do=1; pty++; kb_do=0; delay(tdl); kb_cko=0; delay(tdl*2); kb_cko=1; delay(tdl); - 26 -

tx_imsi>>=1; // kb_count++; // 패리티송신 if(pty&0x01) kb_do=0; kb_do=1; delay(tdl); kb_cko=0; delay(tdl*2); kb_cko=1; delay(tdl); // kb_count++; // 스탑비트송신 kb_do=1; delay(tdl); kb_cko=0; delay(tdl*2); kb_cko=1; DDRD.3=0; DDRD.4=0; // 클럭입력설정 // 데이타입력설정 // 키보드클럭핀인터럽트설정 //GICR=0x80; // 인터럽트인에이블래지스터 // 컴퓨터에서데이타받기 void host_key() // 키보드클럭핀인터럽트금지 //GICR=0x00; // 인터럽트인에이블래지스터 DDRD.3=0; DDRD.4=0; // 클럭입력설정 // 데이타입력설정 delay(30); rx_time=20; while(kb_di>0 && rx_time>0) ; rx_time=5; delay(10); // 초기신호가맞으면데이타수신 - 클락은 0상태데이터는 1이면 if(kb_cki==0)// && kb_di>0) rx_time=20; while(kb_cki==0 && rx_time>0); DDRD.3=1; // 클럭출력으로설정- 클럭을주기위하여 kb_cko=1; // 클럭을 1로설정 delay(tdl*2); // 스타트비트가 0 이면데이타수신 if(kb_di==0) rx_imsi=0; pty=0; //kb_cko=0; delay(tdl*2); // 데이타수신 0xed - 허가코드 for(j=0;j<8;j++) kb_cko=0; delay(tdl*2); kb_cko=1; rx_imsi =kb_di<<j; if(kb_di) pty++; delay(tdl*2); // 패리티수신 kb_cko=0; delay(tdl*2); kb_cko=1; - 27 -

rx_pty=kb_di; delay(tdl*2); // 송, 수신전환틀럭 //ack 신호출력 DDRD.4=1; // 데이타출력설정 kb_do=1; delay(tdl*2); kb_cko=0; delay(tdl*2); kb_cko=1; //delay(tdl*2); //ack 신호출력 kb_do=0; delay(tdl*2); kb_cko=0; delay(tdl*2); kb_do=1; kb_cko=1; delay(tdl*2); DDRD.3=0; DDRD.4=0; // 클럭입력설정 // 데이타입력설정 // 키보드클럭핀인터럽트설정 //GICR=0x80; // 인터럽트인에이블래지스터 // External Interrupt 1 service routine // 키보드수신루틴 interrupt [EXT_INT1] void ext_int1_isr(void) ; // Timer 1 overflow interrupt service routine interrupt [TIM1_OVF] void timer1_ovf_isr(void) // Reinitialize Timer 1 value // Reinitialize Timer 1 value TCNT1=64150; //1,000 count //if(tp>0) tp=0; tp=1; clk++; if(clk>30) clk=0; sec++; // 키보드버튼스캔타임초당 200 회 if(scan_time>0) scan_time--; // 컴퓨터에서데이타수신에러타임 if(rx_time>0) rx_time--; // 조이스틱입력타임 if(joy_time>0) joy_time--; // 마우스버튼입력시간 if(mouse_time>0) mouse_time--; #define ADC_VREF_TYPE 0x00 // Read the AD conversion result unsigned int read_adc(unsigned char adc_input) ADMUX=adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; - 28 -

// Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; return ADCW; void mega16_init() // Input/Output Ports initialization // Port A initialization // Func0=In Func1=In Func2=In Func3=In Func4=out Func5=Out Func6=Out Func7=Out // State0=T State1=T State2=T State3=T State4=T State5=0 State6=0 State7=0 PORTA=0x00; DDRA=0xF0; // Port B initialization // Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In // State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T PORTB=0x00; DDRB=0x00; // Port C initialization // Func0=Out Func1=Out Func2=Out Func3=Out Func4=Out Func5=Out Func6=Out Func7=Out // State0=0 State1=0 State2=0 State3=0 State4=0 State5=0 State6=0 State7=0 PORTC=0x00; DDRC=0xFF; // Port D initialization // Func0=Out Func1=Out Func2=Out Func3=In Func4=In Func5=Out Func6=Out Func7=Out // State0=0 State1=0 State2=0 State3=T State4=T State5=0 State6=0 State7=0 PORTD=0x00; DDRD=0xE7; mouse_data=0; io_port=mouse_data; ltm=1; ltm=0; // Timer/Counter 0 initialization // Clock source: System Clock // Clock value: 10.800 khz // Mode: Normal top=ffh // OC0 output: Disconnected TCCR0=0x05; TCNT0=0x00; OCR0=0x00; // Timer/Counter 1 initialization // Clock source: System Clock // Clock value: 1382.400 khz // Mode: Normal top=ffffh // OC1A output: Discon. // OC1B output: Discon. // Noise Canceler: On // Input Capture on Falling Edge TCCR1A=0x00; TCCR1B=0x82; TCNT1H=0x10; TCNT1L=0x10; OCR1AH=0x00; OCR1AL=0x00; OCR1BH=0x00; OCR1BL=0x00; - 29 -

// Timer/Counter 2 initialization // Clock source: System Clock // Clock value: 10.800 khz // Mode: Normal top=ffh // OC2 output: Disconnected ASSR=0x00; TCCR2=0x07; TCNT2=0x00; OCR2=0x00; // External Interrupt(s) initialization // INT0: Off // INT1: On // INT1 Mode: Falling Edge // INT2: Off GICR=0x80; // 인터럽트인에이블래지스터 MCUCR=0x08; // 인터럽트모드설정 MCUCSR=0x00; GIFR=0x80; // 인터럽트플래그래지스터 // Timer(s)/Counter(s) Interrupt(s) initialization TIMSK=0x04; // USART initialization // Communication Parameters: 8 Data, 1 Stop, No Parity // USART Receiver: Off // USART Transmitter: On // USART Mode: Asynchronous // USART Baud rate: 38400 UCSRA=0x00; UCSRB=0x08; UCSRC=0x86; UBRRL=0x11; UBRRH=0x00; // USART Baud rate: 57600 //UCSRA=0x00; //UCSRB=0x08; //UCSRC=0x86; //UBRRL=0x0a; //UBRRH=0x00; // Analog Comparator initialization // Analog Comparator: Off // Analog Comparator Input Capture by Timer/Counter 1: Off // Analog Comparator Output: Off ACSR=0x80; SFIOR=0x00; // ADC initialization // ADC Clock frequency: 172.800 khz // ADC Voltage Reference: AREF pin // ADC High Speed Mode: On // ADC Auto Trigger Source: None ADMUX=ADC_VREF_TYPE; ADCSRA=0x86; SFIOR=0x10; // Declare your global variables here //rs-232 송신루틴 - 30 -

void tx_232(char _txd) while(!(ucsra & 0x20)); UDR=_txd; void foot_key_in() foot_key=foot_port; //port_b foot_key &= 0x1f; // 한영전환키코드출력 void code_he_tx() if(key!=old_key) if(old_key==0 && key>0) key_host(key_code%256); out_delay=0; old_key=key; // 키코드가 1 개일때데이타출력 void code1_tx() if(sft_sta>0) if(key!=old_key) // 버튼을눌렀다띠면 if(old_key>0 && key==0) key_host(0xf0); delay(5000); key_host(key_code%256); delay(5000); key_host(0xf0); delay(5000); key_host(0x12); // 최초의버튼이눌려지면 if(old_key==0 && key>0) key_host(0x12); delay(5000); key_host(key_code%256); out_delay=0; old_key=key; if(key==old_key && key>0) // 키를연속으로누르면 - 일정시간지연후신호출력 if(out_delay<15) out_delay++; key_host(key_code%256); if(key!=old_key) // 버튼을눌렀다띠면 if(old_key>0 && key==0) key_host(0xf0); delay(5000); key_host(key_code%256); // 최초의버튼이눌려지면 if(old_key==0 && key>0) key_host(key_code%256); out_delay=0; old_key=key; if(key==old_key && key>0) - 31 -

// 키를연속으로누르면 - 일정시간지연후신호출력 if(out_delay<15) out_delay++; key_host(key_code%256); // 키코드가 2 개일때데이타출력 void code2_tx() if(key!=old_key) // 버튼을눌렀다띠면 if(old_key>0 && key==0) key_host(key_code/256); delay(5000); key_host(0xf0); delay(5000); key_host(key_code%256); // 최초의버튼이눌려지면 if(old_key==0 && key>0) key_host(key_code/256); delay(5000); key_host(key_code%256); out_delay=0; old_key=key; if(key==old_key && key>0) // 키를연속으로누르면 - 일정시간지연후신호출력 if(out_delay<15) out_delay++; key_host(key_code/256); delay(5000); key_host(key_code%256); // 엘이디송수신루틴 void code_led_tx() if(key!=old_key) // 버튼을눌렀다띠면 if(old_key>0 && key==0) key_host(0xf0); delay(5000); key_host(key_code%256); // 최초의버튼이눌려지면 if(old_key==0 && key>0) key_host(key_code%256); out_delay=0; // 데이타수신 host_key(); delay(300); if(rx_imsi==0xed) rx_data1=rx_imsi; tx_time=5; while(kb_cki==0 && tx_time>0); delay(tdl*2); key_host(0xfa); // 데이타수신 host_key(); led_data=rx_data2=rx_imsi; delay(300); while(kb_cki==0 && tx_time>0); delay(tdl*2); key_host(0xfa); - 32 -

old_key=key; void code_sheft_tx() if(sft_key!=sft_old_key) // 버튼을눌렀다띠면 if(sft_old_key>0 && sft_key==0) key_host(0xf0); delay(5000); key_host(0x12); // 최초의버튼이눌려지면 if(sft_old_key==0 && sft_key>0) key_host(0x12); out_delay=0; sft_old_key=sft_key; if(sft_key==sft_old_key && sft_key>0) // 키를연속으로누르면 - 일정시간지연후신호출력 if(out_delay<15) out_delay++; key_host(0x12); void joy_stic_input() ADMUX=0; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; y_adc=ad_imsi/4; //y값증가시 if(y_adc>(yc+10) && ky<5) // 다음실행시간설정 joy_time=255-y_adc; joy_time*=2; if(ky==1) switch(kx) case 0: ky++; kx=1; break; default: ky++; if(ky==2) switch(kx) case 13: ky++; kx=12; break; case 14: ky+=2; break; case 15: ky+=3; break; case 16: ky+=2; break; case 17: ky+=3; break; case 21: ky+=2; break; - 33 -

default: ky++; if(ky==3) ky++; if(kx==12) kx=11; if(ky==4) ky++; if(kx==21) kx=20; if(kx==18) kx=19; if(kx>3 && kx<9) kx=9; ky++; //y 값감소시 if(y_adc<(yc-10) && ky>0) // 다음실행시간설정 joy_time=y_adc; joy_time*=2; if(ky==1) switch(kx) case 1: ky--; kx=2; break; case 6: ky--; kx=7; break; case 10: ky--; kx=11; break; default: if(kx<18) ky--; if(ky==4) switch(kx) case 14: ky-=2; break; case 16: ky-=2; break; case 21: ky-=2; break; default: ky--; if(ky==5) switch(kx) case 0: ky--; kx=1; break; case 12: ky--; kx=11; break; case 13: ky--; kx=14; break; case 15: ky-=3; break; case 17: ky-=3; break; default: ky--; - 34 -

ky--; // 다음실행시간설정 joy_time=255;//255-yc; ADMUX=1; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; x_adc=ad_imsi/4; //x값증가시처리루틴 if(x_adc>(xc+10) && kx<21) // 다음실행시간설정 joy_time=255-x_adc; joy_time*=2; if(ky==0) switch(kx) case 0: kx+=2; break; case 5: kx+=2; break; // case 17: kx+=2; break; default: if(kx<17) kx++; break; if(ky==3) switch(kx) case 12: kx+=6; break; default: if(kx<20) kx++; break; if(ky==4) switch(kx) case 11: kx+=3; break; case 14: kx+=2; break; case 16: kx+=2; break; default: if(kx<21) kx++; break; if(ky==5) switch(kx) case 3: kx+=6; break; case 17: kx+=2; break; default: if(kx<20) kx++; break; - 35 -

kx++; //x값감소시처리루틴 if(x_adc<(xc-10)&& kx>0) // 다음실행시간설정 joy_time=x_adc; joy_time*=2; if(ky==0) switch(kx) case 2: kx-=2; break; case 7: kx-=2; break; case 19: kx-=2; break; default: kx--; break; if(ky==2) if(kx>1) kx--; if(ky==3) switch(kx) case 18: kx-=6; break; default: if(kx>1) kx--; break; if(ky==4) switch(kx) case 14: kx-=3; break; case 16: kx-=2; break; case 18: kx-=2; break; default: if(kx>1) kx--; break; if(ky==5) switch(kx) case 9: kx-=6; break; case 19: kx-=2; break; default: kx--; break; kx--; // kx--; // 다음실행시간설정 - 36 -

joy_time=255;//255-yc; void led_disp() // 키보드엘이디전체지우기 led_com&=0b00011111; io_port=0x00; lt1=1; lt1=0; lt2=1; lt2=0; lt3=1; lt3=0; if(disp_count==0) //led 표시 io_port=0; lt1=1; lt1=0; io_port=0; lt2=1; lt2=0; io_port=0; if((led_data & 0x04)==0x04) io_port =0x10; //caps_lock if((led_data & 0x02)==0x02) io_port =0x08; //num_lock if((led_data & 0x01)==0x01) io_port =0x20; lt3=1; lt3=0; led_com =0b00100000; disp_count++; if(disp_count==1) io_port=0; if(sft_sta>0) io_port =0x02; io_port&=0b10111111; lt1=1; lt1=0; io_port=0; lt2=1; lt2=0; io_port=0; lt3=1; lt3=0; led_com =0b10100000; disp_count++; if(disp_count==2) // 첫째줄표시 io_port=led_db[kx][0]; lt1=1; lt1=0; io_port=led_db[kx][1]; lt2=1; lt2=0; io_port=led_db[kx][2]; lt3=1; lt3=0; //ky 값에따라 238 코먼드라이브변경출력 switch(ky) case 0: led_com =0b00100000; break; case 1: led_com =0b01000000; break; case 2: led_com =0b01100000; break; case 3: led_com =0b10000000; break; case 4: led_com =0b10100000; break; case 5: led_com =0b11000000; break; disp_count=0; - 37 -

// 키코드출력루틴 void tx_keycode() if(ky==0) switch(kx) case 0: tx_mode=one_ch; key_code=0x76; break; //code1_tx(); break; //esc case 2: tx_mode=one_ch; key_code=0x05; break; //code1_tx(); break; //f1 case 3: tx_mode=one_ch; key_code=0x06; break; //code1_tx(); break; //f2 case 4: tx_mode=one_ch; key_code=0x04; break; //code1_tx(); break; //f3 case 5: tx_mode=one_ch; key_code=0x0c; break; //code1_tx(); break; //f4 case 7: tx_mode=one_ch; key_code=0x03; break; //code1_tx(); break; //f5 case 8: tx_mode=one_ch; key_code=0x0b; break; //code1_tx(); break; //f6 case 9: tx_mode=one_ch; key_code=0x83; break; //code1_tx(); break; //f7 case 10: tx_mode=one_ch; key_code=0x0a; break; //code1_tx(); break; //f8 case 11: tx_mode=one_ch; key_code=0x01; break; //code1_tx(); break; //f9 case 12: tx_mode=one_ch; key_code=0x09; break; //code1_tx(); break; //f10 case 13: tx_mode=one_ch; key_code=0x78; break; //code1_tx(); break; //f11 case 14: tx_mode=one_ch; key_code=0x07; break; //code1_tx(); break; //f12 // case 15: key_code=0x76; break; //prt case 16: tx_mode=led; key_code=0x7e; break; //code1_tx(); break; //s lock // case 17: key_code=0x76; break; //break if(ky==1) switch(kx) case 0: tx_mode=one_ch; key_code=0x0e; break; //code1_tx(); break; //~ case 1: tx_mode=one_ch; key_code=0x16; break; //code1_tx(); break; //1 case 2: tx_mode=one_ch; key_code=0x1e; break; //code1_tx(); break; //2 case 3: tx_mode=one_ch; key_code=0x26; break; //code1_tx(); break; //3 case 4: tx_mode=one_ch; key_code=0x25; break; //code1_tx(); break; //4 case 5: tx_mode=one_ch; key_code=0x2e; break; //code1_tx(); break; //5 case 6: tx_mode=one_ch; key_code=0x36; break; //code1_tx(); break; //6 case 7: tx_mode=one_ch; key_code=0x3d; break; //code1_tx(); break; //7 case 8: tx_mode=one_ch; key_code=0x3e; break; //code1_tx(); break; //8 case 9: tx_mode=one_ch; key_code=0x46; break; //code1_tx(); break; //9 case 10: tx_mode=one_ch; key_code=0x45; break; //code1_tx(); break; //0 case 11: tx_mode=one_ch; key_code=0x4e; break; //code1_tx(); break; //- case 12: tx_mode=one_ch; key_code=0x55; break; //code1_tx(); break; //= case 13: tx_mode=one_ch; key_code=0x5d; break; //code1_tx(); break; //\ case 14: tx_mode=one_ch; key_code=0x66; break; //code1_tx(); break; //back space up case 15: tx_mode=two_ch; key_code=0xe070; break; //code2_tx(); break; //ins case 16: tx_mode=two_ch; key_code=0xe06c; break; //code2_tx(); break; //home case 17: tx_mode=two_ch; key_code=0xe07d; break; //code2_tx(); break; //page case 18: tx_mode=led; key_code=0x77; break; //code_led_tx(); break; //num case 19: tx_mode=two_ch; key_code=0x4a; break; //code2_tx(); break; /// case 20: tx_mode=one_ch; key_code=0x7c; break; //code1_tx(); break; //* case 21: tx_mode=one_ch; key_code=0x7b; break; //code1_tx(); break; //- - 38 -

if(ky==2) switch(kx) case 1: tx_mode=one_ch; key_code=0x0d; break; //code1_tx(); break; //tab case 2: tx_mode=one_ch; key_code=0x15; break; //code1_tx(); break; //q case 3: tx_mode=one_ch; key_code=0x1d; break; //code1_tx(); break; //w case 4: tx_mode=one_ch; key_code=0x24; break; //code1_tx(); break; //e case 5: tx_mode=one_ch; key_code=0x2d; break; //code1_tx(); break; //r case 6: tx_mode=one_ch; key_code=0x2c; break; //code1_tx(); break; //t case 7: tx_mode=one_ch; key_code=0x35; break; //code1_tx(); break; //y case 8: tx_mode=one_ch; key_code=0x3c; break; //code1_tx(); break; //u case 9: tx_mode=one_ch; key_code=0x43; break; //code1_tx(); break; //i case 10: tx_mode=one_ch; key_code=0x44; break; //code1_tx(); break; //o case 11: tx_mode=one_ch; key_code=0x4d; break; //code1_tx(); break; //p case 12: tx_mode=one_ch; key_code=0x54; break; //code1_tx(); break; //[ case 13: tx_mode=one_ch; key_code=0x5b; break; //code1_tx(); break; //] case 14: tx_mode=one_ch; key_code=0x5a; break; //code1_tx(); break; //enter down case 15: tx_mode=two_ch; key_code=0xe071; break; //code2_tx(); break; //del case 16: tx_mode=two_ch; key_code=0xe069; break; //code2_tx(); break; //end case 17: tx_mode=two_ch; key_code=0xe07a; break; //code2_tx(); break; //pg case 18: tx_mode=one_ch; key_code=0x6c; break; //code1_tx(); break; //7 case 19: tx_mode=one_ch; key_code=0x75; break; //code1_tx(); break; //8 case 20: tx_mode=one_ch; key_code=0x7d; break; //code1_tx(); break; //9 case 21: tx_mode=one_ch; key_code=0x79; break; //code1_tx(); break; //+ if(ky==3) switch(kx) case 1: tx_mode=led; key_code=0x58; break; //code_led_tx(); break; //caps case 2: tx_mode=one_ch; key_code=0x1c; break; //code1_tx(); break; //a case 3: tx_mode=one_ch; key_code=0x1b; break; //code1_tx(); break; //s case 4: tx_mode=one_ch; key_code=0x23; break; //code1_tx(); break; //d case 5: tx_mode=one_ch; key_code=0x2b; break; //code1_tx(); break; //f case 6: tx_mode=one_ch; key_code=0x34; break; //code1_tx(); break; //g case 7: tx_mode=one_ch; key_code=0x33; break; //code1_tx(); break; //h case 8: tx_mode=one_ch; key_code=0x3b; break; //code1_tx(); break; //j case 9: tx_mode=one_ch; key_code=0x42; break; //code1_tx(); break; //k case 10: tx_mode=one_ch; key_code=0x4b; break; //code1_tx(); break; //l case 11: tx_mode=one_ch; key_code=0x4c; break; //code1_tx(); break; //; case 12: tx_mode=one_ch; key_code=0x52; break; //code1_tx(); break; //' case 18: tx_mode=one_ch; key_code=0x6b; break; //code1_tx(); break; //4 case 19: tx_mode=one_ch; key_code=0x73; break; //code1_tx(); break; //5 case 20: tx_mode=one_ch; key_code=0x74; break; //code1_tx(); break; //6 if(ky==4) switch(kx) case 1: tx_mode=one_ch; key_code=0x12; break; //code1_tx(); break; //shift case 2: tx_mode=one_ch; key_code=0x1a; break; //code1_tx(); break; //z case 3: tx_mode=one_ch; key_code=0x22; break; //code1_tx(); break; //x case 4: tx_mode=one_ch; key_code=0x21; break; //code1_tx(); break; //c - 39 -

case 5: tx_mode=one_ch; key_code=0x2a; break; //code1_tx(); break; //v case 6: tx_mode=one_ch; key_code=0x32; break; //code1_tx(); break; //b case 7: tx_mode=one_ch; key_code=0x31; break; //code1_tx(); break; //n case 8: tx_mode=one_ch; key_code=0x3a; break; //code1_tx(); break; //m case 9: tx_mode=one_ch; key_code=0x41; break; //code1_tx(); break; //, case 10: tx_mode=one_ch; key_code=0x49; break; //code1_tx(); break; //. case 11: tx_mode=one_ch; key_code=0x4a; break; //code1_tx(); break; /// case 14: tx_mode=one_ch; key_code=0x59; break; //code1_tx(); break; //shift case 16: tx_mode=two_ch; key_code=0xe075; break; //code2_tx(); break; // case 18: tx_mode=one_ch; key_code=0x69; break; //code1_tx(); break; // case 19: tx_mode=one_ch; key_code=0x72; break; //code1_tx(); break; // case 20: tx_mode=one_ch; key_code=0x7a; break; //code1_tx(); break; // case 21: tx_mode=two_ch; key_code=0xe05a; break; //code2_tx(); break; // if(ky==5) switch(kx) case 0: tx_mode=one_ch; key_code=0x14; break; //code1_tx(); break; //ctrl case 1: tx_mode=two_ch; key_code=0xe01f; break; //code1_tx(); break; //window // case 2: key_code=0x11; code1_tx(); break; //alt // case 3: key_code=0x76; code1_tx(); break; //hanja case 9: tx_mode=one_ch; key_code=0x29; break; //code1_tx(); break; //space case 10: tx_mode=h_e; key_code=0xf2; break; //code1_tx(); break; //h/e case 11: tx_mode=two_ch; key_code=0x11; break; //code2_tx(); break; //alt case 12: tx_mode=two_ch; key_code=0xe027; break; //code1_tx(); break; //window // case 12: key_code=0x76; code1_tx(); break; //window // case 13: key_code=0x76; code1_tx(); break; //write case 14: tx_mode=two_ch; key_code=0x14; break; //code2_tx(); break; //ctrl case 15: tx_mode=two_ch; key_code=0xe06b; break; //code2_tx(); break; // case 16: tx_mode=two_ch; key_code=0xe072; break; //code2_tx(); break; // case 17: tx_mode=two_ch; key_code=0xe074; break; //code2_tx(); break; // case 19: tx_mode=one_ch; key_code=0x70; break; //code1_tx(); break; // case 20: tx_mode=one_ch; key_code=0x71; break; //code1_tx(); break; // void mouse_tx(char f) if(f==up) ltm=1; mouse_data&=0b11111100; mouse_data =0x02; io_port=mouse_data; delay(100); mouse_data =0x01; io_port=mouse_data; delay(100); mouse_data&=0b11111101; io_port=mouse_data; delay(100); mouse_data&=0b11111110; io_port=mouse_data; delay(100); ltm=0; if(f==down) - 40 -

ltm=1; mouse_data&=0b11111100; mouse_data =0x01; io_port=mouse_data; delay(100); mouse_data =0x02; io_port=mouse_data; delay(100); mouse_data&=0b11111110; io_port=mouse_data; delay(100); mouse_data&=0b11111101; io_port=mouse_data; delay(100); ltm=0; if(f==left) ltm=1; mouse_data&=0b11110011; mouse_data =0x04; io_port=mouse_data; delay(100); mouse_data =0x08; io_port=mouse_data; delay(100); mouse_data&=0b11111011; io_port=mouse_data; delay(100); mouse_data&=0b11110111; io_port=mouse_data; delay(100); ltm=0; if(f==right) ltm=1; mouse_data&=0b11110011; mouse_data =0x08; io_port=mouse_data; delay(100); mouse_data =0x04; io_port=mouse_data; delay(100); mouse_data&=0b11110111; io_port=mouse_data; delay(100); mouse_data&=0b11111011; io_port=mouse_data; delay(100); ltm=0; if(f==celick) ltm=1; // mouse_data&=0b10111111; mouse_data =0x40; io_port=mouse_data; ltm=0; if(f==nocelick) ltm=1; // mouse_data&=0b10111111; mouse_data&=0b10111111; io_port=mouse_data; ltm=0; if(f==celick2) ltm=1; mouse_data&=0b10111111; mouse_data =0x40; io_port=mouse_data; delay(20000); mouse_data&=0b10111111; io_port=mouse_data; delay(50000); mouse_data =0x40; io_port=mouse_data; delay(20000); mouse_data&=0b10111111; io_port=mouse_data; delay(20000); ltm=0; void mouse_input() - 41 -

ADMUX=0; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; my=ad_imsi/4; //y 값증가시 if(my>(yc+10)) mouse_tx(up); mouse_time=255-my; if(my<(yc-10)) mouse_tx(down); mouse_time=my; mouse_tx(stop); ADMUX=1; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; mx=ad_imsi/4; //x 값증가시 if(mx>(xc+10)) mouse_tx(left); mouse_time=255-mx; if(mx<(xc-10)) mouse_tx(right); mouse_time=mx; mouse_tx(stop); // 초기시작시조이스틱볼륨값읽어오기 void joystic_init() ADMUX=0; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; yc=ad_imsi/4; ADMUX=1; //adc_input ADC_VREF_TYPE; // Start the AD conversion ADCSRA =0x40; // Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0); ADCSRA =0x10; ad_imsi=adcw; xc=ad_imsi/4; void main(void) mega16_init(); // Global enable interrupts #asm("sei") delay(60000); - 42 -

joystic_init(); while (1) if(km_mode==keyboard) // 조이스틱입력 if(joy_time==0) joy_stic_input(); if(km_mode==mouse) // 마우스입력 if(mouse_time==0) mouse_input(); // 쉬프트발버튼상태읽어오기 sft_sta=sft_pin; // code_sheft_tx(); led_disp(); // 외부 ( 발 ) 버튼입력 if(scan_time==0) foot_key_in(); scan_time=100; if(foot_key>0) //key_host(0x77); delay(6000); //key_host(0xf0); delay(5000); //key_host(0x77); delay(5000); // tx_sta=2; tx_count=3; d1=0x77; d2=0xf0; d3=0x77; tx_time=0; // 마우스 1클릭버튼 if((foot_key & 0x08)==0x08 && mck_sta==0) mouse_tx(celick); mck_sta=1; // 발입력버튼이눌려지면키코드대입 switch(foot_key) case 0x01: key=1; tx_keycode(); break; case 0x02: joystic_init(); break; case 0x04: mouse_tx(celick2); break; key=0; // 마우스노 1클릭 if((foot_key & 0x08)==0 && mck_sta>0) mouse_tx(nocelick); mck_sta=0; // 각상태별키코드송신 if(tx_mode==one_ch) //1키코드송신 code1_tx(); if(tx_mode==two_ch) //2키코드송신 - 43 -

code2_tx(); if(tx_mode==led) // 엘이디코드송수신 code_led_tx(); if(tx_mode==sheft) // 쉬프트키가눌린경우의송신 code_sheft_tx(); if(tx_mode==h_e) // 한영전환키 code_he_tx(); tx_232(0x10); tx_232((x_adc/100)+0x30); tx_232(((x_adc%100)/10)+0x30); tx_232((x_adc%10)+0x30); tx_232(' '); tx_232((y_adc/100)+0x30); tx_232(((y_adc%100)/10)+0x30); tx_232((y_adc%10)+0x30); tx_232(' '); tx_232(0x11); tx_232((kx/10)+0x30); tx_232((kx%10)+0x30); tx_232(' '); tx_232((ky/10)+0x30); tx_232((ky%10)+0x30); tx_232(' '); tx_232((foot_key/10)+0x30); tx_232((foot_key%10)+0x30); tx_232(' '); tx_232(hex[led_data/16]); tx_232(hex[led_data%16]); tx_232(' '); ; - 44 -