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#include<reg51.h>
unsigned char sig=0;
unsigned int elevator=1500;
unsigned int aileron=1500;
sbit int_0=P3^2;
sbit int_1=P3^3;
sbit CH0=P1^6;
sbit CH1=P1^7;
/********************************************/
void int_sever(unsigned int temp)
{
unsigned char sum;
TMOD=0x01;
temp=65535-temp;
sum=(unsigned char)(temp>>0x08);
TH0=sum;
sum=(unsigned char)(temp&0xff);
TL0=sum;
TR0=1;
while(!TF0){;}
TF0=0;
TR0=0;
TH0=0x00;TL0=0x00;
}
/********************************************/
V_DSP()
{
unsigned int E;
unsigned int A;
unsigned char E_sig;
unsigned char A_sig;
if(elevator>=1500)    {E=elevator-1500;E_sig=1;}
else                  {E=1500-elevator;E_sig=0;}
if(aileron>=1500)     {A=aileron-1500;A_sig=1;}
else                  {A=1500-aileron;A_sig=0;}  

if(E_sig==1)          {elevator=1500+E; aileron=1500+E;}
else                  {elevator=1500-E; aileron=1500-E;}
if(A_sig==1)          {elevator+=A; aileron-=A;}
else                  {elevator-=A; aileron+=A;}
}
/********************************************/
unsigned int impluse_A()
{
unsigned int counter;
unsigned char sum;
sum=TH0;
counter=sum;
counter=(counter<<0x08)|TL0;
TH0=0x00;TL0=0x00;
return(counter);
}
/********************************************/
unsigned int impluse_B()
{
unsigned int name;
unsigned char sum;
sum=TH1;
name=sum;
name=(name<<0x08)|TL1;
TH1=0x00;TL1=0x00;
return(name);
}
/********************************************/
void main()
{
CH0=0;CH1=0;
while(1)
{
   TMOD=0x99;
   TH0=0x00;TL0=0x00;TH1=0x00;TL1=0x00;
    while((int_0==1)||(int_1==1))
    {
     if(int_0==1)
     {TR0=1;while(int_0==1){;}TR0=0;  aileron=impluse_A(); sig++;}
     else if(int_1==1)
     {TR1=1;while(int_1==1){;}TR1=0; elevator=impluse_B(); sig++;}
     else;
    }
   while(sig>=2)
   {
  V_DSP();
    CH0=1;int_sever(aileron);  CH0=0;
    CH1=1;int_sever(elevator); CH1=0;
        sig=0;
   }
}
}

[ Last edited by suncxc on 2005-7-28 at 23:37 ]

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1818 47mm 52mm   600 39mm 60mm
615 39mm 61.5mm
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2220 50mm 61.7mm   2023 49mm 70mm
1924 49.5mm 71mm    735 49mm 72.2mm
1925 49.5mm 71.5mm   2024 50mm 71.9mm
2125 51mm 72.3mm    2025 49mm 73mm
2026 50mm 74mm      1747 52mm 73mm
1748 52mm 74mm     2226 52mm 74.5mm
750 52mm 75mm     2127 53mm 75.3mm
2128 53mm 76mm    2028 50mm 77.2mm
2227 54mm 77.5mm

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    §Ú¥H«eµo¹L´X­Ó¦Ñ¶K¬OÃö©ó¹qª½¹q¤l³]³ÆªºDIY,¨ä¤¤²V±±¬O³Ì«á·d¥X¨Óªº,¦³¨ÇªF¦è¨S¦³©M¤j®a¤À¨É.¤µ¤Ñ¤W¨Ó¦¬¨ìjackyzhªº¯d¨¥,§Æ±æ§Ú¯à°÷§â²V±±ªº¹q¸ô¹Ï©Mµ{¦¡¤½§G¥X¨Ó.³o¨S¦³¤°»ò»Ý­n«O±Kªº°Ó·~¯µ±K,¤S¤£¬O«Ü½ÆÂø,©Ò¥H§Ú¨M©w´N¦p¨ä©ÒÄ@.
    §Ú·Q¥ý½Í½Í§Úªº¹qª½DIY¾úµ{,§Æ±æ¯à°÷¹ï¦U¦ì¦³©ÒÀ°§U©M­Éų.¤µ¦~¦~ªì°Ó³õ¦³¤@´Ú238ªºjaboªÅ¾÷¬[½æ,·í®É§ÚÀY¸£¤@¼ö´N¶R¤U¨Ó¤F.¦^¨Ó«á´N¶}©l°t¸m¹q¤l³]³Æ,Åý§Úªºjabo¯à­¸°_¨Ó.jaboªº¹q¤l³]³Æ¥]¬A¥D¹q¾÷ªº¦³¨ê¹q½Õ¡A§À¹q¾÷ªº¦³¨ê¹q½Õ¡AªûÁ³¡A²V±±¡Aµo®g±µ¦¬¡A²ë¾÷¡A¥H¤Î¤@­Ó5Vªº¹q·½¡Cµo®g±µ¦¬¹q¸ô¦³¦ý¨S¥~´ß¡A©Ò¥H¶R¤F¤@®MFUTABA4³qªº¡F²ë¾÷¤â¤W¬O²{¦¨ªº¡A¦³8¡B9­Ó¡FªûÁ³¥»·Q·d­ÓÀ£¹q´¹Åé¦Û¤v°µªº¡A¥i¬Oºô¤Í°e¤F°¸¤G­ÓªûÁ³¡A³o­Ó¤]§K¤F¡F¤U­±ªº¬O­«ÂI¡G
    5Vªº¹q·½¡G³o­Ó5Vªº¹q·½´N¬O¤j®a©Ò»¡ªºBEC¡]§Ú¤£À´¬°¤°»ò¥s³o­Ó¡A¦n²`¶ø®@^_^¡^¡A¨ä¹ê´N¬O¤@­ÓDCDC§â¹q¦Àªºª½¬y¹qÀ£Âà´«¬°ªûÁ³¡A²V±±¡A±µ¦¬¡A²ë¾÷©Ò»Ýªº5Vª½¬y¹qÀ£¡A¹q½Õ¤Wªº¹B©ñ¡B³æ¤ù¾÷¤]­n¥Î¡C¤@¯ë¹q½Õ¤W±`¥Î7805ªºÃ­À£ºÞ¨Ó¥X³o­Ó5V¡A¦ý³o®e©ö¥X°ÝÃD¡X¡X²ë¾÷¤u§@®É¹q¬y¬O¤ñ¸û¤jªº¡A¤j·§3¡B400mA¡]³æ­Ó¡^¡A¦A¥[¤W¤@¨Ç¨ä¥Lªº³]³Æ¡A¾ã­Ó5Vªº­t¸ü¹q¬y¸g±`¶W¹L1A¡A¥Î7805´N·Pı«Ü¦Y¤O¤F¡C7805¬O½u«¬Ã­À£ºÞ¡A¯ÊÂI¬O¹qÀ£Âà´«®Ä²v¤ñ¸û§C¡Aµo¼ö¶q¤j¡A¿é¥X¹q¬y¤p¡A¦ÓÀuÂI¬O¯¾ªi¤p¡A»ù®æ«K©y¡C§Ú±Ä¥Îªº¤è®×¬OMAX724¶}Ãö¹q·½¡AÀuÂI¬O¿é¥X¹q¬y¤j¡]³Ì¤j5A¡^¡A¹qÀ£Âà´«®Ä²v°ª¡Aµo¼ö¶q¤p¡A¦Ó¯ÊÂI¬O¯¾ªiµy¤j¡]¤£¹L¹ï¹qª½¨S¤°»ò¼vÅT¡^¡A»ù®æµy°ª¡]20¤¸¥ª¥k§a¡^¡C¤j®a¥i¥Hª½±µ±Ä¥Î©x¤èPDF¤åÀɤ¤ªº±ÀÂ˹q¸ô¡A¦b³o­Ó¦ì§}¬d¬Ý¤U¸ühttp://www.maxim-ic.com.cn/pdfserv/en/ds/MAX724-MAX726.pdf
    ¦³¨ê¹q½Õ¡G­ì²z¬O³q¹L±µ¦¬²£¥Íªº¶g´Á¬°20ms¡A1.5ms¡Ó0.5msªº¯ß½Ä¨Ó±±¨îPWMªº¥eªÅ¤ñ¡A±q¦Ó¥ÎMOSFET¨Ó±±¨î³q¹L¹q¾÷ªº¹q¬y¡A¹F¨ì±±¨îÂà³tªº¥Øªº¡C§CºÝªº¦³¨ê¹q½Õ¬Oª½±µ¥Î¹B©ñµ¥¹ï±µ¦¬²£¥Íªº«H¸¹³B²z¨Ó²£¥ÍPWM±±¨îªi§Î¡AµL«D´N¬O¤@¨Çªi§ÎªºÅÜ´«¡C³o¼Ë¦¨¥»«Ü§C¡A¤]«Ü¾A¦XDIY»s§@¡A¦ýÀW²v©T©w¦b50Hz¡A½×¾Âùئ³«Ü¦h³o¤è­±ªº¸ê®Æ§Ú´N¤£­«½Æ¤F¡C¤¤°ªºÝªº¦³¨ê¹q½Õ¤@¯ë¥Îªº¬O³æ¤ù¾÷¡APICªº12C508/9¥Îªº¤ñ¸û¦h¡]¹q¸ô²³æ¡A¦ý¤£¤ñ²Ä¤@ºØªº¦n¡^¡C§Ú¥Îªº¬OTINY13ªº³æ¤ù¾÷¦Û±aPWMµo¥Í¾¹¡A¥i¥H²£¥Í¸û°ªÀW²vªºPWMªi§Î¡A±±¨î³q¹L¹q¾÷ªº¹q¬y´N¤ñ²Ä¤@ºØ­n¥­·Æ¡C¤£­n°Ý§Ú­nµ{¦¡¡A¦Û¤v¾Ç¡I­n¤£µM´N¤£¬ODIY¤F¡C
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/***********************************************
Chip type
           : ATmega8L
Program type
        : Application
Clock frequency
     : 8.000000 MHz
Memory model
        : Small
External SRAM size
  : 0
Data Stack size
     : 256
*****************************************************/
//
²Ä¤@¸ô¿é¤J¬°PD2,²Ä¤G¸ô¿é¤J¬°PD3,¿é¥X¬°PB1
#include <mega8.h>
#include <delay.h>
unsigned int T0_CNT,T2_CNT;
unsigned int T0_LENGTH,T2_LENGTH;
// External Interrupt 0 service routine
interrupt [EXT_INT0] void ext_int0_isr(void)
   // ²Ä¤@¸ô¿é¤Jªº¯ß¼e­p¼Æ±±¨î
{
           
    delay_us(3);
    if(PIND.2==0) //¤U­°ªu   
    {
       TCCR0=0x0; //¤¤¤î­p¼Æ  
       T0_LENGTH=T0_CNT*256+TCNT0;
    }
    else         //¤W¤Éªu
    {   
       TCNT0=0x00;   
       T0_CNT=0;
       TCCR0=0x01; //±Ò°Ê­p¼Æ
    }
}
// External Interrupt 1 service routine
interrupt [EXT_INT1] void ext_int1_isr(void)
   // ²Ä¤G¸ô¿é¤Jªº¯ß¼e­p¼Æ±±¨î
{
    delay_us(3);
    if(PIND.3==0) //¤U­°ªu
    {
       TCCR2=0x0; //¤¤¤î­p¼Æ  
       T2_LENGTH=T2_CNT*256+TCNT2;
    }
    else         //¤W¤Éªu
    {   
       TCNT2=0x00;   
       T2_CNT=0;
       TCCR2=0x01; //±Ò°Ê­p¼Æ
    }
}
// Timer 0 overflow interrupt service routine
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
  //  32us¤¤Â_¤@¦¸  ²Ä¤@¸ô¯ß¼e­p¼Æ
{
       T0_CNT++;
}
// Timer 2 overflow interrupt service routine
interrupt [TIM2_OVF] void timer2_ovf_isr(void)
  //  32us¤¤Â_¤@¦¸  ²Ä¤G¸ô¯ß¼e­p¼Æ
{
       T2_CNT++;
}
void cal_pulse()
                //®Ú¾Ú¿é¤J­pºâ¿é¥X
{
         
long a,b,t;
  a=T0_LENGTH;
  a=a*125;
  a=a-1000000;
  a=(a*6)/10;
  b=T2_LENGTH;
  b=b*125;
  b=b-1500000;
   
  t=a+b+1000000;
  t=t/1000; //Âà´«¬°us
  OCR1A=t;  //³]©w°ª¹q¥­®É¶¡
}
  
void main(void)
{
PORTB=0x00;DDRB=0x02;
PORTC=0x00;DDRC=0x00;
PORTD=0x00;DDRD=0x00;
// Clock value: 8000.000 kHz
TCCR0=0x01;
TCNT0=0x00;
// Clock value: 1000.000 kHz
// Mode: Fast PWM top=ICR1
// OC1A output: Inverted
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x82;
TCCR1B=0x1A;
TCNT1H=0x00;
TCNT1L=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
  
ICR1=20800;
  //³]©w¶g´Á¬°20ms  ÀW²v¤£­ã¡A·L½Õ800
OCR1A=1000;
// Clock value: 8000.000 kHz
ASSR=0x00;
TCCR2=0x01;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: On
// INT0 Mode: Any change
// INT1: On
// INT1 Mode: Any change
GICR|=0xC0;
MCUCR=0x05;
GIFR=0xC0;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x41;
// Analog Comparator: Off
ACSR=0x80;
SFIOR=0x00;
// Global enable interrupts
T0_CNT=0;
T2_CNT=0;
T0_LENGTH=0;
T2_LENGTH=0;
#asm("sei")
while (1)
      {      
        cal_pulse();   //§Y®É®Ú¾Ú¿é¤J½Õ¾ã¿é¥X
      };
}

 

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OP-Amp "a" amplifies the incoming pulses from the receiver. This stage is self biassed and may be connected directly to the output of a ZN414Z, ZN416E or any other output with between 0 to +6vDC standing potential. If the output of the receiver is capacitively coupled, has a standing negative DC potential or is DC grounded then couple the signal in via a 10nF capacitor and connect a high value resistor (470K - 2M2) between the two points marked with an "X". The output of this stage should be a near perfect square-wave. This square-wave is used to clock the channel counter and "top-up" the charge of a capacitor.

OP-Amp "b" compares the charge on the "top-up" capacitor. During the 4mS silent period this capacitor will discharge causing OP-Amp "b" to reset the counter. Note that the 4017 output 0 is a reset output and the channel outputs are 1 to 6 (up to 9). The output signal from each channel terminal is a single pulse which varies from 600uS to 1600uS depending upon the setting of the encoder channel potentiometer.

A normal servo has three wires; Black, Red and White. Black is negative, Red is +6vDC and the white is the pulse input from the receiver. Servo's normally draw 300mA to 500mA which may disturb the recever. If this is the case then feed the +DC supply to the servo via a 10 ohm resistor and feed the receiver +DC supply via a diode and connect a 470uF accross the receiver supply.

Encoder

This is just a simple multivibrator with one timing resistor selected by a CMOS Johnson counter. In this way the start of each pulse is determined by a different potentiometer. Each potentiometer should vary from 0 to 100K. Note that normal joysticks used for computers may be fitted with a linear 100K pot but provide only 60 degrees of the total 300 degrees of movement. This means that you should either fit a 500K pot or change the timing capacitors (10n) in the encoder circuit.

The ON pulse from the multivibrator should be about 300nS to 400nS in length and the OFF pulse should vary from 200nS to 1200nS. With this timing you should be able to drive almost any of the cheaper servo's (eg. Futaba, Horizon etc). The servo should give you a 180 degree movement for the full movement of the encoder pot. The 10K resistor in the encoder circuit prevents a zero-ohm pot stuffing the full supply voltage on the base of the transistor. The 300K resistor determines the length of the silence between each channel pulse-train. This period of silence should be about 4mS or more. The 4017 outputs 0 - 8 can be used to give you 9 independant proportional channels but the tenth is used to provide the silence between each channel pulse-train. I have only shown six channels in the drawings so output 7 must be used to reset the counter back to 0 again.

 

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I believe that the "JDM Programmer" is cheap and very useful PIC Programmer. However, since "JDM Programmer" cannot control VDD, the algorithm "VPP before VDD" is inapplicable. Programming to the latest device from this reason may go wrong when using CONFIG settings as "Internal oscillator" "MCLR OFF". These devices are given power from the "JDM programmer",and execute program code. An error may come out by verification, or it may become impossible erasure and become impossible re-programming . In order to solve this problem, I designed a programmer based on the "JDM programmer." Since this programmer was made of resistors, capacitors, and diodes, I named this the "RCD Programmer." "Hardware settings" of IC-Prog are the same as the "JDM programmer."

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C1 is a charge pump capacitor*. This works voltage doubler. When TxD is negative voltage, C1 is charged through D7 from GND. If TxD carries out turn-on, since it will become positive voltage, the voltage charged in C1 is raised. The created high voltage is regulated by D7 to about 13V. If TxD carries out turn-on, both supply voltage will be created. CTS and RTS also join creation of supply voltage. This VDD is delayed and is applied by C2 and R4. D1-D5 are clump diodes. Since voltage drop is within the limits which can be disregarded, general purpose small rectifier is sufficient as the diode to be used. e.g. 1N4148,1S1588(Toshiba),1S2076A(Renesas or Hitachi),1S133(ROHM) . When not succeeding by the device which needs programming current like 16F84(A), the value of R3 is made small. Probably, it will be good using a trimmer resistor as R3.

After I published the RCD Programmer on my Web site, it has passed in one year. I obtained various questions about the RCD Programmer from many people. And Microchip newly developed Low-Pincount PICs which built in the memory exceeding 1k words. I recommend change capacity of C1 to 470uF now for stable programming.

*About general description of charge pump, please refer to . A important point is not a charge pump but controll of VDD in the RCD Programmer circuit. If this point is excluded, the JDM Programmer is far more excellent than the RCD Programmer. Because the RCD Programmer works by the pulse only once, the capacitor power cannot be continued for a long time.

Consideration for the computers which have poor surge protection (added: 2005-02-06 JST)

When you insert a RCD Programmer into the COM port of your computer during operation("Hot Plug-in" or "Hot Socketing"), inrush current is generated. It seems that it is weak to an overcurrent and a short circuit although "EIA/TIA -562" is power saving and compatible with "EIA/TIA-232-E." So, I added 200-ohm current limitation resistor. This resistor limits peak current and help computers which have poor surge protection circuit inside. However, the RCD programmer will not work well as for such a computer because the voltage of the COM port might be very low.

 

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#include<reg51.h>
#include<stdio.h>
sbit p00=P0^0;
sbit p01=P0^1;
sbit p10=P1^0;
sbit p11=P1^1;
sbit p14=P1^4;
sbit p15=P1^5;
sbit p16=P1^6;
char n,m;
char shudu=0;
char code time0[]={0xff,0xf5,0xff,0xf2,0xff,0xf1};//
¨Ï¥Î­p®É¾¹1¡B­p®É¾¹2²£¥ÍPWM«H¸¹ªi¡A¬ù1.5ms¯ß¼e¡A20ms¶g´Á¡C
char code time1[]={0xfc,0x7f,0xfc,0x88,0xfc,0x8b};//
¥Ñ©ó´¹®¶ÀW²v§C¡A²£¥Íªººë«×¤£°ª
char th1,tl1,th0,tl0;
void delay( char ms)
{int i;
while(ms--)
{for(i=1000;i>0;i--);
}
}
void init(void)        //
±Ò°Ê­p®É¾¹0
{
TMOD=0x11;
TH0=0xff;
TL0=0xed;
th0=time0[0];
tl0=time0[1];
th1=time1[0];
tl1=time1[1];
EA=1;
ET0=1;
ET1=1;
TR0=1;
}
void Timer0() interrupt 1 using 1   //
­p®É¾¹0¥Î©ó²£¥ÍªÕ¨R
{
  TH0=th0;
  TL0=tl0;
  n++;
  if(n==50)
    {p00=0;
  p10=1;
  p14=1;
     n=0;
  TH1=th1;
     TL1=tl1;
     TR0=0;
  TR1=1;
     }
  else
    {p00=1;
     p10=0;
    }
}
void Timer1() interrupt 3 using 3    //
­p®É¾¹1¥Î©ó²£¥ÍªÅ­È
{ TH1=th1;
  TL1=tl1;
  m++;
  if(m==20)
    {p00=1;
  p11=1;
  p14=0;
     m=0;
  TH0=th0;
  TL0=tl0;
  TR0=1;
  TR1=0;
     }
  else
  {p00=0;
   p11=0;
  }
}
main()
{
init();
while(1)
{
if(p15==0)
    {delay(5);
      if(p15==0)
        if(shudu>0)
         {shudu--;
   th0=time0[shudu*2];
   tl0=time0[shudu*2+1];
   th1=time1[shudu*2];
   tl1=time1[shudu*2+1];
   }
      while(p15==0)p10=0;
      p10=1;
      delay(5);
     }
  if(p16==0)
    {delay(5);
      if(p16==0)
        if(shudu<2)
        { shudu++;
    th0=time0[shudu*2];
    tl0=time0[shudu*2+1];
    th1=time1[shudu*2];
    tl1=time1[shudu*2+1];
  }
      while(p16==0)p11=0;
      p11=1;
      delay(5);
     }
   }
}

 

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Nr Name Wert Gehäuse Bemerkungen
1 C1 100n 805
2 C3 100n 805
3 R36 100R 805
4 R38 100R 805
5 R40 100R 805
6 R02 10k 805
7 R04 10k 805
8 R06 10k 805
9 R08 10k 805
10 R11 10k 805
11 R18 10k 805
12 R19 10k 805
13 R24 10k 805
14 R25 10k 805
15 R29 10k 805
16 R31 10k 805
17 C2 10µ SMD-B
18 R05 20k 805
19 R20 20k 805
20 R21 20k 805
21 R22 20k 805
22 R26 20k 805
23 R27 20k 805
24 R30 20k 805
25 R03 2k2 805
26 R07 2k2 805
27 R09 2k2 805
28 R10 2k2 805
29 R12 2k2 805
30 R13 2k2 805
31 R14 2k2 805
32 R15 2k2 805
33 R16 2k2 805
34 R01 47k 805
35 R17 47k 805
36 R23 47k 805
37 R28 47k 805
38 R35 47k 805
39 R37 47k 805
40 R39 47k 805
41 C4 47µ extern 16V, low ESR, extern an die Pads der Stromversorgung zu löten
42 R32 680R 805
43 R33 680R 805
44 R34 680R 805
45 Q1 8MHz QARTZ-SMD Keramikresonator m. integr. Kondensatoren (Farnell)
46 IC2 AT90S2313-SO20 SO20
47 D1 BAS85 SOD80 Wahlweise Si-Diode (LL4841 o.ä.)
48 T1 BC847C SOT-23
49 T2 BC847C SOT-23
50 T3 BC847C SOT-23
51 X4 K1X1 1X01 Nur Lötpads zum Anschluss der Kabel bzw. des Programmier- oder Diagnoseadapters
52 X5 K1X1 1X01
53 X6 K1X1 1X01
54 X7 K1X1 1X01
55 X8 K1X1 1X01
56 X2 K1X3 1X03
57 X3 K1X3 1X03
58 X1 K1X6 1X06
59 IC1 L4941 BDT D-PAK
60 D3 LGR971 805 SMD-LED 805 grün (Conrad)
61 D2 LHR974 805 SMD-LED 805 rot (Conrad)
62 IC3 LM339D SO14
63 T4 SI4420N SO8 Oder anderer Logik-Level SO8 N-FET
64 T6 SI4420N SO8
65 T8 SI4420N SO8
66 T5 SI4425P SO8 Oder anderer Logik-Level SO8 P-FET
67 T7 SI4425P SO8
68 T9 SI4425P SO8

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89C51©ó­«¸m®É¡ARST(²Ä9¸})±µ¸}¥²¶·ºû«ù°ªºA¦Ü¤Ö2­Ó¾÷±ñ¶g´Á(§Y1­Ó¾÷±ñ¶g´Á¬°6­Ó®ÉÄÁ¯ßªi)¡A¬J¥i²£¥Í­«¸mªº°Ê§@¡C­«¸m¿é¤J¸}¤º³¡¬O¤@­Ó¥v±K¯SIJµo¹q¸ô¡A¥i¥H¨¾¤î¦]¥~³¡­«¸m®É©Ò³y¦¨ªºÂø°T¤zÂZ²{¶H¡A­«¸m¹q¸ô

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89C51·L³B²z¾¹ªº®¶Àú¹q¸ô¬O³æ¶¥ªº½u©Ê¤Ï¬Û¾¹¡A¬O³]­p·í§@¥Û­^±±¨î¥Î¡A¥B¬°¥¿·P§Ü®¶Àú¾¹¡A¥Û­^¬O·í§@¤@­Ó¨ÃÁp¦@®¶¹q·P§Ü¡C¦p¹Ï2-3©Ò¥Ü¡A¬°¨Ï¥Î¤º³¡®¶Àú¾¹¤§±µ½u¹Ï¡C¨Ï¥Î¥Û­^´¹Åé®É¡A¥Û­^ªº³W®æ©M¹q®eªº­È¨Ã¨S¦³¯S§Oªº­n¨D¡A¤£¹L»Ý±µ3.5MHZ~12MHZ¤§¥Û­^´¹Åé¡A¦Ó¹q®eªº­È¬°30pF ¡Ó10pF¡C

ORG 0H  ;«Å§i¥H¤Uµ{¦¡¥Ñ¦ì§}0000HÀx¦s

JMP MAIN

ORG 50H     ;«Å§iµ{¦¡¥Ñ¦ì§}0050HÀx¦s

MAIN:

    MOV P2,#11110000B   ;ªì©l¤Æ¡A¥O¥ª¥k°¨¹F¥¿Âà¡A°±¤î

    MOV P3,#0FFH

    MOV R5,#50      ;©I¥s©µ¿ð°Æµ{¦¡,©µ¿ð1¬í

    ACALL   DELAY      

    JB  MIC,$       ;µ¥«Ý­ï­µ±Ò°Ê

;----------------------------------------

START:

MOV A,P0        ;¨ú¥X¥ú·P´ú¾¹«H¸¹

MOV P1,A        ;Åã¥Ü¦bLED¤W

ANL A,#7        ;¨ú¥XP0ªº³Ì§C¤T¦ì¤¸L¡BC¡BR

CJNE    A,#2,MOTOR1 ;»P010¤ñ¸û¡A­Y¤£¬Û¦P«h©¹¤U¤@±±¨î¼Ò¦¡¤ñ¸û

SETB    Right_Motor

SETB    Left_Motor  ;°õ¦æ<«e¶i>¹ïµ¦¡A§Y¥ª«e¶i,¥k«e¶i

JMP START

MOTOR1:

CJNE    A,#3,MOTOR2 ;»P011¤ñ¸û¡AÀˬd¾÷¨­¬O§_µy°¾¥ª

SETB    Right_Motor

SETB    Left_Motor  ;°õ¦æ<Ä~Äò«e¶i>¹ïµ¦¡A§Y¥ª«e¶i,¥k«e¶i

JMP START

MOTOR2:

CJNE    A,#1,MOTOR3 ;»P001¤ñ¸û¡AÀˬd¾÷¨­¬O§_°¾¥ª

CLR Right_Motor

SETB    Left_Motor  ;°õ¦æ<¦V¥k­×¥¿>¹ïµ¦¡A§Y¥ª«e¶i,¥k°±¤î

JMP START

MOTOR3:

CJNE    A,#6,MOTOR4 ;»P110¤ñ¸û¡AÀˬd¾÷¨­¬O§_µy°¾¥k

SETB    Right_Motor

SETB    Left_Motor  ;°õ¦æ<Ä~Äò«e¶i>¹ïµ¦¡A§Y¥ª«e¶i,¥k«e¶i

JMP START

MOTOR4:

CJNE    A,#4,MOTOR5 ;»P100¤ñ¸û¡AÀˬd¾÷¨­¬O§_°¾¥k

SETB    Right_Motor

CLR Left_Motor  ;°õ¦æ<¦V¥ª­×¥¿>¹ïµ¦¡A§Y¥ª°±¤î,¥k«e¶i

JMP START

MOTOR5:

CJNE    A,#7,START  ;»P111¤ñ¸û¡A­Y¤£¬Û¦P«h¥Nªí©Ò¦³±±¨î¼Ò¦¡¤w¤ñ¸û§¹¦¨¡A¸õ¦^¦ÜSTART

CLR Right_Motor

CLR Left_Motor  ;°õ¦æ<°±¤î>¹ïµ¦¡A§Y¥ª°±¤î,¥k°±¤î

JMP START

 

;****************************************

;   ©µ¿ð°Æµ{¦¡: R5*20ms

;****************************************

DELAY:

MOV R6,#40

$1: MOV R7,#249

DJNZ    R7,$        ;R7´î1¤£¬°0¸õ¦Ü¥»¦C

DJNZ    R6,$1       ;R6´î1¤£¬°0¸õ¦Ü $1 ¦C

DJNZ    R5,DELAY

RET

    END

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/* AVR oscilloscope with 128x64 graphic LCD.

   Created by Serasidis Vassilis and finished at 03.Aug.2007

   Home: http://www.serasidis.gr

   e-mail: info@serasidis.gr and avrsite@yahoo.gr

   This code is ditributed under GPL licence.

*/

 #include <avr/io.h>           // include I/O definitions (port names, pin names, etc)

#include <avr/interrupt.h>

#include "glcd.c"

 void USART_Init(unsigned int baudrate);

void timePause(unsigned long count);

void ADC_init (void);

void initTimer (void);

 /* define CPU frequency in Mhz here if not defined in Makefile */

#ifndef F_CPU

#define F_CPU 16000000UL

#endif

 #define msUp                           1

#define msDwn                         4     

#define YposUp                                0

#define YposDwn                             3

#define freeze                           2

 #define AC                                      0

#define DC                                      1

#define SQUARE                             2

#define TRUE                          0

#define FALSE                         1

unsigned int counter = 0;

unsigned int dataCounter = 0;

unsigned int timeDiv = 52;

unsigned int analogInput = 0;

unsigned char trigger = 2;

unsigned char cnt = 0;

unsigned char empty = 0;

unsigned int out = 0;

unsigned char findZero = 0;

unsigned char pressedButton = 0;

unsigned char upLimit = 0;

unsigned char dnLimit = 255;

unsigned char limitBkup = 0;

unsigned char  voltageType = AC;

unsigned char  complete = TRUE;

 signed char Ypos   = 0;

signed char Ypos2   = 0;

signed char position  = 0;

 int main (void)

{

        DDRC = 0b00000000;

        PORTC = 0b11111111;

         DDRA = 0b00000000;

         unsigned char temp1;

        unsigned int temp2;

        unsigned char i;

         glcdInit();

        ADC_init();

        createWelcomeScreen();

        showTheWave();

        timePause(10000000);

         for(;;)

        {

        //---------

                         if (pressedButton == 0)

                        {

                        if (~PINC & (1<<msUp) && (timeDiv <= 1000))

                                {

                                        if(timeDiv == 0)

                                                timeDiv = 52;

                                        else

                                    timeDiv += 145;

                                        pressedButton = 1;

                                }

                                                                if (~PINC & (1<<msDwn) && (timeDiv >= 52))

                                {

                                        if(timeDiv <= 145)

                                                timeDiv = 0;

                                        else

                                                timeDiv -= 145;

                                        pressedButton = 1;

                                }

                                                        if (~PINC & (1<<YposUp) && (Ypos2 <= 60))

                            Ypos2++;

                                                                if (~PINC & (1<<YposDwn) && (Ypos2 >= -60))

                                        Ypos2--;

 

                                if (~PINC & (1<<freeze))

                                        while (~PINC & (1<<freeze)); // It freezes the display to watch the wave.

                                                        }

                        else

                        {

                                temp1 = PINC;

                                if (temp1 == 255)

                                        pressedButton = 0;

                        }

                     //--------v

// This routine makes the trigger.

                        dataCounter = 0;

                        findZero = 0;

                        upLimit = 0;

                        dnLimit = 255;

                 for (i=99; i>0; i--)

                {

                        ADCSRA |= (1 << ADSC); // Enable ADC

                        loop_until_bit_is_set(ADCSRA, ADIF);           // wait until conversion complete.

                        temp1 = ADCL;

                        temp2 = ADCH;

                        timePause(timeDiv); //(7);

                        if (upLimit < temp2) // find the higher voltage level of the input waveform.

                                upLimit = temp2;

                        if (dnLimit > temp2) // find the lower voltage level of the input waveform.

                                dnLimit = temp2;

                        if (temp2 > 0)

                        {

                                temp2 += 5;

                                temp2 /= 5;

                                temp2 += 2;

                        }else temp2 = 2;

                                                position = temp2 + Ypos2 +5;

                        if (position <= 63 && position >= 0)  // Adjust Up-Down the wave.

                                fillDataLcdBuffer(i,position);

                        else

                                fillDataLcdBuffer(i,0);

                }

                if(upLimit != dnLimit)

                        trigger = (((upLimit - dnLimit)/2)+ dnLimit); // find the middle of the wave, to be used it as a trigger.

//--------^

                 createRaster();

                createWave();

                showTheWave();

                                    dataCounter = 0;

                                do

                                {

                                        limitBkup = temp2;

                                        ADCSRA |= (1 << ADSC); // Enable ADC

                                        loop_until_bit_is_set(ADCSRA, ADIF);

                                        temp1 = ADCL;

                                        temp2 = ADCH;

                                        //timerPause(timeDiv);

                                       if(limitBkup == temp2)

                                        {

                                                dataCounter++;

                                                if(dataCounter >= 500)

                                                        voltageType = DC;

                                                else

                                                        voltageType = AC;

                                        }

                                       if((voltageType == AC) && ((temp2 == trigger) && (limitBkup < temp2)))

                                                complete = TRUE;

                                        else

                                        if((voltageType == DC) && (limitBkup == temp2) && (upLimit != dnLimit))

                                        {

                                                dataCounter = 0;

                                                do

                                                {

                                                        ADCSRA |= (1 << ADSC); // Enable ADC

                                                        loop_until_bit_is_set(ADCSRA, ADIF);

                                                        temp1 = ADCL;

                                                        temp2 = ADCH;

                                                        complete = TRUE;

                                                        dataCounter++;

                                                }while ((temp2 > trigger) && (dataCounter <1000));

                                                                                    dataCounter = 0;

                                                do

                                                {

                                                        ADCSRA |= (1 << ADSC); // Enable ADC

                                                        loop_until_bit_is_set(ADCSRA, ADIF);

                                                        temp1 = ADCL;

                                                        temp2 = ADCH;

                                                        complete = TRUE;

                                                        dataCounter++;

                                                }while ((temp2 < trigger) && (dataCounter <1000));

                                        }

                                        else

                                        if((voltageType == DC) && (limitBkup == temp2))

                                                complete = TRUE;

                                        else

                                                complete = FALSE;

                                                              } while(complete == FALSE);

 

        }     

}

 

//===============================================================================

//

//===============================================================================

 void ADC_init (void)

{

        ADMUX = 0b01100000; // PA0 -> ADC0, ADLAR=1 (8bit)

        ADCSRA = 0b11000100; // ADC prescaler at 16

}

 //===============================================================================

//

//===============================================================================

void timePause(unsigned long count)

{

    while(count--);

}

 //===============================================================================

//

//===============================================================================

 AVRStudio><MANAGEMENT><ProjectName>AVR_oscilloscope</ProjectName><Created>04-Jun-2007 15:46:58</Created><LastEdit>05-Aug-2007 16:57:50</LastEdit><ICON>241</ICON><ProjectType>0</ProjectType><Created>04-Jun-2007 15:46:58</Created><Version>4</Version><Build>4, 12, 0, 491</Build><ProjectTypeName>AVR GCC</ProjectTypeName></MANAGEMENT><CODE_CREATION><ObjectFile>default\AVR_oscilloscope.elf</ObjectFile><EntryFile></EntryFile><SaveFolder>D:\avr 05-09-03\Projects\AVR_oscilloscope\</SaveFolder></CODE_CREATION><DEBUG_TARGET><CURRENT_TARGET>AVR Simulator</CURRENT_TARGET><CURRENT_PART>ATmega48.xml</CURRENT_PART><BREAKPOINTS></BREAKPOINTS><IO_EXPAND><HIDE>false</HIDE></IO_EXPAND><REGISTERNAMES><Register>R00</Register><Register>R01</Register><Register>R02</Register><Register>R03</Register><Register>R04</Register><Register>R05</Register><Register>R06</Register><Register>R07</Register><Register>R08</Register><Register>R09</Register><Register>R10</Register><Register>R11</Register><Register>R12</Register><Register>R13</Register><Register>R14</Register><Register>R15</Register><Register>R16</Register><Register>R17</Register><Register>R18</Register><Register>R19</Register><Register>R20</Register><Register>R21</Register><Register>R22</Register><Register>R23</Register><Register>R24</Register><Register>R25</Register><Register>R26</Register><Register>R27</Register><Register>R28</Register><Register>R29</Register><Register>R30</Register><Register>R31</Register></REGISTERNAMES><COM>Auto</COM><COMType>0</COMType><WATCHNUM>0</WATCHNUM><WATCHNAMES><Pane0></Pane0><Pane1></Pane1><Pane2></Pane2><Pane3></Pane3></WATCHNAMES><BreakOnTrcaeFull>0</BreakOnTrcaeFull></DEBUG_TARGET><Debugger><modules><module></module></modules><Triggers></Triggers></Debugger><AVRGCCPLUGIN><FILES><SOURCEFILE>AVR_oscilloscope.c</SOURCEFILE><OTHERFILE>glcd.c</OTHERFILE></FILES><CONFIGS><CONFIG><NAME>default</NAME><USESEXTERNALMAKEFILE>NO</USESEXTERNALMAKEFILE><EXTERNALMAKEFILE></EXTERNALMAKEFILE><PART>atmega32</PART><HEX>1</HEX><LIST>0</LIST><MAP>0</MAP><OUTPUTFILENAME>AVR_oscilloscope.elf</OUTPUTFILENAME><OUTPUTDIR>default\</OUTPUTDIR><ISDIRTY>1</ISDIRTY><OPTIONS/><INCDIRS/><LIBDIRS/><LIBS/><LINKOBJECTS/><OPTIONSFORALL>-Wall -gdwarf-2            -DF_CPU=16000000UL -Os -fsigned-char</OPTIONSFORALL><LINKEROPTIONS></LINKEROPTIONS><SEGMENTS/></CONFIG></CONFIGS><LASTCONFIG>default</LASTCONFIG><USES_WINAVR>1</USES_WINAVR><GCC_LOC>C:\WinAVR\bin\avr-gcc.exe</GCC_LOC><MAKE_LOC>C:\WinAVR\utils\bin\make.exe</MAKE_LOC></AVRGCCPLUGIN><ProjectFiles><Files><Name>D:\avr 05-09-03\Projects\AVR_oscilloscope\AVR_oscilloscope.c</Name></Files></ProjectFiles><IOView><usergroups/></IOView><Files><File00000><FileId>00000</FileId><FileName>AVR_oscilloscope.c</FileName><Status>257</Status></File00000><File00001><FileId>00001</FileId><FileName>glcd.c</FileName><Status>1</Status></File00001><File00002><FileId>00002</FileId><FileName>glcd.h</FileName><Status>1</Status></File00002></Files><Workspace><File00000><Position>359 85 1441 608</Position><LineCol>155 14</LineCol></File00000><File00001><Position>390 153 1356 496</Position><LineCol>6 32</LineCol></File00001><File00002><Position>359 82 1441 605</Position><LineCol>31 0</LineCol><State>Maximized</State></File00002></Workspace><Events><Bookmarks></Bookmarks></Events><Trace><Filters></Filters></Trace></AVRStudio>

 /* As graphic LCD used the DEM128064A model (128x64 pixels).

    Created by Serasidis Vassilis and finished at 03.Aug.2007

     This code is ditributed under GPL licence.

*/

 #include <avr/io.h>

#include <avr/pgmspace.h>

 #define     lcdrs 0             // LCD's RS pin is connected to Pin0 of AVR

#define     lcdrw        1             // LCD's r/w pin is connected to Pin1 of AVR

#define     lcde  2       // LCD's e pin is connected to Pin2 of AVR

#define     lcdcs1      5       // LCD's CS1 pin is connected to Pin5 of AVR

#define     lcdcs2      4       // LCD's CS2 pin is connected to Pin4 of AVR

#define     lcdrst        3       // LCD's RST pin is connected to Pin3 of AVR

 #define     ctrl_port         PORTB

#define     ctrl_port_ddr    DDRB

#define     ctrl_port_pins   PINB

 #define     data_port         PORTD

#define     data_port_ddr  DDRD

#define     data_port_pins PIND

 void glcdInit (void);

void createWelcomeScreen (void);

void createRaster (void);

void delayTime (unsigned long counter);

void glcdWait (void);

void eStrobe (void);

void enable_cs1 (void);

void enable_cs2 (void);

void showTheWave (void);

void changeLine (unsigned char data);

void createWave (void);

void fillDataLcdBuffer (unsigned char address, unsigned char data);

 unsigned char column = 0;

unsigned char line = 0;

unsigned char lcdBuffer[1024];

unsigned int  lcdAddress = 0;

unsigned int  flashAddress = 0;

static unsigned char dataLcdBuffer[128];

unsigned int  backupLcdAddress = 0;

 const char LcdRaster[] __attribute__ ((progmem)) = {

255,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,

1,1,1,3,1,1,1,1,1,1,1,1,1,3,1,1,

1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,

1,171,1,1,1,1,1,1,1,1,1,3,1,1,1,1,

1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,3,

1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,

1,1,1,1,255,0,0,0,0,0,224,80,72,80,224,0,

248,0,0,0,248,0,248,72,200,72,48,0,0,0,0,0,

255,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,

0,0,0,8,0,0,0,0,0,0,0,0,0,8,0,0,

0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,

8,170,8,0,0,0,0,0,0,0,0,8,0,0,0,0,

0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,8,

0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,

0,0,0,8,255,0,0,192,32,32,35,0,192,32,35,32,

0,193,34,33,192,0,227,32,32,193,2,224,32,32,32,0,

255,0,0,0,0,0,0,0,0,32,0,0,0,0,0,0,

0,0,0,32,0,0,0,0,0,0,0,0,0,32,0,0,

0,0,0,0,0,0,0,32,0,0,0,0,0,0,0,0,

32,170,32,0,0,0,0,0,0,0,0,32,0,0,0,0,

0,0,0,0,0,32,0,0,0,0,0,0,0,0,0,32,

0,0,0,0,0,0,0,0,0,32,0,0,0,0,0,0,

0,0,0,32,255,0,0,72,73,73,70,64,71,72,72,72,

64,71,72,72,71,64,79,65,65,64,64,79,73,73,9,0,

255,128,0,128,0,128,0,128,0,192,0,128,0,128,0,128,

0,128,0,192,0,128,0,128,0,128,0,128,0,192,0,128,

0,128,0,128,0,128,0,192,0,128,0,128,0,128,0,128,

128,234,128,128,0,128,0,128,0,128,0,192,0,128,0,128,

0,128,0,128,0,192,0,128,0,128,0,128,0,128,0,192,

0,128,0,128,0,128,0,128,0,192,0,128,0,128,0,128,

0,128,0,128,255,0,0,152,164,160,152,132,164,152,0,0,

48,72,64,48,8,72,48,0,0,0,0,0,0,0,0,0,

255,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,

0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,

0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,

0,171,0,0,0,0,0,0,0,0,0,1,0,0,0,0,

0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,

0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,

0,0,0,0,255,0,0,92,82,82,82,82,82,92,0,0,

161,161,161,161,161,161,189,0,0,224,32,64,128,0,0,0,

255,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,

0,0,0,2,0,0,0,0,0,0,0,0,0,2,0,0,

0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,

2,170,2,0,0,0,0,0,0,0,0,2,0,0,0,0,

0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,2,

0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,

0,0,0,2,255,0,0,198,41,40,230,33,41,38,0,0,

140,82,16,140,66,82,140,0,0,25,164,164,164,165,165,25,

255,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,

0,0,0,8,0,0,0,0,0,0,0,0,0,8,0,0,

0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,

8,170,8,0,0,0,0,0,0,0,0,8,0,0,0,0,

0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,8,

0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,

0,0,0,8,255,0,0,56,165,37,57,37,165,37,0,0,

49,74,74,121,72,74,73,0,0,99,148,20,36,68,132,243,

255,128,128,128,128,128,128,128,128,160,128,128,128,128,128,128,

128,128,128,160,128,128,128,128,128,128,128,128,128,160,128,128,

128,128,128,128,128,128,128,160,128,128,128,128,128,128,128,128,

160,170,160,128,128,128,128,128,128,128,128,160,128,128,128,128,

128,128,128,128,128,160,128,128,128,128,128,128,128,128,128,160,

128,128,128,128,128,128,128,128,128,160,128,128,128,128,128,128,

128,128,128,128,255,0,0,99,148,132,103,20,148,99,0,0,

17,17,17,17,17,10,4,0,0,60,66,90,82,90,66,60};

 const char welcomeScreen[] __attribute__ ((progmem)) = {

255,1,1,1,1,225,33,33,33,33,33,33,33,33,33,33

,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33

,33,33,33,33,33,33,225,1,1,1,1,1,1,1,1,1

,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1

,1,1,1,1,1,1,193,225,49,25,25,49,225,193,1,1

,249,249,1,1,1,1,249,249,1,1,249,249,25,25,25,57

,241,225,1,1,1,1,1,1,1,1,1,1,1,1,1,1

,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,255

,255,0,0,0,0,255,0,0,0,17,0,0,0,17,0,0

,0,17,0,0,0,0,85,0,0,0,17,0,0,0,17,0

,0,0,17,0,0,0,255,0,0,0,0,0,0,0,0,0

,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

,0,0,0,0,0,0,127,127,12,12,12,12,127,127,0,0

,15,31,48,96,96,48,31,15,0,0,127,127,6,6,6,15

,123,113,0,0,0,0,0,0,0,0,0,0,0,0,0,0

,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255

,255,0,0,0,0,255,0,8,0,73,0,8,0,73,0,8

,0,73,0,8,0,8,93,8,0,8,65,8,0,8,65,8

,0,8,65,8,0,8,255,0,0,0,0,0,0,0,0,0

,252,254,2,254,252,0,156,190,34,238,204,0,252,254,2,14

,12,0,0,2,254,254,2,0,254,254,0,0,0,0,254,254

,0,0,0,0,252,254,2,254,252,0,156,190,34,238,204,0

,252,254,2,14,12,0,252,254,2,254,252,0,254,254,34,62