[求助] 12864调试

ena 2017-1-20 20:47 楼主

现在有一个12864的屏，采用的是双595扩展的串口，单片机采用的是IAP15W4K61S4，选用的是内部24MHZ的晶振。调了两天没调出来，不知道哪里出了问题！还请大家帮忙看一下。12864采用的是不带字库的，RST脚没接
#include
#define uchar unsigned char
#define uint unsigned int
sbit EXP_CLK = P3^6;
sbit EXP_DATA = P3^7;
sbit KEY_D_ST1 = P3^4;
sbit KEY_C_ST1 = P3^5;
uchar Port;
void SendCommand(uchar command);
void WriteData(uchar dat);
void LcdDelay(uchar time);
void SetOnOff(uchar onoff);
void ClearScreen(uchar screen);
void SetLine(uchar line);
void SetColum(uchar colum);
void SetStartLine(uchar startline);
void SelectScreen(uchar screen);
void Show1616(uchar lin,uchar colum,uchar *address);
void InitLcd();
void Show_english(uchar lin,uchar colum,uchar *address);
void SendChrToPeriphery(uchar chr);
void SetKeyDisCT(bit bbit);

void delayms(uint ms);
void delayus(uint us);

void InitPort(void)
{
P0M1 = 0x00;
P0M0 = 0x00;
P0 = 0xe0;

P1M1 = 0xc0;
P1M0 = 0x00;
P1 = 0xeb;

P2M1 = 0x00;
P2M0 = 0x00;
P2 = 0xfa;

P3M1 = 0x00;
P3M0 = 0x00;
P3 = 0;

P4M1 = 0x00;
P4M0 = 0x00;
P4 = 0xe7;

P5M1 = 0x00;
P5M0 = 0x00;
P5 = 0xf9;

P6M1 = 0x00;
P6M0 = 0x00;
P6 = 0x7e;

P7M1 = 0x00;
P7M0 = 0x00;
P7 = 0xff;
WDT_CONTR = 0x35;

}

const uchar code hzk[] =
{

};

void main()
{
uchar i,line,colum,j ;
uchar *address ;
   InitPort();
   Port=0xff;
   SendChrToPeriphery(Port);       //ê1Äü
   SetKeyDisCT(1);
   WDT_CONTR = 0x35;
InitLcd();
while(1)
  {
WDT_CONTR = 0x35;
line=1;
colum=0;
address=hzk;
SetOnOff(1);
for(i=0;i<14;i++)
{
   if(i<8)
   {
      SelectScreen(0);
      Show_english(line,colum,address);
      address+=16;
      colum+=8;
   }
else if(i>=8)
{
      if(i<13)
      {
      SelectScreen(1);
      Show_english(line,colum,address);
      address+=16;
      colum+=8;
      }
      else
      {
      Show1616(line,colum,address);
      address+=32;
      colum+=16;
      }
   }
}
}
}

void SendChrToPeriphery(unsigned char chr)
{
unsigned char cthr;
for ( cthr = 0 ;cthr < 8;cthr ++ )
{
EXP_DATA = chr & 0x80;
chr <<= 1;
EXP_CLK = 1;
EXP_CLK = 0;
};
}

void SetKeyDisCT(bit bbit)    //μØÖ·ê1Äü½Å
{
KEY_C_ST1 = bbit;
      LcdDelay(5);
KEY_C_ST1=0;
}

void SetKeyDisDT(bit bbit)       //êy¾Yê1Äü½Å
{
   KEY_D_ST1 = bbit;
      LcdDelay(5);
KEY_D_ST1=0;
}

void LcdDelay(uchar time)
{
while(time--);
}

void delayus(uint us)
{
  uint m;
for(m=0;m {
   LcdDelay(24);
}
}

void delayms(uint ms)
{
   uint m;
for(m=0;m {
   delayus(1000);
}
}
void SendCommand(uchar command)    //·￠ËíÃüáî
{

   Port&=0xe3;
   SendChrToPeriphery(Port);       //
   SetKeyDisCT(1);
   delayus(500);

SendChrToPeriphery(command);
   SetKeyDisDT(1);

   Port&=0xeb;
   SendChrToPeriphery(0xeb);       //ê1Äü
   SetKeyDisCT(1);

   Port&=0xeb;
   SendChrToPeriphery(0xe3);       //ê1Äü
   SetKeyDisCT(1);

   delayms(10);
}

void WriteData(uchar dat)          //·￠Ëíêy¾Y
{

   Port&=0xe7;
   SendChrToPeriphery(0xe7);
   SetKeyDisCT(1);

   delayus(500);

SendChrToPeriphery(dat);
   SetKeyDisDT(1);

   Port&=0xef;
   SendChrToPeriphery(0xef);
   SetKeyDisCT(1);

   LcdDelay(130);
   Port&=0xe7;
   SendChrToPeriphery(0xe7);
   SetKeyDisDT(1);

   delayms(10);
}

void SetOnOff(uchar onoff)
{
if(onoff==1)
  {
SendCommand(0x3f);
  }
  else
  {
SendCommand(0x3e);
  }
}

void SetLine(uchar line)
{
line=line&0x07;
line=line|0xb8;
SendCommand(line);
}

void SetColum(uchar colum)
{
colum=colum&0x3f;
colum=colum|0x40;
SendCommand(colum);
}

void SetStartLine(uchar startline)
{
startline=startline&0x3f;
startline=startline|0xc0;
SendCommand(startline);
}

void SelectScreen(uchar screen)       //Ñ¡ÔñÆá
{
switch(screen)
{
   case 0:
         Port&=0xfd;
         SendChrToPeriphery(Port);
            SetKeyDisCT(1);
         break;
   case 1:
         Port&=0xfe;
         SendChrToPeriphery(Port);
            SetKeyDisCT(1);
         break;
   case 2:
         Port&=0xfc;
         SendChrToPeriphery(Port);
            SetKeyDisCT(1);
         break;
}
}

void Show1616(uchar lin,uchar colum,uchar *address)  //ÏÔê¾oo×Ö
{
uchar i;
SetLine(lin);
SetColum(colum);
for(i=0;i<16;i++)
{
   WriteData(*address);
   address++;
}
SetLine(lin+1);
SetColum(colum);
  for(i=0;i<16;i++)
  {
   WriteData(*address);
   address++;
  }
}

void Show_english(uchar lin,uchar colum,uchar *address)       //ÏÔê¾ó￠ÎÄ
{
  uchar i;
  SetLine(lin);
  SetColum(colum);
  for(i=0;i<8;i++)
  {
WriteData(*address);
address++;
  }
  SetLine(lin+1);
  SetColum(colum);
  for(i=0;i<8;i++)
  {
WriteData(*address);
address++;
  }
}

void ClearScreen(uchar screen)                //ÇåÆá
{
uchar i,j;
SelectScreen(screen);
for(i=0;i<8;i++)
{
   SetLine(i);
   SetColum(0);
   for(j=0;j<64;j++)
   {
   WriteData(0);
   }
}
}

void InitLcd()
{
  SetOnOff(0);
  ClearScreen(2);
  SetLine(0);
  SetColum(0);
  SetStartLine(0);
  SetOnOff(1);
}