stm32并口驱动12864，求大神看看我的程序错在哪了？编译通过但是屏幕上没显示~搞了两天了，头疼死我了、

#include "lcd12864.h"

#include "ziku.h"

#include <string.h>

static void delay(uint j)//延时

{

uchar i

for(j!=0j--)

for(i=0i<100i++)

}

void busy(void)

{

uchar i

for(i=0i<50i++)

_nop_()

}

void wdata(uchar wdata)

{

busy() //忙提示

LCD_RW=0

LCD_DI=1

P0=wdata

LCD_EN=0

LCD_EN=1

LCD_EN=0

}

void wcode(uchar wcode)

{

busy()

LCD_RW=0

LCD_DI=0

P0=wcode

LCD_EN=0

LCD_EN=1

LCD_EN=0

}

void subinit()

{

delay(10)

wcode(0xc0)//设置显示初始行

}

//设置显示位置

void setxy(uchar x,uchar y)

{

if ((y>=0)&(y<=63))

{

LCD_CSA=0

LCD_CSB=1

}

else //if (y<=127)

{

LCD_CSA=1

LCD_CSB=0

}

wcode(0x40|(y%64))

wcode(0xb8|x)

P0=0xff

}

void wdram(uchar x,uchar y,uchar dd)

{

setxy(x,y)

wdata(dd)

P0=0xff

LCD_CSA=1

LCD_CSB=1

}

//复位.

void Lcd_RST(void)

{

//rst=0

LCD_REST=0

delay(50)

LCD_REST=1

Lcd_Clear(0,7,0,128)

wcode(0x3f)//开显示

}

//LCD初始化

void Lcd_Init(void)

{

LCD_POR=0

Lcd_RST()

LCD_CSA=0

LCD_CSB=1

wcode(0x3e)subinit()

LCD_CSA=1

LCD_CSB=0

wcode(0x3e)subinit()

Lcd_Clear(0,7,0,128)

LCD_CSA=0

LCD_CSB=1

wcode(0x3f)//开显示

LCD_CSA=1

LCD_CSB=0

wcode(0x3f)//开显示

}

void Lcd_On(void)

{

LCD_CSA=0

LCD_CSB=1

wcode(0x3f)//开显示

LCD_CSA=1

LCD_CSB=0

wcode(0x3f)//开显示

}

//LCD　清显示屏

void Lcd_Clear(uchar StartLine,uchar StopLine,uchar StartRow,uchar StopRow)

{

uchar x,y

for(x=StartLinex<StopLine+1x++)

{

for(y=StartRowy<StopRowy++)

{

wdram(x,y,0)

}

}

}

//显示一个汉字

void Lcd_DispOneChar(uchar x,uchar y,uchar * hz,uchar disp_mode,uchar Width)

{

uchar i

for(i=0i<Widthi++)

{

if(disp_mode==WHITE)

{

wdram(x,y+i,*(hz+i))

wdram(x+1,y+i,*(hz+Width+i))

}

else

{

wdram(x,y+i,0xff-*(hz+i))

wdram(x+1,y+i,0xff-*(hz+Width+i))

}

}

if(Width==12)

{

for(i=12i<14i++)

{

if(disp_mode==WHITE)

{

wdram(x,y+i,0)

wdram(x+1,y+i,0)

}

else

{

wdram(x,y+i,0xff)

wdram(x+1,y+i,0xff)

}

}

for(i=1i<4i++)

{

if(disp_mode==WHITE)

{

wdram(x,y-i,0)

wdram(x+1,y-i,0)

}

else

{

wdram(x,y-i,0xff)

wdram(x+1,y-i,0xff)

}

}

}

}

void Lcd_Disp_String(uchar x,uchar y,char *pString,uchar disp_mode)

{

uchar i,j

uchar LineDispCode[16]

//strlen(),为字符串长度测量。

memset(LineDispCode,0,16) //清零数组

strcpy(LineDispCode,pString) //字符串之间的相互复制。

for(i=0i<strlen(pString)i++)

{

LineDispCode[i]=*(pString+i)

}

i=0

while(LineDispCode[i]!=0)

{

if(LineDispCode[i]>=0xA0)

{

//显示的是汉字

for(j=0j<ZIMO_NUMj++)

{

if(GB_12[j].Index[0]==LineDispCode[i] &&

GB_12[j].Index[1]==LineDispCode[i+1])

{

//显示的是汉字

Lcd_DispOneChar(x,y,GB_12[j].Msk,disp_mode,12)

y+=16

break

}

}

i+=2

}

else

{

//显示的是ASCII编码

for(j=0j<ASC_NUMj++)

{

if(ASC_12[j].Index==LineDispCode[i])

{

//显示的是汉字

Lcd_DispOneChar(x,y,ASC_12[j].Msk,disp_mode,8)

y+=8

break

}

}

i++

}

if(i>=16)

{

break

}

}

}

//显示数字.

void Lcd_Disp_OneNum(uchar x,uchar y,uchar num,uchar disp_mode)

{

switch(num)

{

case 0:{Lcd_Disp_String(x,y,"0",disp_mode)}break

case 1:{Lcd_Disp_String(x,y,"1",disp_mode)}break

case 2:{Lcd_Disp_String(x,y,"2",disp_mode)}break

case 3:{Lcd_Disp_String(x,y,"3",disp_mode)}break

case 4:{Lcd_Disp_String(x,y,"4",disp_mode)}break

case 5:{Lcd_Disp_String(x,y,"5",disp_mode)}break

case 6:{Lcd_Disp_String(x,y,"6",disp_mode)}break

case 7:{Lcd_Disp_String(x,y,"7",disp_mode)}break

case 8:{Lcd_Disp_String(x,y,"8",disp_mode)}break

case 9:{Lcd_Disp_String(x,y,"9",disp_mode)}break

default: break

}

}

//显示二位数。

void Disp_2num(uchar x,uchar y,uchar num,uchar disp_mode)

{

uchar ch[2]

ch[0]=num%10

ch[1]=num/10

Lcd_Disp_OneNum(x,y,ch[1],disp_mode)

Lcd_Disp_OneNum(x,y+8,ch[0],disp_mode)

}

//*****************************************************

//显示三位数。

void Disp_3num(uchar x,uchar y,uint num,uchar disp_mode)

{

uchar ch[2]

ch[0]=num/100

ch[1]=num%100

if(ch[0])

Lcd_Disp_OneNum(x,y, ch[0],disp_mode)

else

Lcd_Disp_String(x,y," ",disp_mode)

Disp_2num(x,y+8, ch[1],disp_mode)

}

//*****************************************************

//显示四位数。

void Disp_4num(uchar x,uchar y,uint num,uchar disp_mode)

{

uchar ch[4],tmp

tmp=num/100

ch[0]=tmp/10

ch[1]=tmp%10

tmp=num%100

ch[2]=tmp/10

ch[3]=tmp%10

Lcd_Disp_OneNum(x,y,ch[0],disp_mode)

Lcd_Disp_OneNum(x,y+8,ch[1],disp_mode)

Lcd_Disp_OneNum(x,y+16,ch[2],disp_mode)

Lcd_Disp_OneNum(x,y+24,ch[3],disp_mode)

}

void Lcd_DispIco2(uchar x,uchar y,uchar *pIco)//显示老肯图标

{

uchar i,j

for(i=0i<4i++)

{

for(j=0j<32j++)

{

wdram(x+i,y+j,*pIco)

pIco++

}

}

}

//*****************************************************

//显示多位数。 disp_mode&0x10==1时，进行即每位都显示，否则大于0的位置不显示。

void Disp_NumGB16(uchar x,uchar y,ulong Data,uchar num,uchar disp_mode)

{

uchar idata ch=0,i,tmp

for(i=0i<numi++)

{

tmp=Data%10

Data/=10

if((disp_mode&0x10)||tmp>0||Data>0||num<=2)

Lcd_Disp_OneNum(x,y+(num-i-1)*8,tmp,disp_mode%10)

else

Lcd_Disp_String(x,y+(num-i-1)*8," ",disp_mode%10)

}

}

给你找了一个给你参考参考把：

http://wenku.baidu.com/link?url=yi6M9n7jl61QAsB9J0oW8pOabWJ5bN6OwKPXGOEvjQHOwT75AX-KnB3UYQvXm2maFqqO_a1sKJC03HcQfvC1mtOk3j3UqSwixaUUSz0-5l3