程序遇到麻烦 请进来看看 指点迷津
编译通过 但出来的结果不是预期的 单步执行发现错误主要是无法进入子程序‘
程序如下：
#include "stdio.h"
#include "system.h"
#include "altera_avalon_pio_regs.h"
#include "alt_types.h"
char xianshidata[16*6] =
{0x02,0x13,0x00,0x10,0x00,0x41,
0x00,0xF8,0x04,0x90,0x00,0x10,
0x02,0x30,0xFF,0x10,0x04,0x42,
0x00,0x40,0xFE,0x90,0x08,0x10,
0x02,0x50,0x00,0x1F,0x42,0x44,
0x04,0x40,0x10,0x90,0x08,0x10,
0xFF,0x90,0x00,0x10,0x43,0x48,
0xFE,0x40,0x90,0x90,0x08,0x20,
0x04,0x10,0x1F,0x00,0x41,0x50,
0x00,0x40,0xD0,0x10,0x08,0x30,
0x04,0x10,0x10,0x00,0x40,0x60,
0x40,0x44,0x90,0x10,0x08,0x48,
0x08,0x17,0x10,0x00,0x40,0x01,
0x40,0xFE,0x90,0x50,0x08,0x84,
0x08,0x10,0x10,0x00,0x40,0x06,
0x50,0x00,0x90,0x20,0x08,0x04
};//
char dis_buffer[16*6];
unsigned char *p1,*shouzhi;
int hangzifu[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
void smalldelay()
{
volatile int j;
for(j=0;j<3;j++);
}
void aclkh()
{ int sclkh;
sclkh=0;
smalldelay();
sclkh=1;
IOWR_ALTERA_AVALON_PIO_DATA(P2_HCLOCK_BASE, sclkh);
}
void aclk08()
{
int sclk08;
sclk08=0;
smalldelay();
sclk08=1;
IOWR_ALTERA_AVALON_PIO_DATA(P2_LSHCLK_BASE, sclk08);
}
void senddata08(int row)
{
int sdata0,sdata8;
volatile int i,j;
unsigned char temp1shang,temp1xia;
for(i=0;i<6;i++)
{
temp1shang=dis_buffer[row*i];
temp1xia=dis_buffer[(row+8)*i];
for(j=0;j<8;j++)
{
if ((temp1shang & 0x80)==0) sdata0=1;
else sdata0=0;
IOWR_ALTERA_AVALON_PIO_DATA(P2_R0_BASE, sdata0);
if ((temp1xia & 0x80)==0) sdata8=1;
else sdata8=0;
IOWR_ALTERA_AVALON_PIO_DATA(P2_R1_BASE, sdata8);
aclk08();
temp1shang=temp1shang<<1;
temp1xia=temp1xia<<1;
}
}
}
void senddatahang(int rrr)
{
int sdatah;
unsigned char hangma;
volatile int i;
hangma=hangzifu[rrr];
for (i=0;i<8;i++)
{
if ((hangma & 0x08)==0) sdatah=0;
else sdatah=1;
IOWR_ALTERA_AVALON_PIO_DATA(P2_HDATA_BASE, sdatah);
aclkh();
hangma=hangma<<1;
}
} //主程序
void main(void)__attribute__((weak,alias("alt_main")));
void alt_main(void)
{
int gh,suocunh,suocun08;
int i;
int jjj,aa,bb;
gh=0;
IOWR_ALTERA_AVALON_PIO_DATA(P2_NE_BASE, gh);
shouzhi=&xianshidata[0];
p1=shouzhi;
for(i=0;i<16;i++)
{
for(jjj=0;jjj<6;jjj++) {dis_buffer[i*jjj]=0;}
}////初始化
for(aa=0;aa<16;aa++)
{ for(bb=0;bb<6;bb++)
{ dis_buffer[aa*bb]=*(p1+aa*6+bb);
}
}
while(1)
{
for(i=0;i<8;i++)
{ senddatahang(i); //不进入子程序
senddatahang（）执行，而是直接往下执行了，而且下面的 遇到的每一个字函数都是这样的问题？？？？为什么？？？
senddata08(i);
suocunh=0;
suocun08=0;
smalldelay();
suocunh=1;
suocun08=1;
IOWR_ALTERA_AVALON_PIO_DATA(P2_HSTOBE_BASE, suocunh);
IOWR_ALTERA_AVALON_PIO_DATA(P2_LSTOBE_BASE, suocun08);
}
}
}
|
