#define rGPBCON (*(volatile unsigned *)0x56000010) //Port B control
#define rGPBDAT (*(volatile unsigned *)0x56000014) //Port B data
#define rGPBUP (*(volatile unsigned *)0x56000018) //Pull-up control B
/*----------------------------------------------------------------------------
* Main: Initialize and start RTX Kernel
*---------------------------------------------------------------------------*/
int main (void)
{
int i,j;
int dat;
rGPBCON =0x00015400; // 0000 0000 0000 0001 0101 0100 0000 0000 配置成输出 GPB5~GPB8
rGPBUP =0x3ff; //GPB1~GPB10禁止上拉
while(1)
{
dat=0x1df;
for(j=0;j<4;j++)
{
for(i=0;i<300000;i++);
rGPBDAT=dat;
dat=dat<<1;
//rGPBDAT=dat<<1;
}
}
}mini2440上面的.
