?? uart.c
字號:
#include "ccblkfn.h"
#include "sysreg.h"
#include <sys\exception.h>
#include <cdefBF533.h>
#define pCtrlReg1 (volatile unsigned char *)0x20220000
#define pCtrlReg2 (volatile unsigned char *)0x20230000
#define DelayLength 1000000
void Delay(unsigned int DelayValue)
{
int i;
for(i=0;i<DelayValue;i++)
{
;
}
}
void main(void)
{
unsigned short tempa=0,tempb=0;
unsigned char i;
*pCtrlReg1 = 0xff;
*pCtrlReg2 = 0xff;
*pEBIU_AMBCTL0 = 0x7bb07bb0;
*pEBIU_AMBCTL1 = 0x7bb07bb0;
*pEBIU_AMGCTL = 0x000f;
InitUART();
*pUART_LCR=0x0083;
ssync();
tempa = *pUART_DLL;
tempb = *pUART_DLH;
*pUART_LCR=0x0003;
ssync();
while(1)
{
for(i=0;i<256;i++)
{*pUART_THR = i;
Delay(DelayLength);
}
//*pUART_THR = 0xaa;
//Delay(DelayLength);
}
}
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