dbgu.c

在AT91SAM7SE上测试sdram用的代码。

//DBGU.c

#include	"Preprocess.h"
#include	"dbgu.h"


VOID	DbguInit(VOID){

	AT91F_DBGU_CfgPMC();
	AT91F_DBGU_CfgPIO();
	AT91F_US_Configure(
		(AT91PS_USART)(AT91C_BASE_DBGU), 
		PPHCK, 
		AT91C_US_ASYNC_MODE,
		UART_BAUND,
		0
	);
	
	AT91F_US_EnableTx((AT91PS_USART) AT91C_BASE_DBGU);
	AT91F_US_EnableRx((AT91PS_USART) AT91C_BASE_DBGU);
	
	
}//VOID	DbguInit(VOID){




VOID	DbguPutStr(CHAR *pszStr){
	while(*pszStr != '\0') {
		DbguPutChar(*pszStr);
		pszStr++;
	}
}//VOID DbguPutStr(CHAR *pszStr){



VOID	DbguPutChar(CHAR ch){
	while (!AT91F_US_TxReady((AT91PS_USART)AT91C_BASE_DBGU));
	AT91F_US_PutChar((AT91PS_USART)AT91C_BASE_DBGU, ch);
}//VOID DbguPutChar(CHAR ch){




CHAR	DbguGetChar(VOID){
	CHAR ch;
	while(!AT91F_US_RxReady((AT91PS_USART)AT91C_BASE_DBGU));
	ch = (CHAR)(AT91F_US_GetChar((AT91PS_USART)AT91C_BASE_DBGU));
	return(ch);
}//CHAR DbguGetChar(VOID){




VOID	DbguGetStr(CHAR* pszStr){
	CHAR*	pCur;
	
	pCur = pszStr;
	while(1){
		*pCur = DbguGetChar();
		if(NULL == *pCur){
			break;
		}
		pCur++;
	}
}//VOID	DbguGetStr(CHAR* pszStr){