main.c

AT91RM9200的RTC测试程序

//*----------------------------------------------------------------------------
//*         ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : main.c
//* Object              : main application written in C
//* Creation            : ODi   06/26/2002
//*
//*----------------------------------------------------------------------------

#include <stdarg.h>

#include "AT91RM9200.h"
#include "lib_AT91RM9200.h"
#include "rtc_pcf8563.h"

// AT91F_DBGU_Printk is defined in init.c
extern void AT91F_DBGU_Printk(char *);

void AT91F_DBGU_Printf(char *fmt,...)
{
    va_list ap;
    char string[256];

    va_start(ap,fmt);
    vsprintf(string,fmt,ap);
    AT91F_DBGU_Printk(string);
    va_end(ap);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_DBGU_getc
//* \brief This function is used to receive a character to the DBGU channel
//*----------------------------------------------------------------------------
char AT91F_DBGU_Getc(void)
{
	while (!AT91F_US_RxReady((AT91PS_USART)AT91C_BASE_DBGU));
	return AT91F_US_GetChar((AT91PS_USART) AT91C_BASE_DBGU);
}

//* RTC PCF8563 TEST
//* Meterchen(CHENMENG) 20041200
int main()
{
	unsigned int tick;
	int i, flag=0;	


#if 1
	
//* RTC test

	AT91F_TWI_CfgPIO ();
	AT91F_PIO_CfgOpendrain(AT91C_BASE_PIOA, (unsigned int) AT91C_PA25_TWD);

	// Configure PMC by enabling TWI clock
	AT91F_TWI_CfgPMC ();

	// Configure TWI in master mode
	AT91F_TWI_Configure (AT91C_BASE_TWI);
		
	// Set TWI Clock Waveform Generator Register	
	AT91F_SetTwiClock(AT91C_BASE_TWI);

	AT91F_DBGU_Printk("TWI ready\n\r");
	
	{
		struct rtc_time tmp;
		char buf[64];
		int i;
	#if 1	
		tmp.tm_year = 2004;
		tmp.tm_mon = 7;
		tmp.tm_mday = 3;
		tmp.tm_wday = 6;
		tmp.tm_hour = 21;
		tmp.tm_min = 17;
		RTC_Set(&tmp);
	#endif	  
		while(1)
		{
			RTC_Get(&tmp);
			sprintf(buf,  "Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n\r",
				tmp.tm_year, tmp.tm_mon, tmp.tm_mday, tmp.tm_wday,
				tmp.tm_hour, tmp.tm_min, tmp.tm_sec);
		
			/* output through COM0 */
			AT91F_DBGU_Printk(buf);
		
			/* sleep 10s */
			for(i=0; i<200000; i++);
			
			if(AT91F_US_RxReady((AT91PS_USART)AT91C_BASE_DBGU))
			{	
				if( (AT91F_US_GetChar((AT91PS_USART)AT91C_BASE_DBGU)) == 'q')
					break;
			}	
		}
	}

#endif 
}