Lpc2000

Hi Ezequiel,

have you set the prescaler registers RTC_PREINT and RTC_PREFRAC to
divide down your pclk to 32.768 kHz?

Cheers,
Rolf


--- In lpc2000@yahoogroups.com, "acetoel" <acetoel@y...> wrote:
> 
> Hello, I have set up the RTC and make a simple program to test it. But
> it doesn't work! Here is the code... on the PC (connected to the
> serial port) I always view the same time 19:8:51
> Thanks
> Ezequiel
> 
> #include "LPC210x.h"
> #include "Init.h"	
> #include "UART.h"
> #include "Delayus.h"
> 
> #define  Boton 0x80000000
> #define  LED1  0x10000000
> #define  LED2  0x20000000
> #define  LED3  0x40000000
> 
> UInt8  contador;
> UInt16 Counter2;
> UInt32 Hour,Min,Sec;
> 
> 
> int main (void) 
> {	
> 	/*Initialize the system*/
>  InitLPC2106();
>  InitCom();		//115200 bauds
>  IODIR=0x70000000;
>  IOCLR=0x70000000;
> 	
>  RTC_CCR=0;
>  RTC_CIIR=0x00000000;
>  RTC_AMR=0x00000000;
>  //real date time setting
>  RTC_SEC=0x00000033;
>  RTC_MIN=0x00000008;
>  RTC_HOUR=0x00000013;
>  RTC_DOM=0x00000006;
>  RTC_DOW=0x00000004;
>  RTC_DOY=0x00000004;
>  RTC_MONTH=0x00000001;
>  RTC_YEAR=0x000007D5;
>  //alarm setting
>  RTC_ALSEC=0x00000001;
>  RTC_ALMIN=0x00000001;
>  RTC_ALHOUR=0x00000001;
>  RTC_ALDOM=0x00000001;
>  RTC_ALDOW=0x00000001;
>  RTC_ALDOY=0x00000001;
>  RTC_ALMON=0x00000001;
>  RTC_ALYEAR=0x000007D0;
>  //start rtc
>  RTC_CCR=0x00000001;
> 	
> 	contador=0x00;
> 	IOSET = LED2;
> 	IOSET = LED3;
> 	printf ("Ezequiel L. Acetp %c%c",'\n','\r');
> 	//printf("Ezequiel L. Aceto\n");
> 	//printf("Sunixs Microsystems\n");
> 	while(1)
> 	{
> 	  IOSET = LED1;
> 	  delayus(1000); //0.5 Sec delay
> 	  IOCLR = LED1;
> 	  delayus(1000);
> 	  Hour = RTC_HOUR;
> 	  Min  = RTC_MIN;
> 	  Sec  = RTC_SEC;
> 	  printf("%2d : %2d : %2d  ",Hour, Min, Sec,'\n','\r');
> 	  Hour = 0x00;
> 	  Min  = 0x00;
> 	  Sec  = 0x00;
> 	}
> }