Where is RTC?

[adriano2]

Posted on December 09, 2004 at 05:52

Where is RTC?

[adriano2]

Posted on December 06, 2004 at 12:20

Dear All,

I face with a strange thing. Starting in order: I'm using a STR710 Eval Board with ''ARM RealView Developer Kit for ST v1.0''. Now, by using the RTC and by debugging it, I found a strange behavior:

1) I made this structure:

typedef volatile struct

{

u16 CRH;

u16 EMPTY1;

u16 CRL;

u16 EMPTY2;

u16 PRLH;

u16 EMPTY3;

u16 PRLL;

u16 EMPTY4;

u16 DIVH;

u16 EMPTY5;

u16 DIVL;

u16 EMPTY6;

u16 CNTH;

u16 EMPTY7;

u16 CNTL;

u16 EMPTY8;

u16 ALRH;

u16 EMPTY9;

u16 ALRL;

} RTC_TypeDef;

#define RTC_BASE 0xE000D000

#define pRTC ((RTC_TypeDef *)RTC_BASE)

2) I tried to read CRL and I receive a value that is different from that showed in Register Pane.

3) With different trials, I discovered that this register pane is linked with ''Connection Properties'' and in particular with BCD files. And this one contain a series of error:

...

}:Peripherals.RTC={

base=M_RTC:description=''Real Time Clock'':Register.RTC_CRH={

start=0xE000C000:length=4:gui_name=''Data'':bit_fields.SEN={

...

This means that it shows value at E000C000 and not at E000D000.

Final) And now, I ask you, are there other things to consider? EIC, WatchDog appear also shifted by 4K.

Thank a lot!

[marcus23]

Posted on December 08, 2004 at 03:49

Hey Genius,

I also faced this problem. The register locations for the UARTs are also wrong in the BCD-files. The only thing you can do is to change these entries by hand.

Marcus