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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; } } |
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RTC in LPC2106
Started by ●January 6, 2005
Reply by ●January 7, 20052005-01-07
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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 , "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; > } > } |
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Reply by ●January 8, 20052005-01-08
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Ups... I didn't do that... how can I set it up, if I have a PCLK and CCLK of 60Mhz? Thanks Ezequiel --- In , "lpc_bavaria" <lpc_bavaria@y...> wrote: > > 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 , "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; > > } > > } |
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Reply by ●January 9, 20052005-01-09
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Hi Ezequiel, you find the formulas in the User Manual (Chapter 15, Reference clock divider). For a 60 MHz PCLK you obtain: RTC_PREINT = int( 60e6/32768 ) - 1 = 1830 RTC_PREFRAC = 60e6 - ((1830 + 1) * 32768) = 1792 For the widely used 14.7456 MHz crystal, where you can set CCLK and PCLK to 58.9824 MHz, you obtain RTC_PREINT99, RTC_PREFRAC=0 Cheers, Rolf --- acetoel <> wrote: > > Ups... I didn't do that... how can I set it up, if I > have a PCLK and > CCLK of 60Mhz? > Thanks > Ezequiel > > --- In , "lpc_bavaria" > <lpc_bavaria@y...> wrote: > > > > 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 , "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; > > > } > > > } > > __________________________________________________ |
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Reply by ●January 10, 20052005-01-10
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This looks like the code from our Beta compiler's AppBuilder? If so,
the next release has that fixed... >--- acetoel <> wrote: > > > > > Ups... I didn't do that... how can I set it up, if I > > have a PCLK and > > CCLK of 60Mhz? > > Thanks > > Ezequiel > // richard (This email is for mailing lists. To reach me directly, please use richard at imagecraft.com) |
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Reply by ●January 11, 20052005-01-11
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In fact, I'm testing some of my GCC code with the beta of Imagecraft. And also using the AppBuilder. This is the first bug I found in ICC ARM. The AppBuilder doesn't set the RTC Clock. See you Ezequiel --- In , Richard <richard-lists@i...> wrote: > This looks like the code from our Beta compiler's AppBuilder? If so, the > next release has that fixed... > > >--- acetoel <acetoel@y...> wrote: > > > > > > > > Ups... I didn't do that... how can I set it up, if I > > > have a PCLK and > > > CCLK of 60Mhz? > > > Thanks > > > Ezequiel > > > > > > > > > // richard (This email is for mailing lists. To reach me directly, please > use richard at imagecraft.com) |
