[ARM] Nmea String extract date and time

[amsbhole07@gmail.com]

Hi ,

I am beginner in ARM 32 bit LPC1768

I am working on Nmea string .I am receiving string from GPS receiver format is GPZDA,hhmmss.ss,xx,xx,xxxx,xx,xx

I have extracted the data like and date and time and i have stored in separate buffer .

Now i want to synchronize with the RTC .I dont know how to synchronize it .

Please guide me

 

[embpic]

u want to set RTC time as GPS. Then just feed the data to RTC which data received from GPS. that again re initilize the rtc .

 

[amsbhole07@gmail.com]

u want to set RTC time as GPS. Then just feed the data to RTC which data received from GPS. that again re initilize the rtc .

Thanks for the reply,
I.e I have used following steps
Initialize rtc
Feed the rtc with the value which is extracted from nmea string
Rtc set time
Nvic rtc

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u want to set RTC time as GPS. Then just feed the data to RTC which data received from GPS. that again re initilize the rtc .

Also I want to check incoming string .if incoming string is not received for 5 sec then I have to show the blank data how do I check the strimg as it is recriving very fast

 

[amsbhole07]

Thanks for the reply,
I.e I have used following steps
Initialize rtc
Feed the rtc with the value which is extracted from nmea string
Rtc set time
Nvic rtc

thanks for the help RTC is working


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