how can i use a single usart for gps and gsm simultaneously

how can i use a single usart for gps and gsm simultaneously#112413

By sravani - Thu Oct 28, 2010 11:40 pm

- Thu Oct 28, 2010 11:40 pm #112413

hai...

we working with position tracking and sending it to a mobile with the help of gsm modem.

we could manage to send sms from the gsm modem and we managed to get the values of the latitude and longitude and other details from gps seperately these two projects are working and now, we tried to interface both the things i mean to say receive the values from gps and send to a mobile through gsm modem.
I am working with ATMEGA 2560 with GPS AND GSM MODEM.

so please help me

Re: how can i use a single usart for gps and gsm simultaneously#112433

By Liencouer - Fri Oct 29, 2010 9:55 am

- Fri Oct 29, 2010 9:55 am #112433

The easy answer might be that the M2560 has 4 usarts; simply don't put both devices on the same usart.

You might also take a look at http://www.avrfreaks.net/index.php?name ... 49&start=0.

Re: how can i use a single usart for gps and gsm simultaneously#112437

By leon_heller - Fri Oct 29, 2010 11:15 am

- Fri Oct 29, 2010 11:15 am #112437

He's already tried AVR Freaks with the same question, but didn't like the answers he got:

http://www.avrfreaks.net/index.php?name ... ic&t=99586

Leon Heller
G1HSM

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