Re: Help with mbus sq numbering

[BORBELY Zoltan]

Hi,

On Wed, Jun 05, 2002 at 07:50:33PM +0300, KarlisFreibergs wrote:
> I develope scurity aplication on AVR microcontroller and use
> nokia 5110
> trough mbus,im sucessfully send sms,call and work with
> memory,
> but when im use many commands one after one, nokia many
> times
> not respond vith ACK and ignore commands,or ignore my ACK's
> and 
> send all 3 packets,and this situation depends on sequence
> numbers
> that i use.The question is how to correctly nuber packets on
> MBUS.

Have you tried to avoid checksum value 0x1f? Look into the following
page: http://www.flosys.com/tdma

Bye,
Bozo