maemo.org - Talk - View Single Post - [Announce] SMScon (control your device with SMS)

	NerdKnight	2010-10-26 , 19:15
	Posts: 113 \| Thanked: 334 times \| Joined on Oct 2010 @ Argentina	#435

Originally Posted by digitalvoid

@ NerdKnight:

I didn't develop the SMSreceive code myself (It found it on maemo.org).

Could you explain to more?

In The Netherlands we use a 10 digit number: 06-12345678 (locally used, 06 is prefix for mobile number)

In international format this is: 0031-612345678 or +31-612345678

In Argentine we use 10 digits too, but if the sender's number length change (international numbers or send-free-sms webpages) will not work.
Here is the full specifications of the PDU messages:
http://www.dreamfabric.com/sms/
It seems that the tree first parts are not used on n900, so at 2nd. position in the array is the length of the senders number (in decimal digits, 2 digits per octet)

Code:

n=int(PDUmessage[1])

so we can calculate the starting position of the message as follow:

Code:

n=n//2+n%2+13

13 are the fixed positions before the message and we have to add the length in octets of the sender's number.
To support different sender number lengths, I suggest the function should be like this:

Code:

def SMSreceive(PDUmessage, MessageCenter, SomeString, Number):
    """
    Receive SMS command and execute command.
    """
    n=int(PDUmessage[1])
    n=n//2+n%2+13
    MessageArray  = PDUmessage[n:len(PDUmessage)]

    Message = DeOctifyMessage(MessageArray) # decode sms message as plain text

    ProcessCommand(Message, Number) # process sms command

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