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SIM300 receiving data - reading message question

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amitmanocha78

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reading message +sim300

I'm trying to achieve following interaction using C program:

AT
OK
AT+CMGF=1
OK
AT+CMGL="ALL"
<all messages>

I'm able to receive all the messages using hyper terminal. When I do it using C program, I've to do multiple reads to read all the messages. After the last message, reading blocks because there is nothing more to read. What is the right way to read i.e how do I know - when to stop reading. Secondly, is there any event based mechanism for reading?

Thanks
Amit
 

receiving data from sim300

U should save the data in a data arrey & the read it
or use other tabs of at+cmgl like
read rec & etc
 

how data is read by sim300

how r at commands converted to IRA Character set?? as i knw tat my sim300 reads data n ira format...
if dere is any othrway 2 convert at commands to machine level language
plplplpl
i realy need hlp
 

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