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[SOLVED] C8051F330 Sending SMS

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Qrios

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I am making a project which will use the SILICON LABORATORIES IDE to program C8051F330 to send a sms to a number through a GSM modem. The program will send instructions through MAX232 so that the GSM modem(serial port RS232) is able to understand the program. When I press a button( in the circuit ), it will send the sms. However, I have very limited understanding on the program as it's the 1st time I am doing this. Can anybody send me the codes to do this?
If you need any other information, please pm me.
 
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how can we help you if not know what type of modem you have?

here is some example:
**broken link removed**
instead of classic 8051 series to C8051F330 is very litle difference.....
use datasheet of F330 and datasheet of modem and all will be clear very quick!
 
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    Qrios

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The Modem model I'm using is WAVECOM Q2403A. https://rainbow.com.ua/upload/files/modemi/Q2403_Spec.pdf .This is the datasheet of the Modem.

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I'm using Silicon Laboratories IDE C compiler. (?ASlink-Warning-Undefined Global '_putchar' referenced by module 'puts') This is the error I got from the compiler.
 
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