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HOW TO INTERFACE WAVECOM MODEM WITH ARM7TDMIS??
The Wavecom modem (or any other modem, for that matter) neither knows nor cares what is connected to it - the interface works as defined in the modem Manual irrespective of whether you connect it to a PC, an ARM, an 8051, a dumb terminal, or anything else!
So see these threads: http://www.keil.com/forum/docs/thread8582.asp http://www.keil.com/forum/docs/thread8510.asp
You will also need the Wavecom AT Commands Manual - from Wavecom.
Similarly, as far as serial IO is concerned, the ARM neither knows nor cares what is connected to its UART - so the serial comms part of this no different from any other serial comms project...
You do realise that Wavecom has a specific feature that allows you to run your embedded application within the modem - thus obviating the need for an external microcontroller:
">www.wavecom.com/.../index.php fuseAction=page&rubric=WMOpenATSoftSuite&article=WMOpenATSoftSuite