Hi,
My aim is to configure the modem using UART ch.3
of sa-1110 and some gpio pins for handshaking, i have
taken due care that gpio's that i use are solely
general purpose.
I have configured DTR and RTS as output pins(seting
them as o/p direction in GPDR register) and since they
are active low signal cleared the same in GPCR
register. CTS and DSR being programmed as input pins.
I am sending AT commands for dialling over TxD_3.
Have i missed out anything??please let me know as
to how i can configure gpio-pins AND the procedure
followed for HANDSHAKING with a dialup modem(in either
data or voice modes).
regards,
pradeep
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