Adding GPRS support for hardware platform based on Dallas/Maxim DS80C400 CPU and MC55i GPRS modem.
The platform is running and stable, and includes many software modules and libraries.
We only need to add GPRS support in parallel to the existing Ethernet IP stack (using the Dallas/Maxim RTOS and C libraries).
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Dear sir, I have done a very similar project. I wrote a TTY driver and used PPP client on Linux to establish a PPP connection. This was using a MC55I GPRS/GSM module.