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Interface GPRS module with ATSAME54P20A with PPP protocol, IoT project

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Karolina_1

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Dear friends, I want to interface GPRS module(Quectel UG95) with ATSAME54P20A microcontroller using PPP protocol (compiler is AtmelStudio 7) for data communications. I completed until packet interaction and now I dont know how to do packet interaction, more specifically LCP negotiations, AUTH negotiations, IPCP negotiations. Can you help me to complete this part? I want microcontroller to get IP and DSN and start data transmisson. Some useful materials are given in the links below.

**broken link removed** //PPP protocol
https://dl.btc.pl/kamami_wa/ug95_atcm.pdf //AT commands
https://www.sigmaelectronica.net/manuals/Quectel_UG95_Hardware_Design_V1.5.pdf //harware design
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