![]() The discussed microcontroller has : Renesas microcontroller The main integrated circuit is the Renesas PD70F3796 microcontroller. As a result, Medtronic 630G / 640G pumps may not be suitable for OpenAPS solutions Hardware Overview, what I have discovered Front Unfortunately, the possibility of remotely changing the base level has not been discovered. ![]() We need to figure out how the AES key is generated by the firmware to figure out how to connect our own custom radios to the pump. So with a CNL24 alone, we can read Medtronic CGM and pump settings over USB, but if we want to loop with the pumps, we have to get direct over the air access. The current issue at hand, is that the CNL24's USB layer appears to block writing actions, and only supports reading. A good portion of the protocol is already discovered by Pazaan on his repo at. The OTA protocol layer is 802.15.4 spec, and pretty sure its ZigBee. Microcontroller reading via dabug connector.Attempt to read flash memory from MX25L1606-8006E_DS_EN.This repository will guide you through the next steps: Since then, no significant success has been achieved.Attempt to read the Firmware of the Ti cc2430 ZigBee radio.Dissasemble CNL24 and identify chipsets onboard.Steps currently taken in the reversing project: Hardware Overview, what I have discovered.This knowledge, combined with Pazaan and Bal00 past achievements, should drive the project forward. ![]() It includes my analysis of CNL connections and test point leads. This repository is part of a reverse engineering project to understand the communication process between Medtronic 630G / 640G / 670G pumps and Contour Next Link 2.4 blood glucose meter and Medtronic compatible equipment. Reversing Engineering the Contour Next Link 2.4
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