GSM Gateway (router) - Reverse engineering

We own a few GSM Gateways and we would like to be able to send AT commands directly to the GSM module. The only way to do that is using UART from the ARM11 Chip to GSM module.

The embedded busybox includes microcom to which we have access.

For this project, it requires some reverse engineering skills in Linux embedded system.

It's a little more complicate because the embedded ARM communicates to GSM modules trough FGPA chip. So what we probably need first is to find and read the UART connection between FPGA and ARM chip. We already have some decompiled code in which there is communication between the main ARM chip and GSM Module trough FPGA.

We can give you remote access directly to the device.

Evner: Indbygget Software, Linux

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Om arbejdsgiveren:
( 4 bedømmelser ) Antibes, Netherlands

Projekt ID: #13421410

9 freelancere byder i gennemsnit €1315 på dette job


Dear client, how are you? I am a C/C++ programmer and mathematician. Checked your post carefully. If you agree my bid price, I can consider this work. Please check my "Profile & Work List" and tell me details if my Flere

€9000 EUR in 60 dage
(7 bedømmelser)

Hi, My name is Mohamed I am an embedded software engineer with over years of experience in the field. While reading your offer, I couldn't help but to think I am your developer for this job. In fact, I am efficient i Flere

€694 EUR in 10 dage
(2 bedømmelser)

Hi, I am good in hardware, fpga, embedded linux, and reverse engineering. Please share the circuit schematic and fpga code if available. Do you have any user guide of the board? Regards, mastor

€250 EUR in 10 dage
(5 bedømmelser)

Hello, I have very strong skills in reverse engineering and I can do any RE work, but first I have to look at the binary, could you share the information (name of GSM Gateways) and firmware. Sergey

€555 EUR in 10 dage
(1 bedømmelse)

Hello, This is not something I can likely do within your stated budget. It is also a task best addressed by a local professional since access to the hardware is needed. If you can send it to Finland I can have a loo Flere

€600 EUR in 7 dage
(1 bedømmelse)
€205 EUR in 6 dage
(0 bedømmelser)

GSM-Gateway-router-Reverse-engineering Hello, This is not copy/paste message. I read your requirements. I am interested for this job. I have expertise in Wordpress, Laravel, Magento, AngularJS, Ruby on Rails, Flere

€155 EUR in 3 dage
(0 bedømmelser)
€222 EUR in 3 dage
(0 bedømmelser)

Hello! I'm very interested this task and I'd like to complete it! I well know Linux and how embedded systems works. I know how to use a debugging utils such as strace and well know C for Linux. Also I worked with GSM Flere

€200 EUR in 30 dage
(0 bedømmelser)

Dear madam or sir, I am interested in this job. If you wish please send me PM to discuss more. Thank you and best regards, Zoran

€155 EUR in 3 dage
(0 bedømmelser)