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Modify Linux drivers for FPGA based MEI bill validator for use on Raspberry pi over USB

We are in need of an experienced developer to help us modify existing drivers based on Java to communicate with a FPGA based Bill validator from a Raspberry pi over USB.

We previously modified existing java files to communicate with a bill validator that we later found out was using an old PSD based chip, whereas the new devices are based on FPGA chips. Our old code does not communicate with these newer devices and we need help modifying the drivers to enable them to communicate. We are using a raspberry pi (raspian) to control the device. Existing Java drivers for RedHat exist and may be useful to modify for the raspberry.

I have included the below files that may be useful in completing this project.

Linux [login to view URL]: These are the existing ReHat drivers

[login to view URL]: Install guide for redhat drivers

Linux Virtual COM Port (VCP) Driver [login to view URL]: Guide to modify drivers for virtual com port.

002850046_Series 2000 Interface Manual: Interface manual for bill validator.

[login to view URL]: This is a folder including Javadocs, API, Demo, and source code as well as support files.

[login to view URL]: Similar files to the [login to view URL] with some differences. My expertise does not allow me to verify which is newer or more useful so I included both.

[login to view URL]: These are the files used to develop the Java doc that controlled the older bill validator. These may be useful in understanding what the end product may look like.

Connection to the device will most likely need to be done over SSH as I have the devices connected to the raspberry pi running the OS that we will be using. I will make myself avialable as often as possible to help wit testing and troubleshooting the physical hardware.

Please contact me with any question as there may be details that I have left out that could be useful.

thank you in advance for your help.

I've gathered a bit more information regarding the microcontrollers used on the validator. As well I've added documentation on the USB>UART converter that is being used to connect the raspberry Pi to the validator.

USB-UART drivers: https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
USB-UART controller: https://www.silabs.com/products/interface/usb-bridges/usbxpress-usb-bridges

The device does have a microcontroller on it that can be recognized but I have no way to know what functions are being controlled by it.
https://www.mouser.com/ds/2/302/M68HC11E-1126497.pdf

Fähigkeiten: Eingebettete Software, FPGA, Java, Linux, Raspberry Pi

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Über den Arbeitgeber:
( 6 Bewertungen ) Salt Lake City, United States

Projekt-ID: #16476476

10 Freelancer bieten im Durchschnitt $1124 für diesen Job

super2lao

You think , I will do it with full of your IDEA! I believe that my 9+ years of programming experience makes me highly qualified for this project. I believe that I would be an asset to this project. Relevant Skills: Em Mehr

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kalyanprakash4

Keen to do this, please discuss, negotiable price and duration....................................................................................................................................................

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ciroland

Hi, I have waited so long before bidding on this project because I wanted to see if I was able to modify the Usb Serial driver (cp210x.c) on Raspbian as specified in your file: "Linux Virtual COM Port (VCP) Driver Modi Mehr

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chazz29

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andreird129

Hello. How are you? I am very interested to your project. I have develop team. We have high skill. We can help you. Lets discuss via chatting.

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AzzkaNoor

I am a profound developer and am happy say that your project details fall under my expertise. There are few doubts to clear before we start the development process, waiting for your response. I am excited to showcase Mehr

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