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Experienced Firmware Developer needed for code adjustments (nrf52 / ARM mbedOS / C++)

For my mp3 player project based on the nrf52840 (on a custom board) and mbedOS I need your help with the following code changes/adjustments that I would like to make:

- Adjustments for touch gestures (mainly interface communication task)

- Implementing charging and low battery logic

- create logs & records and save on the devices SD card

- low power adjustments (see attached document)

- pull files from the devices SD card via BLE (pushing files/read GATT service via BLE already in place)

- Enable Write Encryption for user content (mp3 files) and logs/records on SD card (read decryption already developed and working)

- help with the development/implementation of an application logic

- changing the gyro from MPU9250 to LSM6DSOX (library/driver for mbedOS exists but I2C need to be adjusted)

Please see the attached PDF for more details on each of the topics.

The current (existing) code is working and can be compiled using mbed CLI on mbedOS 5.15. For debugging the custom board is connected to a J-Link and print outs are done using Segger RTT. As the custom board is a prototype, I cannot ship it out for testing but I can either do remote testing and happy to assist 150% with answering all questions and provide proper feedback on testing and/or grant access via e.g. Teamviewer.

Happy to discuss all questions. Thank you for taking the time and read through this.

Taidot: Mikrocontroller, C++ -ohjelmointi, Firmware, Sulautetut ohjelmistot, Embedded Systems

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Tietoa työnantajasta:
( 3 arvostelua ) Berlin, Germany

Projektin tunnus: #25567656

24 freelanceria on tarjonnut keskimäärin 1438€ tähän työhön

sagradoamicus

Hi I am experienced electronics engineer with more than 15 years of experience in circuit and PCB design . I have read the details and would like to know more about the project. please get in touch to discuss it furt Lisää

€1125 EUR 7 päivässä
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6.8
noumanmehtab86

We have develop system with accelero/gyro and magneto on nordic52XXX on keil mdk we can have discussion Hi we are a professional team of experience professional serving to industry ,defense and as a freelancing will to Lisää

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5.9
AwaisChaudhry

Hey there, I have 4 years of working experience in web technologies and I have a strong working knowledge of every possible framework which is in the market. In terms of client-end I know: Embedded Software, Firmware, Lisää

€1500 EUR 23 päivässä
(9 arvostelua)
5.8
websat13

hello i have read your project description and i am interested on it. i have worked with NRF52 bt modules in previous project ( NRF52832 ). the only problem with your work is the program testing as you can not provid Lisää

€1400 EUR 50 päivässä
(43 arvostelua)
5.7
vtlabs

Hi I'm an Electronic Engineer (Honours degree level) with almost 5 years experience developing embedded systems. I'm also an Automation engineer with a Rockwell Automation Certificate, you can learn more about me from Lisää

€1500 EUR 14 päivässä
(27 arvostelua)
5.8
saygins

Hello, How are you? Thanks for posting this project. I did read your detail carefully. I am very interested in your project. I have expertise in firmware development on various MCUs with different peripherals, sensors, Lisää

€1500 EUR 30 päivässä
(9 arvostelua)
4.6
Darwish001

I CAN COMPLETE YOUR PROJECT EASILY Hello, I am programmer with enough experiences on C/C++ for 13 years. C/C++ is nice programming language and I am majoring on it for long years so I have confident to complete your pr Lisää

€1200 EUR 7 päivässä
(2 arvostelua)
4.5
binyameen441

Hi,Hope you are doing well! I’ve read and understood your project description about" " Thanks for sharing your project requirement. It will be our great pleasure to work on your project. I have checked your requiremen Lisää

€800 EUR 7 päivässä
(17 arvostelua)
4.6
romerorichard15

Hello, thank you for your job posting. I am a senior electrical engineer. I have plenty of experience in firmware development and micro-controller developments. I can write the firmware based on Arduino, Raspberry Pi, Lisää

€1500 EUR 10 päivässä
(3 arvostelua)
4.7
SIVILAY88

Hi, I can adjust your mp3 player project. I'm familiar with nrf52840 and mbedOS. I'm a C#.NET/C++/JAVA professional developer. I have read your project description carefully. I'm very interested in your project. I gua Lisää

€1200 EUR 10 päivässä
(3 arvostelua)
4.3
dejanzivkovic93

Hi, I read your requirement carefully. I understood your suggestion and can satisfy you enough. I'm very interested in your project. I read your job post, It's just right for me. I have a lot of experience in nrf52 Lisää

€1000 EUR 10 päivässä
(3 arvostelua)
3.7
verdure823

Hi. I have many experiences for raspberry pi/Arduino and C/Python and have also raspberry pi/Arduino board I have the solid experience in embedded development and PCB using Allegro, Altium and Eagle for 10+ years. F Lisää

€1125 EUR 7 päivässä
(2 arvostelua)
3.5
Irland

Hello I am David, a firmware and hardware engineer. Well, I have developed nRF52840 and MSP430F5995 firmware and hardware. SO, I have checked your tasks so that I can do your task successfully. Well, because you can no Lisää

€3000 EUR 20 päivässä
(2 arvostelua)
3.3
mz1

Hello, I am expert in Java and C/C++. I wrote a JMP3Player in Java [login to view URL] in Fmod library. Regards Relevant Skills and Experience Hello, I was Fmod4P Lisää

€1250 EUR 20 päivässä
(3 arvostelua)
3.2
doggar302

Respected Employer! Pleased to see the job posting I have reviewed the details that you provided and have also worked on similar kind of projects. I have a good experience and skills in the Microcontroller Embedded Sof Lisää

€1200 EUR 15 päivässä
(2 arvostelua)
2.9
andreykuptsov69

I'm a software/hardware engineer with 10+ years experience and high skills. - PCB design/manufacturing using Altium Designer - Remote sensor/control network system - Arduino & Atemga programming - RF Wireless communic Lisää

€1500 EUR 30 päivässä
(2 arvostelua)
2.5
johnkaleke

Hello There! I have gone through your project description ,and I can confirm that i can deliver it as expected. I have an extensive experience programming with excellent in: *******PHP,JAVA,PYTHON/Django ,C,C#,C++ *** Lisää

€1000 EUR 15 päivässä
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0.3
Ytterate

Hello, my name is Alex Cole, and I've been working with embedded systems for over 10 years now. I've previously worked for Microsoft and Broadcom, the latter specifically in embedded driver development, and have devel Lisää

€1410 EUR 14 päivässä
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0.3
xxemre

I worked on several projects including ESP8266, Atmel AVR ATMega328P microprocessor and Arduino, using C++ and Atmel Studio. I communicated with devices over I2C, SPI, UART and OneWire interface of the microcontroller. Lisää

€2750 EUR 30 päivässä
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4.1
ayesha0124

Hi, I saw that you need help with Embedded Software, Embedded Systems, Microcontroller, C++ Programming and Firmware. I have 6 years of experience working on these frameworks. I believe I can help you with it. I would Lisää

€1500 EUR 22 päivässä
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0.0