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Required Microcontroller Programming,RTOS,ARM Microcontrollers,BLE,Device Firmware freelancer for Develop firmware for nRF52 DK with FreeRTOS using Bluetooth job

Posted at - Jan 8, 2023


We need a basic foundation for a Bluetooth communication between a PC and a probable device with a nRF52832 chip. We use nRF52 DK from Nordic Semiconductors to start with.

Flowing need to be established on nRF52 (PCA10040):
  • RFCOMM protocol because it has save packet deliver.
  • FreeRTOS need to be setup to run with BT stack.
  • I2S DMA for both send and receive.
  • SPI DMA for both send and receive.
  • GCC Tool chain (c/c++) must be used.
  • nRF5 SDK v16.0.0 must be used.
  • Able to swap between Bluetooth standards 4.0, 4.1, 4.2 and 5.0

Following need to made for PC app and accessible from GUI:
  • Able to select probable device (nRF52 DK) for connecting.
  • Adjustable transmitting rate from PC to nRF52 DK going from 1 to 10 Kbit (random data)
  • Adjustable transmitting rate from nRF52 DK to PC going from 5 to 100 Kbit (random data)
  • Live charts showing RX and TX transmitting quality (Packets there need to be resend)
  • Able to save transmitting quality from charts to a CSV file.
  • Able to select used BLE protocol between 4.0, 4.1, 4.2 and 5.0

We have no skills in Bluetooth programming but have 30-years in MPU programming and 5-years in PC c# programming.

We need a detailed step by step instruction on how to setup the received material to establish the first connection and test.

We expect to revived the flowing thing:
  • Detailed step by step instruction on how to setup the received material to establish the first connection and test.
  • Compiled .exe file of the PC app
  • Compiled .HEX file of the firmware for nRF52 DK
  • All source codes for PC app
  • All source codes for firmware.

About the recuiterMember since Mar 14, 2020 Dov Lavi
from Bayern, Germany

Skills & Expertise Required

Microcontroller Programming RTOS ARM Microcontrollers BLE Device Firmware 

Candidate shortlisted and hired
Hiring open till - Feb 9, 2023

Work from Anywhere
40 hrs / week
Fixed Type
Remote Job
$239.89
Cost

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