12.02.2016

Suche dringend Freelancer für HH für sofort

Bluetooth/BLE Developer

– BCM20736 practical expertise

– WICED SDK

– GattDB definitions

– Low-Power / Sleep modes

Field of Work:

– Standard C Application available (as draft)

– APP is controlling device via BLE

– authentication

– send commands and requests for data to main CPU

– also sends large data packets (firmware update 400kbyte)

– Data payload received via UART from main CPU

– streaming data to be sent -> BLE (32byte every 100ms)

– answer with requested data packets

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Lo-Level BLE Developer

– ArmCortex knowhow – ideal ST32L476

– IAP (in Application programming) – Use Dual bank for firmware update

– Bootloader expertise (secure flashing / brick-safe)

– CRC checking of data

– programming in Standard C  (not c++)

– gnu arm-non-eabi toolchain

Field of work:

– Reception of FW via BLE / UART

– assurance of correct reception / missing packets

– writing new firmware to inactive Bank

– reprogram / alias to new firmware addresses on next reboot

– switch back possibility

Bitte PN hier an mich!

CV / Profil an mail@berndhaensch.de mit Stundensatz und Verfügbarkeit!