Data Links - SiK Radio

SiK radio is a collection of firmware and tools for telemetry radios.

The hardware for the SiK radio can be obtained from various stores.

Vendors

• 3DR Radio (small) - US (915MHz) / European (433MHz)
• HK Radio (small)
• RFD900u (small)
• RFD900 (long range)

Build Instructions

The PX4 toolchain does not install the required 8051 compiler by default.

Mac OS

Install the toolchain

brew install sdcc

build the image for the standard SiK Radio / 3DR Radio:

git clone https://github.com/LorenzMeier/SiK.git
cd SiK/Firmware
make install

upload it to the radio (change the serial port name):

tools/uploader.py --port /dev/tty.usbserial-CHANGETHIS dst/radio~hm_trp.ihx

Configuration Instructions

The radio supports AT commands for configuration.

screen /dev/tty.usbserial-CHANGETHIS 57600 8N1

Then start command mode:

Note DO NOT TYPE ANYTHING ONE SECOND BEFORE AND AFTER

+++

List the current settings:

ATI5

Then set the net ID, write settings and reboot radio:

ATS3=55
AT&W
ATZ

Note You might have to power-cycle the radio to connect it to the 2nd radio