What do you need:
- two CC1310 LaunchPads Out of Box
- A serial communication program (PuTTY or your personal favourite)
You can test the reception strength of the CC1310 radio straight away after you pulled the devices out of the box.
This exercise works with the pre-loaded firmware.
You'll learn the range and the possibilities of the radios by trying this out from different locations in and out your lab.
Setting things up
If you have a Code Composer Studio installation, you will have the right USB drivers.
Plug in both LaunchPads, and check the serial port that's assigned to them.
You'll know how to do that for your operating system. Here' how it looks like on my localised Windows 10.
(you don't have to do this from one pc. This also works when each LaunchPad is attached to a different computer)
Fire up your serial communication program. If you don't have one installed, PuTTY is a possible option.
There is also a Terminal view available in CCS.
Set up communication as 115200 baud, 8 data bits, 1 stop, no parity, no flow control.
Select the first COM port.
Press the Reset button on top of one of the LaunchPads.
If nothing happens in the Terminal, press the Reset on the other one.
The one that reacts will be your TX device for today.
Click either button 1 or 2 to get a menu
Push button 2 until you are on the Mode line.
Press the left button to go select TX
Now start a second terminal program, and connect to the second serial port.
Push the Reset of the other launchpad. This one will become the receiver.
Press any button to go to the menu. This one is already in receive mode, so we don't have to change that.
Use the button 2 to navigate to Start, and press Button 1 to activate the receiving device.
It's now waiting for traffic.
Start the Communication
We're ready now to test the traffic.
Return to your first Terminal session. The one where you set the device to TX.
Use button 2 to navigate to Start
Each time you press Button 1, the device will transmit 10 packets.
In the receiver's terminal, you can see the count of received packages increase.
You'll also get an indication of the signal's strength. Keep pushing that button 1 of the transmitter, and the count will keep going up.
Try this exercise from different locations in your house, garden, neighbourhood, to appreciate the range of sub-1 GHz.
What if you have overwritten the Out-of-Box firmware
If you want to re-load the Out-of-Box firmware (the project will be included in the next TI-RTOS release, but currently unavailable), you can do that by: