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CC1120 SPI communication with Arduino Uno

Other Parts Discussed in Thread: CC1120

Hello everyone

We are building a school project using the Performance Line Development Kit. We are using the CC1120 evaluation modules together with 2x Arduino Uno’s to wirelessly transmit and receive temperature data.

We developed code to send the data by having our first Arduino communicate through SPI with the CC1120 transmitter. We think the code works because we can measure a change at the antenna with an oscilloscope every time we transmit, we however lack the appropriate material to do an accurate measurement of this. We also measured the SPI communication at the send and receive side. But our CC1120 receiver/Arduino pair isn’t receiving any useful data. You can see pictures of this below.

We have read the design guide and searched the internet, but are unable to find a solution. Are there any guidelines or code examples available to help us with this project? Any help with this subject would be much appreciated.

The C-code for the transmitter is attached below.

Thank you.

Transmitter

Receiver

CC1120_arduino.C