Has anyone programmed Si4432 or similar chip?

Anything not related to STM32
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turboscrew
Posts: 44
Joined: Fri Mar 10, 2017 7:36 pm

Has anyone programmed Si4432 or similar chip?

Post by turboscrew » Thu Jul 27, 2017 11:50 pm

I wonder if someone knows about those chips or knows where to find more info about them.
There are the data sheets, the register description and demo code, but those don't exactly tell much about programming the chip.

Like in the demo code, there is:

Code: Select all

/*enable receiver chain*/
SpiWriteRegister(0x07, 0x05); //write 0x05 to the Operating Function Control 1 registe 
That is: setting both rxon and xton bits to '1'. Why?
What happens if I turn all the mode bits to '1'? There are no restrictions in the documents telling not to.
That is: txon, rxon, pllon and xton.

I guess the earlier chips work pretty much the same way, so if someone has seen some better explanations about older/other chips,
I'd like to know.

universam10
Posts: 19
Joined: Sun Jan 03, 2016 8:35 am
Location: Germany

Re: Has anyone programmed Si4432 or similar chip?

Post by universam10 » Fri Jul 28, 2017 11:10 am

Check out openLRSng project on Github, there is even an stm32 port out there.
You will need the datasheet though to follow what they are doing.

turboscrew
Posts: 44
Joined: Fri Mar 10, 2017 7:36 pm

Re: Has anyone programmed Si4432 or similar chip?

Post by turboscrew » Fri Jul 28, 2017 3:13 pm

I didn't seem to be able to find any radio HW sources in the openLRSng github repo. :oops:

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