[Hackrf-dev] Swtiching between external & internal clock

[Wang Kang]

Currently, clock switching detection is automatically done at the beginning of the main loop of HackRF's firmware code. 

And you cannot execute hackrf_si5351c while HackRF is running, because HackRF is occupied. It's only some kind of a debug tool. 

But there is possibility to add a new command line switch for HackRF's driver and firmware so that you can specify the reference clock source manually. 


> 在 2015年12月29日，下午2:47，xun wang <xun911 at gmail.com> 写道：
> 
> Hi,
> I’ve upgraded the clock of the HackRF One by embedding a 0.28ppm TCXO to the board, it’s been working great and I like it that it fits into the HackRF One exclosure and has no need for any external power. 
> I’m wondering if it’s also possible to switch between the external & internal clock using the “hackrf_si5351c -w” flag? Maybe something like "hackrf_si5351c -n 0 -w 0x51” & “... -w 0x01”? (sorry I’m completely guessing here!)
> 
> Please let me know if this is possible without physically detaching the clock from the board. thank you!
> 
> Xun
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