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Add a simpler way to check CLKIN status.

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Martin Ling
2022-08-05 09:17:32 +01:00
parent 01e0702013
commit ba148ee047
7 changed files with 70 additions and 5 deletions
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docs/source/external_clock_interface.rst
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@@ -8,4 +8,4 @@ The CLKIN port on HackRF One is a high impedance input that expects a 0 V to 3 V
HackRF One uses CLKIN instead of the internal crystal when a clock signal is detected on CLKIN. The switch to or from CLKIN only happens when a transmit or receive operation begins.
To verify that a signal has been detected on CLKIN, use ``hackrf_debug --si5351c -n 0 -r``. The expected output with a clock detected is `[ 0] -> 0x01`. The expected output with no clock detected is `[ 0] -> 0x51`.
To verify that a signal has been detected on CLKIN, use ``hackrf_clock -i``. The expected output with a clock detected is `CLKIN status: clock signal detected`. The expected output with no clock detected is `CLKIN status: no clock signal detected`.