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| author | Josh Blum <josh@joshknows.com> | 2011-05-01 15:42:32 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-05-01 15:42:32 -0700 |
| commit | e75919bc9e1cb1b5f8f69b5a5aabed9b3a1a53d9 (patch) | |
| tree | 861b82a27b20e715aa81138baf26f4acd54f9895 /host/docs/coding.rst | |
| parent | 11e856ebca352af1b0444aec6d57ea61c0b48037 (diff) | |
| download | uhd-e75919bc9e1cb1b5f8f69b5a5aabed9b3a1a53d9.tar.gz uhd-e75919bc9e1cb1b5f8f69b5a5aabed9b3a1a53d9.tar.bz2 uhd-e75919bc9e1cb1b5f8f69b5a5aabed9b3a1a53d9.zip | |
usrp2: added the concept of device locking to usrp2/nseries devices
Each iface instance can lock itself to a particular device.
When the device is locked, it cannot be discovered through find.
Locking works by having a lock thread periodically update
a register in the firmware that says when the device was last locked.
The find routine can determine if a device is locked by checking
the difference between the current time and this register.
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