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Diffstat (limited to 'host/docs/identification.rst')
| -rw-r--r-- | host/docs/identification.rst | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/host/docs/identification.rst b/host/docs/identification.rst index 49d36ec1a..90484744c 100644 --- a/host/docs/identification.rst +++ b/host/docs/identification.rst @@ -7,20 +7,36 @@ UHD - Device Identification Notes ------------------------------------------------------------------------ Identifying USRPs ------------------------------------------------------------------------ -Every device has several ways of identifying it on the host system: +Devices are addressed through key/value string pairs. +These string pairs can be used to narrow down the search for a specific device or group of devices. +Most UHD utility applications and examples have a --args parameter that takes a device address; +where the device address is expressed as a delimited string. +See the documentation in types/device_addr.hpp for reference. -* **Serial:** A globally unique identifier. -* **Address:** A unique identifier on a network. -* **Name:** An optional user-set identifier. +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Common device identifiers +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Every device has several ways of identifying it on the host system: -The address is only applicable for network-based devices. -See the USRP2 application notes. ++------------+------------+--------------------------------------------+ +| Identifier | Key | Notes | ++============+============+============================================+ +| Serial | serial | globally unique identifier | ++------------+------------+--------------------------------------------+ +| Address | addr | unique identifier on a network | ++------------+------------+--------------------------------------------+ +| Name | name | optional user-set identifier | ++------------+------------+--------------------------------------------+ +| Type | type | hardware series identifier | ++------------+------------+--------------------------------------------+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Device discovery via command line ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -A "find devices" utility application comes bundled with the UHD. -The find devices application will search for all devices on the host system and print the results. +Devices attached to your system can be discovered using the "uhd_find_devices" program. +The find devices program scans your system for supported devices and prints +out an enumerated list of discovered devices and their addresses. +The list of discovered devices can be narrowed down by specifying device address args. :: @@ -60,6 +76,18 @@ The hint argument can be populated to narrow the scope of the search. hint["serial"] = "12345678"; uhd::device_addrs_t dev_addrs = uhd::device::find(hint); +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Device properties +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Properties of devices attached to your system can be probed with the "uhd_usrp_probe" program. +The usrp probe program constructs an instance of the device and prints out its properties; +properties such as detected daughter-boards, frequency range, gain ranges, etc... + +**Usage:** +:: + + uhd_usrp_probe --args <device-specific-address-args> + ------------------------------------------------------------------------ Naming a USRP ------------------------------------------------------------------------ |