diff options
author | Nick Foster <nick@nerdnetworks.org> | 2010-09-15 14:58:44 -0700 |
---|---|---|
committer | Nick Foster <nick@nerdnetworks.org> | 2010-09-15 14:58:44 -0700 |
commit | ed245848df8cc011ae8fe30833ecc28049139db5 (patch) | |
tree | da03d37de541826df734e8ab87e0b6114595afc8 /host/docs/usrp1.rst | |
parent | 44ac4461407aae3e26b218a1ab1bd27f893c5e96 (diff) | |
parent | 72646d1960b0c979afec225e741d7d89a827c7d0 (diff) | |
download | uhd-ed245848df8cc011ae8fe30833ecc28049139db5.tar.gz uhd-ed245848df8cc011ae8fe30833ecc28049139db5.tar.bz2 uhd-ed245848df8cc011ae8fe30833ecc28049139db5.zip |
Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into usrp2p
Conflicts:
host/lib/usrp/usrp2/CMakeLists.txt
host/lib/usrp/usrp2/mboard_impl.cpp
host/lib/usrp/usrp2/usrp2_regs.hpp
Diffstat (limited to 'host/docs/usrp1.rst')
-rw-r--r-- | host/docs/usrp1.rst | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/host/docs/usrp1.rst b/host/docs/usrp1.rst new file mode 100644 index 000000000..3c1431d30 --- /dev/null +++ b/host/docs/usrp1.rst @@ -0,0 +1,115 @@ +======================================================================== +UHD - USRP1 Application Notes +======================================================================== + +.. contents:: Table of Contents + +------------------------------------------------------------------------ +Addressing the device +------------------------------------------------------------------------ +A USRP1 can be identified though its 8 digit serial number, +designated by the "serial" key in the device address. + +The device address string representation for a USRP1 with serial 12345678: + +:: + + serial=12345678 + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Change the serial number +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The USRP1 serial number can be changed to any 8 byte string. Examples: + +:: + + cd <prefix>/share/uhd/utils + ./usrp1_serial_burner --new=87654321 + + -- OR -- + + ./usrp1_serial_burner --new=Beatrice + + -- OR -- + + ./usrp1_serial_burner --old=12345678 --new=87654321 + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Specify a non-standard image +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The standard USRP1 images installer comes with two FPGA images: + * **usrp1_fpga.rbf:** 2 DDCs + 2 DUCs + * **usrp1_fpga_4rx.rbf:** 4 DDCs + 0 DUCs + +By default, the USRP1 uses the FPGA image with 2 DDCs and 2 DUCs. +However, a device address parameter can be used to override +the FPGA image selection to use an alternate or a custom FPGA image. +See the images application notes for installing custom images. + +Example device address string representations to specify non-standard firmware and/or FPGA images: + +:: + + fpga=usrp1_fpga_4rx.rbf + + -- OR -- + + fw=usrp1_fw_custom.ihx + + -- OR -- + + fpga=usrp1_fpga_4rx.rbf, fw=usrp1_fw_custom.ihx + +------------------------------------------------------------------------ +Specifying the subdevice to use +------------------------------------------------------------------------ +The USRP1 has multiple daughterboard slots, known as slot A and slot B. +The subdevice specification can be used to select +the daughterboard and subdevice for each channel. +For daughterboards with one one subdevice, +the subdevice name may be left blank for automatic selection. + +Ex: The subdev spec markup string to select a WBX on slot B. +Notice the use of the blank subdevice name for automatic selection. + +:: + + B: + + -- OR -- + + B:0 + +Ex: The subdev spec markup string to select a BasicRX on slot B. +Notice that the subdevice name is always specified in the 3 possible cases. + +:: + + B:AB + + -- OR -- + + B:A + + -- OR -- + + B:B + +------------------------------------------------------------------------ +OS Specific Notes +------------------------------------------------------------------------ + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Setup Udev on Linux +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +On Linux, Udev handles USB plug and unplug events. +The following command creates a Udev rule for the USRP1 +so that non-root users may access the device: + +:: + + echo 'ACTION=="add", BUS=="usb", SYSFS{idVendor}=="fffe", SYSFS{idProduct}=="0002", MODE:="0666"' > tmpfile + sudo chown root.root tmpfile + sudo mv tmpfile /etc/udev/rules.d/10-usrp.rules + sudo udevadm control --reload-rules + |