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| author | Josh Blum <josh@joshknows.com> | 2011-05-12 15:34:24 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-05-12 15:34:24 -0700 |
| commit | b60418e93a8c473372d14cd5fdf430afa6e8fed4 (patch) | |
| tree | 30e9ad77044d07440df21343f7baab6f8e662e19 /host/docs/usrp_e1xx.rst | |
| parent | d11bb4e7ba957f14c6449f519576ab7cd85b60bd (diff) | |
| download | uhd-b60418e93a8c473372d14cd5fdf430afa6e8fed4.tar.gz uhd-b60418e93a8c473372d14cd5fdf430afa6e8fed4.tar.bz2 uhd-b60418e93a8c473372d14cd5fdf430afa6e8fed4.zip | |
usrp-e100: created device address arg for master clock rate, removed eeprom hack
Diffstat (limited to 'host/docs/usrp_e1xx.rst')
| -rw-r--r-- | host/docs/usrp_e1xx.rst | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/host/docs/usrp_e1xx.rst b/host/docs/usrp_e1xx.rst index 036d2c02c..fcaa57716 100644 --- a/host/docs/usrp_e1xx.rst +++ b/host/docs/usrp_e1xx.rst @@ -35,12 +35,7 @@ To use the 61.44MHz clock rate, the USRP embedded will require two jumpers to be * J16 is a two pin header, remove the jumper (or leave it on pin1 only) * J15 is a three pin header, move the jumper to (pin1, pin2) -Then run the following commands to record the setting into the EEPROM: -:: - - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --key=mcr --val=61.44e6 - +**Note:** See instructions below to communicate the desired clock rate into the UHD. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Set other rates - uses internal VCO @@ -50,11 +45,13 @@ To use other clock rates, the jumpers will need to be in the default position. * J16 is a two pin header, move the jumper to (pin1, pin2) * J15 is a three pin header, move the jumper to (pin2, pin3) -Then run the following commands to record the setting into the EEPROM: +To communicate the desired clock rate into the UHD, +specify the a special device address argument, +where the key is "master_clock_rate" and the value is a rate in Hz. +Example: :: - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --key=mcr --val=<rate> + uhd_usrp_probe --args="master_clock_rate=52e6" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Clock rate recovery - unbricking |