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| author | Josh Blum <josh@joshknows.com> | 2012-07-19 14:20:45 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2012-07-19 14:20:45 -0700 |
| commit | ba9a627475446582afa9b6e624a1248748a98951 (patch) | |
| tree | a99797a4ca29d662b136b0e53414b1f32194d521 | |
| parent | 9d0ce59f3c3be59165e348c3a9d4bc3429821dcc (diff) | |
| download | uhd-ba9a627475446582afa9b6e624a1248748a98951.tar.gz uhd-ba9a627475446582afa9b6e624a1248748a98951.tar.bz2 uhd-ba9a627475446582afa9b6e624a1248748a98951.zip | |
b100/e100: clock source option for pps phase sync abuse
| -rw-r--r-- | host/docs/usrp_e1x0.rst | 2 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_impl.cpp | 13 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_impl.cpp | 13 |
3 files changed, 27 insertions, 1 deletions
diff --git a/host/docs/usrp_e1x0.rst b/host/docs/usrp_e1x0.rst index 9373e5255..189cbb86b 100644 --- a/host/docs/usrp_e1x0.rst +++ b/host/docs/usrp_e1x0.rst @@ -130,7 +130,7 @@ The LEDs on the front panel can be useful in debugging hardware and software issues. The LEDs reveal the following about the state of the device: * **LED A:** transmitting -* **LED B:** fpga loaded +* **LED B:** PPS signal * **LED C:** receiving * **LED D:** fpga loaded * **LED E:** reference lock diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp index 94dc88db4..b226e113a 100644 --- a/host/lib/usrp/b100/b100_impl.cpp +++ b/host/lib/usrp/b100/b100_impl.cpp @@ -554,6 +554,19 @@ void b100_impl::set_db_eeprom(const std::string &type, const uhd::usrp::dboard_e } void b100_impl::update_clock_source(const std::string &source){ + + if (source == "pps_sync"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 1); + return; + } + if (source == "_pps_sync_"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 3); + return; + } + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 0); + if (source == "auto") _clock_ctrl->use_auto_ref(); else if (source == "internal") _clock_ctrl->use_internal_ref(); else if (source == "external") _clock_ctrl->use_external_ref(); diff --git a/host/lib/usrp/e100/e100_impl.cpp b/host/lib/usrp/e100/e100_impl.cpp index a517dfcba..ef0351bd2 100644 --- a/host/lib/usrp/e100/e100_impl.cpp +++ b/host/lib/usrp/e100/e100_impl.cpp @@ -486,6 +486,19 @@ void e100_impl::set_db_eeprom(const std::string &type, const uhd::usrp::dboard_e } void e100_impl::update_clock_source(const std::string &source){ + + if (source == "pps_sync"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 1); + return; + } + if (source == "_pps_sync_"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 3); + return; + } + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 0); + if (source == "auto") _clock_ctrl->use_auto_ref(); else if (source == "internal") _clock_ctrl->use_internal_ref(); else if (source == "external") _clock_ctrl->use_external_ref(); |