diff options
Diffstat (limited to 'host/lib/usrp/usrp1/dboard_iface.cpp')
| -rw-r--r-- | host/lib/usrp/usrp1/dboard_iface.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/host/lib/usrp/usrp1/dboard_iface.cpp b/host/lib/usrp/usrp1/dboard_iface.cpp index 449ec64fe..34bbe1893 100644 --- a/host/lib/usrp/usrp1/dboard_iface.cpp +++ b/host/lib/usrp/usrp1/dboard_iface.cpp @@ -39,7 +39,7 @@ public: usrp1_dboard_iface(usrp1_iface::sptr iface, usrp1_codec_ctrl::sptr codec, usrp1_impl::dboard_slot_t dboard_slot, - const double master_clock_rate, + const double &master_clock_rate, const dboard_id_t &rx_dboard_id ): _dboard_slot(dboard_slot), @@ -49,10 +49,8 @@ public: _iface = iface; _codec = codec; - //init the clock rate shadows - this->set_clock_rate(UNIT_RX, this->get_clock_rates(UNIT_RX).front()); - this->set_clock_rate(UNIT_TX, this->get_clock_rates(UNIT_TX).front()); - + _dbsrx_classic_div = 1; + //yes this is evil but it's necessary for TVRX to work on USRP1 if(_rx_dboard_id == tvrx_id) _codec->bypass_adc_buffers(false); //else _codec->bypass_adc_buffers(false); //don't think this is necessary @@ -103,9 +101,9 @@ public: private: usrp1_iface::sptr _iface; usrp1_codec_ctrl::sptr _codec; - uhd::dict<unit_t, double> _clock_rates; + unsigned _dbsrx_classic_div; const usrp1_impl::dboard_slot_t _dboard_slot; - const double _master_clock_rate; + const double &_master_clock_rate; const dboard_id_t _rx_dboard_id; }; @@ -115,7 +113,7 @@ private: dboard_iface::sptr usrp1_impl::make_dboard_iface(usrp1_iface::sptr iface, usrp1_codec_ctrl::sptr codec, usrp1_impl::dboard_slot_t dboard_slot, - const double master_clock_rate, + const double &master_clock_rate, const dboard_id_t &rx_dboard_id ){ return dboard_iface::sptr(new usrp1_dboard_iface( @@ -137,17 +135,16 @@ static const dboard_id_t dbsrx_classic_id(0x0002); void usrp1_dboard_iface::set_clock_rate(unit_t unit, double rate) { assert_has(this->get_clock_rates(unit), rate, "dboard clock rate"); - _clock_rates[unit] = rate; if (unit == UNIT_RX && _rx_dboard_id == dbsrx_classic_id){ - size_t divider = size_t(_master_clock_rate/rate); + _dbsrx_classic_div = size_t(_master_clock_rate/rate); switch(_dboard_slot){ case usrp1_impl::DBOARD_SLOT_A: - _iface->poke32(FR_RX_A_REFCLK, (divider & 0x7f) | 0x80); + _iface->poke32(FR_RX_A_REFCLK, (_dbsrx_classic_div & 0x7f) | 0x80); break; case usrp1_impl::DBOARD_SLOT_B: - _iface->poke32(FR_RX_B_REFCLK, (divider & 0x7f) | 0x80); + _iface->poke32(FR_RX_B_REFCLK, (_dbsrx_classic_div & 0x7f) | 0x80); break; } } @@ -168,7 +165,10 @@ std::vector<double> usrp1_dboard_iface::get_clock_rates(unit_t unit) double usrp1_dboard_iface::get_clock_rate(unit_t unit) { - return _clock_rates[unit]; + if (unit == UNIT_RX && _rx_dboard_id == dbsrx_classic_id){ + return _master_clock_rate/_dbsrx_classic_div; + } + return _master_clock_rate; } void usrp1_dboard_iface::set_clock_enabled(unit_t, bool) |