diff options
Diffstat (limited to 'host/lib/usrp/usrp_e100/clock_ctrl.cpp')
-rw-r--r-- | host/lib/usrp/usrp_e100/clock_ctrl.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/host/lib/usrp/usrp_e100/clock_ctrl.cpp b/host/lib/usrp/usrp_e100/clock_ctrl.cpp index bb6fb7e3b..1ac2b804c 100644 --- a/host/lib/usrp/usrp_e100/clock_ctrl.cpp +++ b/host/lib/usrp/usrp_e100/clock_ctrl.cpp @@ -287,6 +287,10 @@ public: if (_out_rate == rate) return; if (rate == 61.44e6) set_clock_settings_with_external_vcxo(rate); else set_clock_settings_with_internal_vco(rate); + //clock rate changed! update dboard clocks and FPGA ticks per second + set_rx_dboard_clock_rate(rate); + set_tx_dboard_clock_rate(rate); + _iface->poke32(UE_REG_TIME64_TPS, boost::uint32_t(get_fpga_clock_rate())); } double get_fpga_clock_rate(void){ @@ -302,7 +306,7 @@ public: _ad9522_regs.out4_cmos_configuration = (enb)? ad9522_regs_t::OUT4_CMOS_CONFIGURATION_A_ON : ad9522_regs_t::OUT4_CMOS_CONFIGURATION_OFF; - this->send_reg(0x0F0); + this->send_reg(0x0F4); this->latch_regs(); } @@ -327,6 +331,7 @@ public: void set_rx_dboard_clock_rate(double rate){ assert_has(get_rx_dboard_clock_rates(), rate, "rx dboard clock rate"); + _rx_clock_rate = rate; size_t divider = size_t(this->_chan_rate/rate); //set the divider registers set_clock_divider(divider, @@ -339,6 +344,10 @@ public: this->latch_regs(); } + double get_rx_clock_rate(void){ + return _rx_clock_rate; + } + /*********************************************************************** * TX Dboard Clock Control (output 6, divider 2) **********************************************************************/ @@ -357,6 +366,7 @@ public: void set_tx_dboard_clock_rate(double rate){ assert_has(get_tx_dboard_clock_rates(), rate, "tx dboard clock rate"); + _tx_clock_rate = rate; size_t divider = size_t(this->_chan_rate/rate); //set the divider registers set_clock_divider(divider, @@ -368,7 +378,11 @@ public: this->send_reg(0x197); this->latch_regs(); } - + + double get_tx_clock_rate(void){ + return _tx_clock_rate; + } + /*********************************************************************** * Clock reference control **********************************************************************/ @@ -400,6 +414,7 @@ private: ad9522_regs_t _ad9522_regs; double _out_rate; //rate at the fpga and codec double _chan_rate; //rate before final dividers + double _rx_clock_rate, _tx_clock_rate; void latch_regs(void){ _ad9522_regs.io_update = 1; |