diff options
author | Nick Foster <nick@nerdnetworks.org> | 2010-11-17 18:31:21 -0800 |
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committer | Nick Foster <nick@nerdnetworks.org> | 2010-11-17 18:31:21 -0800 |
commit | 95cf7753c175e868d1aacaad378bfe74d9454200 (patch) | |
tree | 2eef9c811655d7a1b4d0fb020db7fa5125a2adc7 /host/lib/usrp/usrp2/clock_ctrl.cpp | |
parent | 81c9f77306dc82f250bfb2871b8bd7db67a40085 (diff) | |
parent | 89ae5f3f651cff22226e2b2c0ce0ed796dad4c71 (diff) | |
download | uhd-95cf7753c175e868d1aacaad378bfe74d9454200.tar.gz uhd-95cf7753c175e868d1aacaad378bfe74d9454200.tar.bz2 uhd-95cf7753c175e868d1aacaad378bfe74d9454200.zip |
Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into flow_ctrl
Conflicts:
host/lib/transport/udp_simple.cpp
host/lib/usrp/usrp2/mboard_impl.cpp
host/lib/usrp/usrp2/usrp2_iface.cpp
host/lib/usrp/usrp2/usrp2_regs.hpp
Diffstat (limited to 'host/lib/usrp/usrp2/clock_ctrl.cpp')
-rw-r--r-- | host/lib/usrp/usrp2/clock_ctrl.cpp | 145 |
1 files changed, 100 insertions, 45 deletions
diff --git a/host/lib/usrp/usrp2/clock_ctrl.cpp b/host/lib/usrp/usrp2/clock_ctrl.cpp index 232f3b32a..428d5539b 100644 --- a/host/lib/usrp/usrp2/clock_ctrl.cpp +++ b/host/lib/usrp/usrp2/clock_ctrl.cpp @@ -18,6 +18,7 @@ #include "clock_ctrl.hpp" #include "ad9510_regs.hpp" #include "usrp2_regs.hpp" //spi slave constants +#include "usrp2_clk_regs.hpp" #include <uhd/utils/assert.hpp> #include <boost/cstdint.hpp> #include <boost/lexical_cast.hpp> @@ -32,9 +33,10 @@ class usrp2_clock_ctrl_impl : public usrp2_clock_ctrl{ public: usrp2_clock_ctrl_impl(usrp2_iface::sptr iface){ _iface = iface; + clk_regs = usrp2_clk_regs_t(_iface->get_rev()); _ad9510_regs.cp_current_setting = ad9510_regs_t::CP_CURRENT_SETTING_3_0MA; - this->write_reg(0x09); + this->write_reg(clk_regs.pll_3); // Setup the clock registers to 100MHz: // This was already done by the firmware (or the host couldnt communicate). @@ -44,20 +46,20 @@ public: _ad9510_regs.pll_power_down = ad9510_regs_t::PLL_POWER_DOWN_NORMAL; _ad9510_regs.prescaler_value = ad9510_regs_t::PRESCALER_VALUE_DIV2; - this->write_reg(0x0A); + this->write_reg(clk_regs.pll_4); _ad9510_regs.acounter = 0; - this->write_reg(0x04); + this->write_reg(clk_regs.acounter); _ad9510_regs.bcounter_msb = 0; _ad9510_regs.bcounter_lsb = 5; - this->write_reg(0x05); - this->write_reg(0x06); + this->write_reg(clk_regs.bcounter_msb); + this->write_reg(clk_regs.bcounter_lsb); _ad9510_regs.ref_counter_msb = 0; _ad9510_regs.ref_counter_lsb = 1; // r divider = 1 - this->write_reg(0x0B); - this->write_reg(0x0C); + this->write_reg(clk_regs.ref_counter_msb); + this->write_reg(clk_regs.ref_counter_lsb); /* regs will be updated in commands below */ @@ -84,16 +86,13 @@ public: } void enable_mimo_clock_out(bool enb){ - boost::uint16_t rev = boost::lexical_cast<boost::uint16_t>(_iface->mb_eeprom["rev"]); - boost::uint8_t rev_hi = boost::uint8_t(rev >> 8); - //calculate the low and high dividers size_t divider = size_t(this->get_master_clock_rate()/10e6); size_t high = divider/2; size_t low = divider - high; - switch(rev_hi){ - case 3: //clock 2 + switch(clk_regs.exp){ + case 2: //U2 rev 3 _ad9510_regs.power_down_lvpecl_out2 = enb? ad9510_regs_t::POWER_DOWN_LVPECL_OUT2_NORMAL : ad9510_regs_t::POWER_DOWN_LVPECL_OUT2_SAFE_PD; @@ -102,11 +101,9 @@ public: _ad9510_regs.divider_low_cycles_out2 = low - 1; _ad9510_regs.divider_high_cycles_out2 = high - 1; _ad9510_regs.bypass_divider_out2 = 0; - this->write_reg(0x3e); - this->write_reg(0x4c); break; - case 4: //clock 5 + case 5: //U2 rev 4 _ad9510_regs.power_down_lvds_cmos_out5 = enb? 0 : 1; _ad9510_regs.lvds_cmos_select_out5 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT5_LVDS; _ad9510_regs.output_level_lvds_out5 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT5_1_75MA; @@ -114,14 +111,23 @@ public: _ad9510_regs.divider_low_cycles_out5 = low - 1; _ad9510_regs.divider_high_cycles_out5 = high - 1; _ad9510_regs.bypass_divider_out5 = 0; - this->write_reg(0x41); - this->write_reg(0x52); + break; + + case 6: //U2+ + _ad9510_regs.power_down_lvds_cmos_out6 = enb? 0 : 1; + _ad9510_regs.lvds_cmos_select_out6 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT6_LVDS; + _ad9510_regs.output_level_lvds_out6 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT6_1_75MA; + //set the registers (divider - 1) + _ad9510_regs.divider_low_cycles_out6 = low - 1; + _ad9510_regs.divider_high_cycles_out6 = high - 1; + _ad9510_regs.bypass_divider_out5 = 0; break; - //TODO FIXME do i want to throw, what about uninitialized boards? - //default: throw std::runtime_error("unknown rev hi in mboard eeprom"); - default: std::cerr << "unknown rev hi: " << rev_hi << std::endl; + default: + break; } + this->write_reg(clk_regs.output(clk_regs.exp)); + this->write_reg(clk_regs.div_lo(clk_regs.exp)); this->update_regs(); } @@ -130,7 +136,7 @@ public: _ad9510_regs.power_down_lvds_cmos_out7 = enb? 0 : 1; _ad9510_regs.lvds_cmos_select_out7 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT7_CMOS; _ad9510_regs.output_level_lvds_out7 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT7_1_75MA; - this->write_reg(0x43); + this->write_reg(clk_regs.output(clk_regs.rx_db)); this->update_regs(); } @@ -146,8 +152,8 @@ public: _ad9510_regs.divider_low_cycles_out7 = low - 1; _ad9510_regs.divider_high_cycles_out7 = high - 1; //write the registers - this->write_reg(0x56); - this->write_reg(0x57); + this->write_reg(clk_regs.div_lo(clk_regs.rx_db)); + this->write_reg(clk_regs.div_hi(clk_regs.rx_db)); this->update_regs(); } @@ -157,12 +163,22 @@ public: return rates; } - //uses output clock 6 (cmos) + //uses output clock 6 (cmos) on USRP2 and output clock 5 (cmos) on USRP2+ void enable_tx_dboard_clock(bool enb){ - _ad9510_regs.power_down_lvds_cmos_out6 = enb? 0 : 1; - _ad9510_regs.lvds_cmos_select_out6 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT6_CMOS; - _ad9510_regs.output_level_lvds_out6 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT6_1_75MA; - this->write_reg(0x42); + switch(clk_regs.tx_db) { + case 5: //USRP2+ + _ad9510_regs.power_down_lvds_cmos_out5 = enb? 0 : 1; + _ad9510_regs.lvds_cmos_select_out5 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT5_CMOS; + _ad9510_regs.output_level_lvds_out5 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT5_1_75MA; + break; + case 6: //USRP2 + _ad9510_regs.power_down_lvds_cmos_out6 = enb? 0 : 1; + _ad9510_regs.lvds_cmos_select_out6 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT6_CMOS; + _ad9510_regs.output_level_lvds_out6 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT6_1_75MA; + break; + } + + this->write_reg(clk_regs.output(clk_regs.tx_db)); this->update_regs(); } @@ -174,18 +190,44 @@ public: //calculate the low and high dividers size_t high = divider/2; size_t low = divider - high; - //set the registers (divider - 1) - _ad9510_regs.divider_low_cycles_out6 = low - 1; - _ad9510_regs.divider_high_cycles_out6 = high - 1; + + switch(clk_regs.tx_db) { + case 5: //USRP2+ + _ad9510_regs.bypass_divider_out5 = (divider == 1)? 1 : 0; + _ad9510_regs.divider_low_cycles_out5 = low - 1; + _ad9510_regs.divider_high_cycles_out5 = high - 1; + break; + case 6: //USRP2 + //bypass when the divider ratio is one + _ad9510_regs.bypass_divider_out6 = (divider == 1)? 1 : 0; + //set the registers (divider - 1) + _ad9510_regs.divider_low_cycles_out6 = low - 1; + _ad9510_regs.divider_high_cycles_out6 = high - 1; + break; + } + //write the registers - this->write_reg(0x54); - this->write_reg(0x55); + this->write_reg(clk_regs.div_hi(clk_regs.tx_db)); + this->write_reg(clk_regs.div_lo(clk_regs.tx_db)); this->update_regs(); } std::vector<double> get_rates_tx_dboard_clock(void){ return get_rates_rx_dboard_clock(); //same master clock, same dividers... } + + void enable_test_clock(bool enb) { + _ad9510_regs.power_down_lvpecl_out0 = enb? + ad9510_regs_t::POWER_DOWN_LVPECL_OUT0_NORMAL : + ad9510_regs_t::POWER_DOWN_LVPECL_OUT0_SAFE_PD; + _ad9510_regs.output_level_lvpecl_out0 = ad9510_regs_t::OUTPUT_LEVEL_LVPECL_OUT0_810MV; + _ad9510_regs.divider_low_cycles_out0 = 0; + _ad9510_regs.divider_high_cycles_out0 = 0; + _ad9510_regs.bypass_divider_out0 = 1; + this->write_reg(0x3c); + this->write_reg(0x48); + this->write_reg(0x49); + } /*! * If we are to use an external reference, enable the charge pump. @@ -197,7 +239,7 @@ public: ad9510_regs_t::CHARGE_PUMP_MODE_3STATE ; _ad9510_regs.pll_mux_control = ad9510_regs_t::PLL_MUX_CONTROL_DLD_HIGH; _ad9510_regs.pfd_polarity = ad9510_regs_t::PFD_POLARITY_POS; - this->write_reg(0x08); + this->write_reg(clk_regs.pll_2); this->update_regs(); } @@ -220,33 +262,46 @@ private: */ void update_regs(void){ _ad9510_regs.update_registers = 1; - this->write_reg(0x5a); + this->write_reg(clk_regs.update); } //uses output clock 3 (pecl) + //this is the same between USRP2 and USRP2+ and doesn't get a switch statement void enable_dac_clock(bool enb){ _ad9510_regs.power_down_lvpecl_out3 = (enb)? ad9510_regs_t::POWER_DOWN_LVPECL_OUT3_NORMAL : ad9510_regs_t::POWER_DOWN_LVPECL_OUT3_SAFE_PD; _ad9510_regs.output_level_lvpecl_out3 = ad9510_regs_t::OUTPUT_LEVEL_LVPECL_OUT3_810MV; _ad9510_regs.bypass_divider_out3 = 1; - this->write_reg(0x3F); - this->write_reg(0x4F); + this->write_reg(clk_regs.output(clk_regs.dac)); + this->write_reg(clk_regs.div_hi(clk_regs.dac)); this->update_regs(); } - //uses output clock 4 (lvds) + //uses output clock 4 (lvds) on USRP2 and output clock 2 (lvpecl) on USRP2+ void enable_adc_clock(bool enb){ - _ad9510_regs.power_down_lvds_cmos_out4 = enb? 0 : 1; - _ad9510_regs.lvds_cmos_select_out4 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT4_LVDS; - _ad9510_regs.output_level_lvds_out4 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT4_1_75MA; - _ad9510_regs.bypass_divider_out4 = 1; - this->write_reg(0x40); - this->write_reg(0x51); + switch(clk_regs.adc) { + case 2: + _ad9510_regs.power_down_lvpecl_out2 = enb? ad9510_regs_t::POWER_DOWN_LVPECL_OUT2_NORMAL : ad9510_regs_t::POWER_DOWN_LVPECL_OUT2_SAFE_PD; + _ad9510_regs.output_level_lvpecl_out2 = ad9510_regs_t::OUTPUT_LEVEL_LVPECL_OUT2_500MV; + _ad9510_regs.bypass_divider_out2 = 1; + break; + case 4: + _ad9510_regs.power_down_lvds_cmos_out4 = enb? 0 : 1; + _ad9510_regs.lvds_cmos_select_out4 = ad9510_regs_t::LVDS_CMOS_SELECT_OUT4_LVDS; + _ad9510_regs.output_level_lvds_out4 = ad9510_regs_t::OUTPUT_LEVEL_LVDS_OUT4_1_75MA; + _ad9510_regs.bypass_divider_out4 = 1; + break; + } + + this->write_reg(clk_regs.output(clk_regs.adc)); + this->write_reg(clk_regs.div_hi(clk_regs.adc)); this->update_regs(); } - + usrp2_iface::sptr _iface; + + usrp2_clk_regs_t clk_regs; ad9510_regs_t _ad9510_regs; }; |