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| author | Josh Blum <josh@joshknows.com> | 2011-09-28 14:10:07 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-09-28 15:35:25 -0700 |
| commit | df4b43bfcde201c1311eac98c95e8b87c7566320 (patch) | |
| tree | f99d978ee900e020d957abf77940dbbf07270f66 /host/lib/usrp/e100 | |
| parent | 9a3ba185a12fe1ff57391fe0a180ee658fa95775 (diff) | |
| download | uhd-df4b43bfcde201c1311eac98c95e8b87c7566320.tar.gz uhd-df4b43bfcde201c1311eac98c95e8b87c7566320.tar.bz2 uhd-df4b43bfcde201c1311eac98c95e8b87c7566320.zip | |
e100: tweak for codec params for slight improvement
Diffstat (limited to 'host/lib/usrp/e100')
| -rw-r--r-- | host/lib/usrp/e100/codec_ctrl.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/host/lib/usrp/e100/codec_ctrl.cpp b/host/lib/usrp/e100/codec_ctrl.cpp index 6efeb10e8..f3d2a04b5 100644 --- a/host/lib/usrp/e100/codec_ctrl.cpp +++ b/host/lib/usrp/e100/codec_ctrl.cpp @@ -74,14 +74,15 @@ e100_codec_ctrl_impl::e100_codec_ctrl_impl(spi_iface::sptr iface){ _ad9862_regs.soft_reset = 0; //setup rx side of codec - _ad9862_regs.byp_buffer_a = 1; - _ad9862_regs.byp_buffer_b = 1; - _ad9862_regs.buffer_a_pd = 1; - _ad9862_regs.buffer_b_pd = 1; + _ad9862_regs.byp_buffer_a = 0; + _ad9862_regs.byp_buffer_b = 0; + _ad9862_regs.buffer_a_pd = 0; + _ad9862_regs.buffer_b_pd = 0; _ad9862_regs.rx_pga_a = 0;//0x1f; //TODO bring under api control _ad9862_regs.rx_pga_b = 0;//0x1f; //TODO bring under api control _ad9862_regs.rx_twos_comp = 1; _ad9862_regs.rx_hilbert = ad9862_regs_t::RX_HILBERT_DIS; + _ad9862_regs.shared_ref = 1; //setup tx side of codec _ad9862_regs.two_data_paths = ad9862_regs_t::TWO_DATA_PATHS_BOTH; @@ -101,6 +102,12 @@ e100_codec_ctrl_impl::e100_codec_ctrl_impl(spi_iface::sptr iface){ _ad9862_regs.input_clk_ctrl = ad9862_regs_t::INPUT_CLK_CTRL_EXTERNAL; _ad9862_regs.dll_mult = ad9862_regs_t::DLL_MULT_2; _ad9862_regs.dll_mode = ad9862_regs_t::DLL_MODE_FAST; + _ad9862_regs.hs_duty_cycle = 1; + _ad9862_regs.clk_duty = 1; + + //disable clkout1 and clkout2 + _ad9862_regs.dis1 = ad9862_regs_t::DIS1_DIS; + _ad9862_regs.dis2 = ad9862_regs_t::DIS2_DIS; //write the register settings to the codec for (uint8_t addr = 0; addr <= 25; addr++){ @@ -114,6 +121,7 @@ e100_codec_ctrl_impl::e100_codec_ctrl_impl(spi_iface::sptr iface){ //aux adc clock _ad9862_regs.clk_4 = ad9862_regs_t::CLK_4_1_4; this->send_reg(34); + this->send_reg(35); } e100_codec_ctrl_impl::~e100_codec_ctrl_impl(void){ |