From df4b43bfcde201c1311eac98c95e8b87c7566320 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 28 Sep 2011 14:10:07 -0700 Subject: e100: tweak for codec params for slight improvement --- host/lib/usrp/e100/codec_ctrl.cpp | 16 ++++++++++++---- 1 file 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){ -- cgit v1.2.3