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authorJosh Blum <josh@joshknows.com>2011-09-28 14:10:07 -0700
committerJosh Blum <josh@joshknows.com>2011-09-28 15:35:25 -0700
commitdf4b43bfcde201c1311eac98c95e8b87c7566320 (patch)
treef99d978ee900e020d957abf77940dbbf07270f66
parent9a3ba185a12fe1ff57391fe0a180ee658fa95775 (diff)
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e100: tweak for codec params for slight improvement
-rw-r--r--host/lib/usrp/e100/codec_ctrl.cpp16
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){