From 69bcfba936e49c2825a6d9be677c3150a5c6b70c Mon Sep 17 00:00:00 2001
From: Ian Buckley <ian.buckley@gmail.com>
Date: Tue, 26 May 2015 15:35:04 -0700
Subject: B200: New AD9361 I/O timing programming to work with new b200_io.v
logic design.
---
host/lib/usrp/b200/b200_impl.cpp | 2 +-
host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
(limited to 'host/lib')
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 55ae29575..0409adf30 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -63,7 +63,7 @@ public:
digital_interface_delays_t get_digital_interface_timing() {
digital_interface_delays_t delays;
delays.rx_clk_delay = 0;
- delays.rx_data_delay = 0x6;
+ delays.rx_data_delay = 0xF;
delays.tx_clk_delay = 0;
delays.tx_data_delay = 0xF;
return delays;
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
index e63460730..db5de52d0 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
@@ -1455,13 +1455,13 @@ void ad9361_device_t::initialize()
* Force TX on one port, RX on the other. */
switch (_client_params->get_digital_interface_mode()) {
case AD9361_DDR_FDD_LVCMOS: {
- _io_iface->poke8(0x010, 0xc8);
+ _io_iface->poke8(0x010, 0xc8); // Swap I&Q on Tx, Swap I&Q on Rx, Toggle frame sync mode
_io_iface->poke8(0x011, 0x00);
_io_iface->poke8(0x012, 0x02);
} break;
case AD9361_DDR_FDD_LVDS: {
- _io_iface->poke8(0x010, 0xcc);
+ _io_iface->poke8(0x010, 0xcc); // Swap I&Q on Tx, Swap I&Q on Rx, Toggle frame sync mode, 2R2T timing.
_io_iface->poke8(0x011, 0x00);
_io_iface->poke8(0x012, 0x10);
--
cgit v1.2.3