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-rw-r--r--host/lib/usrp/usrp2/mboard_impl.cpp1
-rw-r--r--host/lib/usrp/usrp2/usrp2_regs.cpp1
-rw-r--r--host/lib/usrp/usrp2/usrp2_regs.hpp6
3 files changed, 8 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index 7243880f3..c8e22a709 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -89,6 +89,7 @@ usrp2_mboard_impl::usrp2_mboard_impl(
_iface->poke32(_iface->regs.tx_ctrl_num_chan, 0); //1 channel
_iface->poke32(_iface->regs.tx_ctrl_clear_state, 1); //reset
_iface->poke32(_iface->regs.tx_ctrl_report_sid, 1); //sid 1 (different from rx)
+ _iface->poke32(_iface->regs.tx_ctrl_policy, U2_FLAG_TX_CTRL_POLICY_NEXT_PACKET);
//init the ddc
init_ddc_config();
diff --git a/host/lib/usrp/usrp2/usrp2_regs.cpp b/host/lib/usrp/usrp2/usrp2_regs.cpp
index e40407f99..857fbda9c 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.cpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.cpp
@@ -92,6 +92,7 @@ usrp2_regs_t usrp2_get_regs(int hw_rev) {
x.tx_ctrl_num_chan = sr_addr(misc_output_base, x.sr_tx_ctrl + 0);
x.tx_ctrl_clear_state = sr_addr(misc_output_base, x.sr_tx_ctrl + 1);
x.tx_ctrl_report_sid = sr_addr(misc_output_base, x.sr_tx_ctrl + 2);
+ x.tx_ctrl_policy = sr_addr(misc_output_base, x.sr_tx_ctrl + 3);
return x;
}
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index 8dbd6c4b4..c12098c8e 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -97,6 +97,7 @@ typedef struct {
int tx_ctrl_num_chan;
int tx_ctrl_clear_state;
int tx_ctrl_report_sid;
+ int tx_ctrl_policy;
} usrp2_regs_t;
extern const usrp2_regs_t usrp2_regs; //the register definitions, set in usrp2_regs.cpp and usrp2p_regs.cpp
@@ -261,5 +262,10 @@ usrp2_regs_t usrp2_get_regs(int hw_rev);
//#define U2_REG_TX_CTRL_NUM_CHAN _SR_ADDR(SR_TX_CTRL + 0)
//#define U2_REG_TX_CTRL_CLEAR_STATE _SR_ADDR(SR_TX_CTRL + 1)
//#define U2_REG_TX_CTRL_REPORT_SID _SR_ADDR(SR_TX_CTRL + 2)
+//#define U2_REG_TX_CTRL_POLICY _SR_ADDR(SR_TX_CTRL + 3)
+
+#define U2_FLAG_TX_CTRL_POLICY_WAIT (0x1 << 0)
+#define U2_FLAG_TX_CTRL_POLICY_NEXT_PACKET (0x1 << 1)
+#define U2_FLAG_TX_CTRL_POLICY_NEXT_BURST (0x1 << 2)
#endif /* INCLUDED_USRP2_REGS_HPP */