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authorJosh Blum <josh@joshknows.com>2012-02-15 15:44:44 -0800
committerJosh Blum <josh@joshknows.com>2012-02-15 15:44:44 -0800
commit59d06f718130c19f808d898f438a1fcb9cdefc04 (patch)
tree94ee0432b5bf30fd2922f953af5175b5eb6f68bb /host/lib
parent3060006b35859c8766e00d3b234b51a19aa8595f (diff)
downloaduhd-59d06f718130c19f808d898f438a1fcb9cdefc04.tar.gz
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dsp rework: added flusher to vita tx chain on clear
Diffstat (limited to 'host/lib')
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_200.cpp2
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_200.cpp11
2 files changed, 8 insertions, 5 deletions
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.cpp b/host/lib/usrp/cores/rx_dsp_core_200.cpp
index cebf92f6a..0996952ff 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011 Ettus Research LLC
+// Copyright 2011-2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
diff --git a/host/lib/usrp/cores/tx_dsp_core_200.cpp b/host/lib/usrp/cores/tx_dsp_core_200.cpp
index e25528213..7f02d59ca 100644
--- a/host/lib/usrp/cores/tx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/tx_dsp_core_200.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011 Ettus Research LLC
+// Copyright 2011-2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@
#include <boost/assign/list_of.hpp>
#include <boost/math/special_functions/round.hpp>
#include <boost/math/special_functions/sign.hpp>
+#include <boost/thread/thread.hpp> //sleep
#include <algorithm>
#include <cmath>
@@ -30,12 +31,12 @@
#define REG_DSP_TX_SCALE_IQ _dsp_base + 4
#define REG_DSP_TX_INTERP _dsp_base + 8
-#define REG_TX_CTRL_CLEAR _ctrl_base + 4
+#define REG_TX_CTRL_CLEAR _ctrl_base + 0
+#define REG_TX_CTRL_FORMAT _ctrl_base + 4
#define REG_TX_CTRL_REPORT_SID _ctrl_base + 8
#define REG_TX_CTRL_POLICY _ctrl_base + 12
#define REG_TX_CTRL_CYCLES_PER_UP _ctrl_base + 16
#define REG_TX_CTRL_PACKETS_PER_UP _ctrl_base + 20
-#define REG_TX_CTRL_FORMAT REG_TX_CTRL_CLEAR //re-use clear address
#define FLAG_TX_CTRL_POLICY_WAIT (0x1 << 0)
#define FLAG_TX_CTRL_POLICY_NEXT_PACKET (0x1 << 1)
@@ -69,7 +70,9 @@ public:
}
void clear(void){
- _iface->poke32(REG_TX_CTRL_CLEAR, 1); //reset
+ _iface->poke32(REG_TX_CTRL_CLEAR, 1); //reset and flush technique
+ boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+ _iface->poke32(REG_TX_CTRL_CLEAR, 0);
_iface->poke32(REG_TX_CTRL_REPORT_SID, _sid);
}