From 5eec31fab45649b529428cda756d04bcdaeb3134 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Mon, 6 Feb 2012 16:40:42 -0800
Subject: dsp rework: implement 64 bit ticks, no seconds
---
host/lib/usrp/usrp2/io_impl.cpp | 8 ++++----
host/lib/usrp/usrp2/usrp2_iface.cpp | 4 ++--
host/lib/usrp/usrp2/usrp2_impl.cpp | 8 ++++----
host/lib/usrp/usrp2/usrp2_regs.hpp | 8 ++++----
4 files changed, 14 insertions(+), 14 deletions(-)
(limited to 'host/lib/usrp/usrp2')
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index f19f49e28..f0c159f16 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -202,10 +202,8 @@ void usrp2_impl::io_impl::recv_pirate_loop(
//fill in the async metadata
async_metadata_t metadata;
metadata.channel = index;
- metadata.has_time_spec = if_packet_info.has_tsi and if_packet_info.has_tsf;
- metadata.time_spec = time_spec_t(
- time_t(if_packet_info.tsi), size_t(if_packet_info.tsf), tick_rate
- );
+ metadata.has_time_spec = if_packet_info.has_tsf;
+ metadata.time_spec = time_spec_t::from_ticks(if_packet_info.tsf, tick_rate);
metadata.event_code = async_metadata_t::event_code_t(sph::get_context_code(vrt_hdr, if_packet_info));
//catch the flow control packets and react
@@ -388,6 +386,7 @@ rx_streamer::sptr usrp2_impl::get_rx_stream(const uhd::stream_args_t &args_){
+ vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
+ sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
+ - sizeof(vrt::if_packet_info_t().tsi) //no int time ever used
;
const size_t bpp = _mbc[_mbc.keys().front()].rx_dsp_xports[0]->get_recv_frame_size() - hdr_size;
const size_t bpi = convert::get_bytes_per_item(args.otw_format);
@@ -454,6 +453,7 @@ tx_streamer::sptr usrp2_impl::get_tx_stream(const uhd::stream_args_t &args_){
+ sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
- sizeof(vrt::if_packet_info_t().sid) //no stream id ever used
+ - sizeof(vrt::if_packet_info_t().tsi) //no int time ever used
;
const size_t bpp = _mbc[_mbc.keys().front()].tx_dsp_xport->get_send_frame_size() - hdr_size;
const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp
index 4830c10d9..f3d474a2d 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.cpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.cpp
@@ -126,7 +126,7 @@ public:
bool is_device_locked(void){
boost::uint32_t lock_secs = this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_PEEK32>(U2_FW_REG_LOCK_TIME);
boost::uint32_t lock_gpid = this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_PEEK32>(U2_FW_REG_LOCK_GPID);
- boost::uint32_t curr_secs = this->peek32(U2_REG_TIME64_SECS_RB_IMM);
+ boost::uint32_t curr_secs = this->peek32(U2_REG_TIME64_LO_RB_IMM)/100e6;
//if the difference is larger, assume not locked anymore
if (curr_secs - lock_secs >= 3) return false;
@@ -137,7 +137,7 @@ public:
void lock_task(void){
//re-lock in task
- boost::uint32_t curr_secs = this->peek32(U2_REG_TIME64_SECS_RB_IMM);
+ boost::uint32_t curr_secs = this->peek32(U2_REG_TIME64_LO_RB_IMM)/100e6;
this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_POKE32>(U2_FW_REG_LOCK_TIME, curr_secs);
//sleep for a bit
boost::this_thread::sleep(boost::posix_time::milliseconds(1500));
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 7101e040a..2077ab009 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -546,10 +546,10 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
// create time control objects
////////////////////////////////////////////////////////////////
time64_core_200::readback_bases_type time64_rb_bases;
- time64_rb_bases.rb_secs_now = U2_REG_TIME64_SECS_RB_IMM;
- time64_rb_bases.rb_ticks_now = U2_REG_TIME64_TICKS_RB_IMM;
- time64_rb_bases.rb_secs_pps = U2_REG_TIME64_SECS_RB_PPS;
- time64_rb_bases.rb_ticks_pps = U2_REG_TIME64_TICKS_RB_PPS;
+ time64_rb_bases.rb_hi_now = U2_REG_TIME64_HI_RB_IMM;
+ time64_rb_bases.rb_lo_now = U2_REG_TIME64_LO_RB_IMM;
+ time64_rb_bases.rb_hi_pps = U2_REG_TIME64_HI_RB_PPS;
+ time64_rb_bases.rb_lo_pps = U2_REG_TIME64_LO_RB_PPS;
_mbc[mb].time64 = time64_core_200::make(
_mbc[mb].iface, U2_REG_SR_ADDR(SR_TIME64), time64_rb_bases, mimo_clock_sync_delay_cycles
);
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index 5d39e527d..e14798ecb 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -97,11 +97,11 @@
////////////////////////////////////////////////
#define U2_REG_STATUS READBACK_BASE + 4*8
#define U2_REG_GPIO_RB READBACK_BASE + 4*9
-#define U2_REG_TIME64_SECS_RB_IMM READBACK_BASE + 4*10
-#define U2_REG_TIME64_TICKS_RB_IMM READBACK_BASE + 4*11
+#define U2_REG_TIME64_HI_RB_IMM READBACK_BASE + 4*10
+#define U2_REG_TIME64_LO_RB_IMM READBACK_BASE + 4*11
#define U2_REG_COMPAT_NUM_RB READBACK_BASE + 4*12
#define U2_REG_IRQ_RB READBACK_BASE + 4*13
-#define U2_REG_TIME64_SECS_RB_PPS READBACK_BASE + 4*14
-#define U2_REG_TIME64_TICKS_RB_PPS READBACK_BASE + 4*15
+#define U2_REG_TIME64_HI_RB_PPS READBACK_BASE + 4*14
+#define U2_REG_TIME64_LO_RB_PPS READBACK_BASE + 4*15
#endif /* INCLUDED_USRP2_REGS_HPP */
--
cgit v1.2.3