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authormatt <matt@221aa14e-8319-0410-a670-987f0aec2ac5>2008-12-13 23:28:58 +0000
committermatt <matt@221aa14e-8319-0410-a670-987f0aec2ac5>2008-12-13 23:28:58 +0000
commit2c673090ace048d61732bf5094faa9f0deaa7e9e (patch)
tree6035254c17025bc1542966649c9701fe9a36fff3 /sdr_lib
parentf8812ec0dfee9321890c4743bc76b8d53c90301e (diff)
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reset the phase when we shut down. Aids in sync
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10115 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'sdr_lib')
-rw-r--r--sdr_lib/dsp_core_rx.v4
-rw-r--r--sdr_lib/dsp_core_tx.v6
2 files changed, 7 insertions, 3 deletions
diff --git a/sdr_lib/dsp_core_rx.v b/sdr_lib/dsp_core_rx.v
index 0e4af37fb..64c82bbda 100644
--- a/sdr_lib/dsp_core_rx.v
+++ b/sdr_lib/dsp_core_rx.v
@@ -84,7 +84,9 @@ module dsp_core_rx
always @(posedge clk)
if(rst)
phase <= 0;
- else if(run)
+ else if(~run)
+ phase <= 0;
+ else
phase <= phase + phase_inc;
MULT18X18S mult_i
diff --git a/sdr_lib/dsp_core_tx.v b/sdr_lib/dsp_core_tx.v
index 535f2003e..54889fa2a 100644
--- a/sdr_lib/dsp_core_tx.v
+++ b/sdr_lib/dsp_core_tx.v
@@ -58,11 +58,13 @@ module dsp_core_tx
always @(posedge clk) strobe_hb2 <= strobe_hb2_pre;
always @(posedge clk) strobe_cic <= strobe_cic_pre;
- // DDC
+ // NCO
always @(posedge clk)
if(rst)
phase <= 0;
- else if(run)
+ else if(~run)
+ phase <= 0;
+ else
phase <= phase + phase_inc;
wire signed [17:0] da, db;