summaryrefslogtreecommitdiffstats
path: root/usrp2/top/USRP2
diff options
context:
space:
mode:
authorJosh Blum <josh@joshknows.com>2012-01-28 14:26:53 -0800
committerJosh Blum <josh@joshknows.com>2012-01-28 14:26:53 -0800
commit15a717c0ad95bb93b6740a187afbc781a860a39d (patch)
tree1c3863a059220c46e911e741161188ab69b8765f /usrp2/top/USRP2
parent9f9729993197839d8be950d69eca4456c8e41323 (diff)
downloaduhd-15a717c0ad95bb93b6740a187afbc781a860a39d.tar.gz
uhd-15a717c0ad95bb93b6740a187afbc781a860a39d.tar.bz2
uhd-15a717c0ad95bb93b6740a187afbc781a860a39d.zip
dsp rework: added double buffer interface to vita tx
Diffstat (limited to 'usrp2/top/USRP2')
-rw-r--r--usrp2/top/USRP2/u2_core.v3
1 files changed, 2 insertions, 1 deletions
diff --git a/usrp2/top/USRP2/u2_core.v b/usrp2/top/USRP2/u2_core.v
index 6c1a418d5..746853fbf 100644
--- a/usrp2/top/USRP2/u2_core.v
+++ b/usrp2/top/USRP2/u2_core.v
@@ -175,6 +175,7 @@ module u2_core
// all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
// localparam DSP_TX_FIFOSIZE = 9; unused -- DSPTX uses extram fifo
localparam DSP_RX_FIFOSIZE = 10;
+ localparam DSP_TX_FIFOSIZE = 10;
localparam ETH_TX_FIFOSIZE = 9;
localparam ETH_RX_FIFOSIZE = 11;
localparam SERDES_TX_FIFOSIZE = 9;
@@ -645,7 +646,7 @@ module u2_core
wire [31:0] sample_tx;
wire strobe_tx;
- vita_tx_chain #(.BASE(SR_TX_CTRL),
+ vita_tx_chain #(.BASE(SR_TX_CTRL), .FIFOSIZE(DSP_TX_FIFOSIZE),
.REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
.PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1),
.DSP_NUMBER(0))