diff options
Diffstat (limited to 'usrp2/vrt/vita_tx_chain.v')
| -rw-r--r-- | usrp2/vrt/vita_tx_chain.v | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/usrp2/vrt/vita_tx_chain.v b/usrp2/vrt/vita_tx_chain.v index 78f63b555..93bc703cd 100644 --- a/usrp2/vrt/vita_tx_chain.v +++ b/usrp2/vrt/vita_tx_chain.v @@ -19,6 +19,7 @@ module vita_tx_chain #(parameter BASE=0, parameter FIFOSIZE=10, + parameter POST_ENGINE_FIFOSIZE=10, parameter REPORT_ERROR=0, parameter DO_FLOW_CONTROL=0, parameter PROT_ENG_FLAGS=0, @@ -75,6 +76,8 @@ module vita_tx_chain wire [FIFOSIZE-1:0] access_adr, access_len; wire access_we, access_stb, access_ok, access_done, access_skip_read; wire [35:0] dsp_to_buf, buf_to_dsp; + wire [35:0] tx_data_int0; + wire tx_src_rdy_int0, tx_dst_rdy_int0; double_buffer #(.BUF_SIZE(FIFOSIZE)) db (.clk(clk),.reset(reset),.clear(clear), @@ -83,15 +86,21 @@ module vita_tx_chain .access_dat_i(dsp_to_buf), .access_dat_o(buf_to_dsp), .data_i(tx_data_i), .src_rdy_i(tx_src_rdy_i), .dst_rdy_o(tx_dst_rdy_o), - .data_o(tx_data_int1), .src_rdy_o(tx_src_rdy_int1), .dst_rdy_i(tx_dst_rdy_int1)); + .data_o(tx_data_int0), .src_rdy_o(tx_src_rdy_int0), .dst_rdy_i(tx_dst_rdy_int0)); - custom_engine_tx #(.DSPNO(DSP_NUMBER), .MAIN_SETTINGS_BASE(BASE+6), .BUF_SIZE(FIFOSIZE), .HEADER_OFFSET(USE_TRANS_HEADER)) dspengine_tx + vita_tx_engine_glue #(.DSPNO(DSP_NUMBER), .MAIN_SETTINGS_BASE(BASE+1), .BUF_SIZE(FIFOSIZE), .HEADER_OFFSET(USE_TRANS_HEADER)) dspengine_tx (.clock(clk),.reset(reset),.clear(clear), .set_stb_main(set_stb), .set_addr_main(set_addr), .set_data_main(set_data), .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), .access_we(access_we), .access_stb(access_stb), .access_ok(access_ok), .access_done(access_done), .access_skip_read(access_skip_read), .access_adr(access_adr), .access_len(access_len), .access_dat_i(buf_to_dsp), .access_dat_o(dsp_to_buf)); + + fifo_cascade #(.WIDTH(36), .SIZE(POST_ENGINE_FIFOSIZE)) post_engine_buffering( + .clk(clk), .reset(reset), .clear(clear), + .datain(tx_data_int0), .src_rdy_i(tx_src_rdy_int0), .dst_rdy_o(tx_dst_rdy_int0), + .dataout(tx_data_int1), .src_rdy_o(tx_src_rdy_int1), .dst_rdy_i(tx_dst_rdy_int1)); + end endgenerate |