diff options
Diffstat (limited to 'usrp2/vrt/vita_tx_control.v')
-rw-r--r-- | usrp2/vrt/vita_tx_control.v | 61 |
1 files changed, 43 insertions, 18 deletions
diff --git a/usrp2/vrt/vita_tx_control.v b/usrp2/vrt/vita_tx_control.v index 56a6c5a17..e02866af2 100644 --- a/usrp2/vrt/vita_tx_control.v +++ b/usrp2/vrt/vita_tx_control.v @@ -7,10 +7,10 @@ module vita_tx_control input [63:0] vita_time, output error, - output reg [15:0] error_code, + output reg [31:0] error_code, // From vita_tx_deframer - input [5+64+WIDTH-1:0] sample_fifo_i, + input [5+64+16+WIDTH-1:0] sample_fifo_i, input sample_fifo_src_rdy_i, output sample_fifo_dst_rdy_o, @@ -22,14 +22,15 @@ module vita_tx_control output [31:0] debug ); - assign sample = sample_fifo_i[5+64+WIDTH-1:5+64]; + assign sample = sample_fifo_i[5+64+16+WIDTH-1:5+64+16]; wire [63:0] send_time = sample_fifo_i[63:0]; - wire eop = sample_fifo_i[64]; - wire eob = sample_fifo_i[65]; - wire sob = sample_fifo_i[66]; - wire send_at = sample_fifo_i[67]; - wire seqnum_err = sample_fifo_i[68]; + wire [15:0] seqnum = sample_fifo_i[79:64]; + wire eop = sample_fifo_i[80]; + wire eob = sample_fifo_i[81]; + wire sob = sample_fifo_i[82]; + wire send_at = sample_fifo_i[83]; + wire seqnum_err = sample_fifo_i[84]; wire now, early, late, too_early; @@ -46,11 +47,11 @@ module vita_tx_control localparam IBS_ERROR = 3; localparam IBS_ERROR_DONE = 4; - localparam CODE_UNDERRUN = 2; - localparam CODE_SEQ_ERROR = 4; - localparam CODE_TIME_ERROR = 8; - localparam CODE_UNDERRUN_MIDPKT = 16; - localparam CODE_SEQ_ERROR_MIDBURST = 32; + wire [31:0] CODE_UNDERRUN = {seqnum,16'd2}; + wire [31:0] CODE_SEQ_ERROR = {seqnum,16'd4}; + wire [31:0] CODE_TIME_ERROR = {seqnum,16'd8}; + wire [31:0] CODE_UNDERRUN_MIDPKT = {seqnum,16'd16}; + wire [31:0] CODE_SEQ_ERROR_MIDBURST = {seqnum,16'd32}; reg [2:0] ibs_state; @@ -59,9 +60,22 @@ module vita_tx_control (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(),.changed(clear_state)); + wire [31:0] error_policy; + setting_reg #(.my_addr(BASE+3)) sr_error_policy + (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(error_policy),.changed()); + + wire policy_wait = error_policy[0]; + wire policy_next_packet = error_policy[1]; + wire policy_next_burst = error_policy[2]; + reg send_error; + always @(posedge clk) if(reset | clear_state) - ibs_state <= IBS_IDLE; + begin + ibs_state <= IBS_IDLE; + send_error <= 0; + end else case(ibs_state) IBS_IDLE : @@ -70,6 +84,7 @@ module vita_tx_control begin ibs_state <= IBS_ERROR; error_code <= CODE_SEQ_ERROR; + send_error <= 1; end else if(~send_at | now) ibs_state <= IBS_RUN; @@ -77,6 +92,7 @@ module vita_tx_control begin ibs_state <= IBS_ERROR; error_code <= CODE_TIME_ERROR; + send_error <= 1; end IBS_RUN : @@ -85,6 +101,7 @@ module vita_tx_control begin ibs_state <= IBS_ERROR; error_code <= CODE_UNDERRUN_MIDPKT; + send_error <= 1; end else if(eop) if(eob) @@ -97,20 +114,27 @@ module vita_tx_control begin ibs_state <= IBS_ERROR_DONE; error_code <= CODE_UNDERRUN; + send_error <= 1; end else if(sample_fifo_src_rdy_i) if(seqnum_err) begin ibs_state <= IBS_ERROR; error_code <= CODE_SEQ_ERROR_MIDBURST; + send_error <= 1; end else ibs_state <= IBS_RUN; IBS_ERROR : - if(sample_fifo_src_rdy_i & eop) - ibs_state <= IBS_ERROR_DONE; - + begin + send_error <= 0; + if(sample_fifo_src_rdy_i & eop) + if(policy_next_packet | (policy_next_burst & eob)) + ibs_state <= IBS_IDLE; + else + ibs_state <= IBS_ERROR_DONE; + end IBS_ERROR_DONE : ; @@ -118,7 +142,8 @@ module vita_tx_control assign sample_fifo_dst_rdy_o = (ibs_state == IBS_ERROR) | (strobe & (ibs_state == IBS_RUN)); // FIXME also cleanout assign run = (ibs_state == IBS_RUN) | (ibs_state == IBS_CONT_BURST); - assign error = (ibs_state == IBS_ERROR_DONE); + //assign error = (ibs_state == IBS_ERROR_DONE); + assign error = send_error; assign debug = { { now,early,late,too_early,eop,eob,sob,send_at }, { sample_fifo_src_rdy_i, sample_fifo_dst_rdy_o, strobe, run, error, ibs_state[2:0] }, |