Skip to content

X
x393
Commit aa331d14 authored by Andrey Filippov's avatar Andrey Filippov
Browse files
Options

more simulating/debugging of sensor interface modules

parent bcaa005d
Hide whitespace changes
Inline Side-by-side
Showing with 131 additions and 36 deletions
includes/x393_simulation_parameters.vh
View file @ aa331d14
......@@ -54,8 +54,10 @@
parameter HISTOGRAM_WIDTH = 6, // width
parameter HISTOGRAM_HEIGHT = 6, // height
parameter HISTOGRAM_STRAT_PAGE = 20'h12345,
parameter FRAME_WIDTH_ROUND_BITS = 9, // multiple of 512 pixels (32 16-byte bursts) (11 - ful SDRAM page)
parameter FRAME_WIDTH_ROUND_BITS = 9, // multiple of 512 pixels (32 16-byte bursts) (11 - ful SDRAM page)
parameter WOI_WIDTH= 64
parameter WOI_WIDTH= 64,
parameter QUADRANTS_PXD_HACT_VACT = 6'h01 // 2 bits each: data-0, hact - 1, vact - 2
// 90-degree shifts for data [1:0], hact [3:2] and vact [5:4]
\ No newline at end of file
sensor/pxd_single.v
View file @ aa331d14
......@@ -53,8 +53,8 @@ module pxd_single#(
assign pxd_in=pxd_r;
// assign pxd_async = pxd_iobuf;
always @ (posedge mclk) begin
if (mrst) pxd_r <= 0;
always @ (posedge ipclk) begin
if (irst) pxd_r <= 0;
else pxd_r <= quadrant[1]?(quadrant[0]? dout[3]: dout[2]) : (quadrant[0]? dout[1]: dout[0]);
end
......
sensor/sens_parallel12.v
View file @ aa331d14
......@@ -101,9 +101,9 @@ module sens_parallel12 #(
inout aro,
output dclk, // externally connected to inout port
// output
output [11:0] pxd_out,
output vact_out,
output hact_out,
output reg [11:0] pxd_out,
output reg vact_out,
output hact_out,
// JTAG to program 10359
// input xpgmen, // enable programming mode for external FPGA
......@@ -124,6 +124,10 @@ module sens_parallel12 #(
input status_start // Acknowledge of the first status packet byte (address)
);
// delaying vact and pxd by one clock cycle to match hact register
wire [11:0] pxd_out_pre;
wire vact_out_pre;
reg [2:0] irst_r;
wire ibpf;
wire ipclk_pre, ipclk2x_pre;
......@@ -133,10 +137,14 @@ module sens_parallel12 #(
reg set_ctrl_r;
reg set_status_r;
reg [1:0] set_width_r; // to make double-cycle subtract
wire set_width_ipclk; //re-clocked to pclk
reg set_jtag_r;
reg [LINE_WIDTH_BITS-1:0] line_width_m1; // regenerated HACT duration;
reg [LINE_WIDTH_BITS-1:0] line_width_m1; // regenerated HACT duration;
reg [LINE_WIDTH_BITS-1:0] line_width_m1_ipclk; // regenerated HACT duration;
reg line_width_internal; // use regenetrated ( 0 - use HACT as is)
reg line_width_internal_ipclk;
reg [LINE_WIDTH_BITS-1:0] hact_cntr;
// reg set_quad; // [1:0] - px, [3:2] - HACT, [5:4] - VACT,
......@@ -254,20 +262,29 @@ module sens_parallel12 #(
if (mclk_rst) line_width_internal <= 0;
else if (set_width_r[1]) line_width_internal <= ~ (|data_r[LINE_WIDTH_BITS:0]);
end
always @(posedge ipclk) begin
if (irst) line_width_m1_ipclk <= 0;
else if (set_width_ipclk) line_width_m1_ipclk <= line_width_m1;
if (irst) line_width_internal_ipclk <= 0;
else if (set_width_ipclk) line_width_internal_ipclk <= line_width_internal;
// regenerate/propagate HACT
if (irst) hact_ext_r <= 1'b0;
else hact_ext_r <= hact_ext;
if (mclk_rst) hact_ext_r <= 1'b0;
else hact_ext_r <= hact_ext;
if (mclk_rst) hact_r <= 0;
else if (hact_ext && !hact_ext_r) hact_r <= 1;
else if (line_width_internal?(hact_cntr == 0):( hact_ext ==0)) hact_r <= 0;
if (irst) hact_r <= 0;
else if (hact_ext && !hact_ext_r) hact_r <= 1;
else if (line_width_internal_ipclk?(hact_cntr == 0):(hact_ext ==0)) hact_r <= 0;
if (mclk_rst) hact_cntr <= 0;
else if (hact_ext && !hact_ext_r) hact_cntr <= line_width_m1;
if (irst) hact_cntr <= 0;
else if (hact_ext && !hact_ext_r) hact_cntr <= line_width_m1_ipclk; // from mclk
else if (hact_r) hact_cntr <= hact_cntr - 1;
pxd_out <= pxd_out_pre;
vact_out <= vact_out_pre;
end
/*
......@@ -299,6 +316,14 @@ module sens_parallel12 #(
*/
pulse_cross_clock pulse_cross_clock_set_width_ipclk_i (
.rst (mclk_rst), // input
.src_clk (mclk), // input
.dst_clk (ipclk), // input
.in_pulse (set_width_r[1]), // input
.out_pulse (set_width_ipclk), // output
.busy() // output
);
......@@ -352,7 +377,7 @@ module sens_parallel12 #(
.pxd_out (xfpgatdi), // input
.pxd_en (xpgmen), // input
.pxd_async (), // output
.pxd_in (pxd_out[0]), // output
.pxd_in (pxd_out_pre[0]), // output
.ipclk (ipclk), // input
.ipclk2x (ipclk2x), // input
.mrst (mclk_rst), // input
......@@ -379,7 +404,7 @@ module sens_parallel12 #(
.pxd_out (1'b0), // input
.pxd_en (1'b0), // input
.pxd_async (xfpgatdo), // output
.pxd_in (pxd_out[1]), // output
.pxd_in (pxd_out_pre[1]), // output
.ipclk (ipclk), // input
.ipclk2x (ipclk2x), // input
.mrst (mclk_rst), // input
......@@ -403,12 +428,12 @@ module sens_parallel12 #(
.PXD_SLEW (PXD_SLEW),
.REFCLK_FREQUENCY (SENS_REFCLK_FREQUENCY),
.HIGH_PERFORMANCE_MODE (SENS_HIGH_PERFORMANCE_MODE)
) pxd_pxd1_i (
) pxd_pxd2_12_i (
.pxd (pxd[i]), // inout
.pxd_out (1'b0), // input
.pxd_en (1'b0), // input
.pxd_async (), // output
.pxd_in (pxd_out[i]), // output
.pxd_in (pxd_out_pre[i]), // output
.ipclk (ipclk), // input
.ipclk2x (ipclk2x), // input
.mrst (mclk_rst), // input
......@@ -464,7 +489,7 @@ module sens_parallel12 #(
.pxd_out (1'b0), // input
.pxd_en (1'b0), // input
.pxd_async (), // output
.pxd_in (vact_out), // output
.pxd_in (vact_out_pre), // output
.ipclk (ipclk), // input
.ipclk2x (ipclk2x), // input
.mrst (mclk_rst), // input
......
sensor/sensor_fifo.v
View file @ aa331d14
......@@ -47,11 +47,11 @@ module sensor_fifo #(
// output clock domain
// wire pre_re;
wire re; // re_w,re;
reg re_r;
// reg re_r;
reg [1:0] pre_hact;
reg hact_out_r;
reg [1:0] hact_out_r;
reg [SENSOR_DATA_WIDTH-1:0] pxd_r;
wire hact_out_start;
// wire hact_out_start;
assign we=sof_in || eof_in || hact || hact_r;
always @(posedge iclk) begin
......@@ -75,7 +75,7 @@ module sensor_fifo #(
.nempty (nempty), // output
.half_empty () // output
);
/*
dly_16 #(
.WIDTH(1)
) hact_dly_16_i (
......@@ -85,21 +85,85 @@ module sensor_fifo #(
.din(pre_hact[0] && ! pre_hact[1]), // input[0:0]
.dout(hact_out_start) // output[0:0]
);
*/
wire pre_sof_pclk;
wire pre_eof_pclk;
wire pre_sol_pclk;
wire sof_pclk;
wire eof_pclk;
wire sol_pclk;
pulse_cross_clock pulse_cross_clock_sof_i (
.rst (irst), // input
.src_clk (iclk), // input
.dst_clk (pclk), // input
.in_pulse (sof_in), // input
.out_pulse (pre_sof_pclk), // output
.busy() // output
);
pulse_cross_clock pulse_cross_clock_eof_i (
.rst (irst), // input
.src_clk (iclk), // input
.dst_clk (pclk), // input
.in_pulse (eof_in), // input
.out_pulse (pre_eof_pclk), // output
.busy() // output
);
pulse_cross_clock pulse_cross_clock_sol_i (
.rst (irst), // input
.src_clk (iclk), // input
.dst_clk (pclk), // input
.in_pulse (hact && !hact_r), // input
.out_pulse (pre_sol_pclk), // output
.busy() // output
);
dly_16 #(
.WIDTH(3)
) hact_dly_16_i (
.clk(pclk), // input
.rst(prst), // input
.dly(SENSOR_FIFO_DELAY), // input[3:0]
.din({pre_sof_pclk, pre_eof_pclk, pre_sol_pclk}), // input[0:0]
.dout({sof_pclk, eof_pclk, sol_pclk}) // output[0:0]
);
reg sof_rq;
reg eof_rq;
reg sol_rq;
always @ (posedge pclk) begin
if (prst || (re && sof_w)) sof_rq <= 0;
else if (sof_pclk) sof_rq <= 1;
if (prst || (re && eof_w)) eof_rq <= 0;
else if (eof_pclk) eof_rq <= 1;
if (prst || (re && hact_out_r[0] && !hact_out_r[1])) sol_rq <= 0;
else if (sol_pclk) sol_rq <= 1;
end
// output clock domain
// assign pre_re = nempty && !re_r;
// Generating first read (for hact), then wait to fill half FIFO and continue continuous read until hact end
// assign re_w = re_r && nempty; // to protect from false positive on nempty
// assign re = (re_w && !pre_hact) || hact_out_r; // no check for nempty - producing un-interrupted stream
assign re = (re_r && nempty && !pre_hact[0]) || hact_out_r; // no check for nempty - producing un-interrupted stream
// assign re = (re_r && nempty && !pre_hact[0]) || hact_out_r[0]; // no check for nempty - producing un-interrupted stream
assign re = ((sof_rq || eof_rq || sol_rq) && nempty) || hact_out_r[0]; // no check for nempty - producing un-interrupted stream
assign pxd_out= pxd_r;
assign data_valid = hact_out_r;
assign data_valid = hact_out_r[1];
assign sof = sof_r;
assign eof = eof_r;
always @(posedge pclk) begin
if (prst) re_r <= 0;
else re_r <= nempty && !re_r && !pre_hact[0]; // only generate one cycle (after SOF of HACT)
// if (prst) re_r <= 0;
// else re_r <= nempty && !re_r && !pre_hact[0]; // only generate one cycle (after SOF of HACT)
if (prst) pre_hact[0] <= 0;
else if (re) pre_hact[0] <= hact_w;
......@@ -111,10 +175,12 @@ module sensor_fifo #(
if (prst) pxd_r <= 0;
else if (re) pxd_r <= pxd_w;
if (prst) hact_out_r <= 0;
else if (hact_out_start) hact_out_r <= 1;
// else if (!hact_w) hact_out_r <= 0;
else if (!(hact_w && re)) hact_out_r <= 0;
if (prst) hact_out_r[0] <= 0;
else if (sol_pclk) hact_out_r[0] <= 1;
else if (!(hact_w) && re) hact_out_r[0] <= 0;
if (prst || (!(hact_w) && re)) hact_out_r[1] <= 0;
else hact_out_r[1] <= hact_out_r[0];
if (prst) sof_r <= 0;
else sof_r <= re && sof_w;
......
x393_testbench02.tf
View file @ aa331d14
......@@ -1909,8 +1909,10 @@ task setup_sensor_channel;
0, // input [1:0] mmcm_rst; // <2: keep MMCM reset, 2 - MMCM reset off, 3 - MMCM reset on
3, // input [1:0] clk_sel; // <2: keep MMCM clock source, 2 - use internal pixel clock, 3 - use pixel clock from the sensor
0, // input set_delays; // (self-clearing) load all pre-programmed delays
1'b1, // input set_quadrants; // 0 - keep quadrants settings, 1 - update quadrants
6'h24); // data-0, hact - 1, vact - 2 input [SENS_CTRL_QUADRANTS_WIDTH-1:0] quadrants; // 90-degree shifts for data [1:0], hact [3:2] and vact [5:4]
1'b1, // input set_quadrants; // 0 - keep quadrants settings, 1 - update quadrants
// 6'h24); // data-0, hact - 1, vact - 2 input [SENS_CTRL_QUADRANTS_WIDTH-1:0] quadrants; // 90-degree shifts for data [1:0], hact [3:2] and vact [5:4]
// 6'h01); // data-1, hact - 0, vact - 0 input [SENS_CTRL_QUADRANTS_WIDTH-1:0] quadrants; // 90-degree shifts for data [1:0], hact [3:2] and vact [5:4]
QUADRANTS_PXD_HACT_VACT); // data-0, hact - 1, vact - 2 input [SENS_CTRL_QUADRANTS_WIDTH-1:0] quadrants; // 90-degree shifts for data [1:0], hact [3:2] and vact [5:4]
/*
// setup camsync module
reset_camsync_inout (0); // reset input selection
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment