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finish sim

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SikongJueluo 2024-05-16 21:39:15 +08:00
parent 5eebe6e922
commit d345fed4e7
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10 changed files with 62 additions and 527 deletions
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1
.gitignore vendored
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@ -11,3 +11,4 @@
*.bin
*.dat
*.png
!im.tif

114
Demosaic/sim/Makefile
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@ -1,114 +0,0 @@
######################################################################
#
# DESCRIPTION: Verilator Example: Small Makefile
#
# This calls the object directory makefile. That allows the objects to
# be placed in the "current directory" which simplifies the Makefile.
#
# This file ONLY is placed under the Creative Commons Public Domain, for
# any use, without warranty, 2020 by Wilson Snyder.
# SPDX-License-Identifier: CC0-1.0
#
######################################################################
# Check for sanity to avoid later confusion
ifneq ($(words $(CURDIR)),1)
$(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
endif
######################################################################
# Set up variables
# If $VERILATOR_ROOT isn't in the environment, we assume it is part of a
# package install, and verilator is in your path. Otherwise find the
# binary relative to $VERILATOR_ROOT (such as when inside the git sources).
ifeq ($(VERILATOR_ROOT),)
VERILATOR = verilator
VERILATOR_COVERAGE = verilator_coverage
else
export VERILATOR_ROOT
VERILATOR = $(VERILATOR_ROOT)/bin/verilator
VERILATOR_COVERAGE = $(VERILATOR_ROOT)/bin/verilator_coverage
endif
VERILATOR_FLAGS =
# Generate SystemC in executable form
VERILATOR_FLAGS += -sc --exe
# Generate makefile dependencies (not shown as complicates the Makefile)
#VERILATOR_FLAGS += -MMD
# Optimize
# VERILATOR_FLAGS += -x-assign fast
# Warn abount lint issues; may not want this on less solid designs
VERILATOR_FLAGS += -Wall
# Make waveforms
VERILATOR_FLAGS += --trace
# Check SystemVerilog assertions
VERILATOR_FLAGS += --assert
# Generate coverage analysis
# VERILATOR_FLAGS += --coverage
# Run Verilator in debug mode
#VERILATOR_FLAGS += --debug
# Add this trace to get a backtrace in gdb
#VERILATOR_FLAGS += --gdbbt
# Specify top module
TOP_MODULE = demosaic2
VERILATOR_FLAGS += -top $(TOP_MODULE)
# Input files for Verilator
VERILATOR_INPUT = ../demosaic2.v sc_demosaic.cpp
# Check if SC exists via a verilator call (empty if not)
SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
######################################################################
ifneq ($(SYSTEMC_EXISTS),)
default: run
else
default: nosc
endif
run:
@echo
@echo "-- Verilator tracing example"
@echo
@echo "-- VERILATE ----------------"
$(VERILATOR) $(VERILATOR_FLAGS) $(VERILATOR_INPUT)
@echo
@echo "-- COMPILE -----------------"
# To compile, we can either
# 1. Pass --build to Verilator by editing VERILATOR_FLAGS above.
# 2. Or, run the make rules Verilator does:
# $(MAKE) -j -C obj_dir -f Vtop.mk
# 3. Or, call a submakefile where we can override the rules ourselves:
$(MAKE) -j -C obj_dir -f V$(TOP_MODULE).mk
@echo
@echo "-- RUN ---------------------"
@rm -rf logs
@mkdir -p logs
obj_dir/V$(TOP_MODULE) +trace
@echo
@echo "-- DONE --------------------"
@echo "To see waveforms, open vlt_dump.vcd in a waveform viewer"
@echo
######################################################################
# Other targets
nosc:
@echo
@echo "%Skip: SYSTEMC_INCLUDE not in environment"
@echo "(If you have SystemC see the README, and rebuild Verilator)"
@echo
show-config:
$(VERILATOR) -V
maintainer-copy::
clean mostlyclean distclean maintainer-clean::
-rm -rf obj_dir logs *.log *.dmp *.vpd coverage.dat core

208
Demosaic/sim/sc_demosaic.cpp
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@ -1,208 +0,0 @@
// For std::unique_ptr
#include <memory>
// SystemC global header
#include <systemc>
// Include common routines
#include <sys/stat.h> // mkdir
#include <verilated.h>
#include <verilated_vcd_sc.h>
// Include model header, generated from Verilating "demo.v"
#include "Vdemosaic2.h"
// Handle file
#include <fstream>
#include <iostream>
#define IM_WIDTH 512
#define IM_HEIGHT 256
#define IM_SIZE (IM_WIDTH * IM_HEIGHT)
using namespace std;
using namespace sc_core;
using namespace sc_dt;
int sc_main(int argc, char* argv[]) {
// Open image
ifstream in_image;
ofstream out_image;
in_image.open("./transform/test.bin", ios::in | ios::binary);
out_image.open("./transform/out.bin", ios::out | ios::binary);
if (!in_image.is_open()) {
cout << "Open image fail" << endl;
exit(0);
} else {
cout << "Ready to sim" << endl;
}
// Read image
uint8_t buf[IM_SIZE * 2] = {0};
in_image.read((char*)buf, IM_SIZE * 2);
// for (uint32_t i = 0; i < IM_SIZE * 2; i++)
// printf("0x%02x\t", buf[i]);
in_image.close();
// Reshape data
uint16_t image[IM_HEIGHT][IM_WIDTH] = {0};
uint32_t i = 0;
for (int y = 0; y < IM_HEIGHT; y++) {
for (int x = 0; x < IM_WIDTH; x++) {
image[y][x] = (uint16_t)buf[i] + ((uint16_t)buf[i + 1] << 8);
i++;
}
}
// This is a more complicated example, please also see the simpler
// examples/make_hello_c.
// Create logs/ directory in case we have traces to put under it
Verilated::mkdir("logs");
// Set debug level, 0 is off, 9 is highest presently used
// May be overridden by commandArgs argument parsing
Verilated::debug(0);
// Randomization reset policy
// May be overridden by commandArgs argument parsing
Verilated::randReset(2);
// Before any evaluation, need to know to calculate those signals only used
// for tracing
Verilated::traceEverOn(true);
// Pass arguments so Verilated code can see them, e.g. $value$plusargs
// This needs to be called before you create any model
Verilated::commandArgs(argc, argv);
// General logfile
std::ios::sync_with_stdio();
// Define clocks
sc_clock clk{"clk", 10, SC_NS, 0.5, 3, SC_NS, true};
// Define interconnect
sc_signal<bool> reset;
sc_signal<bool> in_en;
sc_signal<bool> in_que;
sc_signal<uint32_t> data_in[3];
sc_signal<bool> out_en;
sc_signal<uint32_t> out_r, out_g, out_b;
// Construct the Verilated model, from inside Vtop.h
// Using unique_ptr is similar to "Vtop* top = new Vtop" then deleting at
// end
const std::unique_ptr<Vdemosaic2> demo{new Vdemosaic2{"demo"}};
// Attach Vtop's signals to this upper model
demo->clk(clk);
demo->reset(reset);
demo->data_en(in_en);
demo->data_que(in_que);
demo->data_in[0](data_in[0]);
demo->data_in[1](data_in[1]);
demo->data_in[2](data_in[2]);
demo->out_en(out_en);
demo->out_r(out_r);
demo->out_g(out_g);
demo->out_b(out_b);
// You must do one evaluation before enabling waves, in order to allow
// SystemC to interconnect everything for testing.
sc_start(SC_ZERO_TIME);
// If verilator was invoked with --trace argument,
// and if at run time passed the +trace argument, turn on tracing
VerilatedVcdSc* tfp = nullptr;
const char* flag = Verilated::commandArgsPlusMatch("trace");
if (flag && 0 == std::strcmp(flag, "+trace")) {
std::cout << "Enabling waves into logs/vlt_dump.vcd...\n";
tfp = new VerilatedVcdSc;
demo->trace(tfp, 99); // Trace 99 levels of hierarchy
Verilated::mkdir("logs");
tfp->open("logs/vlt_dump.vcd");
}
// Simulate until $finish
bool flag_posedge = 0;
bool clk_last = 0, clk_now = 0;
uint16_t pos_x = 0, pos_y = 0;
uint16_t out[IM_SIZE] = {0};
uint32_t out_head = 0;
while (!Verilated::gotFinish()) {
// Flush the wave files each cycle so we can immediately see the output
// Don't do this in "real" programs, do it in an abort() handler instead
if (tfp) tfp->flush();
// Apply inputs
if (sc_time_stamp() < sc_time(10, SC_NS)) {
reset.write(1); // Assert reset
} else {
reset.write(0); // Deassert reset
}
// Clock posedge generatre
clk_now = clk.read();
if (!clk_last && clk_now)
flag_posedge = 1;
clk_last = clk_now;
// Send image data and Read RGB image data
if (sc_time_stamp() > sc_time(10, SC_NS) && flag_posedge) {
flag_posedge = 0;
// Send image data to demosaic
if (in_que.read() && pos_y < IM_HEIGHT - 2) {
in_en.write(1);
printf("x=%3d, y=%3d, data=0x%04x\t", pos_x, pos_y, image[pos_y + 0][pos_x]);
printf("x=%3d, y=%3d, data=0x%04x\t", pos_x, pos_y, image[pos_y + 1][pos_x]);
printf("x=%3d, y=%3d, data=0x%04x\n", pos_x, pos_y, image[pos_y + 2][pos_x]);
data_in[0].write(image[pos_y + 0][pos_x++]);
data_in[1].write(image[pos_y + 1][pos_x++]);
data_in[2].write(image[pos_y + 2][pos_x++]);
if (pos_x >= IM_WIDTH) {
pos_x = 0;
pos_y++;
}
} else {
in_en.write(0);
}
// Read image data
if (out_en.read()) {
out[out_head++] = ((uint8_t)(out_r.read() * 5 / 12) << 10) +
((uint8_t)(out_g.read() * 5 / 12) << 5) +
((uint8_t)(out_b.read() * 5 / 12) << 0);
}
}
if (sc_time_stamp() > sc_time(2600, SC_US))
break;
// Simulate 1ns
sc_start(1, SC_NS);
}
// Final model cleanup
demo->final();
// Close trace if opened
if (tfp) {
tfp->close();
tfp = nullptr;
}
// Save final output image
for (uint32_t i = 0; i < IM_SIZE; i++) {
buf[i * 2] = (out[i] & 0xffff0000) >> 16;
buf[i * 2 + 1] = (out[i] & 0x0000ffff);
}
out_image.write((const char*)buf, 2 * IM_SIZE);
out_image.close();
// Return good completion status
return 0;
}

169
Demosaic/sim/tb_demosaic.v
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@ -1,169 +0,0 @@
`timescale 1ns/10ps
`define End_CYCLE 100000000
`define cycle 40.0
`define PAT "./test.dat"
`define OUT_F "./test.raw"
module tb_demosaic();
parameter WIDTH = 512;
parameter HEIGHT = 256;
parameter IMG_SIZE = WIDTH * HEIGHT;
integer out_f, i, in_count, cycle_count;
reg clk;
reg reset;
reg in_en;
reg flag;
wire wr_r, wr_g, wr_b;
wire done;
wire [13:0] addr_r, addr_g, addr_b;
wire [7:0] wdata_r, wdata_g, wdata_b;
reg [7:0] pixel, rdata_r, rdata_g, rdata_b;
reg [7:0] PAT [0:IMG_SIZE-1];
reg [7:0] MEM_R [0:IMG_SIZE-1];
reg [7:0] MEM_G [0:IMG_SIZE-1];
reg [7:0] MEM_B [0:IMG_SIZE-1];
demosaic #(
WIDTH,
HEIGHT
) u_demosaic (
.clk(clk),
.reset(reset),
.in_en(in_en),
.data_in(pixel),
.wr_r(wr_r),
.addr_r(addr_r),
.wdata_r(wdata_r),
.rdata_r(rdata_r),
.wr_g(wr_g),
.addr_g(addr_g),
.wdata_g(wdata_g),
.rdata_g(rdata_g),
.wr_b(wr_b),
.addr_b(addr_b),
.wdata_b(wdata_b),
.rdata_b(rdata_b),
.done(done)
);
initial begin
out_f = $fopen(`OUT_F, "wb");
end
initial begin
$readmemh(`PAT, PAT);
end
initial begin
clk = 0;
reset = 0;
in_en = 0;
in_count = 0;
cycle_count = 0;
pixel = 'hx;
rdata_r = 'hx;
rdata_g = 'hx;
rdata_b = 'hx;
flag = 0;
for(i = 0; i < IMG_SIZE; i = i + 1) begin
MEM_R[i] = 0;
MEM_G[i] = 0;
MEM_B[i] = 0;
end
end
always #(`cycle/2) clk = ~clk;
initial begin
$display("********************************************************************");
$display("** Simulation Start **");
$display("********************************************************************");
@(posedge clk); #2 reset = 1'b1;
#(`cycle*2);
@(posedge clk); #2 reset = 1'b0;
end
initial begin
@(posedge clk);
# (`cycle*3) flag = 1;
end
always @ (negedge clk or posedge reset) begin // send mosaic image
if(reset) begin
pixel <= 0;
in_en <= 0;
end
else begin
if(flag) begin
if(in_count <= IMG_SIZE-1) begin
in_en <= 1;
in_count <= in_count + 1;
pixel <= PAT[in_count];
end
else begin
in_en <= 0;
pixel <= 'hx;
end
end
end
end
always @ (negedge clk) begin // read memory, send data to module
if(!wr_r)
rdata_r <= MEM_R[addr_r];
else
rdata_r <= 'hx;
if(!wr_g)
rdata_g <= MEM_G[addr_g];
else
rdata_g <= 'hx;
if(!wr_b)
rdata_b <= MEM_B[addr_b];
else
rdata_b <= 'hx;
end
always @ (negedge clk) begin // write memory, read data and save
if(wr_r) begin
MEM_R[addr_r] <= wdata_r;
end
if(wr_g) begin
MEM_G[addr_g] <= wdata_g;
end
if(wr_b) begin
MEM_B[addr_b] <= wdata_b;
end
end
always @ (posedge clk) begin // count cycle
cycle_count <= cycle_count + 1;
if(cycle_count >= `End_CYCLE) begin
$display("********************************************************************");
$display("** Fail waiting done signal **");
$display("** You can increase END_CYCLE by yourself **");
$display("********************************************************************");
$finish;
end
end
always @ (posedge clk) begin // check result
if(done) begin
for(i = 0; i < IMG_SIZE; i = i + 1) begin
$fwrite(out_f, "%c", MEM_R[i]);
$fwrite(out_f, "%c", MEM_G[i]);
$fwrite(out_f, "%c", MEM_B[i]);
end
$fclose(out_f);
$display("********************************************************************");
$display("** Simulation completed successfully! **");
$display("********************************************************************");
$finish;
end
end
endmodule

6
isp.v
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@ -1,8 +1,8 @@
`timescale 1ns/1ps
module isp #(
parameter IN_WIDTH = 1936,
parameter IN_HEIGHT = 1088,
parameter IN_WIDTH = 700,
parameter IN_HEIGHT = 500,
parameter OUT_WIDTH = 640,
parameter OUT_HEIGHT = 480,
parameter COLOR_DEPTH = 8,
@ -66,6 +66,8 @@ module isp #(
);
crop #(
.IN_WIDTH(IN_WIDTH),
.IN_HEIGHT(IN_HEIGHT),
.OUT_WIDTH(OUT_WIDTH),
.OUT_HEIGHT(OUT_HEIGHT),
.COLOR_DEPTH(COLOR_DEPTH)

2
sim/Makefile
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@ -44,6 +44,8 @@ VERILATOR_FLAGS += -Wall
VERILATOR_FLAGS += --trace
# Check SystemVerilog assertions
VERILATOR_FLAGS += --assert
# Enable multithreading
# VERILATOR_FLAGS += --threads 4
# Generate coverage analysis
# VERILATOR_FLAGS += --coverage
# Run Verilator in debug mode

83
sim/sc_main.cpp
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@ -17,9 +17,12 @@
#include <fstream>
#include <iostream>
#define IM_WIDTH 1936
#define IM_HEIGHT 1088
#define IM_SIZE (IM_WIDTH * IM_HEIGHT)
#define IN_WIDTH 700
#define IN_HEIGHT 500
#define IN_SIZE (IN_WIDTH * IN_HEIGHT)
#define OUT_WIDTH 640
#define OUT_HEIGHT 480
#define OUT_SIZE (OUT_WIDTH * OUT_HEIGHT)
using namespace std;
using namespace sc_core;
@ -37,11 +40,9 @@ SC_MODULE (TB_ISP) {
sc_in<bool> im_en;
sc_in<uint32_t> im_data;
// uint16_t image[IM_HEIGHT][IM_WIDTH];
// uint32_t out[IM_HEIGHT][IM_WIDTH];
// uint32_t out_head = 0;
unique_ptr<uint16_t[]> image = make_unique<uint16_t[]>(IM_SIZE);
unique_ptr<uint32_t[]> out = make_unique<uint32_t[]>(IM_SIZE);
sc_out<bool> is_done;
unique_ptr<uint16_t[]> image;
unique_ptr<uint32_t[]> out = make_unique<uint32_t[]>(OUT_SIZE);
SC_CTOR (TB_ISP) {
SC_CTHREAD(send_Data, clk.pos());
@ -54,21 +55,21 @@ SC_MODULE (TB_ISP) {
uint16_t pos_x = 0, pos_y = 0;
while (true)
{
if (data_que.read() && pos_y < IM_HEIGHT - 2) {
if (data_que.read() && pos_y < IN_HEIGHT - 2) {
data_en.write(1);
printf("x=%3d, y=%3d, data=0x%04x\t", pos_x, pos_y, image[( pos_y + 0 ) * IM_WIDTH + pos_x]);
printf("x=%3d, y=%3d, data=0x%04x\t", pos_x, pos_y, image[( pos_y + 1 ) * IM_WIDTH + pos_x]);
printf("x=%3d, y=%3d, data=0x%04x\n", pos_x, pos_y, image[( pos_y + 2 ) * IM_WIDTH + pos_x]);
printf("x=%4d, y=%4d, data=0x%04x\t", pos_x, pos_y, image[( pos_y + 0 ) * IN_WIDTH + pos_x]);
printf("x=%4d, y=%4d, data=0x%04x\t", pos_x, pos_y, image[( pos_y + 1 ) * IN_WIDTH + pos_x]);
printf("x=%4d, y=%4d, data=0x%04x\n", pos_x, pos_y, image[( pos_y + 2 ) * IN_WIDTH + pos_x]);
data_out[0].write(image[( pos_y + 0 ) * IM_WIDTH + pos_x]);
data_out[1].write(image[( pos_y + 1 ) * IM_WIDTH + pos_x]);
data_out[2].write(image[( pos_y + 2 ) * IM_WIDTH + pos_x]);
data_out[0].write(image[( pos_y + 0 ) * IN_WIDTH + pos_x]);
data_out[1].write(image[( pos_y + 1 ) * IN_WIDTH + pos_x]);
data_out[2].write(image[( pos_y + 2 ) * IN_WIDTH + pos_x]);
wait(1);
data_en.write(0);
if (pos_x++ >= IM_WIDTH) {
if (pos_x++ >= IN_WIDTH) {
pos_x = 0;
pos_y++;
}
@ -82,18 +83,31 @@ SC_MODULE (TB_ISP) {
}
void read_Data(void) {
is_done.write(0);
uint16_t pos_x = 0, pos_y = 0;
uint32_t last_data = 0;
uint16_t cnt = 0;
while (true)
{
if (im_en.read()) {
out[pos_y * IM_WIDTH + pos_x] = im_data.read();
out[pos_y * OUT_WIDTH + pos_x] = im_data.read();
if (pos_x++ >= IM_WIDTH) {
if (pos_x++ >= OUT_WIDTH) {
pos_x = 0;
pos_y++;
}
}
if (last_data == im_data.read()) {
cnt++;
if (cnt >= 100) {
is_done.write(1);
}
} else {
cnt = 0;
}
last_data = im_data.read();
wait();
}
}
@ -104,7 +118,7 @@ int sc_main(int argc, char* argv[]) {
// Open image
ifstream in_image;
ofstream out_image;
in_image.open("../Demosaic/sim/transform/test.bin", ios::in | ios::binary);
in_image.open("./transform/test.bin", ios::in | ios::binary);
out_image.open("./out.bin", ios::out | ios::binary);
if (!in_image.is_open()) {
cout << "Open image fail" << endl;
@ -114,18 +128,18 @@ int sc_main(int argc, char* argv[]) {
}
// Read image
// uint8_t buf[IM_SIZE * 2] = {0};
auto buf = make_unique<uint8_t[]>(2 * IM_SIZE);
// vector<vector<uint8_t>> buf(IM_HEIGHT, vector<uint8_t>(IM_WIDTH, 0));
in_image.read((char*)buf.get(), IM_SIZE * 2);
// uint8_t buf[IN_SIZE * 2] = {0};
auto buf = make_unique<uint8_t[]>(2 * IN_SIZE);
// vector<vector<uint8_t>> buf(IN_HEIGHT, vector<uint8_t>(IN_WIDTH, 0));
in_image.read((char*)buf.get(), IN_SIZE * 2);
in_image.close();
// Reshape data
// uint16_t image[IM_HEIGHT][IM_WIDTH] = {0};
auto image = make_unique<uint16_t[]>(IM_SIZE);
// uint16_t image[IN_HEIGHT][IN_WIDTH] = {0};
auto image = make_unique<uint16_t[]>(IN_SIZE);
uint32_t i = 0;
for (int y = 0; y < IM_HEIGHT; y++) {
for (int x = 0; x < IM_WIDTH; x++) {
image[y * IM_WIDTH + x] = (uint16_t)buf[i] + ((uint16_t)buf[i + 1] << 8);
for (int y = 0; y < IN_HEIGHT; y++) {
for (int x = 0; x < IN_WIDTH; x++) {
image[y * IN_WIDTH + x] = (uint16_t)buf[i] + ((uint16_t)buf[i + 1] << 8);
i += 2;
}
}
@ -167,6 +181,8 @@ int sc_main(int argc, char* argv[]) {
sc_signal<bool> out_en;
sc_signal<uint32_t> data_out;
sc_signal<bool> flag_done;
// Construct the Verilated model, from inside Visp.h
// Using unique_ptr is similar to "Visp* isp = new Visp" then deleting at end
@ -195,6 +211,7 @@ int sc_main(int argc, char* argv[]) {
tb_isp.im_clk(out_clk);
tb_isp.im_en(out_en);
tb_isp.im_data(data_out);
tb_isp.is_done(flag_done);
tb_isp.image = move(image);
// You must do one evaluation before enabling waves, in order to allow
@ -226,6 +243,9 @@ int sc_main(int argc, char* argv[]) {
reset.write(0); // Deassert reset
}
if (flag_done.read())
break;
// Simulate 1ns
sc_start(1, SC_NS);
}
@ -240,9 +260,10 @@ int sc_main(int argc, char* argv[]) {
}
// Save output image
for (int y = 0; y < IM_HEIGHT; y++)
for(int x = 0; x < IM_WIDTH; x++)
out_image.write((const char *)&tb_isp.out[y * IM_WIDTH + x], sizeof(tb_isp.out[0]));
cout << "Ready to save raw RGB image" << endl;
for (int y = 0; y < OUT_HEIGHT; y++)
for(int x = 0; x < OUT_WIDTH; x++)
out_image.write((const char *)&tb_isp.out[y * OUT_WIDTH + x], sizeof(tb_isp.out[0]));
out_image.close();
// Return good completion status

0
Demosaic/sim/transform/im.tif → sim/transform/im.tif
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4
Demosaic/sim/transform/raw_cut.py → sim/transform/raw_cut.py
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@ -1,8 +1,8 @@
import imageio
import numpy as np
cut_width = 1936
cut_height = 1088
cut_width = 700
cut_height = 500
if __name__ == '__main__':
# txt = open('./test.dat', 'w')

0
Demosaic/sim/transform/raw_to_image.py → sim/transform/raw_to_image.py
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