fix some warning

.gitignore

@@ -1,5 +1,7 @@
 .idea/
+.vscode/
 /CFA/sim/work/**
 *.wlf
 *.mpf
-*.mti
+*.mti
+/obj_dir/

CFA/demosaic2.v

@@ -21,7 +21,7 @@ module demosaic2 #(
 );
 
     // 常量，包括状态机
-    localparam IM_SIZE = IM_HEIGHT * IM_WIDTH;
+    // localparam IM_SIZE = IM_HEIGHT * IM_WIDTH;
     localparam READ_DATA = 0;
     localparam COLOR_GEN = 1;
     localparam WRITE_DATA = 2;
@@ -141,19 +141,19 @@ module demosaic2 #(
                         cnt_data <= 0;
                         pos_x <= 0;
                         pos_y <= pos_y + 1;
-                        // if (pos_y >= IM_HEIGHT - 2)
-                        //     pos_y <= 0;
+                        if (pos_y >= IM_HEIGHT - 2)
+                            pos_y <= 0;
                     end
                     else begin
                         cnt_data <= 2;
                         
                         // 窗口右移
-                        data_cache[0][0] = data_cache[0][1];
-                        data_cache[1][0] = data_cache[1][1];
-                        data_cache[2][0] = data_cache[2][1];
-                        data_cache[0][1] = data_cache[0][2];
-                        data_cache[1][1] = data_cache[1][2];
-                        data_cache[2][1] = data_cache[2][2];
+                        data_cache[0][0] <= data_cache[0][1];
+                        data_cache[1][0] <= data_cache[1][1];
+                        data_cache[2][0] <= data_cache[2][1];
+                        data_cache[0][1] <= data_cache[0][2];
+                        data_cache[1][1] <= data_cache[1][2];
+                        data_cache[2][1] <= data_cache[2][2];
                     end
                 end
             endcase

Makefile

@@ -0,0 +1,116 @@
+######################################################################
+#
+# 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
+
+# Input files for Verilator
+VERILATOR_INPUT = -top isp isp.v sc_main.cpp ./CFA/demosaic2.v
+
+# 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 ../Makefile_obj
+
+	@echo
+	@echo "-- RUN ---------------------"
+	@rm -rf logs
+	@mkdir -p logs
+	obj_dir/Vtop +trace
+
+	@echo
+	@echo "-- COVERAGE ----------------"
+	@rm -rf logs/annotated
+	$(VERILATOR_COVERAGE) --annotate logs/annotated logs/coverage.dat
+
+	@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

isp.v

@@ -3,8 +3,8 @@
 module isp #(
     parameter IN_WIDTH = 1936,
     parameter IN_HEIGHT = 1088,
-    parameter OUT_WIDTH = 1936 - 2,
-    parameter OUT_HEIGHT = 1088 - 2,
+    // parameter OUT_WIDTH = 1936 - 2,
+    // parameter OUT_HEIGHT = 1088 - 2,
     parameter RAW_TYPE = 3          // 0:grbg 1:rggb 2:bggr 3:gbrg
 ) (
     // 基本信号
@@ -37,4 +37,4 @@ module isp #(
         .out_b(out_b)
     );
     
-endmodule
+endmodule

sc_main.cpp

@@ -0,0 +1,131 @@
+// For std::unique_ptr
+#include <memory>
+
+// SystemC global header
+#include <systemc>
+
+// Include common routines
+#include <verilated.h>
+#if VM_TRACE
+#include <verilated_vcd_sc.h>
+#endif
+
+#include <sys/stat.h>  // mkdir
+
+// Include model header, generated from Verilating "top.v"
+#include "Visp.h"
+
+using namespace sc_core;
+using namespace sc_dt;
+
+int sc_main(int argc, char* argv[]) {
+    // 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);
+
+#if VM_TRACE
+    // Before any evaluation, need to know to calculate those signals only used for tracing
+    Verilated::traceEverOn(true);
+#endif
+
+    // 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};
+    sc_clock fastclk{"fastclk", 2, SC_NS, 0.5, 2, SC_NS, true};
+
+    // Define interconnect
+    sc_signal<bool> reset_l;
+    sc_signal<uint32_t> in_small;
+    sc_signal<uint64_t> in_quad;
+    sc_signal<sc_bv<70>> in_wide;
+    sc_signal<uint32_t> out_small;
+    sc_signal<uint64_t> out_quad;
+    sc_signal<sc_bv<70>> out_wide;
+
+    // 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<Vtop> top{new Vtop{"top"}};
+
+    // Attach Vtop's signals to this upper model
+    top->clk(clk);
+    top->fastclk(fastclk);
+    top->reset_l(reset_l);
+    top->in_small(in_small);
+    top->in_quad(in_quad);
+    top->in_wide(in_wide);
+    top->out_small(out_small);
+    top->out_quad(out_quad);
+    top->out_wide(out_wide);
+
+    // You must do one evaluation before enabling waves, in order to allow
+    // SystemC to interconnect everything for testing.
+    sc_start(SC_ZERO_TIME);
+
+#if VM_TRACE
+    // 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;
+        top->trace(tfp, 99);  // Trace 99 levels of hierarchy
+        Verilated::mkdir("logs");
+        tfp->open("logs/vlt_dump.vcd");
+    }
+#endif
+
+    // Simulate until $finish
+    while (!Verilated::gotFinish()) {
+#if VM_TRACE
+        // 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();
+#endif
+
+        // Apply inputs
+        if (sc_time_stamp() > sc_time(1, SC_NS) && sc_time_stamp() < sc_time(10, SC_NS)) {
+            reset_l = !1;  // Assert reset
+        } else {
+            reset_l = !0;  // Deassert reset
+        }
+
+        // Simulate 1ns
+        sc_start(1, SC_NS);
+    }
+
+    // Final model cleanup
+    top->final();
+
+    // Close trace if opened
+#if VM_TRACE
+    if (tfp) {
+        tfp->close();
+        tfp = nullptr;
+    }
+#endif
+
+    // Coverage analysis (calling write only after the test is known to pass)
+#if VM_COVERAGE
+    Verilated::mkdir("logs");
+    VerilatedCov::write("logs/coverage.dat");
+#endif
+
+    // Return good completion status
+    return 0;
+}