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Adding connection between VGA, ADC, DAC, and memory
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4 files changed

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‎modules/ams/Makefile

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# Include common Makefile
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include ../Makefile
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SRCDIR+=../adc/src ../dac/src ../vga/src ../utils/src
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INCDIR+=-I$(SYSTEMC_AMS_HOME)/include -I../adc/include -I../dac/include -I../vga/include -I../utils/include
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LIBDIR+=-L$(SYSTEMC_AMS_HOME)/lib-linux64
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LIBS+=-lsystemc-ams
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SOURCES:=$(foreach DIR, $(SRCDIR), $(wildcard $(DIR)/*.cpp))
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INCLUDES:=$(foreach DIR, $(INCDIR), $(wildcard $(DIR)/*.hpp))
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# Defining preprocessor directive for debug
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ifdef IPS_DEBUG_EN
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CFLAGS += -DIPS_DEBUG_EN
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LFLAGS += -DIPS_DEBUG_EN
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endif # IPS_DEBUG_EN
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# Defining preprocessor directive for dumping enable
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ifdef IPS_DUMP_EN
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CFLAGS += -DIPS_DUMP_EN
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LFLAGS += -DIPS_DUMP_EN
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endif # IPS_DUMP_EN
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# Run the compiled file
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run:
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@./$(TARGET)
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# Show waveform
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waveform:
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@gtkwave ips_ams.vcd

‎modules/ams/include/memory.hpp

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#ifndef IPS_MEMORY_HPP
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#define IPS_MEMORY_HPP
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#include <systemc.h>
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template <unsigned int SIZE>
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SC_MODULE(memory)
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{
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protected:
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int *mem;
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public:
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sc_core::sc_in<bool> clk;
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sc_core::sc_in<bool> we;
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sc_core::sc_in<unsigned long long int> address;
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sc_core::sc_in<sc_uint<24>> wdata;
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sc_core::sc_out<sc_uint<24>> rdata;
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// Constructor for memory
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SC_CTOR(memory)
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{
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this->mem = new int[SIZE];
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SC_METHOD(run);
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sensitive << clk.pos();
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}
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void run()
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{
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if (clk.read())
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{
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const unsigned long long int ADDR = static_cast<unsigned long long int>(this->address.read());
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if (we.read())
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{
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this->mem[ADDR] = this->wdata.read();
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}
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this->rdata.write(this->mem[ADDR]);
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}
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}
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};
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#endif // IPS_MEMORY_HPP

‎modules/ams/include/seq_item_ams.hpp

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#ifndef IPS_SEQ_ITEM_AMS_HPP
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#define IPS_SEQ_ITEM_AMS_HPP
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#define int64 systemc_int64
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#define uint64 systemc_uint64
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#include <systemc.h>
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#include <systemc-ams.h>
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#undef int64
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#undef uint64
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#define int64 opencv_int64
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#define uint64 opencv_uint64
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#include <opencv2/opencv.hpp>
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#undef int64
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#undef uint64
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// Image path
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#define IPS_IMG_PATH_TB "../../tools/datagen/src/imgs/car_rgb_noisy_image.jpg"
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/**
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* @brief This class is used to generate the data for the AMS test
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*
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* @tparam N - the number of output bits of the digital pixel
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* @tparam H_ACTIVE - output horizontal active video pixels
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* @tparam H_FP - wait after the display period before the sync
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* horizontal pulse
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* @tparam H_SYNC_PULSE - assert HSYNC
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* @tparam H_BP - wait after the sync horizontal pulse before starting
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* the next display period
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* @tparam V_ACTIVE - output vertical active video pixels
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* @tparam V_FP - wait after the display period before the sync
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* vertical pulse
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* @tparam V_SYNC_PULSE - assert VSYNC
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* @tparam V_BP - wait after the sync vertical pulse before starting
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* the next display period
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*/
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template <
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unsigned int N = 8,
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unsigned int H_ACTIVE = 640,
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unsigned int H_FP = 16,
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unsigned int H_SYNC_PULSE = 96,
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unsigned int H_BP = 48,
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unsigned int V_ACTIVE = 480,
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unsigned int V_FP = 10,
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unsigned int V_SYNC_PULSE = 2,
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unsigned int V_BP = 33
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>
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SC_MODULE(seq_item_ams)
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{
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protected:
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cv::Mat tx_img;
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public:
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// Input clock
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sc_core::sc_in<bool> clk;
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// Counters
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sc_core::sc_in<unsigned int> hcount;
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sc_core::sc_in<unsigned int> vcount;
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// Output pixel
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sc_core::sc_out<sc_uint<N> > o_red;
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sc_core::sc_out<sc_uint<N> > o_green;
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sc_core::sc_out<sc_uint<N> > o_blue;
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SC_CTOR(seq_item_ams)
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{
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// Read image
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const std::string img_path = IPS_IMG_PATH_TB;
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cv::Mat read_img = cv::imread(img_path, cv::IMREAD_COLOR);
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// CV_8UC3 Type: 8-bit unsigned, 3 channels (e.g., for a color image)
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read_img.convertTo(this->tx_img, CV_8UC3);
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#ifdef IPS_DEBUG_EN
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std::cout << "Loading image: " << img_path << std::endl;
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#endif // IPS_DEBUG_EN
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// Check if the image is loaded successfully
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if (this->tx_img.empty())
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{
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std::cerr << "Error: Could not open or find the image!" << std::endl;
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exit(EXIT_FAILURE);
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}
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#ifdef IPS_DEBUG_EN
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std::cout << "TX image info: ";
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std::cout << "rows = " << this->tx_img.rows;
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std::cout << " cols = " << this->tx_img.cols;
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std::cout << " channels = " << this->tx_img.channels() << std::endl;
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#endif // IPS_DEBUG_EN
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SC_METHOD(run);
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sensitive << clk.pos();
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}
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void run()
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{
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if (this->clk.read())
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{
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const int IMG_ROW = static_cast<int>(this->vcount.read()) - (V_SYNC_PULSE + V_BP);
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const int IMG_COL = static_cast<int>(this->hcount.read()) - (H_SYNC_PULSE + H_BP);
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#ifdef IPS_DEBUG_EN
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std::cout << "TX image: ";
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std::cout << "row = " << IMG_ROW;
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std::cout << " col = " << IMG_COL;
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#endif // IPS_DEBUG_EN
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if ((IMG_ROW < 0) || (IMG_COL < 0) || (IMG_ROW >= static_cast<int>(V_ACTIVE)) || (IMG_COL >= static_cast<int>(H_ACTIVE)))
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{
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this->o_red.write(0);
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this->o_green.write(0);
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this->o_blue.write(0);
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#ifdef IPS_DEBUG_EN
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std::cout << " dpixel = (0,0,0) " << std::endl;
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#endif // IPS_DEBUG_EN
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}
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else
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{
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cv::Vec3b pixel = tx_img.at<cv::Vec3b>(IMG_ROW, IMG_COL, 0);
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this->o_red.write(static_cast<sc_uint<8>>(pixel[0]));
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this->o_green.write(static_cast<sc_uint<8>>(pixel[1]));
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this->o_blue.write(static_cast<sc_uint<8>>(pixel[2]));
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#ifdef IPS_DEBUG_EN
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std::cout << " ipixel = (" << static_cast<int>(pixel[0]) << ","
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<< static_cast<int>(pixel[1]) << "," << static_cast<int>(pixel[2])
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<< ")" << std::endl;
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#endif // IPS_DEBUG_EN
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}
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}
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}
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};
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#endif // IPS_SEQ_ITEM_AMS_HPP

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