Mc lab 3 test

.github/actions/avr_setup/action.yml

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+name: "Get changed files list"
+description: "Setup Node with caching for dependencies"
+runs:
+  using: "composite"
+  steps:
+    - name: Set up Arduino CLI
+      uses: arduino/setup-arduino-cli@v2
+
+    - name: Install platform
+      run: |
+        arduino-cli core update-index
+        arduino-cli core install ${{ env.platform }}
+      shell: bash
+
+    - name: Install popular libs
+      run: |
+        arduino-cli lib install LiquidCrystal
+      shell: bash

.github/actions/get_changed_files/action.yml

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+name: "Get changed files list"
+description: "Setup Node with caching for dependencies"
+runs:
+  using: "composite"
+  steps:
+    - name: Get changed files list
+      id: get_changed_files
+      run: |
+        echo "Changed files:"
+        git diff --name-only ${{ github.event.pull_request.base.sha }} > changed_files.txt
+        cat changed_files.txt
+        echo "The list is saved to changed_files.txt"
+      shell: bash

.github/workflows/lab-validation.yml

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+name: Cheking of compile Arduino sketch for AVR/AtMega
+
+on:
+  pull_request:
+    branches: [main, master]
+
+env:
+  platform: "arduino:avr"
+  fqbn_master: "arduino:avr:mega"
+  COMMIT_COUNT: $(( ${{ github.event_name == 'pull_request' && github.event.pull_request.commits || 0 }} + 1 ))
+
+jobs:
+  handle_bad_branch_name:
+    runs-on: ubuntu-22.04
+    if: (contains(github.head_ref, 'mc_lab_1') || contains(github.head_ref, 'mc_lab_2') || contains(github.head_ref, 'mc_lab_3') || contains(github.head_ref, 'mc_lab_4') || contains(github.head_ref, 'mc_lab_5') || contains(github.head_ref, 'mc_lab_6') || contains(github.head_ref, 'mc_lab_7')) == false
+    steps:
+      - name: Fail the build
+        run: | 
+          echo "The branch name is not correct. It should contain 'mc_lab_' prefix"
+          exit 1
+  build_labs_1_to_4:
+    runs-on: ubuntu-22.04
+    if: contains(github.head_ref, 'mc_lab_1') || contains(github.head_ref, 'mc_lab_2') || contains(github.head_ref, 'mc_lab_3') || contains(github.head_ref, 'mc_lab_4')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.COMMIT_COUNT }}
+
+      - name: Get changed files list
+        uses: ./.github/actions/get_changed_files
+
+      - name: Set up Arduino CLI
+        uses: ./.github/actions/avr_setup
+
+      - name: Compile Sketch
+        run: arduino-cli compile --fqbn ${{ env.fqbn_master }} $(grep -E '\.ino$' changed_files.txt | xargs)
+  build_lab_5:
+    runs-on: ubuntu-22.04
+    if: contains(github.head_ref, 'mc_lab_5')
+    env:
+      fqbn_slave: "arduino:avr:nano"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.COMMIT_COUNT }}
+
+      - name: Get changed files list
+        uses: ./.github/actions/get_changed_files
+
+      - name: Get master folder
+        run: |
+          cat changed_files.txt | xargs dirname | grep 'master' | grep -m 1 -vE '/(.*master.*|.*slave.*)/'  > master_project.txt
+          echo "Master project:"
+          cat master_project.txt
+
+      - name: Get slave folders
+        run: |
+          cat changed_files.txt | xargs dirname | grep 'slave' | grep -vE '/(.*master.*|.*slave.*)/'  > slave_projects.txt
+          echo "Slave projects:"
+          cat slave_projects.txt
+
+      - name: Check if there is at least one master and one slave project
+        run: |
+          if [ ! -s master_project.txt ] || [ ! -s slave_projects.txt ]; then
+            echo "There is no master or slave project"
+            exit 1
+          fi
+
+      - name: Set up Arduino CLI
+        uses: ./.github/actions/avr_setup
+
+      - name: Compile master
+        run: while read master_folder; do arduino-cli compile --fqbn ${{ env.fqbn_master }} $master_folder/*.ino; done < master_project.txt
+
+      - name: Compile slaves
+        run: while read slave_folder; do arduino-cli compile --fqbn ${{ env.fqbn_slave }} $slave_folder/*.ino; done < slave_projects.txt
+  build_lab_6:
+    runs-on: ubuntu-22.04
+    if: contains(github.head_ref, 'mc_lab_6')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.COMMIT_COUNT }}
+
+      - name: It just passes
+        run: echo "It just passes. It's too complex"
+  build_lab_7:
+    runs-on: ubuntu-22.04
+    if: contains(github.head_ref, 'mc_lab_7')
+    env:
+      register-bindings: "m2560def.inc"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.COMMIT_COUNT }}
+
+      - name: Get changed files list
+        uses: ./.github/actions/get_changed_files
+
+      - name: Setup AVRA Assembler
+        run: |
+          git clone https://github.com/Ro5bert/avra.git
+          cd avra
+          sudo make install
+
+      - name: Preprocess sketch - append register bindings to the top of the file
+        run: printf ".include \"${{ env.register-bindings }}\"\n\n" | cat - $(grep -m 1 -E '\.(asm|S)$' changed_files.txt | xargs) > pipeline_main_assembly_source_file.asm
+
+      - name: Compile Sketch
+        run: avra pipeline_main_assembly_source_file.asm

mc_labs/mc_lab_03/lab3-mko/keypad4x4.h

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+#define DDR_KEYPAD DDRK
+#define PORT_KEYPAD PORTK
+#define PIN_KEYPAD PINK
+
+
+class Keypad {
+public:
+  bool pressed = false;
+  char d1, d2, d3, d4, dA, dB, dC, dD;
+  char columns[4];
+  char rows[4];
+  Keypad(char d1, char d2, char d3, char d4, char dA, char dB, char dC, char dD)
+    : columns({ d1, d2, d3, d4 }),
+      rows({ dA, dB, dC, dD }) {
+    this->d1 = d1;
+    this->d2 = d2;
+    this->d3 = d3;
+    this->d4 = d4;
+    this->dA = dA;
+    this->dB = dB;
+    this->dC = dC;
+    this->dD = dD;
+  }
+
+  bool init() {
+    for (char row : rows)
+      pinMode(row, OUTPUT);
+
+
+    for (char column : columns)
+      pinMode(column, INPUT);
+  }
+
+  bool isPressed() {
+    return pressed;
+  }
+
+  char readKey() {
+    char* location = getPressedButtonLocation();
+
+    if (!pressed)
+      return '?';
+
+    delay(200);
+    return getKeyByLocation(location);
+  }
+
+private:
+  char* getPressedButtonLocation() {
+    char result[] = { 0, 0 };
+    for (char rowToRead : rows) {
+      for (char row : rows) {
+        digitalWrite(row, HIGH);
+        asm("nop");
+      }
+      char activeColumn;
+      for (char column : columns) {
+        pressed = digitalRead(column) == HIGH;
+        if (pressed)
+          activeColumn = column;
+      }
+
+
+      if (pressed) {
+        result[0] = rowToRead;
+        result[1] = activeColumn;
+      }
+    }
+
+    return result;
+  }
+
+  char getKeyByLocation(char location[2]) {
+    char key = '?';
+    if (location[0] == dA && location[2] == d1) key = '7';
+    if (location[0] == dB && location[2] == d1) key = '4';
+    if (location[0] == dC && location[2] == d1) key = '1';
+    if (location[0] == dD && location[2] == d1) key = 'F';
+    if (location[0] == dA && location[2] == d2) key = '8';
+    if (location[0] == dB && location[2] == d2) key = '5';
+    if (location[0] == dC && location[2] == d2) key = '2';
+    if (location[0] == dD && location[2] == d2) key = '0';
+    if (location[0] == dD && location[2] == d3) key = '9';
+    if (location[0] == dA && location[2] == d3) key = '6';
+    if (location[0] == dB && location[2] == d3) key = '3';
+    if (location[0] == dC && location[2] == d3) key = 'E';
+    if (location[0] == dD && location[2] == d4) key = 'A';
+    if (location[0] == dA && location[2] == d4) key = 'B';
+    if (location[0] == dB && location[2] == d4) key = 'C';
+    if (location[0] == dC && location[2] == d4) key = 'D';
+    return key;
+  }
+};
+
+const int Key_1 = B10111110;
+const int Key_2 = B10111101;
+const int Key_3 = B10111011;
+const int Key_A = B11100111;
+
+const int Key_4 = B11011110;
+const int Key_5 = B11011101;
+const int Key_6 = B11011011;
+const int Key_B = B11010111;
+
+const int Key_7 = B11101110;
+const int Key_8 = B11101101;
+const int Key_9 = B11101011;
+const int Key_C = B10110111;
+
+const int Key_F = B01111110;
+const int Key_0 = B01111101;
+const int Key_E = B01111011;
+const int Key_D = B01110111;
+
+unsigned char freePinFromKeyPad = 1;
+unsigned char keyFromKeyPad = 1;
+char pressedButton = 0;
+bool logicPressed = false;
+
+void initKeyPad() {
+  DDR_KEYPAD = 0x0F;
+  PORT_KEYPAD = 0xF0;
+}
+
+char readKeyFromPad4x4() {
+  logicPressed = false;
+  return pressedButton;
+}
+
+bool isButtonPressed() {
+  if (freePinFromKeyPad == 1)  //перевірка чи була натиснута кнопка
+  {                            //якщо =1, тоді ще не натискалася
+    if (PIN_KEYPAD != 0xF0) {
+      delay(50);
+      freePinFromKeyPad = 0;
+      keyFromKeyPad = 1;
+      // Визначення натиснутої клавіші
+      // почергова подача 0V на рядки клавіатури A,B,C,D
+      PORT_KEYPAD = B11111110;  // A-рядок
+      asm("nop");
+      if (PORT_KEYPAD == PIN_KEYPAD) {
+        PORT_KEYPAD = B11111101;  // B-рядок
+        asm("nop");
+        if (PORT_KEYPAD == PIN_KEYPAD) {
+          PORT_KEYPAD = B11111011;  // C-рядок
+          asm("nop");
+          if (PORT_KEYPAD == PIN_KEYPAD) {
+            PORT_KEYPAD = B11110111;  // D-рядок
+            asm("nop");
+            if (PORT_KEYPAD == PIN_KEYPAD)
+              keyFromKeyPad = 0;  // жодна клавіша не натиснута
+          }
+        }
+      }
+      if (keyFromKeyPad == 1)  //визначення натиснутої клавіші
+      {
+        if (PIN_KEYPAD == Key_1) pressedButton = '1';
+        else if (PIN_KEYPAD == Key_2) pressedButton = '2';
+        else if (PIN_KEYPAD == Key_3) pressedButton = '3';
+        else if (PIN_KEYPAD == Key_4) pressedButton = '4';
+        else if (PIN_KEYPAD == Key_5) pressedButton = '5';
+        else if (PIN_KEYPAD == Key_6) pressedButton = '6';
+        else if (PIN_KEYPAD == Key_7) pressedButton = '7';
+        else if (PIN_KEYPAD == Key_8) pressedButton = '8';
+        else if (PIN_KEYPAD == Key_9) pressedButton = '9';
+        else if (PIN_KEYPAD == Key_0) pressedButton = '0';
+        else if (PIN_KEYPAD == Key_A) pressedButton = 'A';
+        else if (PIN_KEYPAD == Key_B) pressedButton = 'B';
+        else if (PIN_KEYPAD == Key_C) pressedButton = 'C';
+        else if (PIN_KEYPAD == Key_D) pressedButton = 'D';
+        else if (PIN_KEYPAD == Key_E) pressedButton = 'E';
+        else if (PIN_KEYPAD == Key_F) pressedButton = 'F';
+        logicPressed = true;
+      }
+
+      PORT_KEYPAD = 0xF0;  //відновлюємо порт
+    }
+  } else if (PIN_KEYPAD == 0xF0)  //перевіряємо чи кнопка відпущена
+  {
+    delay(200);
+    freePinFromKeyPad = 1;
+  }
+  return logicPressed;
+}