some renames, nothing much

.gitignore

@@ -0,0 +1,79 @@
+
+# --- Build directories ---
+cmake_build/
+BUILD/
+build/
+out/
+output/
+*.map
+*.bin
+*.hex
+*.elf
+*.srec
+
+# --- Object & dependency files ---
+*.o
+*.obj
+*.d
+*.lst
+*.dep
+*.tmp
+
+# --- CMake / Ninja / Make ---
+CMakeFiles/
+CMakeCache.txt
+Makefile
+cmake_install.cmake
+*.ninja
+.ninja_deps
+.ninja_log
+CMakeUserPresets.json
+
+# --- Logs ---
+*.log
+*.trace
+*.i
+*.ii
+*.s
+
+# --- IDE & editor configuration ---
+.vscode/
+.idea/
+*.launch
+*.code-workspace
+*.user
+*.sublime*
+*.orig
+*.bak
+
+# --- macOS & Windows system files ---
+.DS_Store
+Thumbs.db
+
+# --- Python-related ---
+__pycache__/
+*.pyc
+*.pyo
+.venv/
+venv/
+
+# --- Mbed tools generated files ---
+.mbed/
+.mbedignore
+mbed_settings.py
+mbed_config.cmake
+*.mbedignore
+mbed-os/tools/
+mbed-os/cmake_build*/ 
+*/cmake_build/
+*/BUILD/
+
+# --- Firmware output ---
+*.axf
+*.sb
+*.s19
+
+# --- Miscellaneous ---
+*.zip
+*.tar.gz
+*.tgz

cvicenie_5/Button.cpp

@@ -0,0 +1,46 @@
+#include "Button.h"
+
+// Constructor
+Button::Button(PinName pin)
+    : button(pin)
+{
+    counter = 0;
+    pressed = false;
+    button.rise(callback(this, &Button::interrupt)); // attach increment function of this counter instance
+    // set pin mode : PullUp / PullDown / PullNone / OpenDrain
+};
+
+
+void Button::interrupt()
+{
+    pressed = true;
+    counter++;
+    if(counter >= 8)
+        counter=0;
+};
+
+// Destructor
+Button::~Button()
+{
+};
+
+bool Button::read(void)
+{
+    return button.read();
+};
+
+bool Button::wasPressed(void)
+{
+    if(pressed)
+    {
+        pressed = false;
+        return true;
+    }
+    else
+        return false;
+};
+
+uint16_t Button::getCount(void)
+{
+    return counter;
+};

cvicenie_5/Button.h

@@ -0,0 +1,31 @@
+#ifndef __BUTTON_H
+#define __BUTTON_H
+
+#include "mbed.h"
+
+// class Led
+class Button
+{
+private:
+    void interrupt();
+public:
+    //! Constructor
+    Button(PinName pin);
+
+    //! Destructor
+    ~Button();
+
+    // get value
+    bool read(void);
+
+    bool wasPressed(void);
+    // get number of button pressed
+    uint16_t getCount(void);
+
+private:
+    InterruptIn button;
+    volatile bool pressed;
+    volatile uint16_t counter;
+};
+
+#endif

cvicenie_5/Led.cpp

@@ -0,0 +1,66 @@
+#include "Led.h"
+
+// Constructor
+Led::Led(PinName pin)
+    : led(pin)
+{
+    led.period_ms(10);
+    led = 0;
+};
+
+// Destructor
+Led::~Led()
+{
+};
+
+void Led::set(bool s)
+{
+    if(s)
+        led = 1;
+    else
+        led = 0;
+};
+
+void Led::setDuty(float duty)
+{
+    led.write(duty);
+};
+
+float Led::getDuty()
+{
+    return led.read();  // Return the current output duty-cycle setting
+}
+
+void Led::graduallyOn()
+{
+    for(float i=0 ; i<=1; i=i+0.01)
+    {
+        this->setDuty(i);
+        ThisThread::sleep_for(20ms);
+    }
+    led = 0;
+};
+
+PwmOut* Led::getPwmOut()
+{
+    return &led;
+};
+
+void Led::tickerHandler(void)
+{
+    led = !led;
+};
+
+void Led::setBlinkPeriod(float period)
+{
+    if(period<=0)
+    {
+        ticker.detach();    // turn off ticker
+//        set(false);
+        this->set(false);   // turn off led
+        return;
+    }
+ //    ticker.attach(callback(this, &Led::tickerHandler), period);   // deprecated
+     auto float_interval = std::chrono::duration<float>(period);
+     ticker.attach(callback(this, &Led::tickerHandler), std::chrono::duration_cast<std::chrono::microseconds>(float_interval));
+}

cvicenie_5/Led.h

@@ -0,0 +1,33 @@
+#ifndef __LED_H
+#define __LED_H
+
+#include "mbed.h"
+
+// class Led
+class Led 
+{
+private:
+
+public:
+    //! Constructor
+    Led(PinName pin);
+    //! Destructor
+    ~Led();
+    // set value
+    void set(bool s);  
+    // set duty
+    void setDuty(float duty);  
+    // get duty
+    float getDuty();  
+    void graduallyOn();
+    PwmOut* getPwmOut();
+    void setBlinkPeriod(float period);
+    void tickerHandler();
+
+
+private:
+    PwmOut led;
+    Ticker ticker;
+
+};
+#endif

cvicenie_5/Uart.cpp

@@ -0,0 +1,57 @@
+#include "Uart.h"
+
+// Constructor
+Uart::Uart(PinName tx, PinName rx, int baud = 9600)
+    : serial(tx, rx, baud)
+{
+    received = false;
+    received_character = ' ';
+     // Set desired properties
+    serial.baud(baud);
+    serial.format(
+        /* bits */ 8,
+        /* parity */ SerialBase::None,
+        /* stop bit */ 1
+    );
+    serial.attach(callback(this, &Uart::rxInterrupt), SerialBase::RxIrq);
+};
+
+
+void Uart::rxInterrupt()
+{
+    char c;
+    serial.read(&c, 1);
+    received_character = c;
+    received = true;
+};
+
+// Destructor
+Uart::~Uart()
+{
+};
+
+bool Uart::isCharReceived()
+{
+    if(received)
+    {
+        received = false;
+        return true;
+    }
+    else 
+        return false;
+};
+
+char Uart::getReceivedChar()
+{
+    return received_character;
+};
+
+void Uart::writeChar(char c)
+{
+    serial.write(&c, 1);
+};
+
+UnbufferedSerial* Uart::getSerial()
+{
+    return &serial;
+};

cvicenie_5/Uart.h

@@ -0,0 +1,28 @@
+#ifndef __UART_H
+#define __UART_H
+
+#include "mbed.h"
+
+// class Led
+class Uart
+{
+private:
+    void rxInterrupt();
+public:
+    //! Constructor
+    Uart(PinName rx, PinName tx, int baud);
+
+    //! Destructor
+    ~Uart();
+
+    bool isCharReceived();
+    char getReceivedChar();
+    void writeChar(char c);
+    UnbufferedSerial* getSerial();
+private:
+    UnbufferedSerial serial;
+    volatile char received_character;
+    volatile bool received;
+};
+
+#endif

cvicenie_5/main.cpp

@@ -0,0 +1,39 @@
+#include "mbed.h"
+#include "Led.h"
+#include "Button.h"
+#include "Uart.h"
+#include <cstdio>
+#include <stdio.h>
+#include <string.h>
+
+//LED and button PIN names
+#define LED_GREEN       PC_7   // LD1 LED_GREEN
+#define LED_BLUE        PB_7   // LD2 LED_BLUE
+#define LED_RED         PG_2   // LD3 LED_RED
+#define USER_BUTTON     PC_13  // B1  USER_BUTTON
+
+int main()
+{
+
+    DigitalOut red_led(LED_RED);    // NO PWM on this pin
+    Led green_led(LED_GREEN), blue_led(LED_BLUE);
+    Button btn(USER_BUTTON);
+    Uart pc(USBTX, USBRX, 115200); // Baud Rate = 115200
+    char c;
+    uint8_t num;
+    printf("---------START-------\r\n");
+    printf("Press number : \r\n");
+    while (true) {
+        if (pc.isCharReceived()) {
+            c = pc.getReceivedChar();
+            printf("\r\n");
+            //pc.writeChar(pc.getReceivedChar());
+            if((c >='0') && (c <= '9'))
+            {
+                num = c - '0';  // conversion of character to number
+                printf("Received number : %d \r\n", num);
+                green_led.setBlinkPeriod(num);
+            }
+        }
+    }
+}

flake.nix

@@ -53,6 +53,9 @@
             pkgs.stlink
 	    pkgs.probe-rs
 	    pkgs.probe-rs-tools
+	    pkgs.bear
+	    pkgs.chafa
+	    pkgs.imagemagick
             mbedTools
             pyOcd
           ];

hod5a/main.cpp

@@ -0,0 +1,32 @@
+// main.cpp
+
+#include "mbed.h"
+
+DigitalOut led(LED1);
+Ticker ticker;
+
+void toggle_led() { led = !led; }
+
+int main() {
+    BufferedSerial serial(USBTX, USBRX);
+    serial.set_baud(9600);
+
+    char buf[32];
+    char msg[] = "Zadajte cislicu 1-9:\r\n";
+    serial.write(msg, sizeof(msg));
+
+    // Use explicit chrono type for full compatibility
+    ticker.attach(&toggle_led, std::chrono::seconds(1));
+
+    while (1) {
+        if (uint32_t num = serial.read(buf, sizeof(buf))) {
+            char c = buf[0];
+            if (c >= '1' && c <= '9') {
+                int period = c - '0';
+                ticker.detach();
+                ticker.attach(&toggle_led, std::chrono::seconds(period));
+            }
+        }
+        ThisThread::sleep_for(100ms);
+    }
+}

hod5b/.gitignore

@@ -0,0 +1,22 @@
+.build
+.mbed
+projectfiles
+*.py*
+
+# Local build directories
+cmake_build/
+BUILD/
+mbed-os/
+.mbed/
+.mbedignore
+*.elf
+*.bin
+*.hex
+*.map
+
+# IDE and temporary files
+.vscode/
+.idea/
+*.log
+*.pyc
+__pycache__/

hod5b/CMakeLists.txt

@@ -0,0 +1,33 @@
+# Copyright (c) 2020 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
+
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/mbed-os CACHE INTERNAL "")
+set(MBED_CONFIG_PATH ${CMAKE_CURRENT_BINARY_DIR} CACHE INTERNAL "")
+set(APP_TARGET mbed-os-example-blinky)
+
+include(${MBED_PATH}/tools/cmake/app.cmake)
+
+project(${APP_TARGET})
+
+add_subdirectory(${MBED_PATH})
+
+add_executable(${APP_TARGET})
+
+target_sources(${APP_TARGET}
+    PRIVATE
+        main.cpp
+)
+
+target_link_libraries(${APP_TARGET}
+    PRIVATE
+        mbed-os
+)
+
+mbed_set_post_build(${APP_TARGET})
+
+option(VERBOSE_BUILD "Have a verbose build process")
+if(VERBOSE_BUILD)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endif()

hod5b/CONTRIBUTING.md

@@ -0,0 +1,5 @@
+# Contributing to Mbed OS
+
+Mbed OS is an open-source, device software platform for the Internet of Things. Contributions are an important part of the platform, and our goal is to make it as simple as possible to become a contributor.
+
+To encourage productive collaboration, as well as robust, consistent and maintainable code, we have a set of guidelines for [contributing to Mbed OS](https://os.mbed.com/docs/mbed-os/latest/contributing/index.html).

hod5b/LICENSE

@@ -0,0 +1,165 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, "control" means (i) the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+"Object" form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
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+"Derivative Works" shall mean any work, whether in Source or Object form, that
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+"Contribution" shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
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+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
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+2. Grant of Copyright License.
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+Subject to the terms and conditions of this License, each Contributor hereby
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+4. Redistribution.
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+You may reproduce and distribute copies of the Work or Derivative Works thereof
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+
+You must give any other recipients of the Work or Derivative Works a copy of
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+If the Work includes a "NOTICE" text file as part of its distribution, then any
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+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
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+Works, if and wherever such third-party notices normally appear. The contents of
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+You distribute, alongside or as an addendum to the NOTICE text from the Work,
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+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.

hod5b/README.md

@@ -0,0 +1,73 @@
+![](./resources/official_armmbed_example_badge.png)
+# Blinky Mbed OS example
+
+The example project is part of the [Arm Mbed OS Official Examples](https://os.mbed.com/code/) and is the [getting started example for Mbed OS](https://os.mbed.com/docs/mbed-os/latest/quick-start/index.html). It contains an application that repeatedly blinks an LED on supported [Mbed boards](https://os.mbed.com/platforms/).
+
+You can build the project with all supported [Mbed OS build tools](https://os.mbed.com/docs/mbed-os/latest/tools/index.html). However, this example project specifically refers to the command-line interface tools, [Arm Mbed CLI 1](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli) and [Mbed CLI 2](https://github.com/ARMmbed/mbed-tools#installation).
+
+(Note: To see a rendered example you can import into the Arm Online Compiler, please see our [import quick start](https://os.mbed.com/docs/mbed-os/latest/quick-start/online-with-the-online-compiler.html#importing-the-code).)
+
+## Mbed OS build tools
+
+### Mbed CLI 2
+Starting with version 6.5, Mbed OS uses Mbed CLI 2. It uses Ninja as a build system, and CMake to generate the build environment and manage the build process in a compiler-independent manner. If you are working with Mbed OS version prior to 6.5 then check the section [Mbed CLI 1](#mbed-cli-1).
+1. [Install Mbed CLI 2](https://os.mbed.com/docs/mbed-os/latest/build-tools/install-or-upgrade.html).
+1. From the command-line, import the example: `mbed-tools import mbed-os-example-blinky`
+1. Change the current directory to where the project was imported.
+
+### Mbed CLI 1
+1. [Install Mbed CLI 1](https://os.mbed.com/docs/mbed-os/latest/quick-start/offline-with-mbed-cli.html).
+1. From the command-line, import the example: `mbed import mbed-os-example-blinky`
+1. Change the current directory to where the project was imported.
+
+## Application functionality
+
+The `main()` function is the single thread in the application. It toggles the state of a digital output connected to an LED on the board.
+
+**Note**: This example requires a target with RTOS support, i.e. one with `rtos` declared in `supported_application_profiles` in `targets/targets.json` in [mbed-os](https://github.com/ARMmbed/mbed-os). For non-RTOS targets (usually with small memory sizes), please use [mbed-os-example-blinky-baremetal](https://github.com/ARMmbed/mbed-os-example-blinky-baremetal) instead.
+
+## Building and running
+
+1. Connect a USB cable between the USB port on the board and the host computer.
+1. Run the following command to build the example project and program the microcontroller flash memory:
+
+    * Mbed CLI 2
+
+    ```bash
+    $ mbed-tools compile -m <TARGET> -t <TOOLCHAIN> --flash
+    ```
+
+    * Mbed CLI 1
+
+    ```bash
+    $ mbed compile -m <TARGET> -t <TOOLCHAIN> --flash
+    ```
+
+Your PC may take a few minutes to compile your code.
+
+The binary is located at:
+* **Mbed CLI 2** - `./cmake_build/<TARGET>/develop/<TOOLCHAIN>/mbed-os-example-blinky.bin`
+* **Mbed CLI 1** - `./BUILD/<TARGET>/<TOOLCHAIN>/mbed-os-example-blinky.bin`
+
+Alternatively, you can manually copy the binary to the board, which you mount on the host computer over USB.
+
+## Expected output
+The LED on your target turns on and off every 500 milliseconds.
+
+
+## Troubleshooting
+If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
+
+## Related Links
+
+* [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html).
+* [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html).
+* [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html).
+* [Mbed OS bare metal](https://os.mbed.com/docs/mbed-os/latest/reference/mbed-os-bare-metal.html).
+* [Mbed boards](https://os.mbed.com/platforms/).
+
+### License and contributions
+
+The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for more info.
+
+This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.

hod5b/mbed-os.lib

@@ -0,0 +1 @@
+https://github.com/ARMmbed/mbed-os/#17dc3dc2e6e2817a8bd3df62f38583319f0e4fed

hod6/.clangd

@@ -0,0 +1,8 @@
+CompileFlags:
+  Add:
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/arm-none-eabi/include
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/lib/gcc/arm-none-eabi/14.3.0/include
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/lib/gcc/arm-none-eabi/14.3.0/include-fixed

hod6/.gitignore

@@ -0,0 +1,23 @@
+.build
+.mbed
+projectfiles
+*.py*
+
+# Local build directories
+cmake_build/
+BUILD/
+mbed-os/
+.mbed/
+.mbedignore
+*.elf
+*.bin
+*.hex
+*.map
+
+# IDE and temporary files
+.vscode/
+.idea/
+*.log
+*.pyc
+__pycache__/
+.cache/

hod6/CMakeLists.txt

@@ -0,0 +1,33 @@
+# Copyright (c) 2020 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
+
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/mbed-os CACHE INTERNAL "")
+set(MBED_CONFIG_PATH ${CMAKE_CURRENT_BINARY_DIR} CACHE INTERNAL "")
+set(APP_TARGET mbed-os-example-blinky)
+
+include(${MBED_PATH}/tools/cmake/app.cmake)
+
+project(${APP_TARGET})
+
+add_subdirectory(${MBED_PATH})
+
+add_executable(${APP_TARGET})
+
+target_sources(${APP_TARGET}
+    PRIVATE
+        main.cpp
+)
+
+target_link_libraries(${APP_TARGET}
+    PRIVATE
+        mbed-os
+)
+
+mbed_set_post_build(${APP_TARGET})
+
+option(VERBOSE_BUILD "Have a verbose build process")
+if(VERBOSE_BUILD)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endif()

hod6/CONTRIBUTING.md

@@ -0,0 +1,5 @@
+# Contributing to Mbed OS
+
+Mbed OS is an open-source, device software platform for the Internet of Things. Contributions are an important part of the platform, and our goal is to make it as simple as possible to become a contributor.
+
+To encourage productive collaboration, as well as robust, consistent and maintainable code, we have a set of guidelines for [contributing to Mbed OS](https://os.mbed.com/docs/mbed-os/latest/contributing/index.html).

hod6/LICENSE

@@ -0,0 +1,165 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, "control" means (i) the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+"Object" form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
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+"Contribution" shall mean any work of authorship, including the original version
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+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
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+
+2. Grant of Copyright License.
+
+Subject to the terms and conditions of this License, each Contributor hereby
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+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
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+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.

hod6/README.md

@@ -0,0 +1,73 @@
+![](./resources/official_armmbed_example_badge.png)
+# Blinky Mbed OS example
+
+The example project is part of the [Arm Mbed OS Official Examples](https://os.mbed.com/code/) and is the [getting started example for Mbed OS](https://os.mbed.com/docs/mbed-os/latest/quick-start/index.html). It contains an application that repeatedly blinks an LED on supported [Mbed boards](https://os.mbed.com/platforms/).
+
+You can build the project with all supported [Mbed OS build tools](https://os.mbed.com/docs/mbed-os/latest/tools/index.html). However, this example project specifically refers to the command-line interface tools, [Arm Mbed CLI 1](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli) and [Mbed CLI 2](https://github.com/ARMmbed/mbed-tools#installation).
+
+(Note: To see a rendered example you can import into the Arm Online Compiler, please see our [import quick start](https://os.mbed.com/docs/mbed-os/latest/quick-start/online-with-the-online-compiler.html#importing-the-code).)
+
+## Mbed OS build tools
+
+### Mbed CLI 2
+Starting with version 6.5, Mbed OS uses Mbed CLI 2. It uses Ninja as a build system, and CMake to generate the build environment and manage the build process in a compiler-independent manner. If you are working with Mbed OS version prior to 6.5 then check the section [Mbed CLI 1](#mbed-cli-1).
+1. [Install Mbed CLI 2](https://os.mbed.com/docs/mbed-os/latest/build-tools/install-or-upgrade.html).
+1. From the command-line, import the example: `mbed-tools import mbed-os-example-blinky`
+1. Change the current directory to where the project was imported.
+
+### Mbed CLI 1
+1. [Install Mbed CLI 1](https://os.mbed.com/docs/mbed-os/latest/quick-start/offline-with-mbed-cli.html).
+1. From the command-line, import the example: `mbed import mbed-os-example-blinky`
+1. Change the current directory to where the project was imported.
+
+## Application functionality
+
+The `main()` function is the single thread in the application. It toggles the state of a digital output connected to an LED on the board.
+
+**Note**: This example requires a target with RTOS support, i.e. one with `rtos` declared in `supported_application_profiles` in `targets/targets.json` in [mbed-os](https://github.com/ARMmbed/mbed-os). For non-RTOS targets (usually with small memory sizes), please use [mbed-os-example-blinky-baremetal](https://github.com/ARMmbed/mbed-os-example-blinky-baremetal) instead.
+
+## Building and running
+
+1. Connect a USB cable between the USB port on the board and the host computer.
+1. Run the following command to build the example project and program the microcontroller flash memory:
+
+    * Mbed CLI 2
+
+    ```bash
+    $ mbed-tools compile -m <TARGET> -t <TOOLCHAIN> --flash
+    ```
+
+    * Mbed CLI 1
+
+    ```bash
+    $ mbed compile -m <TARGET> -t <TOOLCHAIN> --flash
+    ```
+
+Your PC may take a few minutes to compile your code.
+
+The binary is located at:
+* **Mbed CLI 2** - `./cmake_build/<TARGET>/develop/<TOOLCHAIN>/mbed-os-example-blinky.bin`
+* **Mbed CLI 1** - `./BUILD/<TARGET>/<TOOLCHAIN>/mbed-os-example-blinky.bin`
+
+Alternatively, you can manually copy the binary to the board, which you mount on the host computer over USB.
+
+## Expected output
+The LED on your target turns on and off every 500 milliseconds.
+
+
+## Troubleshooting
+If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
+
+## Related Links
+
+* [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html).
+* [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html).
+* [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html).
+* [Mbed OS bare metal](https://os.mbed.com/docs/mbed-os/latest/reference/mbed-os-bare-metal.html).
+* [Mbed boards](https://os.mbed.com/platforms/).
+
+### License and contributions
+
+The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for more info.
+
+This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.

hod6/main.cpp

@@ -0,0 +1,116 @@
+// main.cpp
+
+#include "mbed.h"
+
+#define TARGET_TX_PIN USBTX
+#define TARGET_RX_PIN USBRX
+// #define BAUD_RATE 1843200
+// #define BAUD_RATE 921600
+#define BAUD_RATE 460800
+
+static BufferedSerial serial_port(TARGET_TX_PIN, TARGET_RX_PIN, BAUD_RATE);
+
+FileHandle *mbed::mbed_override_console(int fd)
+{
+    return &serial_port;
+}
+
+DigitalOut led(LED1);
+
+#define BUFFER_SIZE 64
+static char rx_buffer[BUFFER_SIZE];
+
+// Draw a moving “sky + ground” background with optional message
+void draw_mask(uint32_t mask, int shift, const char *text = nullptr)
+{
+    const int width = 80;   // terminal columns
+    const int height = 24;  // terminal rows
+    const int horizon = 16; // sky ends here, ground below
+
+    printf("\033[2J\033[H"); // clear + home
+
+    // draw sky layer (moving clouds)
+    for (int y = 0; y < horizon; y++) {
+        for (int x = 0; x < width; x++) {
+            // Parallax: slower movement at top
+            int move = (shift / 2 + y) % width;
+            char c = ((x + move) % 11 == 0) ? '☁' : ' ';
+            printf("%c", c);
+        }
+        printf("\r\n");
+    }
+
+    // draw horizon line
+    for (int i = 0; i < width; i++) printf("-");
+    printf("\r\n");
+
+    // draw ground (grass / terrain)
+    for (int y = horizon + 1; y < height; y++) {
+        for (int x = 0; x < width; x++) {
+            int move = (shift * 2 + y) % width;
+            // simple wave pattern for terrain / hill
+            char c;
+            if (((x + move) % 7) == 0)
+                c = '^';
+            else if (((x + move) % 5) == 0)
+                c = '`';
+            else
+                c = ' ';
+            printf("%c", c);
+        }
+        printf("\r\n");
+    }
+
+    // optional text overlay at bottom
+    if (text && text[0] != '\0') {
+        printf("\r\n[RX] %s\r\n", text);
+    }
+
+    fflush(stdout);
+}
+
+int main(void)
+{
+    serial_port.set_format(8, BufferedSerial::None, 1);
+    printf("Baud: %d, Format: 8-N-1\r\n", BAUD_RATE);
+
+    uint32_t mask = 0xF0F0A55A;
+    int shift = 0;
+    char message[BUFFER_SIZE] = {0};
+    bool message_active = false;
+    Timer msg_timer;
+    Timer anim_timer;
+    msg_timer.start();
+    anim_timer.start();
+
+    while (true) {
+        if (serial_port.readable()) {
+            memset(rx_buffer, 0, sizeof(rx_buffer));
+            ssize_t num = serial_port.read(rx_buffer, sizeof(rx_buffer) - 1);
+            if (num > 0) {
+                led = !led;
+
+                strncpy(message, rx_buffer, sizeof(message) - 1);
+                message_active = true;
+                msg_timer.reset();
+            }
+        }
+
+        if (message_active && msg_timer.elapsed_time() > 1s) {
+            message_active = false;
+            memset(message, 0, sizeof(message));
+        }
+
+        // if (message_active && msg_timer.elapsed_time() > 100ms) {
+	//	shift = (shift + 1) % 8;
+
+        // }
+        if (anim_timer.elapsed_time() >= 200ms) {
+            shift = (shift + 1) % 8;
+            anim_timer.reset();
+
+	    draw_mask(mask, shift, message_active ? message : nullptr);
+        }
+        ThisThread::sleep_for(20ms);
+    }
+}

hod6/mbed-os.lib

@@ -0,0 +1 @@
+https://github.com/ARMmbed/mbed-os/#17dc3dc2e6e2817a8bd3df62f38583319f0e4fed

semestralka1/.clangd

@@ -0,0 +1,8 @@
+CompileFlags:
+  Add:
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/arm-none-eabi/include
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/lib/gcc/arm-none-eabi/14.3.0/include
+    -isystem
+    /nix/store/ih9psjpxn2pbbzw4klr9s6hmmngc52n8-gcc-arm-embedded-14.3.rel1/lib/gcc/arm-none-eabi/14.3.0/include-fixed

semestralka1/.gitignore

@@ -0,0 +1,25 @@
+.build
+.mbed
+projectfiles
+*.py*
+
+# Local build directories
+cmake_build/
+BUILD/
+mbed-os/
+.mbed/
+.mbedignore
+*.elf
+*.bin
+*.hex
+*.map
+
+# IDE and temporary files
+.vscode/
+.idea/
+*.log
+*.pyc
+__pycache__/
+.cache/
+
+compile_commands.json

semestralka1/CMakeLists.txt

@@ -0,0 +1,42 @@
+# Copyright (c) 2020 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
+
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/mbed-os CACHE INTERNAL "")
+set(MBED_CONFIG_PATH ${CMAKE_CURRENT_BINARY_DIR} CACHE INTERNAL "")
+set(APP_TARGET mbed-os-example-blinky)
+
+include(${MBED_PATH}/tools/cmake/app.cmake)
+
+project(${APP_TARGET})
+
+add_subdirectory(${MBED_PATH})
+
+add_executable(${APP_TARGET})
+
+# Recursively collect all .cpp files under src/
+file(GLOB_RECURSE SRC_FILES CONFIGURE_DEPENDS "src/*.cpp")
+
+target_sources(${APP_TARGET}
+    PRIVATE
+        ${SRC_FILES}
+)
+
+# Make includes of headers work
+target_include_directories(${APP_TARGET}
+    PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/src
+)
+
+target_link_libraries(${APP_TARGET}
+    PRIVATE
+        mbed-os
+)
+
+mbed_set_post_build(${APP_TARGET})
+
+option(VERBOSE_BUILD "Have a verbose build process")
+if(VERBOSE_BUILD)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endif()

semestralka1/README.md

@@ -0,0 +1,5 @@
+# Semestralka na VPS
+
+Tato hra je najsamlepsejsia na celom svete.
+Iba si treba matchnut baudrate a moze sa gamesit.
+

semestralka1/chafa/background/background_dark_inverted.txt

@@ -0,0 +1,19 @@
+~`````````````````````````````````````````````````````````````````````````````````````"````````````````````````````````~```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````+````````````````````~````````````````````````````````~```````````````````````````````````````````````````````
+...................................................................,.......................:..........................................'.........`..:.....................................................................................................+...................................:...........:..,................................................
+..........................."............................................._................................+...........................................................................................................,..............................................`..............................................................!........................
+.......`...............!..:..............................................`,...,,,'........_.....................''::.....:........................^......................,,...........................................':.......'........................,....,,,.......................+...,...'::'.............................^......................,,....
+...`......................"...........`.....`...................._,....:,::::^.`::::::........'''``....`....y..^............-...........................................:'.....................,........".....................................:_......,,:::..`'`::::.........'''`..........+....+........,............................................,:`....
+,,,,,,,,,,,`,,,,,,,^,,,,,,,,,,,_,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,`a',,,,,,',.+,,,''''`.........,,'?'!#R,,,,,,,,,,,,,y,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,__,,,_',,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,y'`,,,,,'.,,,,,,.'''`........,,''^,s@^,,,,,,,,,,,,_;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_,,,_,`,,,,,,
+,,,,,,,,,,^,,,,,,','''':,,,,,,,,,,,,,,,,,,,,,,''',,,,,,,,,,+,,,,,,,,,:'!^'`,,``..'.'''`,,,,,,,yy_,_yaF,,.'`'',,,,,ym$###$@M@,,,,,;,,,,,,,,,,,,,,,,,,,,,''''':,y,,,7#@@~,,,,,,,,,,,,,,,,,~,,,,,,,::'''::,~,,,,,,,,,,,,,,,,,,,'''',,,,,,,,,,,,,,,,,,,::'~''`,```..``''',,,,,,,yy___ygR^,.,`'`,,,,,,wa###$@R@:,,,,,,,,,,,,,,,,,,,,,,,,,,'''''',,X,,~T@@R,,,,,,,,
+@@@@@@@@@@@@@@$~`,'________~TF?5#@@@@@@@``4@@E,,,4@@@@@@@@@@@@@#MT~yg$^$P_____..,...:_________@@______;'...'.?@@@@@@@@@@@@@@@@@@@@@@@@@@@MR@@@@@@@@@@B,,,,,,,4@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@P...________~TFFF#R@@@@@@F,`$@@,,,,@@RR@@@@@@@@@RPF~_g$Mb$______..,..,_________9@y______',....~$@@@@@@@@@@@@@@@@@@@@@@@@@@##R@@@@@@@@@@~,,,,,,~@@@@@@@@@@@@@@@@@
+@@@@@@@@@@@@@@@yggy@@@@@@@@@@@@@@@@@@@@$$$@@@@@@@@@@@@@@@@@@@@@@@@@@@@g$@@@@@@yy$ggg$@@@@@@@@@g$@@@@@@$$_g____@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ggggggg@@@@@@@@@PM@@@@@@@@@@@@@@@@@@@@@@gygy$@@@@@@@@@@@@@@@@@@@@$$$@@@@@@@@@@@@@@@@@@@@@@@@@@@gg@@@@@@gyg$ggg@@@@@@@@@F$$@@@@@@$Fyw___4@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ggggg$gg@@@@@@@@@F@@@@@@@@
+@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+@@@@@@@@@@@@@@@@@@@@@@@@@@@@##@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@R@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+MRRRRRRRRRRAA#PPF=FFF~~~~~~~~~~~~~~~~~~~~~~~FFPPRR@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@$$@@@@@@@@@@@@@g@@@@@@@@@@@$@@@@@@@@@RRRRRRRRRRRRRPPPP@@@@@@@R@@@@@@@@@@@@@@@@@@@$$RRRRRRRRRRR@0#PPPPFFFF~~~~~~~~~~~~~~~~~~~~~~FFFPPR@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@g$@@@@@@$@$@@@@@@@@@@@@@@g@@@@@@@@@@@$@@@@@@@@@RRRRRRRRRRRRPP=MA@@@@@@@R@@@@@@@@@@@@@@@@@@@@R
+MF~~~~~~``.___yyyam....,,,,,,,,,yyw,-yyyyy.,,....,yg@PPPPPPPPPPPPRRRRRRRRRR#RR$@@@@@@@@@@ETT~~~~~~~~~~~FFFFFFFFFR@@@#=PPFF~~~`,,,,ggg,_.,___..._,y@PPPRRRR###5RRRRRR@@@@@@@@@PFFT~~~~~``..___yyyg....,,,,,,,,,,yy,,yyyyy,.,....._g@PPPPPP4PPPPPPRRRRRRRRRRRR@@@@@@@@@@@ETTT~~~~~~~~~~FFFFFFFFF5@@@R#=PFFF~~~,,,,aggy_..,__,.._,_$@PPRRRRR#$4GRRRRR@@@@@@@@@@F
+...,,,:::::4@@@@@@~...,,,,,,,,,,$@$:_@@@@@_ggaggg@@F~.::::,,,,,,,,,,,yyyyyy,_yggg@@@@@@@@MF#$ggagggyww::$@M@@@@..~$.,,:3@@@$A::::,"@@g$_:d@@..~~@~`,,,,,,,,,,yyyx,,,,,,,ggg_......,,::::::@@@@@@$....:,,,,,,,,,@@:_$@@@@yg$g$ggg@@~`::::,,,,,,,,,,,yyyyyy_,yygg$@@@@@@@@F5aagggggyyw,:d@P@@@@L.`5r,,,:@@@@UL`:::,N@@gy.:@@F.>~5F~,,,,,,,,,,,yyy,,,,,,,,ggy...
+...,,,,,,,,4@@@$g@....,7^=sa@@$a@@@@@@@@@@@@@@@@@@~``.`,,,,,,,,:::`,g@R@BZa$TTTTF5PM@@@@^:`'`~T5#@@y_`,u@~$@$@@g_,F,,,,`@@@@'':^na$g@@@=_:@@.`,.4__,,,,,,,,,g@@K:,,,,,,g@@@@w....,,,,,,,,,$@@$g@F...,,^=#aa@$gg@@@@@@@@@@@@@@@@@F``.`,,,,,,,,,::`,:@@P@R5$T~TTFFPP5@@@$:'``~~7P@@y_``,$E4@W@$@y,4::,,`3@@@[`:,raagg@@Fk`@@L.,.`g_,,,,,,,,,,g@@~:,,,,,,g@@@$..
+..,:''``a$gg@$@@ZF...:,,,,,,:`~T@@@@@@@@@@@@@A@@^``...:,,,,,`,,::,.,@@@@@@@@,`.`````@@@[',,,,,,,,,,`TR@@@@@@@$@@@`'''':,A@MP.,,,,,"~TT@,`3@@*g'.`4@':,,,,,,:EDT,,,,,,,_@@@@@$....:':':H$$g@$@@$@....,,,,,`:`~7R@@@@@@@@@@@@AR@@```..,',,,'``,,::,,d@0@@@@@y`.`````g@@@`',,,,,,,,,:79@$@@@@@@@@@'"``':,!$FP~:,,,,,~~7@y.~A@mg@'."@F::,,,,,,4ER~,,,,,,,g@@@@@..
+..:`::':''~F@@@@@....:````:`:,``"FB@P~5@@@$~~3@@L....::``',:``,:::,`g@@@@@@@@.```.:7@@@F:`````````::,:`@Fy@@$@@@F.::`:::`$@@L`````````~%.`$F.B`..`B::::````4PF````````@@@@@@B...,:,,:::``TM@@@@$...:````:,`````7M$@F~@@@@~~"@@@.....:,`',:'`':::,,x@@@@@@@@,....`:@@@@:``````````:::,g@ya@@@@@@.,'`'::`4@@g,```,`````4.."@.$^...4~`::````_RP~```````g@@@@@@L.
+.,,`,```,,``@@@@@,,.``````````,,4@~,,,"$@@$,,$@@m',..,,,``,,````,``g@@@@@@@@@,'`,..,"Z@F``````````````_a@@@@@@@@'.`,,````~@@F``,````,,,,,,4(``....`'```,,,g@~,,``````g@@@@@@@,,.,,,```,,,`4@@@@~,.,```````'`,,`B$,,,,$gZ$r,:@@@',...,,,``,````,``:@@@@$@@@@@.',...`~@@```````````````D$@@@@@@@E,``:`````@@R``,````,,,,,,`R'['.,..,````,,`@B,,``````g@@@@@@@L,
+.',,,,,,,,,,4@@@E,,,,,,,,,,,,,,,,@,,,,,5@@@,,$@@@,,..,,,,,,,,,,,,,,@@@@@@@@@@@,,,..`,,@F,,,,,,,,,,,,,,@@@@@@@@@@,,',,,,,,,~,,,,,,,,,,,,,,,,L,..,,.':,,,,,y@~,,,,,,,,g@@@@@@@@,,.',,,,,,,,,,@@@@,,.:,,,,,,,,,,,,$F,,,,"@@@F,d@@@,,,..,,,,,,,,,,,,,d@@@@@@@@@@L,,,..,,4@,,,,,,,,,,,,,,g@@@@@@@@@F,,',,,,,,~^,,,,,,,,,,,,,,,T,...,..,,,,,,,$E,,,,,,,,y@@@@@@@@$,

semestralka1/chafa/background/background_inverted.txt

@@ -0,0 +1,19 @@
+.............................................................................................................................................................................................................................................................................................................................................................
+......................````````````````````................................`````````````````````.....................................................................................................````````````````````...............................`````````````````````.................................................................................
+.............................................................................................................................................................................................................................................................................................................................................................
+.............................................................................................................................................................................................................................................................................................................................................................
+.............................................................................................................................................................................................................................................................................................................................................................
+.............................................................................................................................................................................................................................................................................................................................................................
+......................................................................................`..................................................'..........................................................................................................................`..................................................'.....................................
+.............................................................................................................................................................................................................................................................................................................................................................
+........................................................................................................................................................................................................................................................`....................................................................................................
+........................'''`'''''``............'`'''''......._,_yr,..._,,........................................................................_,,,,................................................'''`'''''``............'`'''''......,_,yy+,..._,,........................................................................_,,,,.........................
+..................```.......................................```~~``^?~"``::.,,,,,,,,,,,::::````'````..........``'''...`......,,,,,,,:,,:,,,,..,,:~````:,,,............,,,,......................```.......................................``"~~``^?~```:..,,,,,,,,,,,:::'`````````..........````'...`......,,,,,,::,,:,,,,..,,:~```',,,,............,,,,.....
+.''``''`....`..............................................................._..`````.......................................```````'`````````''`````````..............``````````'''`''`....`..............................................................._..`````.......................................````'``'`````````''`````````..............`````````'
+._.............................____yyyyyyyagggggggggggggggggggggga_..........~Th=ay__.............._____yyyyyyyyyyyyyyyyy___...+_.........................agyy_yyyyyyyyyyyyyyy_,.............................____yyyyyyyagggggggggggggggggggggga,..........~T=*wy_,.............,_____yyyyyyyyyyyyyyyy____..:._.........................agyy_yyyyyyyyyyyyyyy_
+.@@$gyy_,.....__yyyyyaggg$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$$$$aaaaaa@@@$gga$$$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$gZgyy_________yyyyyyyag$@@@@@@@@@@@@@@@@@@@@@@@@@$gyy_,.....__yyyyyagg$$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$$$$aaaaaa@@@$gga$$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$gZgyy_________yyyyyyyag$@@@@@@@@@@@@@@@@@@@@@@$
+.@@@@@@@@@$g@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$
+.@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@B@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@M@$@@@@@B0@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@A@$@@@@@B@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$
+.@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$
+.@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$
+.RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR4RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRF

semestralka1/chafa/chafa_commands.txt

@@ -0,0 +1,4 @@
+nix-shell -p imagemagick
+identify background.jpg
+chafa --symbols ascii --fill none --size=6912x793 background.jpg > out.txt
+chafa --symbols ascii-block -c none --fill none --invert --size=349x40 background_dark.jpg > background_dark_inverted.txt

semestralka1/chafa/character/2out.txt

@@ -0,0 +1,7 @@
+.....a@$..
+.....7PF..
+..yaM@@__y
+..@.y@FFF~
+..._$M@_..
+yaa@~.`@y.
+........@r

semestralka1/chafa/character/3out.txt

@@ -0,0 +1,7 @@
+.g@$
+.7PF
+y@$.
+0@F.
+4@$.
+y$@.
+u@..

semestralka1/chafa/character/out.txt

@@ -0,0 +1,9 @@
+......_g@$w..
+......4@@@F..
+.....yyyy`...
+...g@~@@@y_ys
+..4F..@@FTF~.
+.....g@@g,...
+..._a@^.4@_..
+4R@F~....7@y.
+..........~@.

semestralka1/chafa/character/out_crawl1.txt

@@ -0,0 +1,4 @@
+.._$@.
+.$By`.
+4@$@@a
+aa@W@.

semestralka1/chafa/character/out_crawl2.txt

@@ -0,0 +1,3 @@
+a@@Bw_,
+7@@Db@$
+4@@PF#@

semestralka1/chafa/character/run_chafa.txt

@@ -0,0 +1,4 @@
+chafa --symbols ascii-block -c none --fill none --invert --size=13x20 predloha_run_a.jpg > out.txt
+
+a = 78x111
+b = 34x111

semestralka1/mbed-os.lib

@@ -0,0 +1 @@
+https://github.com/ARMmbed/mbed-os/#17dc3dc2e6e2817a8bd3df62f38583319f0e4fed

semestralka1/src/background_dark_inverted.h

@@ -0,0 +1,22 @@
+// background_dark_inverted.h
+#pragma once
+
+static const char *BACKGROUND_MASK[] = {
+    "~`````````````````````````````````````````````````````````````````````````````````````\"````````````````````````````````~```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````+````````````````````~````````````````````````````````~```````````````````````````````````````````````````````",
+    "...................................................................,.......................:..........................................'.........`..:.....................................................................................................+...................................:...........:..,................................................",
+    "...........................\"............................................._................................+...........................................................................................................,..............................................`..............................................................!........................",
+    ".......`...............!..:..............................................`,...,,,'........_.....................''::.....:........................^......................,,...........................................':.......'........................,....,,,.......................+...,...'::'.............................^......................,,....",
+    "...`......................\"...........`.....`...................._,....:,::::^.`::::::........'''``....`....y..^............-...........................................:'.....................,........\".....................................:_......,,:::..`'`::::.........'''`..........+....+........,............................................,:`....",
+    ",,,,,,,,,,,`,,,,,,,^,,,,,,,,,,,_,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,`a',,,,,,',.+,,,''''`.........,,'?'!#R,,,,,,,,,,,,,y,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,__,,,_',,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,y'`,,,,,'.,,,,,,.'''`........,,''^,s@^,,,,,,,,,,,,_;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_,,,_,`,,,,,,",
+    ",,,,,,,,,,^,,,,,,','''':,,,,,,,,,,,,,,,,,,,,,,''',,,,,,,,,,+,,,,,,,,,:'!^'`,,``..'.'''`,,,,,,,yy_,_yaF,,.'`'',,,,,ym$###$@M@,,,,,;,,,,,,,,,,,,,,,,,,,,,''''':,y,,,7#@@~,,,,,,,,,,,,,,,,,~,,,,,,,::'''::,~,,,,,,,,,,,,,,,,,,,'''',,,,,,,,,,,,,,,,,,,::'~''`,```..``''',,,,,,,yy___ygR^,.,`'`,,,,,,wa###$@R@:,,,,,,,,,,,,,,,,,,,,,,,,,,'''''',,X,,~T@@R,,,,,,,,",
+    "@@@@@@@@@@@@@@$~`,'________~TF?5#@@@@@@@``4@@E,,,4@@@@@@@@@@@@@#MT~yg$^$P_____..,...:_________@@______;'...'.?@@@@@@@@@@@@@@@@@@@@@@@@@@@MR@@@@@@@@@@B,,,,,,,4@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@P...________~TFFF#R@@@@@@F,`$@@,,,,@@RR@@@@@@@@@RPF~_g$Mb$______..,..,_________9@y______',....~$@@@@@@@@@@@@@@@@@@@@@@@@@@##R@@@@@@@@@@~,,,,,,~@@@@@@@@@@@@@@@@@",
+    "@@@@@@@@@@@@@@@yggy@@@@@@@@@@@@@@@@@@@@$$$@@@@@@@@@@@@@@@@@@@@@@@@@@@@g$@@@@@@yy$ggg$@@@@@@@@@g$@@@@@@$$_g____@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ggggggg@@@@@@@@@PM@@@@@@@@@@@@@@@@@@@@@@gygy$@@@@@@@@@@@@@@@@@@@@$$$@@@@@@@@@@@@@@@@@@@@@@@@@@@gg@@@@@@gyg$ggg@@@@@@@@@F$$@@@@@@$Fyw___4@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ggggg$gg@@@@@@@@@F@@@@@@@@",
+    "@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@",
+    "@@@@@@@@@@@@@@@@@@@@@@@@@@@@##@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@R@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@$@@@@@@$@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@",
+    "MRRRRRRRRRRAA#PPF=FFF~~~~~~~~~~~~~~~~~~~~~~~FFPPRR@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@@$@@@@@@@@$$@@@@@@@@@@@@@g@@@@@@@@@@@$@@@@@@@@@RRRRRRRRRRRRRPPPP@@@@@@@R@@@@@@@@@@@@@@@@@@@$$RRRRRRRRRRR@0#PPPPFFFF~~~~~~~~~~~~~~~~~~~~~~FFFPPR@@@@@@@@@@$@@@@@@@@@@@@@@@@@@@@@g$@@@@@@$@$@@@@@@@@@@@@@@g@@@@@@@@@@@$@@@@@@@@@RRRRRRRRRRRRPP=MA@@@@@@@R@@@@@@@@@@@@@@@@@@@@R",
+    "MF~~~~~~``.___yyyam....,,,,,,,,,yyw,-yyyyy.,,....,yg@PPPPPPPPPPPPRRRRRRRRRR#RR$@@@@@@@@@@ETT~~~~~~~~~~~FFFFFFFFFR@@@#=PPFF~~~`,,,,ggg,_.,___..._,y@PPPRRRR###5RRRRRR@@@@@@@@@PFFT~~~~~``..___yyyg....,,,,,,,,,,yy,,yyyyy,.,....._g@PPPPPP4PPPPPPRRRRRRRRRRRR@@@@@@@@@@@ETTT~~~~~~~~~~FFFFFFFFF5@@@R#=PFFF~~~,,,,aggy_..,__,.._,_$@PPRRRRR#$4GRRRRR@@@@@@@@@@F",
+    "...,,,:::::4@@@@@@~...,,,,,,,,,,$@$:_@@@@@_ggaggg@@F~.::::,,,,,,,,,,,yyyyyy,_yggg@@@@@@@@MF#$ggagggyww::$@M@@@@..~$.,,:3@@@$A::::,\"@@g$_:d@@..~~@~`,,,,,,,,,,yyyx,,,,,,,ggg_......,,::::::@@@@@@$....:,,,,,,,,,@@:_$@@@@yg$g$ggg@@~`::::,,,,,,,,,,,yyyyyy_,yygg$@@@@@@@@F5aagggggyyw,:d@P@@@@L.`5r,,,:@@@@UL`:::,N@@gy.:@@F.>~5F~,,,,,,,,,,,yyy,,,,,,,,ggy...",
+    "...,,,,,,,,4@@@$g@....,7^=sa@@$a@@@@@@@@@@@@@@@@@@~``.`,,,,,,,,:::`,g@R@BZa$TTTTF5PM@@@@^:`'`~T5#@@y_`,u@~$@$@@g_,F,,,,`@@@@'':^na$g@@@=_:@@.`,.4__,,,,,,,,,g@@K:,,,,,,g@@@@w....,,,,,,,,,$@@$g@F...,,^=#aa@$gg@@@@@@@@@@@@@@@@@F``.`,,,,,,,,,::`,:@@P@R5$T~TTFFPP5@@@$:'``~~7P@@y_``,$E4@W@$@y,4::,,`3@@@[`:,raagg@@Fk`@@L.,.`g_,,,,,,,,,,g@@~:,,,,,,g@@@$..",
+    "..,:''``a$gg@$@@ZF...:,,,,,,:`~T@@@@@@@@@@@@@A@@^``...:,,,,,`,,::,.,@@@@@@@@,`.`````@@@[',,,,,,,,,,`TR@@@@@@@$@@@`'''':,A@MP.,,,,,\"~TT@,`3@@*g'.`4@':,,,,,,:EDT,,,,,,,_@@@@@$....:':':H$$g@$@@$@....,,,,,`:`~7R@@@@@@@@@@@@AR@@```..,',,,'``,,::,,d@0@@@@@y`.`````g@@@`',,,,,,,,,:79@$@@@@@@@@@'\"``':,!$FP~:,,,,,~~7@y.~A@mg@'.\"@F::,,,,,,4ER~,,,,,,,g@@@@@..",
+};
+static const int VIEW_HEIGHT = sizeof(BACKGROUND_MASK) / sizeof(BACKGROUND_MASK[0]);

semestralka1/src/main.cpp

@@ -0,0 +1,26 @@
+// main.cpp
+
+#include "mbed.h"
+#include "background_dark_inverted.h"
+#include "render/loop.h"
+
+#define TARGET_TX_PIN USBTX
+#define TARGET_RX_PIN USBRX
+#define BAUD_RATE 460800
+
+BufferedSerial serial_port(TARGET_TX_PIN, TARGET_RX_PIN, BAUD_RATE);
+
+FileHandle *mbed::mbed_override_console(int fd)
+{
+    return &serial_port;
+}
+
+DigitalOut led(LED1);
+
+int main(void) {
+    serial_port.set_format(8, BufferedSerial::None, 1);
+    printf("Baud: %d, Format: 8-N-1\r\n", BAUD_RATE);
+
+    // Just call into render feature
+    render_loop(4);
+}

semestralka1/src/render/background.cpp

@@ -0,0 +1,35 @@
+// src/render/background.cpp
+
+#include "../background_dark_inverted.h"
+#include <cstdio>
+#include <cstring>
+
+void draw_mask(const char *unused_filename, int shift, const char *text) {
+    const int view_width = 90;
+    const int view_height = 16;
+
+    // Terminal clear + home
+    printf("\033[2J\033[H");
+
+    for (int i = 0; i < view_height && i < VIEW_HEIGHT; i++) {
+        const char *row = BACKGROUND_MASK[i];
+        int width = strlen(row);
+        if (width == 0) {
+            printf("\r\n");
+            continue;
+        }
+
+        int start = shift % width;
+
+        for (int j = 0; j < view_width; j++) {
+            printf("%c", row[(start + j) % width]);
+        }
+        printf("\r\n");
+    }
+
+    if (text && text[0] != '\0') {
+        printf("\r\n[RX] %s\r\n", text);
+    }
+
+    fflush(stdout);
+}

semestralka1/src/render/background.h

@@ -0,0 +1,6 @@
+// src/render/background.h
+
+#pragma once
+
+// Draws the ASCII art background with optional message
+void draw_mask(const char *unused_filename, int shift, const char *text = nullptr);

semestralka1/src/render/loop.cpp

@@ -0,0 +1,175 @@
+// src/render/loop.cpp
+#include "loop.h"
+#include "../background_dark_inverted.h"
+#include "player_positioning.h"
+#include "background.h"
+#include "mbed.h"
+#include "player.h"
+#include "player_mask.h"
+#include <cstring>
+
+extern BufferedSerial serial_port;
+extern DigitalOut led;
+
+// Constants
+constexpr size_t BUFFER_SIZE = 64;
+constexpr auto CRAWL_DURATION = 300ms;
+constexpr auto ANIMATION_TICK = 170ms;
+constexpr auto MESSAGE_DISPLAY_DURATION = 1s;
+constexpr int PLAYER_X = 9;
+constexpr int PLAYER_Y = 6;
+
+// PlayerState is what user pressed. We are mapping CharacterState to it
+enum class PlayerState { Walk1, Walk2, Crawl1 };
+
+struct WalkingState {
+  PlayerState current_state = PlayerState::Walk1;
+  Timer state_timer;
+};
+
+static char rx_buffer[BUFFER_SIZE];
+static char message[BUFFER_SIZE];
+static bool message_active = false;
+
+void draw_mask(const char *unused_filename, int shift, const char *text);
+
+// Returns:
+// 0 = no change - walk1
+// 1 = normal redraw - walk2
+// 2 = button triggered - crawl1
+static int read_uart() {
+  bool changed = false;
+  bool triggered = false;
+
+  // cita spravu z uartu
+  if (serial_port.readable()) {
+    memset(rx_buffer, 0, sizeof(rx_buffer));
+    ssize_t num = serial_port.read(rx_buffer, sizeof(rx_buffer) - 1);
+    if (num > 0) {
+      led = !led; // toogle ledky
+      strncpy(message, rx_buffer, sizeof(message) - 1);
+      message_active = true;
+      changed = true;
+      triggered = true;
+    }
+  }
+
+  // casovac na 1s zobrazenia spravy
+  static Timer msg_timer;
+  static bool timer_started = false;
+  if (!timer_started) {
+    msg_timer.start();
+    timer_started = true;
+  }
+
+  // po jednu sekundu sa sprava zobrazi
+  if (message_active && msg_timer.elapsed_time() > MESSAGE_DISPLAY_DURATION) {
+    message_active = false;
+    memset(message, 0, sizeof(message));
+    msg_timer.reset();
+    changed = true;
+  }
+
+  if (triggered)
+    return 2; // LED toggled press
+  if (changed)
+    return 1;
+  return 0;
+}
+
+static bool update_animation(Timer &anim_timer, int &shift, int speed) {
+  if (anim_timer.elapsed_time() >= ANIMATION_TICK) {
+    // speed determines scroll steps per tick
+    shift += speed;
+    anim_timer.reset();
+    return true;
+  }
+  return false;
+}
+
+static CharacterFrame get_character_frame(PlayerState state) {
+  switch (state) {
+  case PlayerState::Walk1:
+    return CharacterFrame::Walk1;
+  case PlayerState::Walk2:
+    return CharacterFrame::Walk2;
+  case PlayerState::Crawl1:
+    return CharacterFrame::Crawl1;
+  default:
+    return CharacterFrame::Walk1;
+  }
+}
+
+static void update_player_state(WalkingState &state) {
+  // stop crawling
+  if (state.current_state == PlayerState::Crawl1 &&
+      state.state_timer.elapsed_time() >= CRAWL_DURATION) {
+    state.current_state = PlayerState::Walk1;
+    state.state_timer.stop();
+  }
+}
+
+static void toggle_walk_frame(WalkingState &state) {
+  if (state.current_state == PlayerState::Walk1) {
+    state.current_state = PlayerState::Walk2;
+  } else if (state.current_state == PlayerState::Walk2) {
+    state.current_state = PlayerState::Walk1;
+  }
+}
+
+static void start_crawl(WalkingState &state) {
+  state.current_state = PlayerState::Crawl1;
+  state.state_timer.reset();
+  state.state_timer.start();
+}
+
+void render_loop(int speed) {
+  WalkingState player_state;
+
+  Timer anim_timer;
+  anim_timer.start();
+  int shift = 0;
+
+  CharacterPosition pos = {PLAYER_X, PLAYER_Y};
+
+  const char *bg_file = "background_dark_inverted.txt";
+  bool need_redraw = false;
+
+  while (true) {
+    need_redraw = false;
+    int uart_state = read_uart(); // returns 0/1/2
+
+    if (uart_state == 1) {
+      need_redraw = true;
+    }
+
+    if (uart_state == 2) {
+      // start crawl frame for x time
+      start_crawl(player_state);
+      need_redraw = true;
+    }
+
+    // Check if crawl duration expired
+    update_player_state(player_state);
+
+    if (update_animation(anim_timer, shift, speed)) {
+      need_redraw = true;
+    }
+
+    if (need_redraw) {
+      draw_mask(bg_file, shift, message_active ? message : nullptr);
+      CharacterFrame player_frame = get_character_frame(player_state.current_state);
+      CharacterPosition draw_pos = get_aligned_frame_position(pos, player_frame);
+      draw_character(draw_pos.x, draw_pos.y, player_frame);
+
+      // alternate between frame 0 and 1 when not crawling
+      if (player_state.current_state != PlayerState::Crawl1) {
+        toggle_walk_frame(player_state);
+      }
+
+      ThisThread::sleep_for(50ms);
+    }
+
+    ThisThread::sleep_for(25ms);
+  }
+}

semestralka1/src/render/loop.h

@@ -0,0 +1,6 @@
+// src/render/loop.h
+
+#pragma once
+
+// Runs the render loop: reads UART, animates, and draws output
+void render_loop(int speed);

semestralka1/src/render/player.cpp

@@ -0,0 +1,33 @@
+// src/render/player.cpp
+#include "player.h"
+#include "player_mask.h"
+#include <cstdio>
+
+void draw_character(int x, int y, CharacterFrame frame) {
+    int frame_index = static_cast<int>(frame);
+    if (frame_index < 0 || frame_index >= CHARACTER_FRAME_COUNT)
+        frame_index = 0; // fallback safety
+
+    const char **character = PLAYER_FRAMES[frame_index];
+
+    int character_height = 0;
+    switch (frame) {
+    case CharacterFrame::Walk1:
+        character_height = CHARACTER_HEIGHT_1;
+        break;
+    case CharacterFrame::Walk2:
+        character_height = CHARACTER_HEIGHT_2;
+        break;
+    case CharacterFrame::Crawl1:
+        character_height = CHARACTER_HEIGHT_3;
+        break;
+    default:
+        character_height = CHARACTER_HEIGHT_1;
+        break;
+    }
+
+    for (int i = 0; i < character_height; i++) {
+        printf("\033[%d;%dH%s", y + i + 1, x + 1, character[i]);
+    }
+    fflush(stdout);
+}

semestralka1/src/render/player.h

@@ -0,0 +1,6 @@
+// src/render/player.h
+#pragma once
+#include "player_mask.h"
+
+// Draw the player object starting at given (x, y)
+void draw_character(int x, int y, CharacterFrame frame);

semestralka1/src/render/player_mask.h

@@ -0,0 +1,54 @@
+// src/render/player_mask.h
+
+#pragma once
+
+// Player frame 1
+static const char *CHARACTER_MASK_FRAME_1[] = {
+    ".....a@$..",
+    ".....7PF..",
+    "..yaM@@__y",
+    "..@.y@FFF~",
+    "..._$M@_..",
+    "yaa@~.`@y.",
+    "........@r"
+};
+
+// Player frame 2
+static const char *CHARACTER_MASK_FRAME_2[] = {
+    ".g@$",
+    ".7PF",
+    "y@$.",
+    "0@F.",
+    "4@$.",
+    "y$@.",
+    "u@.."
+};
+
+// Player frame 3 (triggered)
+static const char *CHARACTER_MASK_FRAME_3[] = {
+    ".._$@.",
+    ".$By`.",
+    "4@$@@a",
+    "aa@W@."
+};
+
+enum class CharacterFrame {
+    Walk1 = 0,
+    Walk2,
+    Crawl1,
+    COUNT // number of frames, must stay last
+};
+
+// Combine frames for easy access
+static const char **PLAYER_FRAMES[] = {
+    CHARACTER_MASK_FRAME_1, // Walk1
+    CHARACTER_MASK_FRAME_2, // Walk1
+    CHARACTER_MASK_FRAME_3  // Crawl1
+};
+
+static const int CHARACTER_FRAME_COUNT = static_cast<int>(CharacterFrame::COUNT);
+
+// Height per frame
+static const int CHARACTER_HEIGHT_1 = sizeof(CHARACTER_MASK_FRAME_1) / sizeof(CHARACTER_MASK_FRAME_1[0]);
+static const int CHARACTER_HEIGHT_2 = sizeof(CHARACTER_MASK_FRAME_2) / sizeof(CHARACTER_MASK_FRAME_2[0]);
+static const int CHARACTER_HEIGHT_3 = sizeof(CHARACTER_MASK_FRAME_3) / sizeof(CHARACTER_MASK_FRAME_3[0]);

semestralka1/src/render/player_positioning.cpp

@@ -0,0 +1,25 @@
+// src/render/player_positioning.cpp
+#include "player_positioning.h"
+#include "../background_dark_inverted.h"
+#include <cstdio>
+
+// Convert a pivot coordinate (bottom-left) to the top-left draw position
+CharacterPosition get_aligned_frame_position(CharacterPosition base, CharacterFrame frame) {
+    int frame_index = static_cast<int>(frame);
+    if (frame_index < 0 || frame_index >= CHARACTER_FRAME_COUNT)
+        frame_index = 0;
+
+    int character_height = 0;
+    if (frame_index == 0)
+        character_height = CHARACTER_HEIGHT_1;
+    else if (frame_index == 1)
+        character_height = CHARACTER_HEIGHT_2;
+    else
+        character_height = CHARACTER_HEIGHT_3;
+
+    CharacterPosition draw_pos;
+    draw_pos.x = base.x;
+    draw_pos.y = (VIEW_HEIGHT - base.y) - character_height;
+
+    return draw_pos;
+}

semestralka1/src/render/player_positioning.h

@@ -0,0 +1,12 @@
+// src/render/player_positioning.h
+#pragma once
+#include "../background_dark_inverted.h"
+#include "player_mask.h"
+
+struct CharacterPosition {
+    int x;
+    int y;
+};
+
+// Calculates drawing position relative to bottom-left pivot
+CharacterPosition get_aligned_frame_position(CharacterPosition base, CharacterFrame frame);