working print to the terminal

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);
+            }
+        }
+    }
+}

hod5a/main.cpp

@@ -2,57 +2,31 @@
 
 #include "mbed.h"
 
-#define MAXIMUM_BUFFER_SIZE 32
+DigitalOut led(LED1);
-
-DigitalOut led1(LED1);
-static BufferedSerial serial_port(USBTX, USBRX);
-
-class Led {
-private:
 Ticker ticker;
-    bool ledState;
 
-public:
+void toggle_led() { led = !led; }
-    Led() : ledState(false) {
-        led1 = ledState;
-    }
 
-    void setBlinkPeriod(float period) {
+int main() {
-        ticker.detach();
+    BufferedSerial serial(USBTX, USBRX);
-        ticker.attach(callback(this, &Led::tickerHandler), period / 2.0f);
+    serial.set_baud(9600);
-    }
 
-    void tickerHandler() {
+    char buf[32];
-        ledState = !ledState;
+    char msg[] = "Zadajte cislicu 1-9:\r\n";
-        led1 = ledState;
+    serial.write(msg, sizeof(msg));
-    }
-};
 
-int main()
+    // Use explicit chrono type for full compatibility
-{
+    ticker.attach(&toggle_led, std::chrono::seconds(1));
-    serial_port.set_baud(9600);
-    serial_port.set_format(
-        /* bits */ 8,
-        /* parity */ BufferedSerial::None,
-        /* stop bit */ 1
-    );
-
-    char buf[MAXIMUM_BUFFER_SIZE] = {0};
-    Led ledController;
-    ledController.setBlinkPeriod(1.0f);
 
     while (1) {
-        if (uint32_t num = serial_port.read(buf, sizeof(buf))) {
+        if (uint32_t num = serial.read(buf, sizeof(buf))) {
-            if (buf[0] >= '0' && buf[0] <= '9') {
+            char c = buf[0];
-                float period = buf[0] - '0';
+            if (c >= '1' && c <= '9') {
-                if (period > 0) {
+                int period = c - '0';
-                    ledController.setBlinkPeriod(period);
+                ticker.detach();
-                } else {
+                ticker.attach(&toggle_led, std::chrono::seconds(period));
-                    ledController.setBlinkPeriod(0.1f);
             }
         }
-            serial_port.write(buf, num);
-        }
         ThisThread::sleep_for(100ms);
     }
 }

hod6/main.cpp

@@ -4,7 +4,9 @@
 
 #define TARGET_TX_PIN USBTX
 #define TARGET_RX_PIN USBRX
-#define BAUD_RATE 9600
+#define BAUD_RATE 1843200
+// #define BAUD_RATE 460800
+// #define BAUD_RATE 921600
 
 static BufferedSerial serial_port(TARGET_TX_PIN, TARGET_RX_PIN, BAUD_RATE);
 
@@ -18,25 +20,97 @@ 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;
 
-                serial_port.write(rx_buffer, num);
+                strncpy(message, rx_buffer, sizeof(message) - 1);
-
+                message_active = true;
-                printf("[RX] %s\r\n", rx_buffer);
+                msg_timer.reset();
             }
         }
 
-        ThisThread::sleep_for(10ms);
+        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);
     }
 }