hod5a

hod5a/main.cpp

@@ -0,0 +1,59 @@
+// main.cpp
+
+#include "mbed.h"
+
+#define MAXIMUM_BUFFER_SIZE 32
+
+class Led {
+private:
+    DigitalOut led;
+    Ticker ticker;
+    float period;
+
+public:
+    Led(PinName pin) : led(pin), period(1.0) {
+        led = 0;
+    }
+    
+    void setBlinkPeriod(float period) {
+        this->period = period;
+        ticker.detach();
+        if (period > 0) {
+            auto us = std::chrono::microseconds(static_cast<long long>(period * 1000000));
+            ticker.attach(callback(this, &Led::tickerHandler), us);
+        }
+    }
+    
+    void tickerHandler() {
+        led = !led;
+    }
+};
+
+int main() {
+    Led myLed(LED1);
+    static BufferedSerial serial_port(USBTX, USBRX);
+    
+    serial_port.set_baud(9600);
+    serial_port.set_format(8, BufferedSerial::None, 1);
+    
+    char buf[MAXIMUM_BUFFER_SIZE] = {0};
+    char msg[] = "Zadaj cislicu 0-9:\r\n";
+    serial_port.write(msg, sizeof(msg));
+    
+    while(1) {
+        if (uint32_t num = serial_port.read(buf, sizeof(buf))) {
+            char c = buf[0];
+            
+            if (c >= '0' && c <= '9') {
+                int digit = c - '0';
+                float newPeriod = (float)digit;
+                
+                myLed.setBlinkPeriod(newPeriod);
+                
+                serial_port.write(buf, num);
+            }
+        }
+        
+        ThisThread::sleep_for(150ms);
+    }
+}