doma 13_11_2025

hod6/main.cpp

@@ -0,0 +1,42 @@
+// main.cpp
+
+#include "mbed.h"
+
+#define TARGET_TX_PIN USBTX
+#define TARGET_RX_PIN USBRX
+#define BAUD_RATE 9600
+
+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];
+
+int main(void)
+{
+    serial_port.set_format(8, BufferedSerial::None, 1);
+
+    printf("Baud: %d, Format: 8-N-1\r\n", BAUD_RATE);
+    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);
+
+                printf("[RX] %s\r\n", rx_buffer);
+            }
+        }
+
+        ThisThread::sleep_for(10ms);
+    }
+}