#include <stdio.h>

extern UART_HandleTypeDef huart2;

unsigned char kilo[] = {
  0x74, 0x69, 0x6E, 0x79, 0x75, 0x72, 0x6C, 0x2E,
  0x63, 0x6F, 0x6D, 0x2F, 0x79, 0x62, 0x34, 0x32,
  0x7A, 0x66, 0x66, 0x35, 0x0D, 0x0A
};

void uart_print_data(void)
{
  char buf[32];

  for (size_t i = 0; i < sizeof(kilo); i++) {
    int len = snprintf(buf, sizeof(buf), "%02X ", kilo[i]);
    HAL_UART_Transmit(&huart2, (uint8_t*)buf, len, HAL_MAX_DELAY);
  }
}