Convert ultrasonic flight time to distance value

src/main.c

@@ -13,6 +13,7 @@
 #include "ultrasonic_driver.h"
 
 extern uint32_t capture_value;
+uint16_t distance_uint16;
 
 /*!
     \brief      main function
@@ -52,6 +53,8 @@ int main(void)
         // printf("Send ultra sonic driver signal!\r\n");
     delay_ms(2);
         printf("cap_val:%ld\n", capture_value);
+        distance_uint16 = calculate_distance(capture_value);
+        printf("Distance:%d\n", distance_uint16);
     }
 }