change LED blink timer to TIMER16.

change ultrasonic transmit pin timer to TIMER13 CH0 PB1(AF_0).
rename function name.

src/main.c

@@ -25,13 +25,14 @@ int main(void)
     /* configure systick */
     systick_config();
     /* configure ultrasonic board hardware */
-    ultrasonic_peripheral_config();
-    timer15_config();
+    ultrasonic_transmit_config();
+
 
 
     /* ---------- debug start ---------- */
-
+    ultrasonic_transmit_delay();
     recevice_exti_config();
+    ultrasonic_echo_timer_config();
 
 
 
@@ -42,6 +43,8 @@ int main(void)
     printf("XLSW-3DP-UltraSonic Analog 300K!\r\n");
     printf("\r\n");
 
+    delay_ms(2000);
+
     while(1)
     {
         delay_ms(50);