初始化提交

boards/default/micropython_k210_mixgoai/build/lib/hcr04.py

@@ -0,0 +1,27 @@
+import time,board
+	
+def Sonar(trig1, echo1):
+
+	trig = board.pin(trig1, board.GPIO.OUT)
+	echo = board.pin(echo1, board.GPIO.IN)
+	time.sleep_ms(10)
+	trig.value(1)
+	time.sleep_us(10)
+	trig.value(0)
+	n1 = time.ticks_us()
+	while(echo.value()==0):
+		n2 =time.ticks_us()
+		if time.ticks_diff(n2, n1) >200000:
+			#raise ValueError("[MixNo]:Sensor read error")
+			break
+		pass
+	t1 = time.ticks_us()
+	while(echo.value()==1):
+		n3 =time.ticks_us()
+		if time.ticks_diff(n3, t1) >200000:
+			#raise ValueError("[MixNo]:Sensor read error")
+			break
+		pass
+	t2 = time.ticks_us()
+	time.sleep_ms(10)
+	return round(time.ticks_diff(t2, t1) / 10000 * 340 / 2, 2)