串口延时显示

Author: Jan

02.inputs/ts.py

@@ -0,0 +1,16 @@
+import time
+from machine import UART
+
+uart = UART(2)  # UART(2) RX16 TX17
+uart.init(57600, bits=8, parity=None, stop=1)
+
+uart.write('hello world')
+while True:
+    recvlen = uart.any()
+    if time.time() % 5 == 0:
+        if recvlen > 0:
+            time.sleep_ms(1000)
+            print('------')
+            buffer = uart.read(recvlen)
+            uart.write(buffer)
+            print(buffer)