Author: junhuanchen

02.inputs/uart.py

@@ -4,10 +4,9 @@
 uart = UART(2)  # UART(2) RX16 TX17
 uart.init(57600, bits=8, parity=None, stop=1)
 
-time.sleep(1)
-uart.write("hello\n")
-
 while True:
     recvlen = uart.any()
     if recvlen > 0:
-        uart.write(uart.read(recvlen))
+        buffer = uart.read(recvlen)
+        uart.write(buffer)
+        print(buffer)