De-assert DTR# and RTS# at startup

Author: root

k210-freertos/MPyTerm.py

@@ -101,6 +101,8 @@ def __init__(self, baudrate=115200, device='/dev/ttyUSB0', rst=0, clr=False):
                 time.sleep(0.1)
                 self.uart.dtr = True
             else:
+                self.uart.dtr = 0
+                self.uart.rts = 0
                 self.uart.write(b'\r\n')
             time.sleep(0.1)
             #self.uart.dtr = False