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 variable_cache

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sendcommand.py

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#!/usr/bin/python

import time

import serial

import sys

import json

def espruino_cmd(port, command):

ser = serial.Serial(

port=port, # or /dev/ttyAMA0 for serial on the PI

baudrate=9600,

parity=serial.PARITY_NONE,

stopbits=serial.STOPBITS_ONE,

bytesize=serial.EIGHTBITS,

xonxoff=0, rtscts=0, dsrdtr=0,

)

ser.open()

ser.isOpen()

result = ""

ser.write("\03") # ensure we break out of anything we were doing

for c in command :

while ser.inWaiting() > 0:

result=result+ser.read(1)

ser.write(c)

ser.write("\n")

endtime = time.time()+0.2 # wait 0.2 sec

while time.time() < endtime:

while ser.inWaiting() > 0:

result=result+ser.read(1)

ser.close()

return result

if len(sys.argv)!=3:

print "USAGE: sendcommand.py /dev/ttyACM0 \"print('hello')\""

exit(1)

PORT=sys.argv[1]

COMMAND=sys.argv[2]

print espruino_cmd(PORT, COMMAND).strip()