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78 lines
2.3 KiB
Python
Executable File
78 lines
2.3 KiB
Python
Executable File
#!/usr/bin/python
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# This file is part of Espruino, a JavaScript interpreter for Microcontrollers
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#
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# Copyright (C) 2013 Gordon Williams <gw@pur3.co.uk>
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# ----------------------------------------------------------------------------------------
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# Run and time a benchmark on an attached Espruino device
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# ----------------------------------------------------------------------------------------
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import time
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import serial
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import sys
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import json
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def run_benchmark(device, filename):
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benchmark = open(filename).read();
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ser = serial.Serial(
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port=device, # or /dev/ttyAMA0 for serial on the PI
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baudrate=9600,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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xonxoff=0, rtscts=0, dsrdtr=0,
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)
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ser.open()
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ser.isOpen()
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result = ""
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# clean buffer
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while ser.inWaiting() > 0:
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while ser.inWaiting() > 0:
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ser.read(1)
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time.sleep(0.1)
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command = "function __bench() { "+benchmark+" }\n var ___start = getTime();__bench()var ___end = getTime();print('<<'+'<<<'+(___end-___start)+'>>>'+'>>');\n"
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#ser.write(command)
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for c in command:
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ser.write(c);
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# time.sleep(0.01)
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while ser.inWaiting() > 0:
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c = ser.read(1)
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sys.stdout.write(c)
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sys.stdout.flush()
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result=result+c
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endtime = time.time()+60 # wait 60 sec
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finished = False
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while time.time() < endtime and not finished:
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while ser.inWaiting() > 0:
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c = ser.read(1)
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sys.stdout.write(c)
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sys.stdout.flush()
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result=result+c
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finished = "<<<<<" in result and ">>>>>" in result
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ser.close()
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return result[result.find("<<<<<")+5:result.find(">>>>>")];
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# Read 1 analog
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#print espruino_cmd("print(analogRead(A1))").strip()
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# Read 3 analogs into an array
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#print espruino_cmd("print([analogRead(A1),analogRead(A2),analogRead(A3)])").strip().split(',')
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if len(sys.argv)!=3:
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print "USAGE: benchmark.py /dev/ttyACM0 simple_loop.js"
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exit(1)
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print "TIME = "+run_benchmark(sys.argv[1], sys.argv[2])
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