Ok I understand your point But if TTy isn't configured correctly from the
very beginning how could it then function at all? I mean in my case all the
UART hardware function goes perfectly well but after sometime like an hour
or so the script goes down.
On Mon, Nov 11, 2013 at 6:53 PM, Philip Polstra <ppols...@gmail.com> wrote:
> You need to give cape manager time to setup tty after echo command before
> talking to device. Shouldn't need sudo either if done right. This is
> working great in my pentesting devices using xbee modems on ttyo2.
> On Nov 11, 2013 7:06 AM, "Nishant Sood" <nish...@winacro.com> wrote:
>
>> This very same code is turned into a executable using chmod +x and then
>> provided full 777 privileges and made a start up script using Upstart.
>> I think this is fine here, whats say?
>>
>> Thanks & Regards,
>> Nishant
>> -------------------
>> Sent from My Android (humongous NOTE-II)
>> On 11 Nov 2013 18:34, "Philip Polstra" <ppols...@gmail.com> wrote:
>>
>>> I would recommend you setup the tty port in startup scripts or at least
>>> delay after setup.
>>> On Nov 11, 2013 2:21 AM, "Nishant Sood" <nish...@winacro.com> wrote:
>>>
>>>> I have a python script running on a raring BBBLack ubuntu image that
>>>> has wiFi working flawlessly, but while using the python script as follows
>>>> I'm see that the script runs but the Request Log on the xively dashboard
>>>> isn't receiving anything?!
>>>>
>>>> Is there a frequency limit for which I can update the feeds?
>>>>
>>>> Or is it my App? Which I think is running and not going down.
>>>>
>>>> here's the code:
>>>>
>>>>
>>>>
>>>> #!/usr/bin/env python
>>>>
>>>>
>>>>
>>>> import os
>>>> import xively
>>>> import subprocess
>>>> import time
>>>>
>>>>
>>>> import datetime
>>>> import requests
>>>> import serial
>>>> import re
>>>>
>>>>
>>>> import string
>>>> from select import select
>>>>
>>>>
>>>>
>>>> #OS variables and other settings for UART transfer
>>>> os.system("sudo chmod 777 -R /sys/devices/bone_capemgr.8/slots")
>>>>
>>>>
>>>>
>>>> os.system("sudo echo ttyO1_armhf.com > /sys/devices/bone_capemgr.8/slots")
>>>>
>>>>
>>>>
>>>> serial = serial.Serial("/dev/ttyO1", baudrate=9600)
>>>>
>>>>
>>>>
>>>> resp = ""
>>>> inData = ['']*14
>>>>
>>>>
>>>>
>>>> started = False
>>>> ended = False
>>>>
>>>> check_point = 0
>>>> check_point_listener = 0
>>>>
>>>>
>>>>
>>>> # extract feed_id and api_key from environment variables
>>>> FEED_ID = "34534"
>>>>
>>>>
>>>>
>>>> API_KEY = "blahhblahh"
>>>> DEBUG = "DEBUG" or false
>>>>
>>>>
>>>>
>>>> DEBUG_listener = "DEBUG" or false
>>>>
>>>>
>>>>
>>>> # initialize api client
>>>> api = xively.XivelyAPIClient(API_KEY)
>>>>
>>>>
>>>>
>>>> # function to return a datastream object. This either creates a new
>>>> datastream,
>>>> # or returns an existing one
>>>> def get_datastream(feed):
>>>> try:
>>>>
>>>>
>>>>
>>>> datastream = feed.datastreams.get("Lock_Controller")
>>>>
>>>>
>>>>
>>>> if DEBUG:
>>>> print "Found existing datastream"
>>>>
>>>>
>>>>
>>>> return datastream
>>>> except:
>>>> if DEBUG:
>>>>
>>>>
>>>>
>>>> print "Creating new datastream"
>>>> datastream = feed.datastreams.create("Lock_Controller", tags="ON/OFF")
>>>>
>>>>
>>>>
>>>> return datastream
>>>>
>>>> # function to return a datastream object. This either creates a new
>>>> datastream,
>>>> # or returns an existing one
>>>>
>>>>
>>>> def get_datastream_listener(feed):
>>>> try:
>>>>
>>>>
>>>>
>>>> datastream_listener = feed.datastreams.get("load_avg")
>>>>
>>>>
>>>>
>>>> if DEBUG:
>>>> print "Found existing datastream"
>>>>
>>>>
>>>>
>>>> return datastream_listener
>>>> except:
>>>> if DEBUG:
>>>>
>>>>
>>>>
>>>> print "Creating new datastream"
>>>> datastream_listener = feed.datastreams.create("load_avg",
>>>> tags="load_01")
>>>>
>>>>
>>>>
>>>> return datastream_listener
>>>>
>>>>
>>>> # main program entry point - runs continuously updating our datastream
>>>> with the
>>>> def run():
>>>> print "Script initiation"
>>>>
>>>>
>>>>
>>>> #Initializing one channel
>>>> feed = api.feeds.get(FEED_ID)
>>>>
>>>>
>>>>
>>>> datastream = get_datastream(feed)
>>>> datastream.max_value = None
>>>>
>>>>
>>>>
>>>> datastream.min_value = None
>>>> #Initializing one channel
>>>>
>>>>
>>>>
>>>> feed_listener = api.feeds.get(FEED_ID)
>>>>
>>>>
>>>>
>>>> datastream_listener = get_datastream_listener(feed_listener)
>>>> datastream_listener.max_value = None
>>>>
>>>>
>>>>
>>>> datastream_listener.min_value = None
>>>>
>>>> while True:
>>>>
>>>>
>>>>
>>>> while serial.inWaiting() > 0:
>>>>
>>>>
>>>>
>>>> inChar = serial.read() # Read a character
>>>>
>>>>
>>>>
>>>> if inChar =='<': # not sure what to put in if statement to run
>>>> until end
>>>>
>>>>
>>>>
>>>> global started
>>>> started = True
>>>> global ended
>>>>
>>>>
>>>>
>>>> ended = False
>>>> index = 0
>>>>
>>>>
>>>>
>>>> elif inChar =='>':
>>>> global ended
>>>>
>>>>
>>>>
>>>> ended = True
>>>> if started == True:
>>>>
>>>>
>>>>
>>>> inData[index] = inChar # Store it
>>>>
>>>>
>>>>
>>>> index = index + 1 # Increment where to write next
>>>>
>>>>
>>>>
>>>> #inData[index] = '\0' # Null terminate the string
>>>> if ended == True:
>>>>
>>>>
>>>>
>>>> global ended
>>>> ended = False
>>>> index = 0
>>>>
>>>>
>>>>
>>>> Data = inData #values of acclerometer like "545X" etc enter
>>>> and stored in Data
>>>>
>>>>
>>>>
>>>> print (Data)
>>>> values = "".join(str(v) for v in Data)
>>>>
>>>>
>>>>
>>>> print (values)
>>>> strData = string.replace(values, "<", "")
>>>>
>>>>
>>>>
>>>> strData = string.replace(strData, ">", "")
>>>>
>>>>
>>>>
>>>> strData = string.replace(strData, " ", "")
>>>>
>>>>
>>>>
>>>> strData = string.replace(strData, "\0", "")
>>>>
>>>>
>>>>
>>>> print (strData)
>>>> if strData[0] == 's' and strData[1] == 't':
>>>>
>>>>
>>>>
>>>> print "Nishant Here"
>>>> strData = string.replace(strData, "st", "")
>>>>
>>>>
>>>>
>>>> strData = string.replace(strData, "\0", "")
>>>>
>>>>
>>>>
>>>> strData = string.replace(strData, " ", "")
>>>>
>>>>
>>>>
>>>> print strData
>>>> if strData == '1':
>>>>
>>>>
>>>>
>>>> print "This is arrived at 1"
>>>> global check_point_listener
>>>>
>>>>
>>>>
>>>> datastream_listener.current_value =
>>>> str(check_point_listener) + "h"
>>>>
>>>>
>>>>
>>>> datastream_listener.update()
>>>> #serial.write("<v0" + str(check_point) + ">") #serial
>>>> write value
>>>>
>>>>
>>>>
>>>> time.sleep(1)
>>>> datastream_listener.current_value = 0
>>>>
>>>>
>>>>
>>>> datastream_listener.update()
>>>> elif strData == '0':
>>>>
>>>>
>>>>
>>>> print "This is arrived at 0"
>>>> global check_point_listener
>>>>
>>>>
>>>>
>>>> datastream_listener.current_value =
>>>> str(check_point_listener) + "L"
>>>>
>>>>
>>>>
>>>> datastream_listener.update()
>>>> time.sleep(1)
>>>>
>>>>
>>>>
>>>> datastream_listener.current_value = 0
>>>> datastream_listener.update()
>>>>
>>>>
>>>>
>>>> if DEBUG:
>>>> print "Updating Xively feed with value: %s"
>>>>
>>>>
>>>>
>>>> global check_point
>>>> check_point = 0
>>>>
>>>> datastream = get_datastream(feed)
>>>> global check_point
>>>>
>>>>
>>>>
>>>> check_point = datastream.current_value
>>>> print "AAGYa: %s" % check_point
>>>>
>>>>
>>>>
>>>> for x in range(1,61):
>>>>
>>>>
>>>>
>>>> #print x
>>>> checking = int(check_point)
>>>>
>>>>
>>>>
>>>> if x == checking:
>>>> print "Got it"
>>>>
>>>>
>>>>
>>>> serial.write("<ch" + str(x) + ">")
>>>>
>>>>
>>>>
>>>> datastream.current_value = 0
>>>> datastream.update()
>>>>
>>>>
>>>>
>>>> if DEBUG_listener:
>>>> print "Query stuff: %s"
>>>>
>>>>
>>>>
>>>> global check_point_listener
>>>> check_point_listener = 0
>>>>
>>>>
>>>>
>>>> datastream_listener = get_datastream_listener(feed_listener)
>>>>
>>>> global check_point_listener
>>>> check_point_listener = datastream_listener.current_value
>>>>
>>>>
>>>>
>>>> print "AAGYa: %s" % check_point_listener
>>>>
>>>> check_point_listener = string.replace(check_point_listener,
>>>> "L", "")
>>>>
>>>>
>>>>
>>>> check_point_listener = string.replace(check_point_listener,
>>>> "h", "")
>>>>
>>>>
>>>>
>>>> for x in range(1,61):
>>>>
>>>>
>>>>
>>>> #print x
>>>> checking = int(check_point_listener)
>>>>
>>>>
>>>>
>>>> if x == checking:
>>>> print "Got it Query"
>>>>
>>>>
>>>>
>>>> serial.write("<Q" + str(x) + ">")
>>>>
>>>>
>>>>
>>>> run()
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> For more options, visit http://beagleboard.org/discuss
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>>>>
>>> --
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--
*Thanks & Regards,*
*Nishant Sood*
*--*
*CEO and Founder*
*Winacro Innovation's Inc.*
*----------------------------------------*
*www.winacro.com <http://www.winacro.com>*
*----------------------------------------*
*Contact's:*
*Mobile: +91-8447476798*
*Phone: 0129-4176798*
*Email: nish...@winacro.com <nish...@winacro.com>*
--
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