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" <[email protected]> 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" <[email protected]> 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" <[email protected]> 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 >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/PiNkUTjnV3M/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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