kopia lustrzana https://github.com/DL7AD/pecanpico9
179 wiersze
5.3 KiB
Python
Executable File
179 wiersze
5.3 KiB
Python
Executable File
#!/usr/bin/python
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import serial,os,re,datetime
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from subprocess import call
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import base91
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import binascii
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import urllib2
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import io
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import sys
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import argparse
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import pygame, random
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from pygame.locals import *
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import pygame.time
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from subprocess import *
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from cStringIO import StringIO
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send_to_server = False
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SCREENX = 1024
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SCREENY = 768
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pygame.font.init()
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myfont = pygame.font.SysFont('Comic Sans MS', 20)
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textsurface = myfont.render('Callsign: DL7AD2 Image ID: 07 Resolution: 640x480', False, (0, 255, 255))
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pygame.init()
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screen = pygame.display.set_mode((SCREENX, SCREENY))
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background = pygame.Surface(screen.get_rect().size)
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displaygroup = pygame.sprite.RenderUpdates()
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updategroup = pygame.sprite.Group()
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clock = pygame.time.Clock()
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pygame.display.set_caption('PecanRXGui v.1.0.0 (Q)uit (s)end image')
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# Parse arguments from terminal
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parser = argparse.ArgumentParser(description='APRS/SSDV decoder')
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parser.add_argument('-c', '--call', help='Callsign of the station')
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parser.add_argument('-l', '--log', help='Name of the logfile')
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parser.add_argument('-n', '--grouping', help='Amount packets that will be sent to the SSDV server in one request', default=1, type=int)
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parser.add_argument('-d', '--device', help='Serial device (\'-\' for stdin)', default='-')
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parser.add_argument('-b', '--baudrate', help='Baudrate for serial device', default=9600, type=int)
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parser.add_argument('-s', '--server', help='Server URL', default='https://ssdv.habhub.org/api/v0/packets')
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args = parser.parse_args()
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if args.device == 'I': # Connect to APRS-IS
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aprsis = aprs.TCP('DL4MDW', aprs_filter='t/u u/APECAN')
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aprsis.start()
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elif args.device is not '-': # Use serial connection (probably TNC)
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try:
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serr = serial.Serial(
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port=args.device,
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baudrate=args.baudrate,
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)
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except:
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sys.stderr.write('Error: Could not open serial port\n')
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sys.exit(1)
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ser = io.TextIOWrapper(io.BufferedRWPair(serr, serr, 1), newline = '\r', line_buffering = True) # Define Newline as \r
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# Open logging file
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if args.log is not None:
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try:
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logfile = open(args.log, 'a')
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except:
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sys.stderr.write('Error: Could not open logging file\n')
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sys.exit(1)
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jsons = []
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current_filename = 'data.csv'
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buf = ''
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jpg = ''
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imgbuf = ''
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def received_data(data):
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global jsons, old_filename, current_filename, send_to_server, buf, imgbuf
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if str(type(data)) == "<class 'aprs.classes.Frame'>": # APRS-IS
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call = str(data.source)
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aprs = data.text[3:]
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receiver = 'APRS-IS/' + str(data.path.pop())
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else: # serial or stdin
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# Parse line and detect data
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m = re.search("(.*)\>APECAN(.*):\{\{I(.*)", data)
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if m:
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try:
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call = m.group(1)
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aprs = m.group(3)
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receiver = 'bla'
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except:
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return # message format incorrect (probably no APRS message or line cut off too short)
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else:
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m = re.search("\[(.*)\]\[(.*)\] DATA \> (.*)", data)
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try:
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aprs = m.group(3)
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except:
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return
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if args.log is not None:
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logfile.write(data) # Log data to file
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data = base91.decode(aprs) # Decode Base91
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# Calculate CRC for SSDV server
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crc = binascii.crc32(data) & 0xffffffff
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# Create message for SSDV server (and save to array)
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ssdv = '55' + binascii.hexlify(data) + ('%08x' % crc) + (64*'0')
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if len(data) != 219:
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return # APRS message sampled too short
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if (data[7] + data[6] * 256) == 0:
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buf = ''
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buf += binascii.unhexlify(ssdv)
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command = ['./ssdv', '-d']
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process = Popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
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process.stdin.write(buf)
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jpg,dummy = process.communicate()
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imgbuf = StringIO(jpg)
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if send_to_server is False:
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return
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else:
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if len(jsons) >= args.grouping:
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req = urllib2.Request(args.server)
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req.add_header('Content-Type', 'application/json')
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json = "{\"type\":\"packets\",\"packets\":[" + ",".join(jsons) + "]}" # Group all SSDV packets into a big JSON
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jsons = []
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try:
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error = True
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while error:
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try:
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result = urllib2.urlopen(req, "".join(json.split(' '))) # Send packets to server
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print 'Send to SSDV data server: OK'
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error = False
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except urllib2.URLError, error:
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print 'Send to SSDV data server: failed (connection error :( trying again...)'
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except urllib2.HTTPError, error: # The server did not like our packets :(
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print 'Send to SSDV data server: failed (the server did not like our packets :( )'
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print error.read()
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if args.device == 'I': # APRS-IS
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aprsis.receive(callback=received_data) # Register APRS callback
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else:
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# read data from console ?
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while 1:
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for event in pygame.event.get():
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if event.type == QUIT:
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exit(0)
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if event.type == pygame.KEYDOWN:
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if event.key == pygame.K_q:
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exit(0)
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elif event.key == pygame.K_s:
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send_to_server^=True
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data = sys.stdin.readline() if args.device is '-' else ser.readline() # Read a line
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received_data(data)
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displaygroup.clear(screen, background)
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updategroup.update()
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filename = str("currximg.jpg")
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try:
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img=pygame.image.load(imgbuf)
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textsurface = myfont.render("Call: %s send: %d" % (args.call, send_to_server), False, (0, 255, 255))
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screen.blit(img,(0,0))
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screen.blit(textsurface,(0,0))
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pygame.display.flip()
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pygame.display.update(displaygroup.draw(screen))
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except Exception as e:
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print str(e)
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textsurface = myfont.render('Error %s' % (e), False, (255, 100, 100))
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screen.blit(textsurface,(0,0))
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pygame.display.flip()
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pygame.display.update(displaygroup.draw(screen))
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clock.tick(500)
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