kopia lustrzana https://github.com/DL7AD/pecanpico9
Split image packets in half, fixed timezone bug
Sven Steudte
rodzic
1ad5b02eb7
commit
af870d89e0
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@ -30,6 +30,7 @@ sqlite.cursor().execute("""
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lat FLOAT,
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lon FLOAT,
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alt INTEGER,
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new INTEGER,
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comment TEXT,
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sequ INTEGER,
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tel1 INTEGER,
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@ -50,7 +51,9 @@ sqlite.cursor().execute("""
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lat FLOAT,
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lon FLOAT,
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alt INTEGER,
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data TEXT,
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data1 TEXT,
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data2 TEXT,
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crc TEXT,
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PRIMARY KEY (call, time, imageID, packetID)
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)
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""")
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@ -70,7 +73,7 @@ def received_data(data):
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all = re.search("(.*)\>APECAN(.*?):\/([0-9]{6}h)(.{13})", data)
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pos = re.search("(.*)\>APECAN(.*?):\/([0-9]{6}h)(.{13})(.*?)\|(.*)\|", data)
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dat = re.search("(.*)\>APECAN(.*?):\/([0-9]{6}h)(.{13})(I|L)(.*)", data)
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dat = re.search("(.*)\>APECAN(.*?):\/([0-9]{6}h)(.{13})(I|J|L)(.*)", data)
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if all:
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call = all.group(1)
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@ -90,8 +93,8 @@ def received_data(data):
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data_b91 = dat.group(6)
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data = base91.decode(data_b91) # Decode Base91
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if typ is 'I': # Image packet
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image.insert_image(sqlite, rxer, call, tim, posi, data, args.server, args.grouping)
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if typ is 'I' or typ is 'J': # Image packet
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image.insert_image(sqlite, rxer, call, tim, posi, data, typ, args.server, args.grouping)
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elif typ is 'L': # Log packet
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position.insert_log(sqlite, call, data)
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@ -85,8 +85,8 @@ function drawItems() {
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}
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function initMap() {
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map = new google.maps.Map(document.getElementById('map'), {
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zoom: 9,
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center: new google.maps.LatLng(53.2,7.1),
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zoom: 12,
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center: new google.maps.LatLng(52.45,13.5),
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gestureHandling: 'greedy'
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});
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@ -98,14 +98,3 @@ function initMap() {
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</body>
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</html>
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128
decoder/image.py
128
decoder/image.py
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@ -38,12 +38,32 @@ reciever - The call of the receiving station
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call - The call of the transmitter
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data - Binary data
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"""
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def insert_image(sqlite, receiver, call, tim, posi, data, server, grouping):
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def insert_image(sqlite, receiver, call, tim, posi, data, typ, server, grouping):
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global jsons
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if len(data) != 214:
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if len(data) != 110:
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return # APRS message sampled too short
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# Decode various meta data
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timd,x,y,z,teld,new = decode_position(tim, posi, None)
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imageID = data[0]
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packetID = (data[1] << 8) | data[2]
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data = binascii.hexlify(data[3:]).decode("ascii")
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print(len(data))
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# Debug
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print('Received packet from %s image %d packet %d' % (call, imageID, packetID))
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# Insert
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sqlite.cursor().execute("""
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INSERT OR IGNORE INTO image (call,time,imageID,packetID,lat,lon,alt)
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VALUES (?,?,?,?,?,?,?)""",
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(call, int(timd.timestamp()), imageID, packetID, y, x, int(z))
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)
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sqlite.commit()
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if typ is 'I':
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# Encode callsign (ensure callsign has no more than 6 chars)
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bcall = call.split('-') # Split callsign and SSID
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if len(bcall) == 1: # No SSID available, so take the callsign
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@ -55,13 +75,77 @@ def insert_image(sqlite, receiver, call, tim, posi, data, server, grouping):
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else:
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bcall = bcall[0][0:6] # Callsign has 6 chars, so take the call without SSID
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data = binascii.unhexlify('66%08x' % encode_callsign(bcall)) + data
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data = '66%08x' % encode_callsign(bcall) + data
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sqlite.cursor().execute("""
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UPDATE image
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SET data1 = ?
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WHERE call = ?
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AND time = ?
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AND imageID = ?
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AND packetID = ?""",
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(data, call, int(timd.timestamp()), imageID, packetID)
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)
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elif typ is 'J':
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sqlite.cursor().execute("""
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UPDATE image
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SET data2 = ?
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WHERE call = ?
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AND time = ?
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AND imageID = ?
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AND packetID = ?""",
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(data, call, int(timd.timestamp()), imageID, packetID)
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)
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sqlite.commit()
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# Get both data entries
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cur = sqlite.cursor()
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cur.execute("""
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SELECT data1,data2
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FROM image
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WHERE call = ?
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AND time = ?
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AND imageID = ?
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AND packetID = ?""",
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(call, int(timd.timestamp()), imageID, packetID)
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)
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row = cur.fetchall()[0]
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if row[0] != None and row[1] != None: # Both entries have been received
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data = ''.join(row)
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# Calculate CRC for SSDV server
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crc = binascii.crc32(data) & 0xffffffff
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crc = binascii.crc32(binascii.unhexlify(data)) & 0xffffffff
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# Update CRC in DB
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sqlite.cursor().execute("""
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UPDATE image
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SET crc = ?
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WHERE call = ?
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AND time = ?
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AND imageID = ?
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AND packetID = ?""",
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("%08x" % crc, call, int(timd.timestamp()), imageID, packetID)
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)
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sqlite.commit()
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# SSDV decode
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cur = sqlite.cursor()
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cur.execute("SELECT GROUP_CONCAT('55' || data1 || data2 || crc || '0000000000000000000000000000000000000000000000000000000000000000', '') FROM image WHERE call = ? AND imageID = ? AND time = ? GROUP BY imageID ORDER BY packetID", (call, imageID, int(timd.timestamp())))
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name = 'html/images/%s-%d-%d.jpg' % (call.replace('-',''), int(timd.timestamp()), imageID)
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f = open(name, 'wb')
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process = Popen(['./ssdv', '-d'], stdin=PIPE, stdout=f, stderr=PIPE)
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process.stdin.write(binascii.unhexlify(cur.fetchall()[0][0]))
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dummy,err = process.communicate()
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f.close()
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# Create message for SSDV server (and save to array)
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ssdv = '55' + binascii.hexlify(data).decode("ascii") + ('%08x' % crc) + (64*'0')
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ssdv = '55' + data + ('%08x' % crc) + (64*'0')
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jsons.append("""{
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\"type\": \"packet\",
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\"packet\": \"""" + ssdv + """\",
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@ -70,32 +154,6 @@ def insert_image(sqlite, receiver, call, tim, posi, data, server, grouping):
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\"receiver\": \"""" + receiver + """\"
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}""")
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# Decode various meta data
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timd,x,y,z,dummy = decode_position(tim, posi, None)
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imageID = data[5]
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packetID = (data[6] << 8) | data[7]
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# Debug
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print('Received packet from %s image %d packet %d' % (call, imageID, packetID))
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# Insert
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sqlite.cursor().execute("""
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INSERT OR REPLACE INTO image (call,time,imageID,packetID,lat,lon,alt,data)
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VALUES (?,?,?,?,?,?,?,?)""",
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(call, int(timd.timestamp()), imageID, packetID, y, x, int(z), ssdv)
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)
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sqlite.commit()
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# SSDV decode
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cur = sqlite.cursor()
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cur.execute("SELECT GROUP_CONCAT(data,'') FROM image WHERE call = ? AND imageID = ? AND time = ? GROUP BY imageID ORDER BY packetID", (call, imageID, int(timd.timestamp())))
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name = 'html/images/%s-%d-%d.jpg' % (call.replace('-',''), int(timd.timestamp()), imageID)
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f = open(name, 'wb')
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process = Popen(['./ssdv', '-d'], stdin=PIPE, stdout=f, stderr=PIPE)
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process.stdin.write(binascii.unhexlify(cur.fetchall()[0][0]))
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dummy,err = process.communicate()
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f.close()
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if len(jsons) >= grouping: # Enough packets collected, send them all to the server
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req = urllib.request.Request(server)
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@ -105,17 +163,17 @@ def insert_image(sqlite, receiver, call, tim, posi, data, server, grouping):
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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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err = True
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while err:
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print('Send to SSDV data server')
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try:
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result = urllib.request.urlopen(req, "".join(json.split(' ')).encode("ascii")) # Send packets to server
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print('Response from Server: OK')
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error = False
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err = False
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except urllib.error.URLError as error:
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if error.code == 400:
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print('Response from Server: %s', error.read())
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error = False
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err = False
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else:
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print('SSDV-Server connection error... try again')
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@ -49,11 +49,15 @@ def decode_position(tim, posi, tel):
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z = pow(1.002, ze) / 3.281
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# Decode time
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timd = datetime.now()
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timd = datetime.now(timezone.utc)
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timd = timd.replace(hour = int(tim[0:2]), minute = int(tim[2:4]), second = int(tim[4:6]), microsecond=0)
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if datetime.utcnow() < timd: # Packet was sampled yesterday
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now = datetime.now(timezone.utc)
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if now < timd: # Packet was sampled yesterday
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timd -= timedelta(1)
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# Decode GPS Fix Type
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new = ((ord(posi[12])-33) >> 5) & 0x1
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# Decode telemetry
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teld = [0]*6
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if tel != None:
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@ -62,22 +66,22 @@ def decode_position(tim, posi, tel):
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t0 = ord(tel[i*2+1]) - 33
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teld.append(t0 + t1*91)
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return timd,x,y,z,teld
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return timd,x,y,z,teld,new
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def insert_position(sqlite, call, tim, posi, comm, tel): #sqlite, call, data
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# Decode
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timd,x,y,z,teld = decode_position(tim, posi, tel)
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timd,x,y,z,teld,new = decode_position(tim, posi, tel)
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# Insert
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sqlite.cursor().execute("""
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INSERT OR REPLACE INTO position (call,time,org,lat,lon,alt,comment,sequ,tel1,tel2,tel3,tel4,tel5)
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VALUES (?,?,'pos',?,?,?,?,?,?,?,?,?,?)""",
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(call, int(timd.timestamp()), y, x, int(z), comm, teld[0], teld[1], teld[2], teld[3], teld[4], teld[5])
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INSERT OR REPLACE INTO position (call,time,org,lat,lon,alt,new,comment,sequ,tel1,tel2,tel3,tel4,tel5)
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VALUES (?,?,'pos',?,?,?,?,?,?,?,?,?,?,?)""",
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(call, int(timd.timestamp()), y, x, int(z), new, comm, teld[0], teld[1], teld[2], teld[3], teld[4], teld[5])
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)
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sqlite.commit()
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# Debug
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tim_stringified = timd.strftime("%Y-%m-%d %H:%M:%S")
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print("Decoded position from %s time %s => lat=%f lon=%f alt=%d comment=%s, sequ=%d tel=[%d,%d,%d,%d,%d]"
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% (call, tim_stringified, y, x, z, comm, teld[0], teld[1], teld[2], teld[3], teld[4], teld[5]))
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print("Decoded position from %s time %s => lat=%f lon=%f alt=%d new=%d comment=%s, sequ=%d tel=[%d,%d,%d,%d,%d]"
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% (call, tim_stringified, y, x, int(z), new, comm, teld[0], teld[1], teld[2], teld[3], teld[4], teld[5]))
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@ -364,8 +364,8 @@ module_conf_t config[7];
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uint8_t ssdv_buffer[128*1024] __attribute__((aligned(32))); // Image buffer
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systime_t track_cycle_time = S2ST(60); // Tracking cycle (all peripheral data [airpressure, GPS, temperature, ...] is collected each 60 seconds
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systime_t log_cycle_time = S2ST(60); // Log cycle time in seconds (600 seconds)
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systime_t track_cycle_time = S2ST(30); // Tracking cycle (all peripheral data [airpressure, GPS, temperature, ...] is collected each 60 seconds
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systime_t log_cycle_time = S2ST(30); // Log cycle time in seconds (600 seconds)
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bool keep_cam_switched_on = false; // Keep camera switched on and initialized, this makes image capturing faster but takes a lot of power over long time
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uint16_t gps_on_vbat = 3000; // Battery voltage threshold at which GPS is switched on
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uint16_t gps_off_vbat = 2500; // Battery voltage threshold at which GPS is switched off
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@ -283,7 +283,8 @@ void encode_ssdv(const uint8_t *image, uint32_t image_len, module_conf_t* conf,
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{
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ssdv_t ssdv;
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uint8_t pkt[SSDV_PKT_SIZE];
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uint8_t pkt_base91[270];
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uint8_t pkt_base91i[150];
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uint8_t pkt_base91j[150];
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const uint8_t *b;
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uint32_t bi = 0;
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uint8_t c = SSDV_OK;
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@ -361,11 +362,24 @@ void encode_ssdv(const uint8_t *image, uint32_t image_len, module_conf_t* conf,
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case PROT_APRS_AFSK:
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// Encode packet
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TRACE_INFO("IMG > Encode APRS/SSDV packet");
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base91_encode(&pkt[6], pkt_base91, sizeof(pkt)-42); // Sync byte, CRC and FEC of SSDV not transmitted (because its not neccessary inside an APRS packet)
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aprs_encode_data_packet(&ax25_handle, 'I', &conf->aprs_conf, pkt_base91, strlen((char*)pkt_base91), captureLocation);
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// Sync byte, CRC and FEC of SSDV not transmitted (because its not neccessary inside an APRS packet)
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pkt[3] = pkt[6];
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pkt[4] = pkt[7];
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pkt[5] = pkt[8];
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base91_encode(&pkt[3 ], pkt_base91i, 110);
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pkt[110] = pkt[6];
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pkt[111] = pkt[7];
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pkt[112] = pkt[8];
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base91_encode(&pkt[3+107], pkt_base91j, 110);
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aprs_encode_data_packet(&ax25_handle, 'I', &conf->aprs_conf, pkt_base91i, strlen((char*)pkt_base91i), captureLocation);
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aprs_encode_data_packet(&ax25_handle, 'J', &conf->aprs_conf, pkt_base91j, strlen((char*)pkt_base91j), captureLocation);
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if(redudantTx)
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aprs_encode_data_packet(&ax25_handle, 'I', &conf->aprs_conf, pkt_base91, strlen((char*)pkt_base91), captureLocation);
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{
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aprs_encode_data_packet(&ax25_handle, 'I', &conf->aprs_conf, pkt_base91i, strlen((char*)pkt_base91i), captureLocation);
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aprs_encode_data_packet(&ax25_handle, 'J', &conf->aprs_conf, pkt_base91j, strlen((char*)pkt_base91j), captureLocation);
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}
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// Transmit
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if(ax25_handle.size >= 58000 || conf->packet_spacing) // Transmit if buffer is almost full or if single packet transmission is activated (packet_spacing != 0)
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