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Merge pull request #169 from kronenpj/feature_#156

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Proof of concept for automatic "can you hear me" response to CQ.
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DJ2LS 2022-04-16 16:23:37 +02:00 committed by GitHub
parent ea7f298806 62b939fbc9
commit 93c7e572bb
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1 changed files with 72 additions and 6 deletions
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78
tnc/data_handler.py
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@ -124,7 +124,7 @@ class DATA():
if data[0] == 'CQ':
# [0] CQ
self.transmit_cq()
elif data[0] == 'STOP':
# [0] STOP
self.stop_transmission()
@ -208,7 +208,7 @@ class DATA():
#if bytes(bytes_out[1:3]) == self.mycallsign_CRC or bytes(bytes_out[2:4]) == self.mycallsign_CRC or frametype == 200 or frametype == 250:
_valid1, _ = helpers.check_callsign(self.mycallsign, bytes(bytes_out[1:3]))
_valid2, _ = helpers.check_callsign(self.mycallsign, bytes(bytes_out[2:4]))
if _valid1 or _valid2 or frametype in [200, 210, 250]:
if _valid1 or _valid2 or frametype in [200, 201, 210, 250]:
# CHECK IF FRAMETYPE IS BETWEEN 10 and 50 ------------------------
frame = frametype - 10
@ -259,6 +259,12 @@ class DATA():
structlog.get_logger("structlog").debug("CQ RECEIVED....")
self.received_cq(bytes_out[:-2])
# QRV FRAME
elif frametype == 201:
structlog.get_logger("structlog").debug("QRV RECEIVED!")
self.received_qrv(bytes_out[:-2])
# PING FRAME
elif frametype == 210:
structlog.get_logger("structlog").debug("PING RECEIVED....")
@ -1609,7 +1615,7 @@ class DATA():
Returns:
"""
# here we add the received station to the heard stations buffer
# here we add the received station to the heard stations buffer
dxcallsign = helpers.bytes_to_callsign(bytes(data_in[1:9]))
dxgrid = bytes(data_in[9:13]).rstrip(b'\x00')
@ -1622,7 +1628,6 @@ class DATA():
helpers.add_to_heard_stations(dxcallsign,dxgrid, 'BEACON', static.SNR, static.FREQ_OFFSET, static.HAMLIB_FREQUENCY)
def transmit_cq(self):
"""
Transmit a CQ
@ -1640,9 +1645,9 @@ class DATA():
static.TRANSMITTING = True
structlog.get_logger("structlog").info("ENABLE FSK", state=static.ENABLE_FSK)
if static.ENABLE_FSK:
modem.MODEM_TRANSMIT_QUEUE.put(['FSK_LDPC_0',3,500,txbuffer])
modem.MODEM_TRANSMIT_QUEUE.put(['FSK_LDPC_0',1,0,txbuffer])
else:
modem.MODEM_TRANSMIT_QUEUE.put([14,3,500,txbuffer])
modem.MODEM_TRANSMIT_QUEUE.put([14,1,0,txbuffer])
# wait while transmitting
while static.TRANSMITTING:
time.sleep(0.01)
@ -1665,6 +1670,67 @@ class DATA():
structlog.get_logger("structlog").info("[TNC] CQ RCVD [" + str(dxcallsign, 'utf-8') + "]["+ str(dxgrid, 'utf-8') +"] ", snr=static.SNR)
helpers.add_to_heard_stations(dxcallsign, dxgrid, 'CQ CQ CQ', static.SNR, static.FREQ_OFFSET, static.HAMLIB_FREQUENCY)
# TODO: Add configuration option to enable responding to CQ.
self.transmit_qrv()
def transmit_qrv(self):
"""
Called if we send a QRV frame
Args:
data_in:bytes:
Returns:
Nothing
"""
# Sleep a random amount of time before responding to make it more likely to be
# heard when many stations respond. Each DATAC0 frame is 0.44 sec (440ms) in
# duration, plus overhead. Set the wait interval to be random between 0 and 2s
# in 0.5s increments.
helpers.wait(randrange(0, 20, 5) / 10.0)
static.INFO.append("QRV;SENDING")
structlog.get_logger("structlog").info("[TNC] Sending QRV!")
qrv_frame = bytearray(14)
qrv_frame[:1] = bytes([201])
qrv_frame[1:9] = helpers.callsign_to_bytes(self.mycallsign)
qrv_frame[9:13] = static.MYGRID[:4]
txbuffer = [qrv_frame]
static.TRANSMITTING = True
structlog.get_logger("structlog").info("ENABLE FSK", state=static.ENABLE_FSK)
if static.ENABLE_FSK:
modem.MODEM_TRANSMIT_QUEUE.put(['FSK_LDPC_0',1,0,txbuffer])
else:
modem.MODEM_TRANSMIT_QUEUE.put([14,1,0,txbuffer])
# wait while transmitting
while static.TRANSMITTING:
time.sleep(0.01)
def received_qrv(self, data_in:bytes):
"""
Called if we receive a QRV frame
Args:
data_in:bytes:
Returns:
"""
# here we add the received station to the heard stations buffer
dxcallsign = helpers.bytes_to_callsign(bytes(data_in[1:9]))
dxgrid = bytes(data_in[9:13]).rstrip(b'\x00')
jsondata = {"type" : "qrv", "status" : "received", "uuid" : str(uuid.uuid4()), "timestamp": int(time.time()), "mycallsign" : str(self.mycallsign, 'utf-8'), "dxcallsign": str(dxcallsign, 'utf-8'), "dxgrid": str(dxgrid, 'utf-8'), "snr": str(static.SNR)}
json_data_out = json.dumps(jsondata)
sock.SOCKET_QUEUE.put(json_data_out)
static.INFO.append("QRV;RECEIVING")
structlog.get_logger("structlog").info("[TNC] QRV RCVD [" + str(dxcallsign, 'utf-8') + "]["+ str(dxgrid, 'utf-8') +"] ", snr=static.SNR)
helpers.add_to_heard_stations(dxcallsign,dxgrid, 'QRV', static.SNR, static.FREQ_OFFSET, static.HAMLIB_FREQUENCY)
# ------------ CALUCLATE TRANSFER RATES
def calculate_transfer_rate_rx(self, rx_start_of_transmission:float, receivedbytes:int) -> list:
"""