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improved logging and statistics

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DJ2LS 2021-02-04 17:51:01 +01:00 committed by GitHub
parent 51398382f7
commit b9f2f1874f
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3 changed files with 67 additions and 49 deletions
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90
arq.py
View file

@ -28,8 +28,20 @@ def data_received(data_in):
static.ARQ_N_FRAME = int.from_bytes(bytes(data_in[:1]), "big") - 10 #get number of frame static.ARQ_N_FRAME = int.from_bytes(bytes(data_in[:1]), "big") - 10 #get number of frame
static.ARQ_N_RX_FRAMES_PER_BURSTS = int.from_bytes(bytes(data_in[1:2]), "big") #get number of bursts from received frame static.ARQ_N_RX_FRAMES_PER_BURSTS = int.from_bytes(bytes(data_in[1:2]), "big") #get number of bursts from received frame
# get total number of arq frames from data frame header
if data_in[8:10] == static.FRAME_BOF:
static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME = int.from_bytes(bytes(data_in[4:6]), "big")
print("----------------------------------------------------------------")
logging.info("ARQ | RX | INCOMMING DATA FRAME ----- ARQ FRAMES: " + str(static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME))
logging.info("ARQ | RX | FRAME [" + str(static.ARQ_N_FRAME) + "/" + str(static.ARQ_N_RX_FRAMES_PER_BURSTS) + "] [" + str((static.ARQ_N_FRAME / static.ARQ_N_RX_FRAMES_PER_BURSTS)*100) + "%]") arq_percent_burst = int((static.ARQ_N_FRAME / static.ARQ_N_RX_FRAMES_PER_BURSTS)*100)
arq_percent_frame = int(((static.ARQ_N_RX_ARQ_FRAMES + static.ARQ_N_FRAME)/static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME)*100)
logging.info("ARQ | RX | ARQ FRAME [" + str(static.ARQ_N_FRAME) + "/" + str(static.ARQ_N_RX_FRAMES_PER_BURSTS) + "] [" + str(arq_percent_burst).zfill(3) + "%] --- TOTAL [" + str(static.ARQ_N_RX_ARQ_FRAMES + static.ARQ_N_FRAME) + "/" + str(static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME) + "] [" + str(arq_percent_frame).zfill(3) + "%]" )
#allocate ARQ_RX_BURST_BUFFER as a list with "None" if not already done. This should be done only once per burst! #allocate ARQ_RX_BURST_BUFFER as a list with "None" if not already done. This should be done only once per burst!
# here we will save the N frame of a burst to N list position so we can explicit search for it # here we will save the N frame of a burst to N list position so we can explicit search for it
@ -45,9 +57,9 @@ def data_received(data_in):
burst_total_payload = bytearray() burst_total_payload = bytearray()
if static.ARQ_N_FRAME == static.ARQ_N_RX_FRAMES_PER_BURSTS: #if received bursts are equal to burst number in frame if static.ARQ_N_FRAME == static.ARQ_N_RX_FRAMES_PER_BURSTS: #if received bursts are equal to burst number in frame
print("len ARQ_RX_BURST_BUFFER: " + str(len(static.ARQ_RX_BURST_BUFFER)-1)) #print("len ARQ_RX_BURST_BUFFER: " + str(len(static.ARQ_RX_BURST_BUFFER)-1))
print("static.ARQ_N_FRAME: " + str(static.ARQ_N_FRAME)) #print("static.ARQ_N_FRAME: " + str(static.ARQ_N_FRAME))
print("static.ARQ_N_RX_FRAMES_PER_BURSTS: " + str(static.ARQ_N_RX_FRAMES_PER_BURSTS)) #print("static.ARQ_N_RX_FRAMES_PER_BURSTS: " + str(static.ARQ_N_RX_FRAMES_PER_BURSTS))
#for l in range(0,len(static.ARQ_RX_BURST_BUFFER)): #for l in range(0,len(static.ARQ_RX_BURST_BUFFER)):
@ -66,6 +78,9 @@ def data_received(data_in):
burst_payload_crc = helpers.get_crc_16(burst_total_payload) burst_payload_crc = helpers.get_crc_16(burst_total_payload)
# IF BURST CRC IS CORRECT, APPEND BURST TO BUFFER AND SEND ACK FRAME # IF BURST CRC IS CORRECT, APPEND BURST TO BUFFER AND SEND ACK FRAME
if burst_payload_crc == data_in[2:4]: if burst_payload_crc == data_in[2:4]:
#update received frames counter
static.ARQ_N_RX_ARQ_FRAMES = static.ARQ_N_RX_ARQ_FRAMES + static.ARQ_N_RX_FRAMES_PER_BURSTS
#logging.info("ARQ BURST CRC ARE EQUAL!") #logging.info("ARQ BURST CRC ARE EQUAL!")
static.ARQ_RX_FRAME_BUFFER.append(burst_total_payload) # IF CRC TRUE APPEND burst_total_payload TO ARQ_RX_FRAME_BUFFER static.ARQ_RX_FRAME_BUFFER.append(burst_total_payload) # IF CRC TRUE APPEND burst_total_payload TO ARQ_RX_FRAME_BUFFER
@ -77,9 +92,7 @@ def data_received(data_in):
ack_buffer[:len(ack_frame)] = ack_frame # set buffersize to length of data which will be send ack_buffer[:len(ack_frame)] = ack_frame # set buffersize to length of data which will be send
#TRANSMIT ACK FRAME ----------------------------------------------- #TRANSMIT ACK FRAME -----------------------------------------------
# we need to wait until RX is finished on TX side --> seems to be not necessary if modulation buffer allocation for TX is correct logging.info("ARQ | TX | ARQ BURST ACK [" + str(data_in[1:3].hex()) +"]")
#time.sleep(2) #3.8
logging.info("ARQ | TX | SENDING ARQ BURST ACK [" + str(data_in[1:3]) +"]")
modem.transmit_arq_ack(ack_buffer) modem.transmit_arq_ack(ack_buffer)
# ---------------------------------------------------------------- # ----------------------------------------------------------------
@ -121,11 +134,12 @@ def data_received(data_in):
static.RX_BUFFER.append(frame_payload) static.RX_BUFFER.append(frame_payload)
# clearing buffers # clearing buffers and resetting counters
static.ARQ_RX_FRAME_BUFFER = [] static.ARQ_RX_FRAME_BUFFER = []
static.ARQ_FRAME_BOF_RECEIVED = False static.ARQ_FRAME_BOF_RECEIVED = False
static.ARQ_FRAME_EOF_RECEIVED = False static.ARQ_FRAME_EOF_RECEIVED = False
static.ARQ_N_RX_ARQ_FRAMES = 0
static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME = 0
print("----------------------------------------------------------------") print("----------------------------------------------------------------")
print(static.RX_BUFFER[-1]) print(static.RX_BUFFER[-1])
@ -133,9 +147,9 @@ def data_received(data_in):
# HERE: WE COULD SEND ACK FOR TOTAL FRAME # HERE: WE COULD SEND ACK FOR TOTAL FRAME
else: else:
logging.info("ARQ | RX | DATA FRAME NOT SUCESSFULLY RECEIVED!") logging.info("ARQ | RX | DATA FRAME NOT SUCESSFULLY RECEIVED!")
print("ARQ FRAME PAYLOAD CRC: " + str(frame_payload_crc)) #print("ARQ FRAME PAYLOAD CRC: " + str(frame_payload_crc))
print("ARQ FRAME PAYLOAD: " + str(frame_payload)) #print("ARQ FRAME PAYLOAD: " + str(frame_payload))
print("DATA FRAME: " + str(complete_frame)) #print("DATA FRAME: " + str(complete_frame))
#static.ARQ_RX_FRAME_BUFFER = [] # ---> BUFFER ERST LÖSCHEN WENN MINDESTANZAHL AN BURSTS ERHALTEN WORDEN SIND #static.ARQ_RX_FRAME_BUFFER = [] # ---> BUFFER ERST LÖSCHEN WENN MINDESTANZAHL AN BURSTS ERHALTEN WORDEN SIND
def ack_received(): def ack_received():
@ -147,37 +161,43 @@ def ack_received():
def transmit(data_out): def transmit(data_out):
static.ARQ_PAYLOAD_PER_FRAME = static.FREEDV_DATA_PAYLOAD_PER_FRAME - 4 #3 ohne ARQ_TX_N_FRAMES_PER_BURST static.ARQ_PAYLOAD_PER_FRAME = static.FREEDV_DATA_PAYLOAD_PER_FRAME - 4 #3 ohne ARQ_TX_N_FRAMES_PER_BURST
frame_header_length = 8 frame_header_length = 8
n_arq_frames_per_data_frame = (len(data_out)+frame_header_length) // static.ARQ_PAYLOAD_PER_FRAME + ((len(data_out)+frame_header_length) % static.ARQ_PAYLOAD_PER_FRAME > 0) # aufrunden 3.2 = 4
n_bursts_prediction = (len(data_out)+frame_header_length) // static.ARQ_PAYLOAD_PER_FRAME + ((len(data_out)+frame_header_length) % static.ARQ_PAYLOAD_PER_FRAME > 0) # aufrunden 3.2 = 4
#print(static.FREEDV_DATA_PAYLOAD_PER_FRAME) #print(static.FREEDV_DATA_PAYLOAD_PER_FRAME)
#print(static.ARQ_PAYLOAD_PER_FRAME) #print(static.ARQ_PAYLOAD_PER_FRAME)
#print(n_bursts_prediction) #print(n_bursts_prediction)
n_bursts_prediction = n_bursts_prediction.to_bytes(2, byteorder='big') #65535 static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME = n_arq_frames_per_data_frame.to_bytes(2, byteorder='big') #65535
frame_payload_crc = helpers.get_crc_16(data_out) frame_payload_crc = helpers.get_crc_16(data_out)
# This is the total frame with frame header, which will be send # This is the total frame with frame header, which will be send
data_out = n_bursts_prediction + frame_payload_crc + static.FRAME_BOF + data_out + static.FRAME_EOF data_out = static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME + frame_payload_crc + static.FRAME_BOF + data_out + static.FRAME_EOF
# 2 2 2 N 2 # 2 2 2 N 2
#print("ARQ_N_ARQ_FRAMES_PER_DATA_FRAME" + str(static.ARQ_N_ARQ_FRAMES_PER_DATA_FRAME))
#print(data_out) #print(data_out)
#print(len(data_out)) #print(len(data_out))
#print(static.ARQ_PAYLOAD_PER_FRAME) #print(static.ARQ_PAYLOAD_PER_FRAME)
# --------------------------------------------- LETS CREATE A BUFFER BY SPLITTING THE FILES INTO PEACES # --------------------------------------------- LETS CREATE A BUFFER BY SPLITTING THE FILES INTO PEACES
static.TX_BUFFER = [data_out[i:i+static.ARQ_PAYLOAD_PER_FRAME] for i in range(0, len(data_out), static.ARQ_PAYLOAD_PER_FRAME)] static.TX_BUFFER = [data_out[i:i+static.ARQ_PAYLOAD_PER_FRAME] for i in range(0, len(data_out), static.ARQ_PAYLOAD_PER_FRAME)]
static.TX_BUFFER_SIZE = len(static.TX_BUFFER) static.TX_BUFFER_SIZE = len(static.TX_BUFFER)
#print(static.TX_BUFFER) #print(static.TX_BUFFER)
logging.info("ARQ | TX | TOTAL PAYLOAD BYTES/FRAMES TO SEND: " + str(len(data_out)) + " / " + str(static.TX_BUFFER_SIZE)) logging.info("ARQ | TX | DATA FRAME --- BYTES: " + str(len(data_out)) + " ARQ FRAMES: " + str(static.TX_BUFFER_SIZE))
# --------------------------------------------- THIS IS THE MAIN LOOP----------------------------------------------------------------- # --------------------------------------------- THIS IS THE MAIN LOOP-----------------------------------------------------------------
static.ARQ_N_SENT_FRAMES = 0 # SET N SENT FRAMES TO 0 FOR A NEW SENDING CYCLE static.ARQ_N_SENT_FRAMES = 0 # SET N SENT FRAMES TO 0 FOR A NEW SENDING CYCLE
while static.ARQ_N_SENT_FRAMES <= static.TX_BUFFER_SIZE: while static.ARQ_N_SENT_FRAMES <= static.TX_BUFFER_SIZE:
print("static.ARQ_N_SENT_FRAMES: " + str(static.ARQ_N_SENT_FRAMES)) #print("static.ARQ_N_SENT_FRAMES: " + str(static.ARQ_N_SENT_FRAMES))
static.ARQ_TX_N_FRAMES_PER_BURST = get_n_frames_per_burst() static.ARQ_TX_N_FRAMES_PER_BURST = get_n_frames_per_burst()
# ----------- CREATE FRAME TOTAL PAYLOAD TO BE ABLE TO CREATE CRC FOR IT # ----------- CREATE FRAME TOTAL PAYLOAD TO BE ABLE TO CREATE CRC FOR IT
@ -196,14 +216,12 @@ def transmit(data_out):
burst_total_payload = bytearray() # reset burst_total_payload because of possible input remaining of detecting loop one step above burst_total_payload = bytearray() # reset burst_total_payload because of possible input remaining of detecting loop one step above
if static.ARQ_N_SENT_FRAMES == 0 and (static.ARQ_TX_N_FRAMES_PER_BURST > static.TX_BUFFER_SIZE): #WE CANT DO MODULO 0 --> CHECK IF FIRST FRAME == LAST FRAME if static.ARQ_N_SENT_FRAMES == 0 and (static.ARQ_TX_N_FRAMES_PER_BURST > static.TX_BUFFER_SIZE): #WE CANT DO MODULO 0 --> CHECK IF FIRST FRAME == LAST FRAME
static.ARQ_TX_N_FRAMES_PER_BURST = static.TX_BUFFER_SIZE static.ARQ_TX_N_FRAMES_PER_BURST = static.TX_BUFFER_SIZE
elif static.ARQ_N_SENT_FRAMES == 1 and (static.ARQ_TX_N_FRAMES_PER_BURST > static.TX_BUFFER_SIZE): # MODULO 1 WILL ALWAYS BE 0 --> THIS FIXES IT elif static.ARQ_N_SENT_FRAMES == 1 and (static.ARQ_TX_N_FRAMES_PER_BURST > static.TX_BUFFER_SIZE): # MODULO 1 WILL ALWAYS BE 0 --> THIS FIXES IT
static.ARQ_TX_N_FRAMES_PER_BURST = static.TX_BUFFER_SIZE - static.ARQ_N_SENT_FRAMES static.ARQ_TX_N_FRAMES_PER_BURST = static.TX_BUFFER_SIZE - static.ARQ_N_SENT_FRAMES
else: else:
static.ARQ_TX_N_FRAMES_PER_BURST = (static.TX_BUFFER_SIZE % static.ARQ_N_SENT_FRAMES) static.ARQ_TX_N_FRAMES_PER_BURST = (static.TX_BUFFER_SIZE % static.ARQ_N_SENT_FRAMES)
print("ARQ_TX_N_FRAMES_PER_BURST OF LAST BURST: " + str(static.ARQ_TX_N_FRAMES_PER_BURST)) #print("ARQ_TX_N_FRAMES_PER_BURST OF LAST BURST: " + str(static.ARQ_TX_N_FRAMES_PER_BURST))
for i in range(static.ARQ_TX_N_FRAMES_PER_BURST): #bytearray(b'111111111111111111111111222222222222222222222222') for i in range(static.ARQ_TX_N_FRAMES_PER_BURST): #bytearray(b'111111111111111111111111222222222222222222222222')
@ -213,13 +231,12 @@ def transmit(data_out):
burst_payload[:len(burst_raw_payload)] = burst_raw_payload # get frame from TX_BUFFER burst_payload[:len(burst_raw_payload)] = burst_raw_payload # get frame from TX_BUFFER
burst_total_payload = burst_total_payload + burst_payload # append single frame to total payload buffer burst_total_payload = burst_total_payload + burst_payload # append single frame to total payload buffer
#print(burst_total_payload) #print(burst_total_payload)
# ----------- GENERATE PAYLOAD CRC FOR ARQ_TX_N_FRAMES_PER_BURST # ----------- GENERATE PAYLOAD CRC FOR ARQ_TX_N_FRAMES_PER_BURST
static.ARQ_BURST_PAYLOAD_CRC = helpers.get_crc_16(burst_total_payload) static.ARQ_BURST_PAYLOAD_CRC = helpers.get_crc_16(burst_total_payload)
#--------------------------------------------- N ATTEMPTS TO SEND BURSTS IF ACK RECEPTION FAILS #--------------------------------------------- N ATTEMPTS TO SEND BURSTS IF ACK RECEPTION FAILS
for static.TX_N_RETRIES in range(static.TX_N_MAX_RETRIES): for static.TX_N_RETRIES in range(static.TX_N_MAX_RETRIES):
print("SENDING") logging.info("ARQ | TX | ARQ FRAME --- ATTEMPT [" + str(static.TX_N_RETRIES+1) + "/" + str(static.TX_N_MAX_RETRIES) + "]")
# lets start a thread to transmit nonblocking # lets start a thread to transmit nonblocking
TRANSMIT_ARQ_BURST_THREAD = threading.Thread(target=modem.transmit_arq_burst, name="TRANSMIT_ARQ_BURST") TRANSMIT_ARQ_BURST_THREAD = threading.Thread(target=modem.transmit_arq_burst, name="TRANSMIT_ARQ_BURST")
TRANSMIT_ARQ_BURST_THREAD.start() TRANSMIT_ARQ_BURST_THREAD.start()
@ -234,7 +251,7 @@ def transmit(data_out):
static.ARQ_ACK_RECEIVED = 0 static.ARQ_ACK_RECEIVED = 0
static.ARQ_ACK_TIMEOUT = 0 static.ARQ_ACK_TIMEOUT = 0
logging.info("ARQ | WAITING FOR ACK") logging.info("ARQ | RX | WAITING FOR ACK")
static.ARQ_STATE = 'RECEIVING_ACK' static.ARQ_STATE = 'RECEIVING_ACK'
@ -255,7 +272,7 @@ def transmit(data_out):
# --------------------------- WHILE TIMEOUT NOT REACHED AND NO ACK RECEIVED --> LISTEN # --------------------------- WHILE TIMEOUT NOT REACHED AND NO ACK RECEIVED --> LISTEN
while static.ARQ_ACK_TIMEOUT == 0 and static.ARQ_ACK_RECEIVED == 0: while static.ARQ_ACK_TIMEOUT == 0 and static.ARQ_ACK_RECEIVED == 0:
time.sleep(0.01) # lets reduce CPU load a little bit time.sleep(0.01) # lets reduce CPU load a little bit
print(static.ARQ_STATE) #print(static.ARQ_STATE)
#--------------- BREAK LOOP IF ACK HAS BEEN RECEIVED #--------------- BREAK LOOP IF ACK HAS BEEN RECEIVED
@ -265,14 +282,15 @@ def transmit(data_out):
break break
if static.ARQ_ACK_RECEIVED == 0 and static.ARQ_ACK_TIMEOUT == 1: if static.ARQ_ACK_RECEIVED == 0 and static.ARQ_ACK_TIMEOUT == 1:
logging.info("ARQ | ACK TIMEOUT | SENDING ARQ BURST AGAIN") #logging.info("ARQ | RX | ACK TIMEOUT | SENDING ARQ BURST AGAIN")
pass
# ----------- if no ACK received and out of retries.....stop frame sending # ----------- if no ACK received and out of retries.....stop frame sending
#if static.ARQ_ACK_RECEIVED == 0 and static.ARQ_ACK_TIMEOUT == 1: if static.ARQ_ACK_RECEIVED == 0 and static.ARQ_ACK_TIMEOUT == 1:
# logging.info("ARQ | TX | NO ACK RECEIVED | DATA FRAME NEEDS TO BE RESEND!") logging.info("ARQ | TX | NO ACK RECEIVED | DATA FRAME NEEDS TO BE RESEND!")
# break break
#-------------------------BREAK TX BUFFER LOOP IF ALL PACKETS HAVE BEEN SENT #-------------------------BREAK TX BUFFER LOOP IF ALL PACKETS HAVE BEEN SENT
@ -286,8 +304,8 @@ def transmit(data_out):
# IF TX BUFFER IS EMPTY / ALL FRAMES HAVE BEEN SENT --> HERE WE COULD ADD AN static.VAR for IDLE STATE # IF TX BUFFER IS EMPTY / ALL FRAMES HAVE BEEN SENT --> HERE WE COULD ADD AN static.VAR for IDLE STATE
#logging.info("ARQ | TX | FRAME SUCESSFULLY TRANSMITTED! - TIME TO PARTY") #logging.info("ARQ | TX | FRAME SUCESSFULLY TRANSMITTED! - TIME TO PARTY")
logging.info("ARQ | TX | BUFFER EMPTY") logging.info("ARQ | TX | BUFFER EMPTY")
print(static.ARQ_N_SENT_FRAMES) #print(static.ARQ_N_SENT_FRAMES)
print(static.ARQ_TX_N_FRAMES_PER_BURST) #print(static.ARQ_TX_N_FRAMES_PER_BURST)
# - RESET COUNTERS # - RESET COUNTERS
static.ARQ_N_SENT_FRAMES = 0 static.ARQ_N_SENT_FRAMES = 0
static.ARQ_TX_N_FRAMES_PER_BURST = 0 static.ARQ_TX_N_FRAMES_PER_BURST = 0
@ -297,6 +315,6 @@ def transmit(data_out):
# BURST MACHINE TO DEFINE N BURSTS PER FRAME ---> LATER WE CAN USE CHANNEL MESSUREMENT TO SET FRAMES PER BURST # BURST MACHINE TO DEFINE N BURSTS PER FRAME ---> LATER WE CAN USE CHANNEL MESSUREMENT TO SET FRAMES PER BURST
def get_n_frames_per_burst(): def get_n_frames_per_burst():
#n_frames_per_burst = randrange(1,5) n_frames_per_burst = randrange(1,5)
n_frames_per_burst = 2 #n_frames_per_burst = 3
return n_frames_per_burst return n_frames_per_burst

13
modem.py
View file

@ -136,8 +136,7 @@ class RF():
# GET ARQ BURST FRAME VOM BUFFER AND MODULATE IT # GET ARQ BURST FRAME VOM BUFFER AND MODULATE IT
def transmit_arq_burst(self): def transmit_arq_burst(self):
static.ARQ_STATE = 'SENDING_DATA' static.ARQ_STATE = 'SENDING_DATA'
self.c_lib.freedv_open.restype = ctypes.POINTER(ctypes.c_ubyte) self.c_lib.freedv_open.restype = ctypes.POINTER(ctypes.c_ubyte)
freedv = self.c_lib.freedv_open(static.FREEDV_DATA_MODE) freedv = self.c_lib.freedv_open(static.FREEDV_DATA_MODE)
static.FREEDV_DATA_BYTES_PER_FRAME = int(self.c_lib.freedv_get_bits_per_modem_frame(freedv)/8) static.FREEDV_DATA_BYTES_PER_FRAME = int(self.c_lib.freedv_get_bits_per_modem_frame(freedv)/8)
@ -219,7 +218,7 @@ class RF():
self.c_lib.freedv_rawdatarx.argtype = [ctypes.POINTER(ctypes.c_ubyte), data_bytes_out, data_in] # check if really neccessary self.c_lib.freedv_rawdatarx.argtype = [ctypes.POINTER(ctypes.c_ubyte), data_bytes_out, data_in] # check if really neccessary
nbytes = self.c_lib.freedv_rawdatarx(freedv_data, data_bytes_out, data_in) # demodulate audio nbytes = self.c_lib.freedv_rawdatarx(freedv_data, data_bytes_out, data_in) # demodulate audio
print(self.c_lib.freedv_get_rx_status(freedv_data)) #print(self.c_lib.freedv_get_rx_status(freedv_data))
#modem_stats_snr = c_float() #modem_stats_snr = c_float()
#modem_stats_sync = c_int() #modem_stats_sync = c_int()
@ -235,9 +234,7 @@ class RF():
frame = frametype - 10 frame = frametype - 10
n_frames_per_burst = int.from_bytes(bytes(data_bytes_out[1:2]), "big") n_frames_per_burst = int.from_bytes(bytes(data_bytes_out[1:2]), "big")
if 50 >= frametype >= 10 and len(data_bytes_out) > 30: # --> The length check filters out random strings without CRC if 50 >= frametype >= 10 and len(data_bytes_out) > 30: # --> The length check filters out random strings without CRC
arq.data_received(bytes(data_bytes_out[:-2])) #send payload data to arq checker without CRC16
arq.data_received(bytes(data_bytes_out[:-2])) #send payload data to arq checker without CRC16
else: else:
print("MODE: " + str(data_mode) + " DATA: " + str(bytes(data_bytes_out))) print("MODE: " + str(data_mode) + " DATA: " + str(bytes(data_bytes_out)))
@ -266,8 +263,8 @@ class RF():
frametype = int.from_bytes(bytes(signalling_bytes_out[:1]), "big") frametype = int.from_bytes(bytes(signalling_bytes_out[:1]), "big")
if frametype == 60 and nbytes == static.FREEDV_SIGNALLING_BYTES_PER_FRAME: if frametype == 60 and nbytes == static.FREEDV_SIGNALLING_BYTES_PER_FRAME:
arq.ack_received() arq.ack_received()
rxstatus = self.c_lib.freedv_get_rx_status(freedv_signalling) rxstatus = self.c_lib.freedv_get_rx_status(freedv_signalling)
#print(rxstatus) #print(rxstatus)
if nbytes == static.FREEDV_SIGNALLING_BYTES_PER_FRAME or rxstatus == 10: if nbytes == static.FREEDV_SIGNALLING_BYTES_PER_FRAME or rxstatus == 10:
self.c_lib.freedv_set_sync(freedv_signalling, 0) #FORCE UNSYNC self.c_lib.freedv_set_sync(freedv_signalling, 0) #FORCE UNSYNC

13
static.py
View file

@ -30,11 +30,11 @@ PORT = 3000
#AUdio Defaults #AUdio Defaults
AUDIO_INPUT_DEVICE = 1 AUDIO_INPUT_DEVICE = 1
AUDIO_OUTPUT_DEVICE = 1 AUDIO_OUTPUT_DEVICE = 1
TX_SAMPLE_STATE = None #TX_SAMPLE_STATE = None
RX_SAMPLE_STATE = None #RX_SAMPLE_STATE = None
AUDIO_SAMPLE_RATE_RX = 44100 #AUDIO_SAMPLE_RATE_RX = 44100
AUDIO_SAMPLE_RATE_TX = 44100 #AUDIO_SAMPLE_RATE_TX = 44100
MODEM_SAMPLE_RATE = 8000 #8000 MODEM_SAMPLE_RATE = 8000 #8000
AUDIO_FRAMES_PER_BUFFER = 2048 AUDIO_FRAMES_PER_BUFFER = 2048
AUDIO_CHANNELS = 1 AUDIO_CHANNELS = 1
@ -55,11 +55,14 @@ ARQ_ACK_WAITING_FOR_ID = 0
ARQ_RX_BURST_BUFFER = [] ARQ_RX_BURST_BUFFER = []
ARQ_RX_FRAME_BUFFER = [] ARQ_RX_FRAME_BUFFER = []
ARQ_RX_FRAME_N_BURSTS = 0 ARQ_RX_FRAME_N_BURSTS = 0
ARQ_N_RX_ARQ_FRAMES = 0 # total number of received frames
ARQ_N_ARQ_FRAMES_PER_DATA_FRAME = 0 #total number of arq frames per data frame
ARQ_N_RX_FRAMES_PER_BURSTS = 0 # NUMBER OF FRAMES WE ARE WAITING FOR --> GOT DATA FROM RECEIVED FRAME ARQ_N_RX_FRAMES_PER_BURSTS = 0 # NUMBER OF FRAMES WE ARE WAITING FOR --> GOT DATA FROM RECEIVED FRAME
ARQ_ACK_PAYLOAD_PER_FRAME = 0 # PAYLOAD per ACK frame ARQ_ACK_PAYLOAD_PER_FRAME = 0 # PAYLOAD per ACK frame
ARQ_ACK_RECEIVED = 0 # set to 1 if ACK received ARQ_ACK_RECEIVED = 0 # set to 1 if ACK received
ARQ_ACK_TIMEOUT = 0 # set to 1 if timeut reached ARQ_ACK_TIMEOUT = 0 # set to 1 if timeut reached
ARQ_ACK_TIMEOUT_SECONDS = 3.0 #timeout for waiting for ACK frames ARQ_ACK_TIMEOUT_SECONDS = 4.0 #timeout for waiting for ACK frames
FRAME_CRC = b'' FRAME_CRC = b''
FRAME_BOF = b'\xAA\xAA' #here we define 2 bytes for the BOF FRAME_BOF = b'\xAA\xAA' #here we define 2 bytes for the BOF