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multimode testrun

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added multimode test and added a SM and MM for single mode and multimode
This commit is contained in:
dj2ls 2021-12-13 21:11:09 +01:00
parent 9565005f71
commit e79aa0b457
4 changed files with 288 additions and 7 deletions
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20
CMakeLists.txt
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@ -22,26 +22,34 @@ set(FRAMESPERBURST 3)
set(BURSTS 1)
set(TESTFRAMES 3)
add_test(NAME 001_highsnr_stdio_P_C
add_test(NAME 001_highsnr_stdio_P_C_SM
COMMAND sh -c "export LD_LIBRARY_PATH=${CODEC2_BUILD_DIR}/src;
PATH=$PATH:${CODEC2_BUILD_DIR}/src;
cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
python3 test_tx.py --mode datac0 --delay 500 --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS} |
freedv_data_raw_rx datac0 - - --framesperburst ${FRAMESPERBURST} | hexdump -C")
set_tests_properties(001_highsnr_stdio_P_C PROPERTIES PASS_REGULAR_EXPRESSION "HELLO WORLD")
set_tests_properties(001_highsnr_stdio_P_C_SM PROPERTIES PASS_REGULAR_EXPRESSION "HELLO WORLD")
add_test(NAME 001_highsnr_stdio_C_P
add_test(NAME 001_highsnr_stdio_C_P_SM
COMMAND sh -c "export LD_LIBRARY_PATH=${CODEC2_BUILD_DIR}/src;
PATH=$PATH:${CODEC2_BUILD_DIR}/src;
cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
freedv_data_raw_tx datac0 --testframes ${TESTFRAMES} --bursts ${BURSTS} --framesperburst ${FRAMESPERBURST} /dev/zero - |
python3 test_rx.py --mode datac0 --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS}")
set_tests_properties(001_highsnr_stdio_C_P PROPERTIES PASS_REGULAR_EXPRESSION "RECEIVED BURSTS: ${BURSTS} RECEIVED FRAMES: ${FRAMESPERBURST}")
set_tests_properties(001_highsnr_stdio_C_P_SM PROPERTIES PASS_REGULAR_EXPRESSION "RECEIVED BURSTS: ${BURSTS} RECEIVED FRAMES: ${FRAMESPERBURST}")
add_test(NAME 001_highsnr_stdio_P_P
add_test(NAME 001_highsnr_stdio_P_P_SM
COMMAND sh -c "export LD_LIBRARY_PATH=${CODEC2_BUILD_DIR}/src;
PATH=$PATH:${CODEC2_BUILD_DIR}/src;
cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
python3 test_tx.py --mode datac0 --delay 500 --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS} |
python3 test_rx.py --mode datac0 --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS}")
set_tests_properties(001_highsnr_stdio_P_P PROPERTIES PASS_REGULAR_EXPRESSION "RECEIVED BURSTS: ${BURSTS} RECEIVED FRAMES: ${FRAMESPERBURST}")
set_tests_properties(001_highsnr_stdio_P_P_SM PROPERTIES PASS_REGULAR_EXPRESSION "RECEIVED BURSTS: ${BURSTS} RECEIVED FRAMES: ${FRAMESPERBURST}")
add_test(NAME 001_highsnr_stdio_P_P_MM
COMMAND sh -c "export LD_LIBRARY_PATH=${CODEC2_BUILD_DIR}/src;
PATH=$PATH:${CODEC2_BUILD_DIR}/src;
cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
python3 test_multimode_tx.py --delay 500 --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS} |
python3 test_multimode_rx.py --framesperburst ${FRAMESPERBURST} --bursts ${BURSTS}")
set_tests_properties(001_highsnr_stdio_P_P_MM PROPERTIES PASS_REGULAR_EXPRESSION "DATAC0: ${BURSTS}/${FRAMESPERBURST} DATAC1: ${BURSTS}/${FRAMESPERBURST} DATAC3: ${BURSTS}/${FRAMESPERBURST}")

144
test/001_highsnr_stdio_audio/test_multimode_rx.py Executable file
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@ -0,0 +1,144 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import pyaudio
import audioop
import time
import argparse
import sys
import ctypes
from ctypes import *
import pathlib
sys.path.insert(0,'..')
import codec2
#--------------------------------------------GET PARAMETER INPUTS
parser = argparse.ArgumentParser(description='Simons TEST TNC')
parser.add_argument('--bursts', dest="N_BURSTS", default=0, type=int)
parser.add_argument('--framesperburst', dest="N_FRAMES_PER_BURST", default=0, type=int)
parser.add_argument('--audioinput', dest="AUDIO_INPUT", default=0, type=int)
parser.add_argument('--debug', dest="DEBUGGING_MODE", action="store_true")
args = parser.parse_args()
N_BURSTS = args.N_BURSTS
N_FRAMES_PER_BURST = args.N_FRAMES_PER_BURST
AUDIO_INPUT_DEVICE = args.AUDIO_INPUT
# SET COUNTERS
rx_total_frames_datac0 = 0
rx_frames_datac0 = 0
rx_bursts_datac0 = 0
rx_total_frames_datac1 = 0
rx_frames_datac1 = 0
rx_bursts_datac1 = 0
rx_total_frames_datac3 = 0
rx_frames_datac3 = 0
rx_bursts_datac3 = 0
# open codec2 instance
datac0_freedv = cast(codec2.api.freedv_open(14), c_void_p)
datac0_bytes_per_frame = int(codec2.api.freedv_get_bits_per_modem_frame(datac0_freedv)/8)
datac0_n_max_modem_samples = codec2.api.freedv_get_n_max_modem_samples(datac0_freedv)
datac0_bytes_out = create_string_buffer(datac0_bytes_per_frame * 2)
codec2.api.freedv_set_frames_per_burst(datac0_freedv,N_FRAMES_PER_BURST)
datac0_buffer = bytes()
datac1_freedv = cast(codec2.api.freedv_open(10), c_void_p)
datac1_bytes_per_frame = int(codec2.api.freedv_get_bits_per_modem_frame(datac1_freedv)/8)
datac1_n_max_modem_samples = codec2.api.freedv_get_n_max_modem_samples(datac1_freedv)
datac1_bytes_out = create_string_buffer(datac1_bytes_per_frame * 2)
codec2.api.freedv_set_frames_per_burst(datac1_freedv,N_FRAMES_PER_BURST)
datac1_buffer = bytes()
datac3_freedv = cast(codec2.api.freedv_open(12), c_void_p)
datac3_bytes_per_frame = int(codec2.api.freedv_get_bits_per_modem_frame(datac3_freedv)/8)
datac3_n_max_modem_samples = codec2.api.freedv_get_n_max_modem_samples(datac3_freedv)
datac3_bytes_out = create_string_buffer(datac3_bytes_per_frame * 2)
codec2.api.freedv_set_frames_per_burst(datac3_freedv,N_FRAMES_PER_BURST)
datac3_buffer = bytes()
# check if we want to use an audio device then do an pyaudio init
if AUDIO_INPUT_DEVICE != 0:
p = pyaudio.PyAudio()
# --------------------------------------------OPEN AUDIO CHANNEL RX
stream_rx = p.open(format=pyaudio.paInt16,
channels=1,
rate=48000,
frames_per_buffer=16,
input=True,
input_device_index=5
)
timeout = time.time() + 10
receive = True
while receive and time.time() < timeout:
if AUDIO_INPUT_DEVICE != 0:
data_in = stream_rx.read(1024, exception_on_overflow=True)
data_in = audioop.ratecv(data_in, 2, 1, 48000, 8000, None)
data_in = data_in[0] # .rstrip(b'\x00')
else:
data_in = sys.stdin.buffer.read(1024)
datac0_buffer += data_in
datac1_buffer += data_in
datac3_buffer += data_in
datac0_nin = codec2.api.freedv_nin(datac0_freedv) * 2
if len(datac0_buffer) >= (datac0_nin):
datac0_audio = datac0_buffer[:datac0_nin]
datac0_buffer = datac0_buffer[datac0_nin:]
nbytes = codec2.api.freedv_rawdatarx(datac0_freedv, datac0_bytes_out, datac0_audio) # demodulate audio
if nbytes == datac0_bytes_per_frame:
rx_total_frames_datac0 = rx_total_frames_datac0 + 1
rx_frames_datac0 = rx_frames_datac0 + 1
if rx_frames_datac0 == N_FRAMES_PER_BURST:
rx_frames_datac0 = 0
rx_bursts_datac0 = rx_bursts_datac0 + 1
datac1_nin = codec2.api.freedv_nin(datac1_freedv) * 2
if len(datac1_buffer) >= (datac1_nin):
datac1_audio = datac1_buffer[:datac1_nin]
datac1_buffer = datac1_buffer[datac1_nin:]
nbytes = codec2.api.freedv_rawdatarx(datac1_freedv, datac1_bytes_out, datac1_audio) # demodulate audio
if nbytes == datac1_bytes_per_frame:
rx_total_frames_datac1 = rx_total_frames_datac1 + 1
rx_frames_datac1 = rx_frames_datac1 + 1
if rx_frames_datac1 == N_FRAMES_PER_BURST:
rx_frames_datac1 = 0
rx_bursts_datac1 = rx_bursts_datac1 + 1
datac3_nin = codec2.api.freedv_nin(datac3_freedv) * 2
if len(datac3_buffer) >= (datac3_nin):
datac3_audio = datac3_buffer[:datac3_nin]
datac3_buffer = datac3_buffer[datac3_nin:]
nbytes = codec2.api.freedv_rawdatarx(datac3_freedv, datac3_bytes_out, datac3_audio) # demodulate audio
if nbytes == datac3_bytes_per_frame:
rx_total_frames_datac3 = rx_total_frames_datac3 + 1
rx_frames_datac3 = rx_frames_datac3 + 1
if rx_frames_datac3 == N_FRAMES_PER_BURST:
rx_frames_datac3 = 0
rx_bursts_datac3 = rx_bursts_datac3 + 1
if rx_bursts_datac0 == N_BURSTS and rx_bursts_datac1 == N_BURSTS and rx_bursts_datac3 == N_BURSTS:
receive = False
# INFO IF WE REACHED TIMEOUT
if time.time() > timeout:
print(f"TIMEOUT REACHED", file=sys.stderr)
print(f"DATAC0: {rx_bursts_datac0}/{rx_total_frames_datac0} DATAC1: {rx_bursts_datac1}/{rx_total_frames_datac1} DATAC3: {rx_bursts_datac3}/{rx_total_frames_datac3}", file=sys.stderr)

122
test/001_highsnr_stdio_audio/test_multimode_tx.py Normal file
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@ -0,0 +1,122 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import ctypes
from ctypes import *
import pathlib
import pyaudio
import time
import threading
import audioop
import argparse
import sys
sys.path.insert(0,'..')
import codec2
# GET PARAMETER INPUTS
parser = argparse.ArgumentParser(description='FreeDATA TEST')
parser.add_argument('--bursts', dest="N_BURSTS", default=0, type=int)
parser.add_argument('--framesperburst', dest="N_FRAMES_PER_BURST", default=0, type=int)
parser.add_argument('--delay', dest="DELAY_BETWEEN_BURSTS", default=0, type=int)
parser.add_argument('--audiooutput', dest="AUDIO_OUTPUT", default=0, type=int)
args = parser.parse_args()
N_BURSTS = args.N_BURSTS
N_FRAMES_PER_BURST = args.N_FRAMES_PER_BURST
DELAY_BETWEEN_BURSTS = args.DELAY_BETWEEN_BURSTS/1000
AUDIO_OUTPUT_DEVICE = args.AUDIO_OUTPUT
# AUDIO PARAMETERS
AUDIO_FRAMES_PER_BUFFER = 2048
MODEM_SAMPLE_RATE = codec2.api.FREEDV_FS_8000
AUDIO_SAMPLE_RATE_TX = 48000
if AUDIO_OUTPUT_DEVICE != 0:
# pyaudio init
p = pyaudio.PyAudio()
stream_tx = p.open(format=pyaudio.paInt16,
channels=1,
rate=AUDIO_SAMPLE_RATE_TX,
frames_per_buffer=AUDIO_FRAMES_PER_BUFFER, #n_nom_modem_samples
output=True,
output_device_index=AUDIO_OUTPUT_DEVICE,
)
modes = [14,10,12]
for m in modes:
freedv = cast(codec2.api.freedv_open(m), c_void_p)
n_tx_modem_samples = codec2.api.freedv_get_n_tx_modem_samples(freedv)
mod_out = create_string_buffer(2*n_tx_modem_samples)
n_tx_preamble_modem_samples = codec2.api.freedv_get_n_tx_preamble_modem_samples(freedv)
mod_out_preamble = create_string_buffer(2*n_tx_preamble_modem_samples)
n_tx_postamble_modem_samples = codec2.api.freedv_get_n_tx_postamble_modem_samples(freedv)
mod_out_postamble = create_string_buffer(2*n_tx_postamble_modem_samples)
bytes_per_frame = int(codec2.api.freedv_get_bits_per_modem_frame(freedv) / 8)
payload_per_frame = bytes_per_frame - 2
# data binary string
data_out = b'HELLO WORLD!'
buffer = bytearray(payload_per_frame)
# set buffersize to length of data which will be send
buffer[:len(data_out)] = data_out
crc = ctypes.c_ushort(codec2.api.freedv_gen_crc16(bytes(buffer), payload_per_frame)) # generate CRC16
# convert crc to 2 byte hex string
crc = crc.value.to_bytes(2, byteorder='big')
buffer += crc # append crc16 to buffer
data = (ctypes.c_ubyte * bytes_per_frame).from_buffer_copy(buffer)
for i in range(1,N_BURSTS+1):
# write preamble to txbuffer
codec2.api.freedv_rawdatapreambletx(freedv, mod_out_preamble)
txbuffer = bytes(mod_out_preamble)
# create modulaton for N = FRAMESPERBURST and append it to txbuffer
for n in range(1,N_FRAMES_PER_BURST+1):
data = (ctypes.c_ubyte * bytes_per_frame).from_buffer_copy(buffer)
codec2.api.freedv_rawdatatx(freedv,mod_out,data) # modulate DATA and save it into mod_out pointer
txbuffer += bytes(mod_out)
# append postamble to txbuffer
codec2.api.freedv_rawdatapostambletx(freedv, mod_out_postamble)
txbuffer += bytes(mod_out_postamble)
# append a delay between bursts as audio silence
samples_delay = int(MODEM_SAMPLE_RATE*DELAY_BETWEEN_BURSTS)
mod_out_silence = create_string_buffer(samples_delay)
txbuffer += bytes(mod_out_silence)
# check if we want to use an audio device or stdout
if AUDIO_OUTPUT_DEVICE != 0:
# sample rate conversion from 8000Hz to 48000Hz
audio = audioop.ratecv(txbuffer,2,1,MODEM_SAMPLE_RATE, AUDIO_SAMPLE_RATE_TX, None)
stream_tx.write(audio[0])
else:
# print data to terminal for piping the output to other programs
sys.stdout.buffer.write(txbuffer)
sys.stdout.flush()
# and at last check if we had an openend pyaudio instance and close it
if AUDIO_OUTPUT_DEVICE != 0:
stream_tx.close()
p.terminate()

9
test/codec2.py
View file

@ -4,6 +4,7 @@
import ctypes
from ctypes import *
import sys
import pathlib
from enum import Enum
print("loading codec2 module", file=sys.stderr)
@ -14,7 +15,9 @@ class FREEDV_MODE(Enum):
datac0 = 14
datac1 = 10
datac3 = 12
def FREEDV_GET_MODE(mode):
return FREEDV_MODE[mode].value
@ -22,6 +25,7 @@ class FREEDV_MODE(Enum):
libname = "libcodec2.so"
api = ctypes.CDLL(libname)
# ctypes function init
api.freedv_open.argype = [c_int]
@ -54,6 +58,9 @@ api.freedv_set_frames_per_burst.restype = c_void_p
api.freedv_get_rx_status.argtype = [c_void_p]
api.freedv_get_rx_status.restype = c_int
api.freedv_get_modem_stats.argtype = [c_void_p, c_void_p, c_void_p]
api.freedv_get_modem_stats.restype = c_int
api.freedv_get_n_tx_postamble_modem_samples.argtype = [c_void_p]
api.freedv_get_n_tx_postamble_modem_samples.restype = c_int