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testing multiple frames per burst

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drowe67 2021-12-12 09:45:23 +10:30 committed by David Rowe
parent d132357d9c
commit fde0c1432c
2 changed files with 7 additions and 16 deletions
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4
CMakeLists.txt
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@ -24,7 +24,7 @@ add_test(NAME 001_highsnr_stdio
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 14 --delay 500 --frames 2 --bursts 1 |
freedv_data_raw_rx datac0 - - | hexdump -C")
python3 test_tx.py --mode 14 --delay 500 --frames 3 --bursts 1 |
freedv_data_raw_rx datac0 - - --framesperburst 3 | hexdump -C")
set_tests_properties(001_highsnr_stdio PROPERTIES PASS_REGULAR_EXPRESSION "HELLO WORLD")

19
test/001_highsnr_stdio_audio/test_tx.py
View file

@ -42,15 +42,6 @@ MODEM_SAMPLE_RATE = 8000
mode = args.FREEDV_MODE
data_out = b'HELLO WORLD!'
print(N_BURSTS, file=sys.stderr)
print(N_FRAMES_PER_BURST, file=sys.stderr)
#-------------------------------------------- LOAD FREEDV
libname = "libcodec2.so"
@ -102,7 +93,7 @@ crc = crc.value.to_bytes(2, byteorder='big') # convert crc to 2 byte hex string
buffer += crc # append crc16 to buffer
print("BURSTS: " + str(N_BURSTS) + " FRAMES: " + str(N_FRAMES_PER_BURST) , file=sys.stderr)
print("BURSTS: " + str(N_BURSTS) + " FRAMES_PER_BURST: " + str(N_FRAMES_PER_BURST) , file=sys.stderr)
for i in range(0,N_BURSTS):
@ -117,13 +108,14 @@ for i in range(0,N_BURSTS):
c_lib.freedv_rawdatatx(freedv,mod_out,data) # modulate DATA and save it into mod_out pointer
txbuffer += bytes(mod_out)
print("frame",n, file=sys.stderr)
c_lib.freedv_rawdatapostambletx(freedv, mod_out_postamble)
txbuffer += bytes(mod_out_postamble)
inter_burst_delay_ms = 200
samples_delay = int(MODEM_SAMPLE_RATE*inter_burst_delay_ms/1000)
samples_delay = int(MODEM_SAMPLE_RATE*DELAY_BETWEEN_BURSTS)
mod_out_silence = ctypes.c_short * samples_delay
print("samples_delay", samples_delay, "DELAY_BETWEEN_BURSTS", DELAY_BETWEEN_BURSTS, file=sys.stderr)
mod_out_silence = mod_out_silence()
txbuffer += bytes(mod_out_silence)
@ -134,7 +126,6 @@ for i in range(0,N_BURSTS):
else:
sys.stdout.buffer.write(txbuffer) # print data to terminal for piping the output to other programs
sys.stdout.flush()
txbuffer = bytearray()
if DATA_OUTPUT == "audio":
stream_tx.close()