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first test program

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DJ2LS 2024-04-06 18:03:00 +02:00
parent 5a3326fa46
commit e33b82b805
2 changed files with 52 additions and 6 deletions
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16
modem/codec2.py
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@ -475,11 +475,11 @@ def create_default_ofdm_config():
nuwbits=40,
bad_uw_errors=10,
ftwindowwidth=80,
edge_pilots=False,
state_machine=b"data",
edge_pilots=0,
state_machine="data".encode("utf-8"),
codename=b"H_1024_2048_4f",
tx_uw=uw_sequence,
amp_est_mode=1,
amp_est_mode=True,
tx_bpf_en=False,
rx_bpf_en=False,
foff_limiter=False,
@ -507,7 +507,7 @@ def create_default_ofdm_config():
data_ofdm_500_config = create_default_ofdm_config()
print(data_ofdm_500_config)
#print(data_ofdm_500_config)
data_ofdm_500_config.config.contents.ns = 5
data_ofdm_500_config.config.contents.np = 29
data_ofdm_500_config.config.contents.tcp = 0.006
@ -520,13 +520,17 @@ data_ofdm_500_config.config.contents.amp_est_mode = 1
data_ofdm_500_config.config.contents.amp_scale = 300E3
data_ofdm_500_config.config.contents.codename = b"H_1024_2048_4f"
data_ofdm_500_config.config.contents.clip_en = True
data_ofdm_500_config.config.contents.clip_gain1 = 2.7;
data_ofdm_500_config.config.contents.clip_gain1 = 2.2;
data_ofdm_500_config.config.contents.clip_gain2 = 0.8;
data_ofdm_500_config.config.contents.timing_mx_thresh = 0.10;
data_ofdm_500_config.config.contents.tx_bpf_en = False
data_ofdm_500_config.config.contents.rx_bpf_en = False
# Fill the tx_uw field with the uw_sequence, and pad the rest with zeros if necessary
uw_sequence = [1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0]
uw_sequence = [1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0]
#print(uw_sequence)
#print(len(uw_sequence))
#uw_sequence.reverse()
#print(uw_sequence)
data_ofdm_500_config.tx_uw = (ctypes.c_uint8 * MAX_UW_BITS)(*(uw_sequence + [0]*(MAX_UW_BITS-len(uw_sequence))))

42
tools/custom_mode_tests/create_custom_ofdm_mod.py Normal file
View file

@ -0,0 +1,42 @@
"""
FreeDATA % python3.11 tools/custom_mode_tests/create_custom_ofdm_mod.py | ./modem/lib/codec2/build_osx/src/freedv_data_raw_rx --vv --framesperburst 1 DATAC1 - /dev/null
"""
import sys
sys.path.append('modem')
import numpy as np
modem_path = '/../../modem'
if modem_path not in sys.path:
sys.path.append(modem_path)
#import modem.codec2 as codec2
from codec2 import *
import modulator as modulator
import config as config
config = config.CONFIG('config.ini')
modulator = modulator.Modulator(config.read())
#freedv = open_instance(FREEDV_MODE.data_ofdm_2438.value)
#freedv = open_instance(FREEDV_MODE.datac3.value)
freedv = open_instance(FREEDV_MODE.data_ofdm_500.value)
frames = 10
txbuffer = bytearray()
for frame in range(0,frames):
txbuffer = modulator.transmit_add_silence(txbuffer, 1000)
txbuffer = modulator.transmit_add_preamble(txbuffer, freedv)
txbuffer = modulator.transmit_create_frame(txbuffer, freedv, b'123')
txbuffer = modulator.transmit_add_postamble(txbuffer, freedv)
txbuffer = modulator.transmit_add_silence(txbuffer, 1000)
#print(txbuffer)
sys.stdout.buffer.write(txbuffer)
sys.stdout.buffer.flush()