From e33b82b805d0fcaaf24508db12be3bc602b23923 Mon Sep 17 00:00:00 2001
From: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
Date: Sat, 6 Apr 2024 18:03:00 +0200
Subject: [PATCH] first test program

---
 modem/codec2.py                               | 16 ++++---
 .../create_custom_ofdm_mod.py                 | 42 +++++++++++++++++++
 2 files changed, 52 insertions(+), 6 deletions(-)
 create mode 100644 tools/custom_mode_tests/create_custom_ofdm_mod.py

diff --git a/modem/codec2.py b/modem/codec2.py
index ea6fc1af..24f77e20 100644
--- a/modem/codec2.py
+++ b/modem/codec2.py
@@ -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))))
 
 
diff --git a/tools/custom_mode_tests/create_custom_ofdm_mod.py b/tools/custom_mode_tests/create_custom_ofdm_mod.py
new file mode 100644
index 00000000..edbe6ded
--- /dev/null
+++ b/tools/custom_mode_tests/create_custom_ofdm_mod.py
@@ -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()