New rf/ad9361 initialization script with new ad9361 filter file:

1. Wider bandwidth for 11n (4 extra subcarriers than 11a/g)
2. No offset tuning anymore

user_space/openwifi_ad9361_fir_tx_0MHz.ftr

@@ -0,0 +1,40 @@
+# Data Sample Frequency = 40000000 Hz
+TX 3 GAIN 0 INT 1
+RX 3 GAIN -6 DEC 1
+RTX 1280000000 160000000 80000000 40000000 40000000 40000000
+RRX 1280000000 160000000 80000000 40000000 40000000 40000000
+# BWTX 35301580
+BWTX 20172411
+BWRX 20172411
+-2628,-2628
+2130,2130
+1397,1397
+-487,-487
+-1098,-1098
+865,865
+2132,2132
+-112,-112
+-2468,-2468
+-169,-169
+3686,3686
+1455,1455
+-5304,-5304
+-4052,-4052
+11297,11297
+27949,27949
+27949,27949
+11297,11297
+-4052,-4052
+-5304,-5304
+1455,1455
+3686,3686
+-169,-169
+-2468,-2468
+-112,-112
+2132,2132
+865,865
+-1098,-1098
+-487,-487
+1397,1397
+2130,2130
+-2628,-2628

user_space/openwifi_ad9361_fir_tx_0MHz_11n.ftr

@@ -0,0 +1,69 @@
+# Generated with AD9361 Filter Design Wizard 16.1.3-g924f0cd
+# MATLAB 9.10.0.1602886 (R2021a), 18-Nov-2021 11:34:55
+# Inputs:
+# Data Sample Frequency = 40000000 Hz
+# Filter = 2
+# Phase Equalization = 0
+# Use AD936x FIR = 1
+# Fpass = 8.750000e+00
+# Fstop = 1.125000e+01
+# Apass = 5.000000e-01
+# Astop = 80
+# Param = 0.000000
+# PLL rate  = 1280
+# Converter = 320
+# Data rate = 40
+TX 3 GAIN -6 INT 1
+RX 3 GAIN -6 DEC 1
+RTX 1280000000 320000000 160000000 80000000 40000000 40000000
+RRX 1280000000 320000000 160000000 80000000 40000000 40000000
+BWTX 25215414
+BWRX 25215513
+41,56
+31,70
+-187,-148
+-496,-500
+-395,-434
+183,169
+412,436
+-201,-208
+-619,-674
+148,137
+886,956
+-38,-14
+-1232,-1325
+-166,-214
+1680,1799
+513,598
+-2284,-2437
+-1107,-1255
+3197,3389
+2238,2507
+-4904,-5127
+-5068,-5623
+10562,10560
+28812,29674
+28812,29674
+10562,10560
+-5068,-5623
+-4904,-5127
+2238,2507
+3197,3389
+-1107,-1255
+-2284,-2437
+513,598
+1680,1799
+-166,-214
+-1232,-1325
+-38,-14
+886,956
+148,137
+-619,-674
+-201,-208
+412,436
+183,169
+-395,-434
+-496,-500
+-187,-148
+31,70
+41,56

user_space/rf_init_11n.sh

@@ -0,0 +1,137 @@
+#!/bin/sh
+
+# Author: Xianjun Jiao
+# SPDX-FileCopyrightText: 2019 UGent
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+home_dir=$(pwd)
+
+#if [ -z "$1" ]
+#then
+#  tx_offset_tuning_enable=1
+#else
+  tx_offset_tuning_enable=0
+#fi
+echo tx_offset_tuning_enable $tx_offset_tuning_enable
+
+#if [ $tx_offset_tuning_enable = "1" ]
+#then
+#  fir_filename="openwifi_ad9361_fir.ftr"
+#  tx_fir_enable=0
+#else
+#  fir_filename="openwifi_ad9361_fir_tx_0MHz.ftr"
+#  tx_fir_enable=1
+#fi
+
+fir_filename="openwifi_ad9361_fir_tx_0MHz_11n.ftr"
+tx_fir_enable=1
+
+echo $fir_filename "tx_fir_enable" $tx_fir_enable
+
+if test -f $fir_filename; then
+  echo "Found" $fir_filename
+else
+  echo "Can not find" $fir_filename
+  exit 1
+fi
+
+set -x
+if test -f "/sys/bus/iio/devices/iio:device0/in_voltage_rf_bandwidth"; then
+  cd /sys/bus/iio/devices/iio:device0/
+else if test -f "/sys/bus/iio/devices/iio:device1/in_voltage_rf_bandwidth"; then
+       cd /sys/bus/iio/devices/iio:device1/
+     else if test -f "/sys/bus/iio/devices/iio:device2/in_voltage_rf_bandwidth"; then
+            cd /sys/bus/iio/devices/iio:device2/
+          else if test -f "/sys/bus/iio/devices/iio:device3/in_voltage_rf_bandwidth"; then
+                 cd /sys/bus/iio/devices/iio:device3/
+               else if test -f "/sys/bus/iio/devices/iio:device4/in_voltage_rf_bandwidth"; then
+                      cd /sys/bus/iio/devices/iio:device4/
+                    else
+                      echo "Can not find in_voltage_rf_bandwidth!"
+                      echo "Check log to make sure ad9361 driver is loaded!"
+                      exit 1
+                    fi
+               fi
+          fi
+     fi
+fi
+set +x
+
+echo 25215513 >  in_voltage_rf_bandwidth
+sync
+echo 25215414 >  out_voltage_rf_bandwidth
+sync
+echo 40000000 >  in_voltage_sampling_frequency
+sync
+echo 40000000 >  out_voltage_sampling_frequency
+sync
+sleep 1
+
+echo 1000000000 >  out_altvoltage0_RX_LO_frequency
+sync
+echo 1000000000 >  out_altvoltage1_TX_LO_frequency
+sync
+
+cat $home_dir/$fir_filename > filter_fir_config
+sync
+sleep 0.5
+echo 1 > in_voltage_filter_fir_en
+echo $tx_fir_enable > out_voltage_filter_fir_en
+cat filter_fir_config
+cat in_voltage_filter_fir_en
+cat out_voltage_filter_fir_en
+
+echo "rx0 agc fast_attack"
+#echo "rx0 agc manual"
+cat in_voltage0_gain_control_mode
+echo fast_attack > in_voltage0_gain_control_mode
+#echo manual > in_voltage0_gain_control_mode
+cat in_voltage0_gain_control_mode
+sync
+
+echo "rx1 agc fast_attack"
+#echo "rx1 agc manual"
+cat in_voltage1_gain_control_mode
+echo fast_attack > in_voltage1_gain_control_mode
+#echo manual > in_voltage1_gain_control_mode
+cat in_voltage1_gain_control_mode
+sync
+sleep 1
+
+cat in_voltage_sampling_frequency
+cat in_voltage_rf_bandwidth
+cat out_voltage_sampling_frequency
+cat out_voltage_rf_bandwidth
+
+echo "rssi"
+cat in_voltage0_rssi
+cat in_voltage1_rssi
+
+# #  --------not needed maybe-------- # #
+echo "rx0 gain to 70" # this set gain is gpio gain - 5dB (test with agc and read back gpio in driver)
+cat in_voltage0_hardwaregain
+echo 70 > in_voltage0_hardwaregain
+cat in_voltage0_hardwaregain
+sync
+
+echo "rx1 gain to 70"
+cat in_voltage1_hardwaregain
+echo 70 > in_voltage1_hardwaregain
+cat in_voltage1_hardwaregain
+sync
+
+echo "tx0 gain -89dB"
+cat out_voltage0_hardwaregain
+echo -89 > out_voltage0_hardwaregain
+cat out_voltage0_hardwaregain
+sync
+
+echo "tx1 gain 0dB"
+cat out_voltage1_hardwaregain
+echo 0 > out_voltage1_hardwaregain
+cat out_voltage1_hardwaregain
+sync
+# #  --------not needed maybe-------- # #
+
+cd $home_dir
+