v4.1.1

* HAL: Fixed bug in "Listen-Before-Talk" which was preventing from configuring
the Scan Time to 5ms.
* MISC: Added GPIO number to reset_lgw.sh command arguments.

Author: mcoracin

VERSION

@@ -1 +1 @@
-4.1.0
+4.1.1

fpga/readme.md

@@ -16,15 +16,18 @@ Reference Design board (SX1301AP2-PCB_E336) flash memory.
 
 The different images contain the following features:
 
-* SX1301_FPGA_200K_NOTCH_LBT_SPECTRAL_SCAN_863_v33.hex:
+* SX1301_FPGA_200K_NOTCH_LBT_SPECTRAL_SCAN_915_v33.hex:
     - 200KHz Notch filter for TX (not programmable)
-    - Listen-Before-Talk for 863+MHz frequency range
+    - Listen-Before-Talk for 915+MHz frequency range (Japan)
     - Background Spectral Scan (limited)
 
-* SX1301_FPGA_200K_NOTCH_LBT_SPECTRAL_SCAN_915_v33.hex:
+* SX1301_FPGA_200K_NOTCH_LBT_SPECTRAL_SCAN_863_v33.hex:
     - 200KHz Notch filter for TX (not programmable)
-    - Listen-Before-Talk for 915+MHz frequency range
+    - Listen-Before-Talk for 863+MHz frequency range
     - Background Spectral Scan (limited)
+Note: This image is the same as the 915+MHz version. It is just meant for
+testing "Japan-like" LBT feature on a EU868 board. It does not provide certified
+LBT for European band.
 
 * SX1301_FPGA_NOTCH_PROG_SPECTRAL_SCAN_v31.hex:
     - Programmable notch filter for TX

libloragw/src/loragw_lbt.c

@@ -177,7 +177,7 @@ int lbt_setup(void) {
             DEBUG_PRINTF("ERROR: Failed to configure FPGA for LBT channel %d (freq offset)\n", i);
             return LGW_LBT_ERROR;
         }
-        if (lbt_channel_cfg[i].freq_hz == 5000) { /* configured to 128 by default */
+        if (lbt_channel_cfg[i].scan_time_us == 5000) { /* configured to 128 by default */
             x = lgw_fpga_reg_w(LGW_FPGA_LBT_SCAN_TIME_CH0+i, 1);
             if (x != LGW_REG_SUCCESS) {
                 DEBUG_PRINTF("ERROR: Failed to configure FPGA for LBT channel %d (freq offset)\n", i);

readme.md

@@ -70,6 +70,12 @@ chip through GPIO, before starting any application using the concentrator.
 4. Changelog
 -------------
 
+### v4.1.1 ###
+
+* HAL: Fixed bug in "Listen-Before-Talk" which was preventing from configuring
+the Scan Time to 5ms.
+* MISC: Added GPIO number to reset_lgw.sh command arguments.
+
 ### v4.1.0 ###
 
 * HAL: Reworked "Listen-Before-Talk" feature to have more flexibility to define

reset_lgw.sh

@@ -1,15 +1,22 @@
 #!/bin/sh
 
-# This script is intended to be used on IoT Starter Kit platform only, it
-# performs the following actions:
+# This script is intended to be used on IoT Starter Kit platform, it performs
+# the following actions:
 #       - export/unpexort GPIO7 used to reset the SX1301 chip
 #
 # Usage examples:
 #       ./reset_lgw.sh stop
 #       ./reset_lgw.sh start
 
 # The reset pin of SX1301 is wired with RPi GPIO7
-IOT_SK_SX1301_RESET_PIN=7
+# If used on another platform, the GPIO number can be given as parameter.
+if [ -z "$2" ]; then 
+    IOT_SK_SX1301_RESET_PIN=7
+else
+    IOT_SK_SX1301_RESET_PIN=$2
+fi
+
+echo "Accessing concentrator reset pin through GPIO$IOT_SK_SX1301_RESET_PIN..."
 
 WAIT_GPIO() {
     sleep 0.1
@@ -47,7 +54,7 @@ case "$1" in
     iot_sk_term
     ;;
     *)
-    echo "Usage: $0 {start|stop}"
+    echo "Usage: $0 {start|stop} [<gpio number>]"
     exit 1
     ;;
 esac