Merge pull request #104 from thetechprepper/feature/et-wwv

feature/et-wwv

REGRESSION.md

@@ -1,7 +1,7 @@
 # ETC Regression Tests 
 
-- **Build**: ETC R6 Build 12
-- **Date**: 27 March 2026
+- **Build**: ETC R7 Build 1
+- **Date**: 16 April 2026
 
 ## Desktop/Launcher Icons
 
@@ -82,6 +82,7 @@
   * [ ] RMS station listed
   * [ ] Select RMS gateway => VFO updated
   * [ ] Connect
+* [ ] wwv
 
 ## Bluetooth TNC
 

overlay/etc/skel/.bash_profile

@@ -1,6 +1,6 @@
 # Author      : Gaston Gonzalez
 # Date        : 23 April 2024
-# Updated     : 18 March 2025
+# Updated     : 16 April 2026
 # Description : bash profile
 
 # All user accounts should be in the 'et-data' group to allow data sharing with
@@ -13,6 +13,7 @@ xset b off
 
 alias pbcopy='xsel --clipboard --input'
 alias pbpaste='xsel --clipboard --output'
+alias et-clock='tty-clock -c -s -b'
 
 RED='\x1B[1;31m'
 BLUE='\x1B[1;34m'

overlay/etc/sudoers.d/et-wwv

@@ -0,0 +1 @@
+%sudo ALL=(ALL) NOPASSWD: /opt/emcomm-tools/sbin/wrapper-et-wwv.sh

overlay/opt/emcomm-tools/bin/et-auth-table.sh

@@ -0,0 +1,23 @@
+#/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 7 January 2025
+# Purpose : Generates an authentication table
+
+top=( {A..M} )
+side=( {N..Z} )
+chars=( {A..Z} {0..9} )
+
+printf "%2s " ""
+for col in "${top[@]}"; do
+  printf "%2s " "$col"
+done
+printf "\n"
+
+for row in "${side[@]}"; do
+  printf "%2s " "$row"
+  for col in "${top[@]}"; do
+    rand_index=$(( RANDOM % ${#chars[@]} ))
+    printf "%2s " "${chars[$rand_index]}"
+  done
+  printf "\n"
+done

overlay/opt/emcomm-tools/bin/et-common

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Author  : Gaston Gonzalez
 # Date    : 1 February 2025
-# Updated : 7 October 2025
+# Updated : 16 April 2026
 # Purpose : Common environment variables and functions
 
 # Standardized device paths for supported hardware
@@ -40,6 +40,13 @@ exit_if_no_sdr() {
   fi
 }
 
+exit_if_no_audio() {
+  if [[ ! -e ${ET_DEVICE_AUDIO} ]]; then
+    et-log "No ${ET_DEVICE_AUDIO} detected."
+    exit 1
+  fi
+}
+
 exit_on_service_failure() {
   local systemd_unit_name="$1"
   systemctl is-active --user --quiet "${systemd_unit_name}"

overlay/opt/emcomm-tools/bin/et-mode

@@ -2,7 +2,7 @@
 #
 # Author   : Gaston Gonzalez
 # Date     : 6 November 2024
-# Updated  : 25 March 2025
+# Updated  : 16 March 2026
 # Purpose  : Configures the system for a specific mode of operation
 
 # Use a simple text file to save the state of the last mode selected
@@ -23,6 +23,7 @@ MODE_ID_WINLINK_ARDOP="winlink-ardop"
 MODE_ID_WINLINK_PACKET="winlink-packet" 
 MODE_ID_WINLINK_VARA_HF="winlink-vara-hf" 
 MODE_ID_WINLINK_VARA_FM="winlink-vara-fm" 
+MODE_ID_TIME_WWV="time-wwv" 
 
 # Default to 1200 baud packet for terminal sessions
 TERM_MODE=1200
@@ -128,6 +129,11 @@ select_term_mode () {
   fi  
 }
 
+wwv_mode () {
+    dialog --title "Note on WWV" --msgbox "Manually set your radio to AM and tune it to one of the WWV frequencies appropriate for this operating time.\n\nTry: 2.5, 5, 10, 15 or 20 MHz." 0 0
+    tput sgr 0 && clear
+}
+
 # Build list of options
 options=()
 options+=("${MODE_ID_NONE}" "No mode selected")
@@ -150,6 +156,8 @@ if [ -e "${HOME}/.wine32/drive_c/VARA/VARA.exe" ]; then
   options+=("${MODE_ID_WINLINK_VARA_HF}" "Winlink over HF (VARA HF)")
 fi
 
+options+=("${MODE_ID_TIME_WWV}" "Sync clock to WWV")
+
 # Prompt user for option and save exit status
 SELECTED_MODE=$(dialog --clear --menu "Select a mode:" 18 65 10 "${options[@]}" 3>&1 1>&2 2>&3)
 exit_status=$?
@@ -263,6 +271,10 @@ if [ $exit_status -eq 0 ]; then
       sleep 1
       min http://localhost:8080 2>/dev/null
     ;;
+    ${MODE_ID_TIME_WWV})
+      wwv_mode
+      sudo /opt/emcomm-tools/sbin/wrapper-et-wwv.sh
+    ;;
     *)
       et-log "Mode ${SELECTED_MODE} not yet supported"
       exit 1

overlay/opt/emcomm-tools/sbin/wrapper-et-wwv.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 16 April 2026
+# Purpose : Wrapper script for setting the system time using et-wwv
+#
+# Preconditions
+# 1. Supported radio and audio interface are connected and properly detected
+# 2. Radio is set to AM and a WWV frequency (2.5, 5, 10, 15, or 20 MHz)
+#
+# Postconditions
+# 1. System clock is aligned to the top-of-the-minute
+. /opt/emcomm-tools/bin/et-common
+
+exit_if_no_audio
+
+ALSA_DEVICE=$(/opt/emcomm-tools/bin/et-system-info et-audio-card)
+
+et-wwv -a --device "hw:${ALSA_DEVICE}"

scripts/install-base.sh

@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 16 March 2024
-# Updated : 28 February 2025
+# Updated : 16 April 2026
 # Purpose : Install base tools and configuration
 set -e
 
@@ -30,4 +30,5 @@ apt install \
   stow \
   xsel \
   tree \
+  tty-clock \
   -y

scripts/install-et-wwv.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 16 April 2026
+# Purpose : Install et-wwv
+set -e
+trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
+trap 'et-log "\"${last_command}\" command failed with exit code $?."' ERR
+
+. ./env.sh
+. ../overlay/opt/emcomm-tools/bin/et-common
+
+APP=et-wwv
+REPO=https://github.com/thetechprepper/et-wwv.git
+REPO_DIR="${ET_SRC_DIR}/${APP}"
+
+CWD_DIR=`pwd`
+
+if [[ ! -e "${REPO_DIR}" ]]; then
+  et-log "Cloning ${APP} repository..."
+  cd ${ET_SRC_DIR} && git clone ${REPO}
+fi 
+
+et-log "Building ${APP}..."
+cd ${REPO_DIR} && ./build.sh
+
+mkdir -p "/opt/${APP}/bin"
+cp build/et-wwv /opt/${APP}/bin/
+
+stow -v -d /opt ${APP} -t /usr/local
+
+cd ${CWD_DIR}

scripts/install.sh

@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 16 March 2024
-# Updated : 27 March 2026
+# Updated : 16 April 2026
 # Purpose : Main installer for EmComm Tools Community (ETC)
 
 . ./env.sh
@@ -112,3 +112,6 @@ exitIfNotRoot
 
 # Install WSJT-X (FT8)
 ./install-wsjtx.sh
+
+# Install simple WWV util
+./install-et-wwv.sh

tests/test-et-wwv.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Author   : Gaston Gonzalez
+# Date     : 16 April 2026
+# Purpose  : Test et-wwv installation
+
+OUT=$(which et-wwv)
+exit $?