From e2f43d1fe749a5fe9263ac4a749b84962e5a98cb Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hugo@hugovil.com>
Date: Mon, 28 Oct 2024 18:10:59 -0400
Subject: [PATCH] Add hvmpd daemon and service

---
 .../images/include/image-hvmpd-common.inc     |   1 +
 .../hvmpd-manager/files/hvmpd.service         |  10 ++
 .../hvmpd-manager/files/hvmpd.sh              | 100 ++++++++++++++++++
 .../hvmpd-manager/hvmpd-manager.bb            |  31 ++++++
 4 files changed, 142 insertions(+)
 create mode 100644 recipes-multimedia/hvmpd-manager/files/hvmpd.service
 create mode 100644 recipes-multimedia/hvmpd-manager/files/hvmpd.sh
 create mode 100644 recipes-multimedia/hvmpd-manager/hvmpd-manager.bb

diff --git a/recipes-core/images/include/image-hvmpd-common.inc b/recipes-core/images/include/image-hvmpd-common.inc
index e9ade7a..d8390a0 100644
--- a/recipes-core/images/include/image-hvmpd-common.inc
+++ b/recipes-core/images/include/image-hvmpd-common.inc
@@ -26,6 +26,7 @@ IMAGE_INSTALL:append = " \
     mpc \
     ympd \
     shairport-sync \
+    hvmpd-manager \
 "
 
 # Needed by shairport-sync:
diff --git a/recipes-multimedia/hvmpd-manager/files/hvmpd.service b/recipes-multimedia/hvmpd-manager/files/hvmpd.service
new file mode 100644
index 0000000..ee3b41a
--- /dev/null
+++ b/recipes-multimedia/hvmpd-manager/files/hvmpd.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=HVMPD daemon
+After=network.target
+
+[Service]
+ExecStart=/usr/sbin/hvmpd.sh
+Restart=no
+
+[Install]
+WantedBy=multi-user.target
diff --git a/recipes-multimedia/hvmpd-manager/files/hvmpd.sh b/recipes-multimedia/hvmpd-manager/files/hvmpd.sh
new file mode 100644
index 0000000..daa427b
--- /dev/null
+++ b/recipes-multimedia/hvmpd-manager/files/hvmpd.sh
@@ -0,0 +1,100 @@
+#!/bin/sh
+
+. /usr/bin/hvutils.sh
+
+fill="                    "
+
+l1="HVMPD"
+l2=""
+l3=""
+l4=""
+
+# Previous line variables:
+l1p=""
+l2p=""
+l3p=""
+l4p=""
+
+led_on() {
+    cat /sys/class/leds/status/max_brightness > /sys/class/leds/status/brightness
+}
+
+led_off() {
+    echo 0 > /sys/class/leds/status/brightness
+}
+
+lcd_init
+
+while true; do
+    # Future bouton play/pause:
+    # mpc toggle -> pause/play/pause...
+
+    # mpc -f "<%name%> <%title%> <%album%>" current
+    current="$(mpc current)"
+    log_dbg "current = ${current}"
+
+    if [ "${current}" = "" ]; then
+	led_off
+        song=""
+        artist=""
+    else
+        led_on
+
+        # | awk '{$1=$1};1' --> trim spaces before and after
+
+        station="${current}"
+
+        if echo "${current}" | grep -q -e "http" ; then
+            station="${current}"
+        elif echo "${current}" | grep -q -e ":" ; then
+            station="$(echo ${current} | awk -F: '{print $1}' | awk '{$1=$1};1')"
+        fi
+
+        song="$(echo ${current} | awk -F: '{print $2}' | awk '{$1=$1};1')"
+
+        if [ "${station}" != "${station_prev}" -o \
+             "${song}" != "${song_prev}" ]; then
+
+            log_dbg "station = ${station}"
+
+            l1="${station}"
+
+            if [ "${song}" != "${station}" ]; then
+                log_dbg "song = ${song}"
+
+                if echo "${song}" | grep -q -e "---" ; then
+                    artist="$(echo ${song} | sed "s@\(^.*\)---.*@\1@")"
+                    song="$(echo ${song} | sed "s@^.*---\(.*\)@\1@")"
+                elif echo "${song}" | grep -q -e " - " ; then
+                    artist="$(echo ${song} | sed "s@\(^.*\) - .*@\1@")"
+                    song="$(echo ${song} | sed "s@^.* - \(.*\)@\1@")"
+                else
+                    artist=""
+                fi
+
+                log_dbg "artist = ${artist}"
+            fi
+        fi
+    fi
+
+    station_prev="${station}"
+    song_prev="${song}"
+    artist_prev="${artist}"
+
+    l1="${station}"
+
+    if [ "${artist}" != "" ]; then
+        l2="${artist}"
+        l4="${song}"
+    else
+        l2="${song}${fill}"
+        l4="$(printf "%.20s\n" "${l2:20}")"
+    fi
+
+    # Bug, écran défectueux ligne 3...
+    l3=""
+
+    lcd_update
+
+    sleep 1
+done
diff --git a/recipes-multimedia/hvmpd-manager/hvmpd-manager.bb b/recipes-multimedia/hvmpd-manager/hvmpd-manager.bb
new file mode 100644
index 0000000..49e1cb4
--- /dev/null
+++ b/recipes-multimedia/hvmpd-manager/hvmpd-manager.bb
@@ -0,0 +1,31 @@
+DESCRIPTION = "hvmpd daemon"
+SECTION = "multimedia"
+LICENSE = "GPL-2.0-only"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0-only;md5=801f80980d171dd6425610833a22dbe6"
+
+PV = "0.0.1"
+
+SRC_URI = "\
+    file://hvmpd.service \
+    file://hvmpd.sh \
+"
+
+RDEPENDS:${PN} += "bash hvutils"
+
+inherit systemd
+
+do_install() {
+        install -d ${D}${sbindir}
+        install -m 0755 ${WORKDIR}/hvmpd.sh ${D}${sbindir}
+
+        install -d ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/hvmpd.service ${D}${systemd_unitdir}/system
+}
+
+FILES:${PN} = " \
+    ${systemd_unitdir}/system/hvmpd.service \
+    ${sbindir}/hvmpd.sh \
+"
+
+SYSTEMD_AUTO_ENABLE = "enable"
+SYSTEMD_SERVICE:${PN} = "hvmpd.service"
-- 
2.20.1