Implemented configurable ncm gadget from /etc/default/usbgx

Author: MaxPayne86

recipes-devtools/android-tools/android-tools/arduino-android-gadget-setup

@@ -5,6 +5,8 @@ start()
     if [[ $(cat /sys/class/typec/port0/data_role) == "[device]" ]]; then
         echo "Creating Arduino usb gadgets..."
 
+        . /etc/default/usbgx
+
         PID=0061
         VID=2341
         BOARDNAME="Portenta X8"
@@ -35,7 +37,11 @@ start()
 
         # populate config, optional
         mkdir configs/c.1/strings/0x409
-        echo \"adb+acm\" > configs/c.1/strings/0x409/configuration
+        CFG_STRING="adb+acm"
+        if [[ $ENABLED_SCHEMAS="*ncm*" ]]; then
+            CFG_STRING="adb+acm+ncm"
+        fi
+        echo $CFG_STRING > configs/c.1/strings/0x409/configuration
         echo 900 > configs/c.1/MaxPower
 
         # create a generic ffs for adb
@@ -44,6 +50,14 @@ start()
         # create the acm (serial) function
         mkdir functions/acm.GS0
 
+        if [[ $ENABLED_SCHEMAS="*ncm*" ]]; then
+            # create the ncm function
+            mkdir functions/ncm.usb0
+
+            # assign ncm function to configuration
+            ln -s functions/ncm.usb0/ configs/c.1
+        fi
+
         # assign acm function to configuration
         ln -s functions/acm.GS0 configs/c.1
 

recipes-samples/images/lmp-devel-arduino-image.bb

@@ -55,6 +55,7 @@ ARDUINO = " \
     automount-boot \
     m4-proxy \
     udev-rules-portenta \
+    libusbgx-config \
 "
 
 VIDEOTOOLS = " \

recipes-samples/images/lmp-partner-arduino-image.bb

@@ -58,6 +58,7 @@ ARDUINO = " \
     arduino-ootb \
     m4-proxy \
     udev-rules-portenta \
+    libusbgx-config \
 "
 
 CORE_IMAGE_BASE_INSTALL += " \

recipes-support/arduino-ootb/arduino-ootb.bb

@@ -5,6 +5,7 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 SRC_URI = " \
     file://connection-status-led.timer \
     file://connection-status-led.service \
+    file://ncm-network.service \
     file://secure-device.service \
     file://create-docker-envfile.service \
     file://offline-update.service \
@@ -15,12 +16,13 @@ SRC_URI = " \
 
 inherit systemd
 
-SYSTEMD_SERVICE:${PN} = "connection-status-led.timer connection-status-led.service secure-device.service create-docker-envfile.service offline-update.service ec200a-eu.service compose-apps-aklite-offline-run.service"
+SYSTEMD_SERVICE:${PN} = "connection-status-led.timer connection-status-led.service ncm-network.service secure-device.service create-docker-envfile.service offline-update.service ec200a-eu.service compose-apps-aklite-offline-run.service"
 
 do_install() {
     install -d ${D}${systemd_system_unitdir}
     install -m 0644 ${WORKDIR}/connection-status-led.timer ${D}${systemd_system_unitdir}/
     install -m 0644 ${WORKDIR}/connection-status-led.service ${D}${systemd_system_unitdir}/
+    install -m 0644 ${WORKDIR}/ncm-network.service ${D}${systemd_system_unitdir}/
     install -m 0644 ${WORKDIR}/secure-device.service ${D}${systemd_system_unitdir}/
     install -m 0644 ${WORKDIR}/create-docker-envfile.service ${D}${systemd_system_unitdir}/
     install -m 0644 ${WORKDIR}/offline-update.service ${D}${systemd_system_unitdir}/

recipes-support/arduino-ootb/arduino-ootb/ncm-network.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Configure link-local connection on usb ncm interface
+BindsTo=sys-subsystem-net-devices-usb0.device
+After=android-tools-adbd.service sys-subsystem-net-devices-usb0.device
+
+[Service]
+Type=simple
+RemainAfterExit=yes
+ExecStart=/bin/sh -c '/usr/bin/nmcli c delete usbncm; /usr/bin/nmcli c add type ethernet ifname usb0 ipv4.method shared ipv4.addresses 10.11.99.1/29 ipv6.method disabled con-name usbncm && /usr/bin/nmcli c up usbncm'
+ExecStop=/bin/sh -c '/usr/bin/nmcli c down usbncm && /usr/bin/nmcli c delete usbncm'
+
+[Install]
+WantedBy=usb-gadget.target

recipes-support/libusbgx/libusbgx-config.bbappend

@@ -0,0 +1 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"

recipes-support/libusbgx/libusbgx-config/usbgx.default

@@ -0,0 +1,2 @@
+IMPORT_SCHEMAS="acm ffs"
+ENABLED_SCHEMAS="$IMPORT_SCHEMAS"