Initial commit

COPYING.MIT

+Permission is hereby granted, free of charge, to any person obtaining a copy 
+of this software and associated documentation files (the "Software"), to deal 
+in the Software without restriction, including without limitation the rights 
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom the Software is 
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in 
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+THE SOFTWARE.

README

+This README file contains information on the contents of the meta-marfb layer.
+
+Please see the corresponding sections below for details.
+
+Dependencies
+============
+
+  URI: <first dependency>
+  branch: <branch name>
+
+  URI: <second dependency>
+  branch: <branch name>
+
+  .
+  .
+  .
+
+Patches
+=======
+
+Please submit any patches against the meta-marfb layer to the xxxx mailing list (xxxx@zzzz.org)
+and cc: the maintainer:
+
+Maintainer: XXX YYYYYY <xxx.yyyyyy@zzzzz.com>
+
+Table of Contents
+=================
+
+  I. Adding the meta-marfb layer to your build
+ II. Misc
+
+
+I. Adding the meta-marfb layer to your build
+=================================================
+
+Run 'bitbake-layers add-layer meta-marfb'
+
+II. Misc
+========
+
+--- replace with specific information about the meta-marfb layer ---

conf/distro/marfb.conf

+DISTRO = "marfb"
+DISTRO_NAME = "MAR Autonomous Rover Fastboot Linux System (MARS by University of Southampton)"
+DISTRO_VERSION = "0.0.5"
+
+MAINTAINER = "Qiyang Sun <qs2g22@soton.ac.uk>"
+
+LOCALCONF_VERSION = "1"
+
+PACKAGE_CLASSES ?= "package_deb"
+
+DISTRO_FEATURES = "acl ipv4 kbd multiarch pci polkit usbhost usrmerge vfat wifi xattr zeroconf"
+
+EXTRA_RDEPENDS = "packagegroup-core-boot"
+EXTRA_RRECOMMENDS = "kernel-module-af-packet"
+
+# use sysvinit instead of systemd
+INIT_MANAGER ?= "sysvinit"
+
+# https://meta-raspberrypi.readthedocs.io/en/latest/extra-build-config.html
+
+# enable uart
+ENABLE_UART = "1"
+
+# disable gpu splash screen
+DISABLE_SPLASH = "1"
+
+# do not delay to wait for sd card ready
+BOOT_DELAY = "0"
+BOOT_DELAY_MS = "0"
+
+# enable support for the video camera (Linux 3.12.4+ required)
+VIDEO_CAMERA = "1"
+
+DISABLE_RPI_BOOT_LOGO = "1"
+
+#ENABLE_DWC2_PERIPHERAL = "1"
+
+DISABLE_VC4GRAPHICS = "1"
+
+#RPI_KERNEL_DEVICETREE_OVERLAYS:append = " overlays/uart0.dtbo"
+RPI_KERNEL_DEVICETREE_OVERLAYS:append = " overlays/uart1.dtbo"
+
+#RASPBERRYPI_CAMERA_V2 = "1"
+#RASPBERRYPI_CAMERA_V3 = "1"

conf/layer.conf

+# We have a conf and classes directory, add to BBPATH
+BBPATH .= ":${LAYERDIR}"
+
+# We have recipes-* directories, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "meta-marfb"
+BBFILE_PATTERN_meta-marfb = "^${LAYERDIR}/"
+BBFILE_PRIORITY_meta-marfb = "9"
+
+LAYERDEPENDS_meta-marfb = "core"
+LAYERSERIES_COMPAT_meta-marfb = "scarthgap"
+
+IMAGE_INSTALL += " mar-image-minimal"

recipes-bsp/bootfiles/rpi-cmdline.bbappend

+# enable early console
+# https://www.raspberrypi.com/documentation/computers/configuration.html#enabling-early-console-for-linux
+
+CMDLINE:append = " modules.load=dwc2,g_serial"
+CMDLINE:append = " earlycon=uart8250,mmio32,0x20215040"
+#CMDLINE:append = " earlycon=pl011,mmio32,0x20201000"
+

recipes-bsp/bootfiles/rpi-config_%.bbappend

+do_deploy:append() {
+    echo "dtoverlay=uart1" >> $CONFIG
+    echo "dtoverlay=dwc2" >> $CONFIG
+#    echo "dtoverlay=uart0" >> $CONFIG
+}
+
+

recipes-core/base-files/base-files_%.bbappend

+hostname = "marlinux"
+

recipes-core/images/mar-image-minimal.bb

+SUMMARY = "A small image just capable of allowing a device to boot."
+
+IMAGE_INSTALL = "packagegroup-core-boot \
+    packagegroup-base-extended \
+    zeromq \
+    python3 \
+    python3-pyzmq \
+    python3-pyserial \
+    connman \
+    connman-client \
+    screen \
+    serial-usb \
+    usb-modeswitch \
+    serial-usb \
+    ${CORE_IMAGE_EXTRA_INSTALL}"
+
+COMPATIBLE_MACHINE = "^rpi$"
+
+LICENSE = "MIT"
+
+inherit core-image
+
+IMAGE_ROOTFS_SIZE ?= "8192"
+

recipes-core/serial-usb/files/serial-getty-init

+#!/bin/sh
+#
+# serial-getty   Start the serial-getty@ttyGS0 service
+#
+# chkconfig: 2345 20 80
+# description: Enable and start serial-getty@ttyGS0 service at boot
+
+. /etc/init.d/functions
+
+LOG_TAG="serial-getty-init"
+
+log_to_kernel() {
+    echo "<4>serial-getty-init: $1" > /dev/kmsg
+    #logger -t $LOG_TAG "Starting serial-getty@ttyGS0 service"
+}
+
+case "$1" in
+    start)
+	log_to_kernel "Starting serial-getty@ttyGS0 service"
+        #/sbin/start-stop-daemon --start --exec /sbin/getty -- -L ttyGS0 115200 vt100
+	#log_to_kernel "Started serial-getty@ttyGS0, return value is $?"
+        #su root -c "getty -L 115200 /dev/ttyGS0 vt100"
+	#log_to_kernel "Direct getty return value is $?"
+	echo "T0:23:respawn:/sbin/getty -L ttyGS0 115200 vt100" >> /etc/inittab
+	log_to_kernel "edit inittab value is $?"
+	init q
+	log_to_kernel "init reload value is $?"
+	ls -la /dev/tty* 1>&2 
+	ls -la /dev/tty* 2>&1 
+	;;
+    stop)
+	log_to_kernel "Stopping serial-getty@ttyGS0 service"
+        /sbin/start-stop-daemon --stop --exec /sbin/getty -- -L ttyGS0 115200 vt100
+	log_to_kernel "Stopped serial-getty@ttyGS0, return value is $?"
+        ;;
+    restart)
+        $0 stop
+        $0 start
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|restart}"
+	log_to_kernel "Usage: $0 {start|stop|restart}"
+        exit 1
+        ;;
+esac
+
+exit 0
+

recipes-core/serial-usb/serial-usb.bb

+SUMMARY = "Enable and start serial-getty@ttyGS0 service"
+LICENSE = "CLOSED"
+
+SRC_URI = "file://serial-getty-init"
+
+S = "${WORKDIR}"
+
+inherit update-rc.d
+
+INITSCRIPT_NAME = "serial-getty"
+INITSCRIPT_PARAMS = "defaults"
+
+do_install() {
+    install -d ${D}${sysconfdir}/init.d
+    install -m 0755 ${WORKDIR}/serial-getty-init ${D}${sysconfdir}/init.d/serial-getty
+}
+
+FILES:${PN} = "${sysconfdir}/init.d"
+

recipes-example/example/example_0.1.bb

+SUMMARY = "bitbake-layers recipe"
+DESCRIPTION = "Recipe created by bitbake-layers"
+LICENSE = "MIT"
+
+python do_display_banner() {
+    bb.plain("***********************************************");
+    bb.plain("*                                             *");
+    bb.plain("*  Example recipe created by bitbake-layers   *");
+    bb.plain("*                                             *");
+    bb.plain("***********************************************");
+}
+
+addtask display_banner before do_build

recipes-kernel/linux/linux-yocto-custom/linux-yocto-custom.bb

+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+SRC_URI += "file://myconfig.cfg"
+
+do_configure_prepend() {
+    cat ${WORKDIR}/myconfig.cfg >> ${B}/.config
+    yes '' | make oldconfig
+}
+
+do_clean() {
+    kernel_do_clean
+    rm -f ${B}/.config
+    rm -rf ${B}/modules
+}

recipes-kernel/linux/linux-yocto-custom/myconfig.cfg

+CONFIG_IPV6=n
+
+CONFIG_USB_SERIAL_CONSOLE=y
+CONFIG_USB_SERIAL_GENERIC=y
+CONFIG_USB_G_SERIAL=y
+CONFIG_USB_SERIAL=y
+
+
+# Disable bluetooth, copied from diff of menuconfig
+
+CONFIG_BT=n
+CONFIG_BT_BREDR=n
+CONFIG_BT_RFCOMM=n
+CONFIG_BT_RFCOMM_TTY=n
+CONFIG_BT_BNEP=n
+CONFIG_BT_BNEP_MC_FILTER=n
+CONFIG_BT_BNEP_PROTO_FILTER=n
+CONFIG_BT_HIDP=n
+CONFIG_BT_HS=n
+CONFIG_BT_LE=n
+CONFIG_BT_LE_L2CAP_ECRED=n
+CONFIG_BT_6LOWPAN=n
+CONFIG_BT_LEDS=n
+CONFIG_BT_MSFTEXT=n
+CONFIG_BT_AOSPEXT=n
+CONFIG_BT_DEBUGFS=n
+CONFIG_BT_SELFTEST=n
+CONFIG_BT_FEATURE_DEBUG=n
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_INTEL=n
+CONFIG_BT_BCM=n
+CONFIG_BT_RTL=n
+CONFIG_BT_HCIBTUSB=n
+CONFIG_BT_HCIBTUSB_AUTOSUSPEND=n
+CONFIG_BT_HCIBTUSB_POLL_SYNC=n
+CONFIG_BT_HCIBTUSB_BCM=n
+CONFIG_BT_HCIBTUSB_MTK=n
+CONFIG_BT_HCIBTUSB_RTL=n
+CONFIG_BT_HCIBTSDIO=n
+CONFIG_BT_HCIUART=n
+CONFIG_BT_HCIUART_SERDEV=n
+CONFIG_BT_HCIUART_H4=n
+CONFIG_BT_HCIUART_NOKIA=n
+CONFIG_BT_HCIUART_BCSP=n
+CONFIG_BT_HCIUART_ATH3K=n
+CONFIG_BT_HCIUART_LL=n
+CONFIG_BT_HCIUART_3WIRE=n
+CONFIG_BT_HCIUART_INTEL=n
+CONFIG_BT_HCIUART_BCM=n
+CONFIG_BT_HCIUART_RTL=n
+CONFIG_BT_HCIUART_QCA=n
+CONFIG_BT_HCIUART_AG6XX=n
+CONFIG_BT_HCIUART_MRVL=n
+CONFIG_BT_HCIBCM203X=n
+CONFIG_BT_HCIBPA10X=n
+CONFIG_BT_HCIBFUSB=n
+CONFIG_BT_HCIVHCI=n
+CONFIG_BT_MRVL=n
+CONFIG_BT_MRVL_SDIO=n
+CONFIG_BT_ATH3K=n
+CONFIG_BT_MTKSDIO=n
+CONFIG_BT_MTKUART=n
+CONFIG_BT_NXPUART=n
+# end of Bluetooth device drivers

recipes-kernel/linux/linux-yocto_%.bbappend

+FILESEXTRAPATHS:prepend := "${THISDIR}/linux-yocto-custom:"
+SRC_URI:append = " file://myconfig.cfg"
+