Intel Edison HOWTO

Resources

Power on and Login

Empty password edison login: root

WiFi

vi /etc/wpa_supplicant/wpa_supplicant.conf  
systemctl restart wpa_supplicant

Или:

systemctl stop hostapd  
systemctl disable hostapd  
systemctl enable wpa_supplicant  
systemctl start wpa_supplicant  
wpa_cli reconfigure  
wpa_cli select_network wlan0  
udhcpc -i wlan0

From fab-lab.eu/edison

TFTP

Download
tftp -g -r

Upload
tftp -p -r

From: tftp download and upload command

Arduino board buttons and jumpers

Intel: community article: Buttons and Switch

Build Yocto

working git repo

Image

./device-software/setup.sh --dl_dir=/home/user/work/edison/bb_downloads/ \
--sstate_dir=/home/user/work/edison/bb_sstate/ --bb_number_thread=4 --parallel_make=4

source poky/oe-init-build-env

bitbake edison-image

../device-software/utils/flash/postBuild.sh

ls build/toFlash

SDK

source poky/oe-init-build-env  
bitbake edison-image -c populate_sdk  
ls tmp/deploy/sdk/

Populate SDK script:

poky/meta/classes/populate_sdk_base.bbclass

Environment settings:

source /opt/poky-edison/1.6.1/environment-setup-core2-32-poky-linux

Or just PATH, CROSS_COMPILE, ARCH and SYSROOT:

export ARCH=x68
export PATH=$PATH:/opt/poky-edison/1.6.1/sysroots/x86_64-pokysdk-linux/usr/bin/i586-poky-linux
export CROSS_COMPILE=i586-poky-linux-
export SYSROOT=/opt/poky-edison/1.6.1/sysroots/core2-32-poky-linux

${CROSS_COMPILE}gcc --sysroot=${SYSROOT}

Linux kernel

poky/meta/recipes-kernel/linux poky/meta-skeleton/recipes-kernel/linux poky/meta-yocto-bsp/recipes-kernel/linux

device-software/meta-edison/recipes-kernel/linux/

build/tmp/work/edison-poky-linux/linux-yocto/

bitbake virtual/kernel -c menuconfig

or bitbake linux-yocto -c menuconfig and then cp ./tmp/work/edison-poky-linux/linux-yocto/3.10.17+gitAUTOINC+6ad20f049a_c03195ed6e-r0/linux-edison-standard-build/.config
../device-software/meta-edison/recipes-kernel/linux/files/defconfig

bitbake linux-yocto -c deploy build/tmp/deploy/images/edison/bzImage build/tmp/deploy/images/edison/modules-edison.tgz

https://software.intel.com/en-us/blogs/2015/02/27/intel-edison-adding-kernel-modules-to-yocto-example-batman

../device-software/meta-edison/recipes-kernel/linux/files/defconfig

./tmp/work/edison-poky-linux/linux-yocto/defconfig ./tmp/work/edison-poky-linux/linux-yocto/3.10.17+gitAUTOINC+6ad20f049a_c03195ed6e-r0/linux/arch/x86/configs/i386_edison_defconfig

Нафиг дублировать defconfig в upstream_to_edison.patch ?

./tmp/work/edison-poky-linux/linux-yocto/3.10.17+gitAUTOINC+6ad20f049a_c03195ed6e-r0/linux-edison-standard-build/.config

do_kernel_configme do_configure CONFIG_LOCALVERSION poky/meta/classes/kernel-yocto.bbclass device-software/meta-edison/recipes-kernel/linux/linux-yocto_3.10.bbappend

do_menuconfig poky/meta/classes/cml1.bbclass

export LINUX_EDISON_BUILD_DIR="/home/dtest/edison/tmp/edison_manual_build/build/tmp/work/edison-poky-linux/linux-yocto/3.10.17-r0/linux-edison-standard-build/" make -C $LINUX_EDISON_BUILD_DIR M=pwd

U-boot

poky/meta/recipes-bsp/u-boot

device-software/meta-edison/recipes-bsp/u-boot

build/tmp/work/edison-poky-linux/u-boot

edit device-software/meta-edison/recipes-bsp/u-boot/u-boot-internal.inc
add u-boot_edison_config.patch

bitbake u-boot -c clean  
bitbake u-boot -c configure  
cd tmp/work/edison-poky-linux/u-boot/2014.04-1-r0/git  
git add .  
git commit -am 'upstream_to_edison.patch'  

edit include/configs/edison.h

git diff > ../../../../../../../device-software/meta-edison/recipes-bsp/u-boot/files/u-boot_edison_config.patch

uImage

Reflash, upgrade

Install dfu-util.

Run flashall.sh as root.

NFS

mount -t nfs -o nolock <host_ip>:<host_path>

add nfs-utils packet to image

device-software/meta-edison-distro/recipes-core/images/edison-image.bb
IMAGE_INSTALL += "nfs-utils"

nfsrootfs

TODO: u-boot usb-ethernet

sudo mount -t ext4 -o loop edison-src_15/build/toFlash/edison-image-edison.ext4 ./nfs/rootfs/

Arduino board ADC

ads7951 Connected to spi0, _CS is gpio110.

Start with libmraa.

GPIO

70-pin connector: Intel: Edison Compute Module Hardware Guide

Arduino board connector: Emutex Lab: Edison GPIO Pin Multiplexing Guide

Also start with libmraa.

drivers/hwmon/ads1015.c

insmod ./ads1015_adc.ko echo ads1015_adc 0x48 > /sys/bus/i2c/devices/i2c-1/new_device

echo 0x48 > /sys/bus/i2c/devices/i2c-1/delete_device rmmod ads1015_adc

agutikov/rbpoc