Quick flash latest linux4sam-poky-sama5d4_xplained via sam-ba 2.16

sama5d4-xplained-ultra.sh

#!/bin/bash

##
# Helper functions
##

pkg_check ()
{
  echo "Checking for $1:"
  PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $1|grep "install ok installed")
  if [ "" == "$PKG_OK" ]; then
    echo "  ... found."
    return 0
  fi
  return 1
}

pkg_install ()
{
  echo "$1 not found. Setting up $1."
  sudo apt-get --force-yes --yes install $1
}

pkg_ensure ()
{
  if pkg_check "$1"; then
    pkg_install "$1"
  fi
}

##
# Install pre-requisites
##

pkg_ensure "picocom"
pkg_ensure "curl"
pkg_ensure "screen"

##
# Setup workspace
##

WORKSPACE="sama5d4-explained-ultra"
SAMBA_DIR=sam-ba_cdc_linux
SAMBA_PATH=~/$SAMBA_DIR
SRC_DIR=linux4sam-poky-sama5d4_xplained-5.5

if [ ! -d "$WORKSPACE" ]; then
  echo "Creating workspace: $WORKSPACE"
  mkdir "$WORKSPACE"
fi

echo "Using workspace: $WORKSPACE"
cd "$WORKSPACE"

# Download resources

if [ ! -f "sam-ba_2.16_linux.zip" ]; then
  curl -o sam-ba_2.16_linux.zip https://dl.dropboxusercontent.com/u/3944881/sw/sam-ba_2.16_linux.zip
fi

if [ ! -f "linux4sam-poky-sama5d4_xplained-5.5.zip" ]; then
  curl -o linux4sam-poky-sama5d4_xplained-5.5.zip ftp://www.at91.com/pub/demo/linux4sam_5.5/linux4sam-poky-sama5d4_xplained-5.5.zip
fi

# Setup sam-ba
if [ ! -d $SAMBA_PATH ]; then
  echo "Couldn't find $SAMBA_PATH: setting up"
  unzip sam-ba_2.16_linux.zip
  cp -R ./$SAMBA_DIR $SAMBA_PATH
  echo "export PATH=$SAMBA_PATH:$PATH" | tee -a ~/.bashrc
fi

echo "Using sam-ba at $SAMBA_PATH"
export PATH=$SAMBA_PATH:$PATH

# Setup source dir
if [ ! -d $SRC_DIR ]; then
  echo "Couldn't find $SRC_DIR: setting up"
  unzip linux4sam-poky-sama5d4_xplained-5.5.zip
  # Tell sources to use sam-ba_64 instead of sam-ba
  echo "Patching demo_linux_nandflash.sh to use sam-ba_64"
  sed -i -e 's/sam-ba/sam-ba_64/g' ./$SRC_DIR/demo_linux_nandflash.sh
fi

if [ ! -f ".screenrc" ]; then
  cat >./.screenrc <<EOL
screen
title "picocom"
stuff "picocom -b 115200 /dev/ttyUSB0\n"
split
focus down
chdir linux4sam-poky-sama5d4_xplained-5.5
screen -t "window" bash -ic 'PATH=~/sam-ba_cdc_linux:$PATH bash'
title "nandflash"
exec echo "Run ./demo_linux_nandflash.sh when ready.\n"
EOL
fi

# Run screen
screen -c .screenrc

# Running sam-ba_64
# echo "Running sam-ba_64 via demo_linux_nandflash.sh:"
# echo ""
# cd $SRC_DIR
# ./demo_linux_nandflash.sh