chip_nand_scripts_common

#!/bin/bash

export PATH="$SCRIPTDIR/tools/bin:$SCRIPTDIR/tools/sbin:$SCRIPTDIR/tools/usr/bin:$SCRIPTDIR/tools/usr/sbin:$PATH"

TIMEOUT=15

#------------------------------------------------------------
wait_for_fastboot() {
  echo -n "waiting for fastboot...";
  for ((i=$TIMEOUT; i>0; i--)) {
    if [[ ! -z "$(fastboot -i 0x1f3a $@ devices)" ]]; then
      echo "OK";
      return 0;
    fi
    echo -n ".";
    sleep 1
  }

  echo "TIMEOUT";
  exit 1
}

#------------------------------------------------------------
wait_for_fel() {
  echo -n "waiting for fel...";
  for ((i=$TIMEOUT; i>0; i--)) {
    if ${FEL} $@ ver 2>/dev/null >/dev/null; then
      echo "OK"
      return 0;
    fi
    echo -n ".";
    sleep 1
  }

  echo "TIMEOUT";
  exit 1
}

#------------------------------------------------------------
file_exists_or_quit() {
  if [[ ! -f "$1" ]]; then
    echo -e "\nERROR: file $1 does not exists\n\n"
    exit 1
  fi
}

#------------------------------------------------------------
require_fel() {
  FEL=$(which sunxi-fel)
  FEL=${FEL:-$(which fel)}
  if [[ -z "$FEL" ]]; then
    echo "ERROR: cannot find sunxi fel or fel - please install sunxi-tools"
    exit 1
  fi

  export FEL
  alias fel="${FEL}"
}

#------------------------------------------------------------
require() {
  if [[ -z "$1" ]]; then
    echo -e "\nusage: require EXECUTABLE\n\n"
  fi

  if [[ "$1" == "fel" ]] || [[ "$1" == "sunxi-fel" ]]; then
    require_fel
    return
  fi

  path_to_executable=$(which $1) 

  if [[ -z "${path_to_executable}" ]]; then
    echo -e "\nERROR: cannot find $1 in PATH\n"

    if [[ ! -z "$2" ]]; then
      echo -e "$2\n"
    fi

    exit 1
  fi
}

#------------------------------------------------------------
onMac() {
  if [ "$(uname)" == "Darwin" ]; then
    return 0;
  else
    return 1;
  fi
}

#------------------------------------------------------------
filesize() {
  if onMac; then
    stat -f "%z" $1
  else
    stat --printf="%s" $1
  fi
}

#------------------------------------------------------------
read_nand_config() {
  local CONFIGFILE=$1

  if [[ -z "$SCRIPTDIR" ]]; then
      local SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
  fi

  if [[ ! -f "${CONFIGFILE}" ]]; then
    CONFIGFILE="$SCRIPTDIR/$1"
  fi

  if [[ ! -f "${CONFIGFILE}" ]]; then
    CONFIGFILE="$SCRIPTDIR/nand_configs/$1"
  fi

  if [[ -f "${CONFIGFILE}" ]]; then
    echo "Reading ${CONFIGFILE}"
    source "${CONFIGFILE}"
    export NAND_EBSIZE=`printf %x $NAND_ERASE_BLOCK_SIZE`
    export NAND_PSIZE=`printf %x $NAND_PAGE_SIZE`
    export NAND_OSIZE=`printf %x $NAND_OOB_SIZE`
    export NAND_TYPE
    export NAND_MAXLEB_COUNT
    export NAND_SUBPAGE_SIZE
    export NAND_ERASE_BLOCK_SIZE
    export NAND_PAGE_SIZE
    export NAND_OOB_SIZE
  else
    echo -e "ERROR: cannot find NAND configuration \"$1\"."
    exit 1
  fi;
}