mc_test () {

local retry_flag="$2"
local retry=0
local mc_error=""

for (( retry; retry<10; retry+=1 )); do

  echo "call mc_test"
  mc_error=$(grep -w "ERROR" ~/minicom.log)

  if  [ -n "$mc_error" ] && [ -z "$retry_flag" ]; then
    break
  else
    echo "try again"
  fi

done

echo "retry_flasg=$retry_flag"
echo $mc_error

}


mc_test test_1 r
#mc_test