{
puts("stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size>");
puts("stlinkv2 command line: ./flash {read|write} path addr <size>");
{
puts("stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size>");
puts("stlinkv2 command line: ./flash {read|write} path addr <size>");