update ds18b20.c, add pin connected way

guowenxue

2021-11-03 fcfb88f7bb207b825c3f59a8a0859f1e9146420c

 3rdparty/cross/appweb/build.sh

@@ -219,6 +219,13 @@
    ls -l appweb-${BOARD}.tar.gz 
}


if [[ $# == 1 ]] && [[ $1 == "clean" ]] ; then 
   rm -rf appweb*
   rm -rf php*
   exit;
fi

export_cross

compile_php