Add shell script to automatically build stmhal/ for all pyboards.

tools/build-stm-latest.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# check/get parameters
+if [ $# != 1 ]; then
+    echo "usage: $0 <dest-dir>"
+    exit 1
+fi
+
+dest_dir=$1
+
+# check we are in the correct directory
+if [ ! -r modpyb.c ]; then
+    echo "must be in stm directory"
+    exit 1
+fi
+
+# get the date
+date=$(date '+%Y-%m-%d')
+
+# get the git hash
+git_hash="$(git rev-parse --short HEAD 2> /dev/null || echo unknown)"
+
+# build the versions
+for board in PYBV3 PYBV10; do
+    echo $board
+    lower_board=$(echo $board | tr A-Z a-z)
+    build_dir=/tmp/stm-build-$lower_board
+    make -B BOARD=$board BUILD=$build_dir || exit 1
+    mv $build_dir/flash.dfu $dest_dir/$lower_board-$date-$git_hash.dfu
+    rm -rf $build_dir
+done