started working on automatically downloading cape code
diff --git a/aos/build/download_externals.sh b/aos/build/download_externals.sh
index adc0297..e50ff56 100755
--- a/aos/build/download_externals.sh
+++ b/aos/build/download_externals.sh
@@ -165,4 +165,12 @@
--prefix=$(readlink -f ${LIBCDD_PREFIX}) \
&& make gmpdir=${GMP_PREFIX} && make install"
+# download stm32flash
+STM32FLASH_COMMIT=8399fbe1baf2b7d097746786458021d92895d71b
+STM32FLASH_DIR=${EXTERNALS}/stm32flash-${STM32FLASH_COMMIT}
+STM32FLASH_URL=https://git.gitorious.org/stm32flash/stm32flash.git
+[ -d ${STM32FLASH_DIR} ] || ( mkdir ${STM32FLASH_DIR} && \
+ git clone ${STM32FLASH_URL} ${STM32FLASH_DIR}/stm32flash && \
+ cd ${STM32FLASH_DIR}/stm32flash && git checkout ${STM32FLASH_COMMIT} )
+
rm -rf ${TMPDIR}