--- hardware/arduino/sam/platform.txt.orig	2017-03-31 15:39:17 UTC
+++ hardware/arduino/sam/platform.txt
@@ -96,13 +96,13 @@ recipe.size.regex=\.text\s+([0-9]+).*
 # -------------------
 
 # BOSSA
-tools.bossac.path={runtime.tools.bossac.path}
+tools.bossac.path={runtime.tools.bossac.path}/bin
 tools.bossac.cmd=bossac
 tools.bossac.cmd.windows=bossac.exe
 
 tools.bossac.upload.params.verbose=-i -d
 tools.bossac.upload.params.quiet=
 tools.bossac.upload.params.verify=-v
-tools.bossac.upload.pattern="{path}/{cmd}" {upload.verbose} --port={serial.port.file} -U {upload.native_usb} -e -w {upload.verify} -b "{build.path}/{build.project_name}.bin" -R
+tools.bossac.upload.pattern="{path}/{cmd}" {upload.verbose} -a --port={serial.port.file} -U {upload.native_usb} -e -w {upload.verify} -b "{build.path}/{build.project_name}.bin" -R
 
-tools.bossac_remote.upload.pattern=/usr/bin/run-bossac {upload.verbose} --port=ttyATH0 -U {upload.native_usb} -e -w -v -b /tmp/sketch.bin -R
+tools.bossac_remote.upload.pattern=/usr/bin/run-bossac {upload.verbose} -a --port=ttyATH0 -U {upload.native_usb} -e -w -v -b /tmp/sketch.bin -R