Import("env") env.AddPostAction( "$BUILD_DIR/firmware.hex", env.VerboseAction(" ".join([ "sed", "-i.bak", "s/:10040000FFFFFFFFFFFFFFFFFFFFFFFFDEF9FFFF23/:10040000FFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFD/", "$BUILD_DIR/firmware.hex" ]), "Fixing $BUILD_DIR/firmware.hex secure flash flags")) env.AddPreAction( "upload", env.VerboseAction(" ".join([ "echo", "'h\\nloadfile $BUILD_DIR/firmware.hex\\nr\\nq\\n'", ">$BUILD_DIR/aux.jlink" ]), "Creating auxiliary files")) env.Replace( UPLOADHEXCMD= 'JLinkExe -device MK20DX256xxx7 -speed 4000 -if swd -autoconnect 1 -CommanderScript $BUILD_DIR/aux.jlink -SkipProgOnCRCMatch = 1 -VerifyDownload = 1' )