test:dfu: README file update
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
diff --git a/test/dfu/README b/test/dfu/README
index 4ea0b3b..5176aba 100644
--- a/test/dfu/README
+++ b/test/dfu/README
@@ -26,7 +26,12 @@
setenv dfu_alt_info dfu_test.bin fat 0 6\;dfudummy.bin fat 0 6
dfu 0 mmc 0
2. On the host:
- test/dfu/dfu_gadget_test.sh dfu_test.bin dfudummy.bin
+ test/dfu/dfu_gadget_test.sh X Y [test file name]
+ e.g. test/dfu/dfu_gadget_test.sh 0 1
+ or
+ e.g. test/dfu/dfu_gadget_test.sh 0 1 ./dat_960.img
-... where dfu_test.bin and dfudummy.bin are the names of the alt settings from
-$dfu_alt_info.
+... where X and Y are dfu_test.bin's and dfudummy.bin's alt setting numbers.
+They can be obtained from dfu-util -l or $dfu_alt_info.
+It is also possible to pass optional [test file name] to force the script to
+test one particular file.