Update README.txt

2017-08-31 19:03:01 +08:00 · 2017-08-31 19:03:01 +08:00 · 84f0d9f988
parent 5b1235f5f5
commit 84f0d9f988
1 changed files with 4 additions and 2 deletions
--- a/bsp/samd21/README.txt
+++ b/bsp/samd21/README.txt
@ -1,3 +1,5 @@
 使用SAMD21-Xplained-Pro开发板
-scons:只支持scons --target=mdk5,其他命令没有支持
+scons:
+  scons
+  scons --target=mdk5
 demo代码演示了串口、外部中断、RTC低功耗唤醒