update AT_Firmware_and_SAL_Firmware_User_Guide document

2020-08-06 11:13:13 +08:00
parent 68911ee99c
commit 0812e9b697
2 changed files with 5 additions and 1 deletions
--- a/doc/27.AT_Firmware_and_SAL_Firmware_User_Guide.md
+++ b/doc/27.AT_Firmware_and_SAL_Firmware_User_Guide.md
@@ -64,7 +64,11 @@ SAL框架全称Socket Abstract Layer，提供了类似socket网络编程的抽

 ## 2.1. 整体架构

-<应该放一张整体架构图，待画...>
+
+
+![AT_SAL_architecture](./image/AT_Firmware/AT_SAL_architecture.png)
+
+

 ## 2.2. 实现原理

--- a/doc/image/AT_Firmware/AT_SAL_architecture.png
+++ b/doc/image/AT_Firmware/AT_SAL_architecture.png