Hua Wei Yun 14 Tianhongmeng equipment development practice Learning notes

The first Two ： Quick start And Helloword And LED

One 、 Helloword

1. add to HelloWorld The source code file

     （1） newly added my-app Folder

                  First, drag the project folder into VsCode, Then view the directory on the left side of the open interface , stay ./applications/BearPi/BearPi-HM_Nano/sample Create a new one under the path my_app Catalog , Used to store business source code files

       （2） newly added hello_world.c Document and BUILD.gn file

stay ./application/BearPi/BearPi-HM_Nano/sample/my_app Create a new one under the path hello_world.c Document and BUILD.gn file , Compile scripts for business source code files and business source code respectively .

2. To write hello_world.c The source and BUILD.gn Of Source compilation script

3. Write and compile build files BUILD.gn

4. compile Hello World Program

Compile the complete ：

5. Burn program

6. View serial port data

Two 、 Lighten up LED

The procedure is similar to the above operation

The compilation and burning steps are the same as above , Press reset after burning ：

We can also add the following code implementation LED flashing ：

3、 ... and 、 Conclusion

For complete experimental resources, please refer to the links of official course resources , Welcome to sign up ： Hongmeng equipment development practice _ Online courses _ Huawei cloud developer school _ Cloud computing train - Hua Wei Yun (huaweicloud.com)