CN / EN
CN / EN

Ask a New Question

Get Supports

If you need one-on-one support for confidential technical issues with your project, please click on "Contact Us" below.

用GR551x_SDK_V1.6.12例程里面的I2C通信问题 GR551x

137***387

2022-04-11 11:44

用GR551x_SDK_V1.6.12例程里面的I2C,然后用逻辑分析仪抓数据,发现只发了地址没有发数据

如下图:


0 Favorites

0 Likes

1 Answers

Barton

2022-04-11 13:56

你好,

1、这个是读取外部IIC模块的例程,请问是否有在相应IO上连接IIC器件呢(如adxl345)?

2、看波形,slave地址是全0,总线上没有ACK,这个地方也需要检查下;

0 Comments

0 Likes

0 Favorites

Your comment

You can answer questions after logging in, please or register

Your Voice Matters
Contact Sales

Scan to follow

Open WeChat, use "Scan" to follow.