Yuqiang Wang
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README.md
RS485 Driver Usage Instructions
English | 中文
Introduction
This example demonstrates how to use an RS485 device on the EtherKit.
Hardware Overview
FSP Configuration
Open the FSP tool, create a new Stack, and select r_sci_uart5. The specific configuration details are as follows:
Example Project Description
The RS485 driver is initialized, and characters received from the RS485 serial terminal are printed to the Finsh terminal, while being echoed back to the RS485 terminal.
Build & Download
- RT-Thread Studio: Download the EtherKit resource pack from the RT-Thread Studio package manager, then create a new project and compile it.
- IAR: First, double-click
mklinks.batto generate links for thert-threadandlibrariesfolders. Then, use Env to generate the IAR project. Finally, double-clickproject.ewwto open the IAR project and compile it.
Once compiled, connect the development board’s JLink interface to the PC, and download the firmware to the development board.
Running Result
Run the rs485_sample command in the serial console, and open the RS485 serial terminal to view the received data:
