【瑞萨RRH62000-EVK套件】+串口接口测试协议读取数据
瑞萨这款RRH62000套件可以通过串口或者I2C接口读取数据和操作。本次就利用USB转串口接传感器模块，通过串口助手来读取传感器数值和操作。串口主要接4线：5V，地线，TX和RX。下图这里2脚是接5V，5是TX,7是RX，13，14是地线。
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224332p0fyfo06ml6zqg0l.png)
还要注意一点，使用串口接口需短接2P的排针。
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224547x5b435olrlspyblx.png)
接好线后打开串口就可以收到传感器数据了。
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224640tkb47zo49jbrkn9a.png)
传感器串口数据帧格式：
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224802zpubsgtnkogwzdzy.png)
串口参数和接线参考如下。
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224737ok6bthia6thmt6aj.png)
我们也可以通过串口协议命令来控制传感器一些参数。控制命令格式如下。校验为和校验。
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224906n9tk6rbjxkxxxswz.png)
命令表如下：
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/224941sqiu6jbbqx40rikb.png)
实际测试串口命令：
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/225020jtrpqkrqclkswlbx.png)
!(https://www.eefocus.com/forum/data/attachment/forum/202412/08/225327zwkeknk1xlqwxdkc.png)
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