求助硬件为8266,..用串口监视器能能看到READ发送出来了,但是没有收到返回回来的数据。我用另外的串口助手看,仪器是有返回数据的,仪器是一个温湿度传感器。就是返回的数据不能保存在ESP8266上。求助。
1. The IRAM_CACHE_ATTR is because you are using version 2.5.x of ESP8266, you should consider version 2.4.2 or patch the RFM library as for: https://lowpowerlab.com/forum/esp32-esp8266/isr-not-in-iram!/msg26926/#msg26926 I did recently upgrade the ESP8266 with version 2.5.2 and...
Hello, I'm using your lib on ESP32 Dev kit V1, I connect UART2 RX and TX pins to TFTDI serial converter that is connected to my PC and with PC I read Modbus data using Modbus Poll app. When I want to read Hreg with offset 1 using 03 func...