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- Fri Apr 19, 2024 1:08 pm
- Forum: ESP-IDF
- Topic: ESP32 Modbus RTU broadcast is not supported if it is
- Replies: 0
- Views: 306
ESP32 Modbus RTU broadcast is not supported if it is
I'm porting an application to the ESP32 platform and the application uses ModBus RTU broadcasts (sending writing commands to slave address 0). I am not using the CID approach but use mbc_master_send_request() directly. If the first command sent is a broadcast (slave addrss == 0) the ESP-IDF modbus i...