ESP_alisitsyn,

Thank you! The Modbus library was for the LabVIEW side; the ESP stuff worked fine.

Hi ESP_alisitsyn, I've never replied, but the issue was resolved by using an appropriate Modbus handler. and library The original issue came from interfacing with a LabVIEW program, which (if I remember correctly) would poll the registers directly without using a Modbus interface (that is, just send...

Hi ESP_alisitsyn, Thank you for your answer! I was able to resolve this. My issues were that I was linking the wrong modbus_params.h file -- since I went off the serial slave example, the esp-modbus stuff was automatically copied over as a component into my project once I started changing it, but th...

Hi, I'm having issues with defining multiple separate Modbus holding register areas using the serial slave example. I get the following error: "MB_CONTROLLER_SLAVE: mbc_slave_set_descriptor(217): mb incorrect descriptor or already defined." Here is how I define the areas in the main app: #define MB_...

Hi @ESP_alisitsyn, Sorry for the late reply! The problem went away after the MB master code was configured to poll all the holding registers (the only registers used in the application) as needed; the problem was due to the fact master had to read and write to separate (holding) registers really fas...

Hi all, I'm working with this example with ESP-IDF V4.3.2: https://github.com/espressif/esp-idf/tree/master/examples/protocols/modbus/serial/mb_slave I have the Modbus slave running as one of my threads. When I interlace with a test program, I get the following: When I try to get my slave polled at ...

Hi all, I'm wondering if there is a graceful way to disconnect from an AP and then reconnect to it. In my code, I use the same event handler and wifi_init_sta, but since I might have to change between APs, I have put out some of the initialization functions in the app main: ESP_ERROR_CHECK(esp_netif...

Hi,

Were you able to resolve this issue or find out what causes it?

Thanks!

Update:

I was able to solve the issue by removing the driver from the registry and then reinstalling it again.

Hi all, Overview: I've recently ran ESP-IDF Tools 2.12 Online to update the tools and the toolchain and now I'm having issues with drivers and connecting to ESP32 boards, including ESP32 HUZZAH32 from Adafruit and ESP32-S2-DevKitM-1. Problems: Now, whenever I'm trying to flash any of the boards that...