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by abond_emporia
Mon Apr 06, 2026 3:14 pm
Forum: ESP-IDF
Topic: RTU Modbus bulk reads are not filling table
Replies: 0
Views: 26

RTU Modbus bulk reads are not filling table

Hi,

I'm trying to use `mbc_master_send_request` to read more than one holding register at a time. The function returns without error and the signals look good on a scope, but only the first register is correctly being populated. The code that reads the registers something like this:


#define MAX ...

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