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by Madmanguruman
Wed Apr 30, 2025 2:27 pm
Forum: ESP-IDF
Topic: ESP-IDF 5.4.x I2C Master - SMBus/PMBus block-read
Replies: 1
Views: 1147

ESP-IDF 5.4.x I2C Master - SMBus/PMBus block-read

Hi everyone,

I've been trying to figure out how to implement a PMBus/SMBus-compatible block read using the i2c_master_execute_defined_operations API without creating multiple transactions.

The block-read can be either a write-restart-read or read-only transaction.

The first byte returned from the ...

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