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by klajsd2
Sat Feb 03, 2024 3:38 pm
Forum: Hardware
Topic: I'd like to confirm the behaviour of i2c on esp32-s3
Replies: 1
Views: 1113

I'd like to confirm the behaviour of i2c on esp32-s3

Hi,
I have 2 ESP devices communicating together with i2c.
The master is a ESP32
Slave is a esp32-s3 with address 0x28

The master periodically issues a read to get 4 bytes from the slave. When there is no data in the queue of the slave (the s3), I get the following:

START, 51h, ACK, 51h, ACK, FFh ...

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