Search found 2 matches

by schopra
Thu Dec 17, 2020 10:26 pm
Forum: General Discussion
Topic: I2C Fails when doing SPI FLASH
Replies: 1
Views: 2758

I2C Fails when doing SPI FLASH

Hi, I am using the ESP32-WROOM-32U with the latest esp-idf. I have I2C running constantly getting information from sensors. I also want to be able to log onto the ESP32 flash itself. When I do log onto the flash, sometimes it will mess up the I2C transaction and the I2C transaction returns ESP_FAIL....
by schopra
Thu Dec 17, 2020 9:04 pm
Forum: General Discussion
Topic: i2c randombly fails
Replies: 19
Views: 42139

Re: i2c randombly fails

Hi, I am encountering the same issue and wanted to know if there was a fix. When I do an SPI FLASH command while i2c is running, it causes an ESP_FAIL error on the i2c transaction. The scl pin is pulled low and then the sda pin as can be seen in the attached image. It does recover, but I wanted to k...