Search found 3 matches

by sdt991
Fri Jun 23, 2023 7:27 pm
Forum: ESP-IDF
Topic: Calling gpio_config() with intr_type = GPIO_INTR_HIGH/LOW_LEVEL causes reboot
Replies: 0
Views: 2377

Calling gpio_config() with intr_type = GPIO_INTR_HIGH/LOW_LEVEL causes reboot

ESP32S3, esp-idf-v5.0.1 - GPIO inputs with interrupts Calling gpio_config() with intr_type of GPIO_INTR_XXXEDGE or GFLAG_INPUT_CHANGING has worked fine for me, and the interrupt functions work as expected. However, after reading the ESP32 Errata section "The ESP32 GPIO peripheral may not trigger int...
by sdt991
Thu Jun 08, 2023 7:11 pm
Forum: ESP-IDF
Topic: ESP32 as I2C Slave. What is the response when master reads ?
Replies: 1
Views: 3717

Re: ESP32 as I2C Slave. What is the response when master reads ?

Although this is an old post I figured I'd update it in case anyone else stumbles upon it. I've been struggling with this for the past week (ESP IDF 5.0.1, ESP32-S3-WROOM-1-N8R2) and my conclusion is - When the i2c hardware transmit fifo (32 bytes) is empty the ESP32 transmits random(ish) garbage - ...
by sdt991
Tue Jun 06, 2023 9:18 pm
Forum: ESP-IDF
Topic: UART ISR in IRAM config?
Replies: 2
Views: 2616

Re: UART ISR in IRAM config?

It's just a warning that the caller of `uart_driver_install()` did not specify the `ESP_INTR_FLAG_IRAM` flag, while the ISR is placed into IRAM by the sdkconfig option `CONFIG_UART_ISR_IN_IRAM=y` https://github.com/espressif/esp-idf/blob/dc016f59877d13e6e7d4fc193aa5aa764547f16d/components/driver/uar...