Hi :
I update esp idf to the latest version,do not see dma info in the components/driver/uart.c. so it means DMA not support officially?
If so , is there any suggestion of how to implement DMA on UART?
thanks

Hi
I need read 32KB/Second from a I2C slave device, I catch follow I2C wave from scope during I2C reading by ESP32
bad.jpg

Meanwhile I have an reference platform connecting the same I2C slave device, the wave is follow
good.jpg

The code base is esp-idf-v2.0, upgraded from esp-idf-v2.0-rc1 ...

Just try to download the v2.0 version by zip file download directly, the compile error is gone. So the code base download by my git command may be corrupted, or my git command is not right one.

hi
Yesterday I start to download new v2.0 release
=================================================================
git clone https://github.com/espressif/esp-idf.git esp-idf-v2.0
cd esp-idf-v2.0/
git checkout v2.0
git submodule update --init ...

Update:
I found follow info in web site. But not sure esp32 pdf include these info
=========================================================================================
http://esp-idf.readthedocs.io/en/latest/api/peripherals/gpio.html

GPIO & RTC GPIO
Overview
The ESP32 chip features 40 ...

Thanks for quick reply. I do use ESPWROOM32 module now

Hello
I am debugging ESP32 with voice control feature. GPIO9 is designed to control the reset pin of the sensor.
Code:
=================================================
#define RESET_GPIO 9
gpio_config_t io_conf;

io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
io_conf.mode = GPIO_MODE_OUTPUT;
io ...