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
Search found 7 matches
- Tue Jun 13, 2017 12:14 pm
- Forum: General Discussion
- Topic: esp32 UART support DMA or not?
- Replies: 1
- Views: 4083
- Tue Apr 25, 2017 12:08 pm
- Forum: General Discussion
- Topic: ESP32 I2C Timing Question
- Replies: 0
- Views: 2853
ESP32 I2C Timing Question
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. ESP32 HW ...
- Thu Apr 20, 2017 2:59 am
- Forum: ESP-IDF
- Topic: fail to compile esp-idf-v2.0 release on ubuntu linux env
- Replies: 3
- Views: 7541
Re: fail to compile esp-idf-v2.0 release on ubuntu linux env
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.
- Thu Apr 20, 2017 2:48 am
- Forum: ESP-IDF
- Topic: fail to compile esp-idf-v2.0 release on ubuntu linux env
- Replies: 3
- Views: 7541
fail to compile esp-idf-v2.0 release on ubuntu linux env
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 =========================================================...
- Thu Mar 16, 2017 5:36 am
- Forum: ESP-IDF
- Topic: Crash when configure GPIO9
- Replies: 7
- Views: 15377
Re: Crash when configure GPIO9
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 physical ...
- Thu Mar 16, 2017 3:01 am
- Forum: ESP-IDF
- Topic: Crash when configure GPIO9
- Replies: 7
- Views: 15377
Re: Crash when configure GPIO9
Thanks for quick reply. I do use ESPWROOM32 module now
- Thu Mar 16, 2017 1:42 am
- Forum: ESP-IDF
- Topic: Crash when configure GPIO9
- Replies: 7
- Views: 15377
Crash when configure GPIO9
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_conf.pin...