I have tried the following but not success
gpio_deep_sleep_hold_en();
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
esp_deep_sleep_start();
Search found 3 matches
- Sat May 23, 2020 2:27 am
- Forum: Hardware
- Topic: SPI device not working after deep sleep wake up
- Replies: 4
- Views: 4421
- Sat May 23, 2020 2:24 am
- Forum: Hardware
- Topic: SPI device not working after deep sleep wake up
- Replies: 4
- Views: 4421
Re: SPI device not working after deep sleep wake up
after wake up I read registers and they contain wrong values
- Sat May 16, 2020 9:49 pm
- Forum: Hardware
- Topic: SPI device not working after deep sleep wake up
- Replies: 4
- Views: 4421
SPI device not working after deep sleep wake up
I have an SPI device that works fine all around. I use the SPI device's IRQ line to wake up the ESP32 from light sleep. To make this work I needed to keep the PERIPH domain on during light sleep, see below (light sleep cfg). However I can NOT get my SPI device work after deep sleep wake up. Basicall...