Search found 3 matches

by collinm
Sat May 23, 2020 2:27 am
Forum: Hardware
Topic: SPI device not working after deep sleep wake up
Replies: 4
Views: 4273

Re: SPI device not working after deep sleep wake up

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();
by collinm
Sat May 23, 2020 2:24 am
Forum: Hardware
Topic: SPI device not working after deep sleep wake up
Replies: 4
Views: 4273

Re: SPI device not working after deep sleep wake up

after wake up I read registers and they contain wrong values
by collinm
Sat May 16, 2020 9:49 pm
Forum: Hardware
Topic: SPI device not working after deep sleep wake up
Replies: 4
Views: 4273

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...