Search found 40 matches

by dhs2017
Wed Sep 05, 2018 9:08 am
Forum: General Discussion
Topic: keep variable after restart
Replies: 13
Views: 27754

Re: keep variable after restart

Hi WiFive, Yes, not power restart,but just software restart or restart cause by system crash. I have tried the following way, but it seems the value cannot be init to zero. It started with some value. I expected it start with 0 and then increment after each esp_restart(). Any example on how to use t...
by dhs2017
Wed Sep 05, 2018 5:39 am
Forum: General Discussion
Topic: keep variable after restart
Replies: 13
Views: 27754

keep variable after restart

There is a RTC_DATA_ATTR which can keep the variable after deepsleep wake up, is there any method to keep the variable after restart?
by dhs2017
Tue Aug 21, 2018 9:34 am
Forum: General Discussion
Topic: deep sleep current after wifi stop
Replies: 1
Views: 3128

deep sleep current after wifi stop

I tried to run a simple wifi program, init wifi ->then connect to router->wifi stop->deep sleep, the deep sleep current is around 1.x mA. However, if I don't run the wifi procedure, just start and then deep sleep, the current is around 5.x uA, is it normal? any procedure missing on the wifi routine ...
by dhs2017
Thu Jun 07, 2018 6:36 am
Forum: General Discussion
Topic: ESP32 as bluetooth 5 device provisioner
Replies: 1
Views: 3717

ESP32 as bluetooth 5 device provisioner

Hi, Is it possible to make a ESP32 as a bluetooth 5 device provisioner?
by dhs2017
Wed Dec 20, 2017 3:11 pm
Forum: General Discussion
Topic: BLE client search and AWS simultaneously
Replies: 0
Views: 2080

BLE client search and AWS simultaneously

hi, i found that when I perform BLE client search, AWS MQTT will disconnect, and after the ble client search finished, the mqtt will be re-connected again, is it normal?
by dhs2017
Sat Dec 02, 2017 3:52 am
Forum: General Discussion
Topic: Bluetooth Low Energy Mesh support?
Replies: 7
Views: 12545

Re: Bluetooth Low Energy Mesh support?

Many chip claims it support bluetooth mesh devlopment, but it seems there is no chip in the market that officially got bluetooth sig approval for supporting bluetooth 5 mesh yet?
by dhs2017
Fri Dec 01, 2017 4:26 pm
Forum: General Discussion
Topic: ESP32 webserver in soft AP mode
Replies: 2
Views: 6402

Re: ESP32 webserver in soft AP mode

Thank you very much!!
by dhs2017
Fri Dec 01, 2017 9:17 am
Forum: General Discussion
Topic: ESP32 webserver in soft AP mode
Replies: 2
Views: 6402

ESP32 webserver in soft AP mode

Hi, is there any example by using the ESP32 as a webserver in softAP mode? something like we connect to a router and then setup it with the webpage.
by dhs2017
Thu Nov 09, 2017 1:49 am
Forum: General Discussion
Topic: BluFi BLE document
Replies: 0
Views: 2404

BluFi BLE document

I want to write a custom app for BluFi, is there any document to describe the service & characteristic about the parameters such as ssid password and mode which the current blufi example is using?
by dhs2017
Wed Nov 08, 2017 12:58 am
Forum: General Discussion
Topic: Select which partition to boot
Replies: 2
Views: 5552

Re: Select which partition to boot

Hi The default bootloader has its own "logic": http://esp-idf.readthedocs.io/en/latest/api-guides/partition-tables.html but you can develop a custom bootloader, give a look to the source code for the default one: https://github.com/espressif/esp-idf/blob/master/components/bootloader/subproject/main...