Search found 12 matches

by saif_iot
Wed Dec 08, 2021 4:56 pm
Forum: ESP-IDF
Topic: Ho know the registers address's ?
Replies: 1
Views: 2622

Ho know the registers address's ?

Hi, Someone contribute to the SDK (IDF) on 2017 to provide an API to get the hardware revision from the registers, to do this he get the base address from the datasheet (PDF), and he point to offset 0x7C. My question how he know this offset? did there is an additional non-public datasheet that have ...
by saif_iot
Mon May 11, 2020 3:44 pm
Forum: ESP-IDF
Topic: Using BLE 4.2 and DLE
Replies: 1
Views: 4163

Re: Using BLE 4.2 and DLE

May 2020 and we still searching.
by saif_iot
Fri May 08, 2020 2:03 pm
Forum: ESP-IDF
Topic: how can nvs be cleared while flash, or on pc terminal
Replies: 2
Views: 7716

Re: how can nvs be cleared while flash, or on pc terminal

I think just ereasing the flash will clear everything include NVS.

ESP32: idf.py -p "PORT_NUMBER" erase_flash
ESP8266: make erase_flash ESPPORT="PORT_NUMBER"
by saif_iot
Fri May 08, 2020 11:12 am
Forum: ESP-IDF
Topic: ESP32 Bluetooth - How to remember the last device?
Replies: 2
Views: 4107

Re: ESP32 Bluetooth - How to remember the last device?

I still searching.. no idea? :D
by saif_iot
Thu May 07, 2020 12:52 pm
Forum: ESP-IDF
Topic: ESP32 Bluetooth - How to remember the last device?
Replies: 2
Views: 4107

ESP32 Bluetooth - How to remember the last device?

Hello, I'm using ESP32 Classic Bluetooth based on this examples: https://github.com/espressif/esp-idf/tree/master/examples/bluetooth/bluedroid/classic_bt/bt_spp_acceptor I modified the code to Send/Receive data using serial (SPP), and allow only ONE Connection at a time, everything work fine. The ch...
by saif_iot
Tue May 05, 2020 7:32 pm
Forum: ESP-IDF
Topic: Can't start or initializing Bluetooth
Replies: 2
Views: 4062

Re: Can't start or initializing Bluetooth

I don't know why exactly.. but in my case it was a Linux permission issue. fixed after starting every thing from scratch using `sudo` permission for all steps.
by saif_iot
Tue May 05, 2020 4:11 pm
Forum: ESP-IDF
Topic: Can't start or initializing Bluetooth
Replies: 2
Views: 4062

Can't start or initializing Bluetooth

I really spend many days to figure out what is the problem. I can't just make any Bluetooth example run!. What I do: Just compile and flash different Classic Bluetooth/BLE examples (without any change). What I get: Always stack at Bluetooth controller initialization. esp_bt_controller_init() or esp_...
by saif_iot
Tue Mar 31, 2020 2:18 pm
Forum: General Discussion
Topic: Where is the official AT Firmware ?
Replies: 1
Views: 3707

Where is the official AT Firmware ?

Let's say we buy a new Espressif ESP32, and we download ESP-IDF SDK, and we flash the hello-world example. - Is that mean we overwritten the official Espressif firmware? - Is that mean our ESP32 no longer support AT command's because hello-world overwrite it ? - Is possible to flash the hello-world ...
by saif_iot
Tue Mar 31, 2020 2:07 pm
Forum: General Discussion
Topic: How to catch LWIP TCP/IP Events
Replies: 4
Views: 8035

Re: How to catch LWIP TCP/IP Events

Thank you Jollayc for those information, I will use CONFIG_LWIP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES to reduce losing socket connection's.