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Source: https://wiki.dfrobot.com/FireBeetle_ESP32_IOT_Microcontroller(V3.0)__Supports_Wi-Fi_&_Bluetooth__SKU__DFR0478

Change name esp8266 for esp32 in welcome message

* Update Parsing.cpp

When uploading TLS cert files the end of file "-----END CERTIFICATE-----" (or any kind of file with the sequence "CRLF--") is taken as posible end boundary. Then it is compared to the start boundary string. As it is expected, comparison turns to be false, and the whole end boundary string is put to _currentUpload->buf through _uploadWriteByte(). Here you have the problem: if you read boundary.length() bytes from HTTP request and you have some of the actual end boundary bytes in it, when you put all those bytes into _currentUpload->buf you are making a mistake. You will miss the actual end boundary string because some of those bytes were put in _currentUpload->buf.

* Update Parsing.cpp

The latest versions of Arduino IDE shifted the responsibility for precompiled libraries support to the core developers, which breaks precompiled library support in esp32 Arduino core. See https://github.com/arduino/ArduinoCore-avr/pull/52 for more details:

```
In this new version of the builder we are not doing any heuristics to find the right spot where the ldflags should be inserted (this was causing many bugs on its own); instead, we fully trust the core makers to add explicit support to precompiled libs.
```

This chage re-enables precompiled library support in the esp32 Arduino core.

SPIFFS causes crashes if you attempt to rmdir. Since there are no true directories in spiffs, this ought to be a noop. It looks like @me-no-dev worked around this by using unlink instead of rmdir, which works in fatfs and doesn't panic spiffs. This behavior is not universal. In order to get littlefs working, it would be good to get this back to conformity. Rather than digging deep into the upstream spiffs, I just check the mountpoint and noop if it is "/spiffs". So, if the user has changed the mountpoint, this will not work, but I think it's a pretty good tradeoff.

This value is uninitialised and as such can be a random (and invalid) value. It's needs to be set per the espressif documentation here:

https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/bluetooth/esp_gap_ble.html#_CPPv4N21esp_ble_scan_params_t14scan_duplicateE

This PR sets it to DUPLICATE_DISABLE. Chosen as this is needed to ensure all scan data is populated in the scan callback, per this comment in the IDF:

https://github.com/espressif/esp-idf/blob/master/components/bt/host/bluedroid/stack/btm/btm_ble_gap.c#L3591

"//if scan duplicate is enabled, the adv packet without scan response is allowed to report to higher layer"

We **don't** want it to report to the higher layer (ie BLEScan.cpp) **unless** it has the active scan response.

Seems to resolve #3770 #3677 and possibly others.

This commit fixes issue https://github.com/espressif/arduino-esp32/issues/3522 where WiFi service fails to start after a WiFi.disconnect(true) or a WiFi.mode(WIFI_OFF).

Successful exploitation could lead to arbitrary code execution.

The bug can be reproduced by running the following in a browser:
```
const formData = new FormData();
for (let i = 0;i < 33;++i) { formData.append("foo", i.toString()); }
await fetch("http://esp.local", { method: 'POST', body: formData });
```

Informed by the discussion in the bug and the code in 'that other branch'
the fix was clear.  Just set a flag if we start handling a write, and
use that flag to guard the long write complete call.

* Update CaptivePortal.ino

Illegal SSID used for SoftAP

* Fixed ordering problem.  Now actually works

SPIFFS File object evaluates as true even if the file could not be opened.

Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com>

Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com>

Co-authored-by: Mark Hale <mark.hale@physics.org>

Co-authored-by: lewis he <lewisxhe@outlook.com>

Co-authored-by: Ashwin <ashwin@circuitects.com>

Update in accordance with Firebeetle's official firebeetle32 pins_arduino.h. Without it, digital pins weren't definable, and analogue pins didnt line up.

Taken from http://download.dfrobot.top/FireBeetle/DFRobot_FireBeetle-ESP32-0.0.9.zip

Background

The current implementation of Update() uses the spi_flash_* api to write and read from flash. These functions ignore the partition->encrypted flag and always write raw data to flash even if the partition is marked as encrypted.

Changes in this PR

Update() now uses the esp_partition_* api.
Wrapper functions for esp_partition_* added to ESP.cpp. This was done to maintain a consistent approach to the way the spi_flash_* functions were used. I note though that not all of the esp-idf functions are used are wrapped, for example esp_ota_get_next_update_partition() so it may be that these should not be added?
The current implementation of Update() changes the first (magic) byte of firmware to 0xFF on write, and then when the firmware is completely written changes it back to ESP_IMAGE_HEADER_MAGIC. This works without erasing the sector because flash bits can be changed from 1->0 (but not 0->1). If the flash is encrypted then the actual data written to flash will not be all ones, so this approach will not work. In addition, encrypted flash must be written in 16 byte blocks. So, instead of changing the first byte the changed code stashes the first 16 bytes, and starts writing at the 17th byte, leaving the first 16 bytes as 0xFF. Then, in _enablePartition() the stashed bytes can be successfully written.
Benefits

Whilst it's not possible to use encrypted flash directly from either the Arduino IDE or PIO it's reasonably straightforward to compile and flash a bootloader with the necessary support from a simple esp-idf project and then use ArduinoOTA for subsequent updates. This PR enables the use of this workflow until such time as encrypted flash is supported, and is a first (small) step toward adding support.
Regardless of the above, the esp_partition_* api is recommended over the api_flash_* api.
Application code should mostly use these esp_partition_* API functions instead of lower level spi_flash_* API functions. Partition table API functions do bounds checking and calculate correct offsets in flash, based on data stored in a partition table.

* Fixes UART detach.  Fixes #3878

* 0 is not a good holder value for pins!

* 0 is not a good holder value for pins!

* Added new board variant for Imbrios LogSens V1.1

Imbrios LogSens V1.1 new board variant

* added new board Imbrios LogSens V1.1

Added new board details: Imbrios LogSens V1.1

By default the disconnect is broadcasted to every clients. So if you call disconnect on one connected client, they'll all be disconnected if we don't filter the event by conn_id.

* ESP.getChipModel() returns model of the chip

* ESP.getChipCores() returns the core count.

* Example gives chip model, revision and core count.

* Read efuse for chipmodel
Co-authored-by: Martijn Scheepers <ms@SDNengineering.nl>

Fixed bug where uartResizeRxBuffer() did not unlock mutex if creation of queue failed.

* Fix issue #3833, data parsing of Eddystone TLM data frame    
Add Beacon scanner example to show usage of BLEEddystoneTLM class and  BLEEddystoneURL class     
Add EddystoneTLM beacon example    
Add EddystoneURL beacon example

* Fix buffer size for .toString()

BUGFIX: avoids assertion in xEventGroupWaitBits()
(/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/freertos/event_groups.c:350 (xEventGroupWaitBits)- assert failed!)

Add support for the v1.8.6 compiler.libraries.ldflags:

https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5:-Library-specification

This fixes the issue reported here:

https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/BSEC-1-4-7-4-compilation-error-on-ESP32-1-0-3-rc1/td-p/9120