Preparation for Release 3.7.0

This issue is created to collect all the tasks we need to do before the 3.7.0 (originally this was set to 3.6.2 but the improvements are so much that it's worth dedicating a new version to it).

Source Code

[x] Update Sming/SmingCore/SmingCore.h #1519
[x] Update Readme.md #1519
[x] Merge develop into master
[x] Tag the source code in the master branch

New features

Added ElapsedTimer for easier benchmarking of operations #1442.
Allow the use of multiple DS18S20 sensors #1440.
HardwareSerial: expose internal uart object #1447
Experimental support for SDK 3.0 for rBoot apps. #1470
Added TM1637 7-segment led display library #1512

Improvements

Optimise HashMap to use pass-by-reference where possible. #1455
Remove m_print dependency on serial port. #1450
Improve uri escaping / unescaping #1457
More free heap due to moving constant data in flash #1438 #1459
Improvements to the String class and added support for binary strings #1437.
Better handling of min() and max() in C++ #1458 .
HttpHeaders #1461 #1463
HttpRequest improvements and move HttpParams into separate module #1498
Rewrite flashmem driver to cope with misaligned RAM buffers #1490
Upgrade serial port driver #1493
Simplified TCP timeouts #1499
Various improvements to NtpClient class #1482
Changes to FileStream class 3 #1510
Revise SplitString #1508
Revise IPAddress class #1507
Updated AxTLS with fixes related to CVE-2018-16150 and CVE-2018-16149 #1506
Streaming support for flash data
Enable more compiler checks #1505
Fixed Basic_WebSkeletonApp body parsing #1516

Refactoring

As per our poll results: Deprecate non-rBoot apps #1513
Stream classes #1488, #1496
Refactor TemplateFileStream class using TemplateStream #1500
Rename SimpleConcurrentQueue to ObjectQueue and simplify code. #1503
Refactored websocket client and server. #1514
Refactored http connections for better code reuse #1515

Deprecations

Hardware_Timer is deprecated. You should use HardwareTimer instead
HttpResponse::hasHeader() - this method is deprecated since quite some time and will be removed in the next version.

Breaking Changes

SystemClock::now() returns time_t instead of DateTime.

If you use Websocket functionality make sure to read the notes below.

Renamed Websocket related types, classes and methods. We used to have WebSocket and Websocket. From now on only Websocket will be used. Example WebsocketConnection::getActiveWebSockets is now WebsocketConnection::getActiveWebsockets.
WebsocketConnection Renamed the method making the binding to a http server socket to be called bind.
WebsocketClient All methods starting with setWebSocket are shortened to set. Example: setWebSocketMessageHandler is renamed to setMessageHandler.

All PRs scheduled for this release can be seen from here

I think it is high time to verify quickstart manual. It is very hard to start with Sming because of small mistakes in quickstart. Linux: First of all question which version of esp-open-sdk should be preferred. For now it is VENDOR_SDK=1.5.4 isn't it high time to switch to 2.0.0, especially because of known WiFi bugs? in Linux quickstart there are minor bugs, please verify if am I right: Set ENV Variables there should be export SMING_HOME=/opt/sming/Sming instead of export SMING_HOME=/opt/Sming/Sming In Get and Build Sming Core there is cd $SMING_HOME/../.. while on fresh system, before we use git clone ... there is no $SMING_HOME dir Cloning Sming. question if there should be sming/Sming or Sming/Sming dir. Maybe it could be good idea to use command git clone https://github.com/SmingHub/Sming.git sming Question about install esptool - it is already installed with esp-open-sdk. Should it be installed once again? Windows: choco install sming -y -force -source 'https://www.myget.org/F/sming/' worked. But I received a lot of errors

… ERROR … extraction failed … ERROR … probable package conflict; existing file not overwritten

so I am not sure if my install procedure didn’t failed - any solution? Just in case I use Linux version.

` Update With windows 7 and choco install there was problem with git, and finaly I received

C:\tools\sming\Sming>make make[1]: Entering directory /c/tools/sming/Sming' C+ system/m_printf.cpp make[1]: *** [out/build/system/m_printf.o] Error 1 make[1]: Leaving directory/c/tools/sming/Sming' make: *** [reload] Error 2

and cc1plus.exe stop working.

according to #15

C:\tools\sming\Sming>make V=1 if [ 1 -eq 1 ]; then \ make -C /c/tools/sming/Sming RELOAD_MKFILE=0; \ fi make[1]: Entering directory /c/tools/sming/Sming' if [ 0 -eq 1 ]; then \ make -C /c/tools/sming/Sming RELOAD_MKFILE=0; \ fi /c/Espressif/xtensa-lx106-elf/bin/xtensa-lx106-elf-g++ -Isystem -Isystem/helpers -IWiring -Iappinit -ISmingCore/ -ISmingCore/Data/ -ISmingCore/Data/Stream/ -ISmingCore/Network/ -IS mingCore/Network/Http/ -ISmingCore/Network/Http/Websocket/ -ISmingCore/Platform/ -IServices/CommandProcessing/ -IServices/DateTime/ -IServices/FATFS/ -IServices/HexDump/ -IServices /Profiling/ -IServices/SpifFS/ -IServices/WebHelpers/ -IServices/Yeelight/ -IServices/libb64/ -IServices/libemqtt/ -ILibraries/AM2321/ -ILibraries/APA102/ -ILibraries/Adafruit_BME2 80_Library/ -ILibraries/Adafruit_GFX/ -ILibraries/Adafruit_ILI9341/ -ILibraries/Adafruit_NeoPixel/ -ILibraries/Adafruit_PCD8544/ -ILibraries/Adafruit_SSD1306/ -ILibraries/Adafruit_ ST7735/ -ILibraries/Adafruit_Sensor/ -ILibraries/ArduCAM/ -ILibraries/ArduinoJson/ -ILibraries/BH1750FVI/ -ILibraries/BMP180/ -ILibraries/Bounce/ -ILibraries/CapacitiveSensor/ -ILi braries/DFRobotDFPlayerMini/ -ILibraries/DHTesp/ -ILibraries/DS18S20/ -ILibraries/DS3232RTC/ -ILibraries/HMC5883L/ -ILibraries/I2Cdev/ -ILibraries/IR/ -ILibraries/ITEADLIB_Arduino_ Nextion/ -ILibraries/LiquidCrystal/ -ILibraries/MCP23017/ -ILibraries/MCP23S17/ -ILibraries/MFRC522/ -ILibraries/MMA_7455/ -ILibraries/Mirf/ -ILibraries/OneWire/ -ILibraries/RCSwit ch/ -ILibraries/RF24/ -ILibraries/RingBufCPP/ -ILibraries/SDCard/ -ILibraries/SI7021/ -ILibraries/Servo/ -ILibraries/SparkFun_APDS9960/ -ILibraries/TFT_ILI9163C/ -ILibraries/TM1637 / -ILibraries/Ultrasonic/ -ILibraries/WS2812/ -ILibraries/si4432/ -ILibraries/ArduinoJson/src/ -ILibraries/IR/src/ -Ithird-party/spiffs/src -Ithird-party/http-parser/ -Ithird-party /ws_parser/ -Igdb -Isystem/include -Isystem/helpers/include -IWiring/include -Iappinit/include -ISmingCore//include -ISmingCore/Data//include -ISmingCore/Data/Stream//include -ISmi ngCore/Network//include -ISmingCore/Network/Http//include -ISmingCore/Network/Http/Websocket//include -ISmingCore/Platform//include -IServices/CommandProcessing//include -IServices /DateTime//include -IServices/FATFS//include -IServices/HexDump//include -IServices/Profiling//include -IServices/SpifFS//include -IServices/WebHelpers//include -IServices/Yeelight //include -IServices/libb64//include -IServices/libemqtt//include -ILibraries/AM2321//include -ILibraries/APA102//include -ILibraries/Adafruit_BME280_Library//include -ILibraries/A dafruit_GFX//include -ILibraries/Adafruit_ILI9341//include -ILibraries/Adafruit_NeoPixel//include -ILibraries/Adafruit_PCD8544//include -ILibraries/Adafruit_SSD1306//include -ILibr aries/Adafruit_ST7735//include -ILibraries/Adafruit_Sensor//include -ILibraries/ArduCAM//include -ILibraries/ArduinoJson//include -ILibraries/BH1750FVI//include -ILibraries/BMP180/ /include -ILibraries/Bounce//include -ILibraries/CapacitiveSensor//include -ILibraries/DFRobotDFPlayerMini//include -ILibraries/DHTesp//include -ILibraries/DS18S20//include -ILibra ries/DS3232RTC//include -ILibraries/HMC5883L//include -ILibraries/I2Cdev//include -ILibraries/IR//include -ILibraries/ITEADLIB_Arduino_Nextion//include -ILibraries/LiquidCrystal//i nclude -ILibraries/MCP23017//include -ILibraries/MCP23S17//include -ILibraries/MFRC522//include -ILibraries/MMA_7455//include -ILibraries/Mirf//include -ILibraries/OneWire//include -ILibraries/RCSwitch//include -ILibraries/RF24//include -ILibraries/RingBufCPP//include -ILibraries/SDCard//include -ILibraries/SI7021//include -ILibraries/Servo//include -ILibrar ies/SparkFun_APDS9960//include -ILibraries/TFT_ILI9163C//include -ILibraries/TM1637//include -ILibraries/Ultrasonic//include -ILibraries/WS2812//include -ILibraries/si4432//include -ILibraries/ArduinoJson/src//include -ILibraries/IR/src//include -Ithird-party/spiffs/src/include -Ithird-party/http-parser//include -Ithird-party/ws_parser//include -Igdb/include -Iinclude -Isystem/include -IWiring -ILibraries -ISmingCore -I/c/Espressif/ESP8266_SDK/../include -Ithird-party/rboot -Ithird-party/rboot/appcode -Ithird-party/spiffs/src -Ithird- party/http-parser/ -Ithird-party/ws_parser/ -Ithird-party/esp-open-lwip/include -I/c/Espressif/ESP8266_SDK/include -I/c/Espressif/ESP8266_SDK/include/json -DSDK_PWM_PERIOD_COMPAT_M ODE=1 -Wall -Wundef -Wpointer-arith -Wno-comment -Wl,-EL -nostdlib -mlongcalls -mtext-section-literals -finline-functions -fdata-sections -ffunction-sections -D__ets__ -DICACHE_FLA SH -DUSE_OPTIMIZE_PRINTF -DARDUINO=106 -DCOM_SPEED_SERIAL=115200 -DENABLE_CMD_EXECUTOR=1 -DESP8266=1 -DSMING_INCLUDED=1 -Werror -Wno-sign-compare -Wno-parentheses -Wno-unused-vari able -Wno-unused-but-set-variable -Wno-strict-aliasing -Wno-return-type -Wno-maybe-uninitialized -Os -g -DPROGMEM_L32="" -DCUST_FILE_BASE=m_printf -DDEBUG_VERBOSE_LEVEL=2 -DDEBUG_P RINT_FILENAME_AND_LINE=0 -fno-rtti -fno-exceptions -std=c++11 -felide-constructors -Wno-reorder -c system/m_printf.cpp -o out/build/system/m_printf.o make[1]: *** [out/build/system/m_printf.o] Error 1 make[1]: Leaving directory/c/tools/sming/Sming' make: *** [reload] Error 2

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